apeiros changed the topic of #ruby to: Ruby 2.2.1; 2.1.5; 2.0.0-p643: https://ruby-lang.org || Paste >3 lines of text on https://gist.github.com || this channel is logged at http://irclog.whitequark.org, other public logging is prohibited
<Radar> emacer: Then install ruby using ruby-install and setup the environment for that version of Ruby.
<emacer> Radar, the ruby install works, since openproject works
<Radar> I am concerned about /usr/share/rubygems-integration pointing to 1.9.1 when your ruby version is 2.1.x
<emacer> Radar, I just don't know how to manually get my shell environment set up so that I can run that backup script
<Radar> ok
<emacer> Radar, here's the backup guide: https://www.openproject.org/download/backup-guide/
<emacer> Radar, you'll notice, they're very helpful by assuming you already know how to do this ;)
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<jhass> emacer: do you happen to have a link to that init script?
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<emacer> jhass, no...
<emacer> uh...
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<jhass> cause I can't find it in the repo
<jhass> or a repo for the packages
<emacer> jhass, let me pastebin it
<jhass> gist please!
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<helpa> Hi emacer. We in #ruby would really appreciate it if you did not use pastebin during your time with us.
<helpa> Pastebin is not good because it loads slowly for most, has ads which are distracting and has terrible formatting. Please use Gist (http://gist.github.com) or Pastie (http://pastie.org) instead. Thanks!
<emacer> oh sorry
<maletor> I have an algorithm I cannot figure out: https://gist.github.com/maletor/9fdd31eb69d48adabc15
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<jhass> emacer: okay, you should have (a bunch of) /etc/init.d/openproject-ce-something, can you please show one of these too?
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<zenspider> rawr
<emacer> jhass, they're all the same
<emacer> well, almost
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<jhass> ;)
<jhass> details matter
<zenspider> maletor: ECODETOOLONGORCLEVAR
<maletor> zenspider: EHELP
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<maletor> zenspider: my spec is failing because my brain hurts too
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<zenspider> maletor: w/o a concise question, I doubt you'll find help
<maletor> GROUP BY is too memory inefficient so i am using order
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<jhass> emacer: welp, okay one more iteration: /etc/init.d/openproject-ce-web-something
<maletor> but, i can't fire off this last batch, as evidenced by the spec, because my algorithm that uses order is borked
<Radar> maletor: well to start with the ids in the puts output are different to the ids in the expectation
<emacer> jhass, ah hah, I didn't look at that
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<Radar> maletor: ids are Sent: 1 [7, 9]
<Radar> in your test, 2, 1, 3, and 5
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<maletor> Radar: i am expecting it to be called twice for each receiver
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<zenspider> "expected: 1 time with arguments" and I tune out. not a good test.
<maletor> one has ids of 7, 9 and other other of 1, 3, 5
<zenspider> but if you're hitting memory inefficiencies w/ a group by on this little data, something else entirely is going on
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<maletor> who said this is little data?
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<jhass> emacer: looks like we have to continue to play that game :/ you should have a script at /usr/bin/openproject-ce
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<maletor> also, i think it's a little presumptuous to assume all message expectation tests are worthless
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<maletor> Radar: fwiw, i would love to simplify the code or tests but i can't figure out how while using this "algo"
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<jhass> emacer: ah, looks like we're down to the meat finally :)
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<emacer> good :)
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<zenspider> mmmmmmeat
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<zenspider> maletor: looking at your test? I say it is little data.
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<maletor> zenspider: you're right
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<zenspider> a group by, even if it is ruby-side, is a hash of pairs. it isn't going to chew up anything
<zenspider> s/pairs/arrays/
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<jhass> emacer: mmh, I don't quite follow why they do the chroot, seems like a silly way to switch user. Did you switch to the openproject user and going to its home directory before running the backup script?
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<jhass> *did you try
<emacer> jhass, the openproject user's home directory is completely empty. Not even a .bashrc
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<emacer> emacer, and the directions said to run that inside the install directory, which is /opt/openproject-ce
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<jhass> emacer: ah, you did switch user though?
<emacer> jhass, no, I tried as root
<emacer> jhass, lemme try as openproject
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<emacer> The program 'bundle' is currently not installed. To run 'bundle' please ask your administrator to install the package 'bundler'
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<jhass> actually openproject-ce as root might support arbitrary commands, so try as root to prefix the command with openproject-ce run
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<emacer> sh: 1: exec: RAILS_ENV=production: not found
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<emacer> wait
<jhass> eh, well yeah, after the environment variable
<emacer> yeah, I realized that ;)
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<emacer> hmm, tried to work
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<jhass> which version of openproject is that actually?
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<emacer> jhass, 4.0.8
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<jhass> *sigh*, looks like it didn't transport RAILS_ENV
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<jhass> try running export RAILS_ENV=production and then again
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<emacer> jhass, same error
<a5i> jhass, everythins is running fine! thanks alots btw, next step to to set-up sub-domains
<a5i> is it similar to the steps I took witht eh default one ?
<jhass> a5i: subdomain, domain, same thing just a different name
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<jhass> emacer: your config/database.yml has a production section though? I can't imagine it doesn't but better verify then assume ;)
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<emacer> jhass, nope
<emacer> heh
<jhass> huh, what sections does it have then?
<emacer> doesn't look like it has any, actually
<jhass> huh?
<emacer> lemme paste it. I don't know yaml
<jhass> emacer: careful
<jhass> likely to contain a password
<emacer> no, it's generic
<jhass> gosh, what monstrosity is this
<emacer> I know, right?
<jhass> dafuq
<emacer> lol
<jhass> sorry
<jhass> okay, let's try something else
<emacer> ok
<jhass> openproject-ce run bash
<jhass> does that give you usable shell?
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<emacer> yes
<jhass> does the command work there?
<emacer> lemme try runnig it now
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<emacer> nope, same error
<emacer> I think
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<emacer> /opt/openproject-ce/lib/tasks/backup.rake:146:in `default_db_filename'
<jhass> you did include RAILS_ENV=production?
<emacer> is where the nil:NilClass error came in
<emacer> yes
<emacer> oh
<emacer> same with and without
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<jhass> that was my last bet, I have to bail out here
<jhass> try their official support channels
<emacer> awwwwwwwwww
<emacer> alright, thanks so much for all your help
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<emacer> this is their first version to offer an apt repo, so maybe they did something weird.
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<jhass> it's incredibly over engineered IMO
<emacer> jhass, yeah, I could tell that by the multiple levels of abstractions layers for the init.d script
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<jhass> yes, and it just goes on
<emacer> jhass, I wrote an init.d script for a previous version of it, and it was nowhere near bad enough to need that
<emacer> but now they've changed a bunch of things since then, and I'm lost
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<jhass> that's why I do a rather manual process for diasproa (rails app shipped to users too), you actually have an idea of the setup afterwards
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<emacer> yeah, but I REALLY want to use apt, so that I can apt-get update; apt-get upgrade openproject
<jhass> and you can keep a lot of stuff standard by not having to automate it too much
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<emacer> I wish they hadn't taken the lazy way out with their apt repo. They used some website that automatically turns their stuff into deb packages, and hosts them.
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<jhass> I basically automated the manual setup for the archlinux package for diaspora, just a couple of seds to the example configs and you just have to fill in your domain and db creds and are good to go
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<emacer> I know it's a royal pain to setup an apt repo, and create the packages; I've done just that. But, if you do it yourself, you have full control over everything.
<jhass> this is just a layer or two of smartassness too much
<jhass> too many points it can fail at
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<emacer> yep
<emacer> there's a whole utility you run after you apt-get install for configuring it, too.
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<emacer> nice idea, but the implementation is too abstracted.
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<emacer> they've obviously put a lot of work into it. Hopefully, it'll get better soon.
<emacer> anyway, thanks so much for your help.
<jhass> you're welcome, was an interesting journey at least :P
<emacer> :D
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<jhass> I'd probably would be able to figure it out with some well placed debug statements, but that requires hands-on for faster iteration, so their support is the better choice ;)
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<emacer> jhass, I just found that this is a bug with this install type, or the documentation. I'm reading through now: https://community.openproject.org/topics/4146?board_id=9&r=4179#message-4179
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<emacer> jhass, their so-called way to do it is what you thought (using openproject-ce run), but it doesn't work even after reverting my snapshot. just thought you'd like to know.
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<jhass> yeah, I gathered as much :)
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<jokester> #octave
<jokester> oops please ignore that
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<lamer> hello
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<Radar> apeiros: ^ ban
<sevenseacat> seems susicious
<sevenseacat> suspicious
<lamer> :P
<lamer> what?
<Radar> NSFL links
<Radar> not appropriate
<Radar> foad, plz?
<lamer> fu
<lamer> :)
<lamer> i dont give a shit for ban I have tons of proxies :)
<centrx> wow you are so cool
<lamer> I am a lamer
<jokester> none do we, you are wasting time
<centrx> # of shits given thus far: 0
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<jhass> lamer: how's your Ruby?
<lamer> fine
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<jhass> What did you code last?
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<jhass> lamer: ^
<lamer> I dont use ruby
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<lamer> Wrote some vertex shaders
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<lamer> In order to relax I send NSFL links to people
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<geraldbrent> Relax... lol.
<jhass> lamer: why don't you learn some ruby?
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<lamer> I cant learn everything
<jhass> it's much more fun than pretending to have any effect here, I promise!
<centrx> He's a busy man
<centrx> How many channels are you in
<jhass> lamer: much more rewarding too!
<lamer> This is fake nick , I am in many :)
<jhass> lamer: http://tryruby.org
<lamer> No time because of army enforced conscription soon :)
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<jhass> that's lame, you should bail out
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<lamer> you cant
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<jhass> oh sure you can
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<centrx> so lame
<lamer> how
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<jhass> piss your instructor in the face, shoot into your own foot and then throw him the weapon in the face, things like that
<jhass> some some weed
<jhass> *smoke
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<jhass> just do stupid things, like you're training here already
<centrx> Obama tells young people to care more about jobs - less about weed
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<eat_multi> hihi
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<eat_multi> oh, are we plotting to get lamer out of military service?
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<lamer> hehe this doesnt always work
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<jhass> lamer: anything's better than being trained to murder people
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<jhass> just try
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<lamer> Well here you dont get trained really. Minimal training.
<jhass> whatever the procedure, it's the purpose
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<lamer> yeah if you are from denmark then thats what you did
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<lamer> ?
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<jhass> I have the luck to live a country without conscription
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<jhass> but we had that and if I'd lived in that time and the way over the court would failed, that's about what I would've done
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<lamer> Here some people cross dress
<lamer> to avoid
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<jhass> doesn't that just prove how shitty it is?
<eat_multi> to be fair that doesn't sound like the worst way of getting out of something
<jhass> I'm not sure, it's giving up quite a bit of your identity
<lamer> well there is a fine otherwise :)
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<lamer> the worst is that you sleep less than 3 hours most days
<lamer> its a tactic in order to obey
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<eat_multi> this may be the least effective thing, but can you not object on political grounds?
<eat_multi> you're a pacifist through and through and no way in hell you could harm or be trained to harm another human being
<eat_multi> hence useless to the military
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<lamer> Yes you can. But they force you to work for free 8+ hours per day somewhere FAR away from your house
<lamer> for longer.
<eat_multi> ohhh so that's what they mean by 'alternative service'
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<lamer> So since you dont get paid ,you cant live:)
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<lamer> you cant rent a house etc
<eat_multi> and it's far enough that you there's no way you could walk/bus/whatever everyday between home and work, I see
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<jhass> surely there are people who go that route though, how do they manage?
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<lamer> most avoid it completely but it takes time. They pretend to be mad etc in order military psychiatrist
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<eat_multi> I know a guy who avoided conscription in France like that some 30 odd years ago
<lamer> but it doesnt always work and some people have to pay fines in between
<lamer> its possible but risky
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<jhass> lamer: do you know a nice doctor? maybe he can atest you a ton of food allergies or asthma or stuff
<lamer> I know another who served only 1 day because he knew some politicians
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<diegoviola> I would like to write a simple authentication system with sinatra or rack using sessions, any ideas where to look at?
<diegoviola> for a start
<jhass> diegoviola: wardens source?
<lamer> anyways time to sleep gn :)
<jhass> lamer: one more thing
<eat_multi> night lamer, good luck
<jhass> lamer: I pretended you never posted these links
<jhass> see what happens?
<jhass> next time, just skip that shit, kay?
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<lamer> yep but I'll have different nick...
<jhass> nobody cares
<eat_multi> aha
<diegoviola> thanks
<lamer> i know
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* jokester salutes jhass the good guy
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<jhass> oh, I was bored and the channel was silent ;)
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<eat_multi> I get the feeling I only appear when these channels are quite quiet
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<jhass> what's your timezone?
<eat_multi> GMT
<jhass> mh
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<jhass> CET is pretty active usually and GMT is close enough
<eat_multi> so right now I assume there's European night owls?
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<eat_multi> ah
<jhass> and a few americanos, I guess, yeah
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<sevenseacat> the asian timezones are starting to go to work
* sevenseacat is at work
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* jokester approaches his lunch bag in GMT+9
<sevenseacat> thats an odd time zone
* sevenseacat is in +8
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<jokester> Japan and Korea and some other are here
<sevenseacat> ah hah
<hobodave> hey guys
<eat_multi> slightly concerned I'm too easily amused, mildly mind-boggling talking with day/night time difference
<eat_multi> hihi
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<hobodave> I am parsing a massive (> 6.5 million rows) gzipped CSV file into a Hash using this code: https://gist.github.com/hobodave/b6388c180147ce417257 -- Yes, I'm aware what I'm doing. My question is, this takes nearly 25 minutes to load this on our production hardware. Is there anything obvious I could do to cut this down (besides not parsing the UUID... I want to do that now so that it doesn't need to be done later by code not shown).
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<hobodave> pretend there is a question mark at the end of that :)
<jhass> hobodave: don't parse it into a hash, process line by line
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<hobodave> jhass I need the hash
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<hobodave> the purpose of that method is to return a 'lookup' hash
<hobodave> intentionally trading a massive memory footprint for speed of execution of some code that will use the uuid_lookup hash
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<jhass> csv.read seems to extract the file, I think CSV should be okay with an io and stream?
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<hobodave> I thought it would do line-by-line
<jhass> pretty sure IO#read returns a string...
<jhass> so I don't see how it possible could do that
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<jhass> *possibly
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<hobodave> Opens the file, optionally seeks to the given offset, then returns length bytes (defaulting to the rest of the file).
<hobodave> yep
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<hobodave> well, that part only takes about 60 seconds apparently then (time elapsed from output on line 8 to output on line 11)
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<eat_multi> idk your full situation, but maybe persisting it differently (some in memory store) would help?
<jhass> hobodave: still, CSV.new seems to take the IO just fine
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<hobodave> we considered memcached eat_multi but we can't have the latency
<jhass> ^ redis/memcache would've been my next suggestion
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<jhass> and some C/Crystal/Julia/whatever to slurp it into there
<hobodave> I think I'm just stuck with what I have, I could probably save some memory though by not loading the entire damn file into a string
<hobodave> it's just a one time script that's getting run in a production console
<hobodave> I was just seeing if there was low hanging fruit
<jhass> hobodave: ruby-prof / rbkit if you want to know where time is spent exactly
<eat_multi> haha, is it swapping a lot on production machines?
<hobodave> no the utility box we're running it on has 128 GB, 90% free, and the process only consumes ~4 GB
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<eat_multi> ah second ^jhass then
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<jhass> the uuid parser is probably allocating a ton of useless strings or something
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<hobodave> yea, it's a 15 line method with a ton of local variables
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<hobodave> I wish it just had a class method that would convert a string directly to a binary UUID
<jhass> String#unpack?
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<wowowowow123> 123
<jhass> yes, 123 is a lovely number
<wowowowow123> sorry sorry, testing some stuff
<jhass> no worries ;)
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<DrIranian> How to easily run Ruby?
<DrIranian> For test
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<Radar> ruby
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<DrIranian> a VS like, everything in one thing
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<Radar> !elaborate
<helpa> Instead of simply saying 'something is broken' please elaborate on this by showing us the code and the error that you are getting by making a Gist (http://gist.github.com) about it.
<Radar> Not that one.
<Radar> DrIranian: !explain
<helpa> DrIranian: Please explain your problem better as we are having trouble understanding what you mean. A Gist (http://gist.github.com) is always helpful!
<Radar> DrIranian: I don't understand exactly what you want.
<Wolland> !explaborate
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<DrIranian> thx, I want to code in Ruby, but don't have access to the internet, I want an install that sets up a basic environment (to download, like VS)
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<Wolland> there are probably VM images of a dev setups out there
<Wolland> ubuntu based or whatever
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<Radar> DrIranian: You don't have access to the internet but you're talking over IRC...?
<DrIranian> Radar: Limited and expensive :)
<DrIranian> Radar: all my wings are cut :)
<Radar> DrIranian: If you're on Ubuntu you can follow this guide: http://ryanbigg.com/2014/10/ubuntu-ruby-ruby-install-chruby-and-you/
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<DrIranian> Radar: thx dude
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<flughafen> certainty: arup_r sevenseacat tach!
<arup_r> flughafen: o/
<flughafen> \o
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<dawkirst> Hey guys, is it a good idea to extract methods for the sake of easier reasoning, even if only one other method calls the extracted method?
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<apeiros_> Radar: thanks for the ping. sadly sleep time :-|
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<arup_r> dawkirst: didn't get you
<arup_r> :(
<arup_r> Ok... got it
<dawkirst> arup_r: no worries, I'll try to explain better...
<dawkirst> arup_r: ok :)
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<arup_r> Are you refactoring
<arup_r> ?
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<dawkirst> arup_r: not really, just trying to figure out for myself if it is any use defining a (private) method that will only ever be called by one other method.
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<arup_r> then private method labelling makes sense
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<sevenseacat> if it makes the code clearer, then sure.
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<flughafen> make all the things private
<flughafen> in c++ friends can see your privates
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<shevy> in c++ nobody wants to see privates
<flughafen> i like c++ ;)
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<certainty> yow
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<flughafen> ha
<flughafen> and google is dumping c++ for go
* flughafen should write a language
<flughafen> called flughafen++
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<certainty> flughafen: designing and implementing a good language is a tough task :)
<flughafen> python sets a low bar ;)
<flughafen> i know. i don't have the expertise to do it properly
<flughafen> but it would be fun
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<certainty> flughafen: it sure is fun. my last language experiment was a brainfuck compiler and virtual machine, including a simple single step debugger
<flughafen> certainty: github?
<certainty> and that's brainfuck. i mostly wanted to learn haskell and a bit about compilers. it was not a language design thing
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<flughafen> certainty: i'm surprised that works with all the { on the same line as the code ;)
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<certainty> hehe
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<flughafen> https://bitbucket.org/certainty/chicken-stuff? du bist naturlich hamburger
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<certainty> flughafen: how do you mean?
<dawkirst> thanks arup_r, sevenseacat
<flughafen> ah, it's just a joke, i don't know anything about hamburgers other than they have a cool train museum
<flughafen> dawkirst: no thanks to me?
<flughafen> i inspired them
<dawkirst> and flughafen :)
<flughafen> you're welcome dawkirst
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<shevy> hamburgers are produced in hamburg
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<shevy> and certainty lisps
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<flughafen> certainly certainty has a lisp?
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<shevy> certainty's hamburger lisps
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<shevy> most certainly
<shevy> now I am hungry :(
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<certainty> shevy: :)
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<maasha> Do we have some best practices guide to write docs for methods etc?
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<shevy> maasha depends. you could use that signature thingy which I think is in yard
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<shevy> which possibly may look similar to http://rack.rubyforge.org/doc/Rack/Mime.html
<shevy> though I seem to remember more formatting than that
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<maasha> shevy also, I never found an explanation of the markup used. seem to be muddled with different ways.
<shevy> yeah :)
<shevy> that's why I tried to find some example
<shevy> I remember, I think, return values were denoted in []
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<shevy> and lots of more stuff
<shevy> since I was lazy I decided to not use any of that
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<maasha> what does Ruby itself use? (or Rails)
<shevy> rdoc even hates lines that are like this: # ===================================== #
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<SebastianThorn> shevy: when i saw the line i thought is was time for hangman
<shevy> lol
<flughafen> shevy: H?
<shevy> I hate that rdoc thinks these are special. I think rdoc acts "if there are at least 3 '=', treat the line in a special way
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<shevy> and I don't know how to disable it
<shevy> maasha you can look at the ruby source
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<shevy> I show you an example from lib/time.rb
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<maasha> shevy: sure, but I was wondering if there was a best practices guide or such.
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<maasha> There really ought to be lots of blog posts and so on, but ... ?
<shevy> dunno
<shevy> sounds like a boring blog!
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<maasha> shevy: plenty of boring blogs ...
<shevy> how does python do it?
<maasha> I don't speak python :o(
<tobiasvl> how does python do what?
<tobiasvl> I speak python
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<shevy> shszshs shshsß
<shevy> how does python do docu
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<maasha> tobiasvl: we were discussing why Ruby don't seem to have a single documentation style guide - and wondered if Python had one.
<avril14th> morning
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<_zerick_> Hi folks, I dont know any other place to ask this, I'm running Thin with Redmine, which has been working fine. After a reboot it has broken completely, I found that thin is not creating the socket properly (even when it says that its creating it)
<tobiasvl> ah. yes, pydoc is that standard, "everyone" uses its documentation standard
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<_zerick_> pid file, log file are created, but socket file not. Any ideas?
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<maasha> Anyone studied this: http://tomdoc.org/
<maasha> ?
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<shevy> the best docu are working examples!
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<certainty> shevy: nah, good technical documentation can be helpful
<certainty> i'm not talking about api docs
<ns5> When I use 'rvm install 1.9.3' to install ruby on Oracle Linux 7, I always get this: http://pastebin.com/AC0HkeFM Actually the system is registered to Oracle Linux repositories. Any idea?
<helpa> Hi ns5. We in #ruby would really appreciate it if you did not use pastebin during your time with us.
<helpa> Pastebin is not good because it loads slowly for most, has ads which are distracting and has terrible formatting. Please use Gist (http://gist.github.com) or Pastie (http://pastie.org) instead. Thanks!
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<ns5> repasted on pastie: http://pastie.org/10034745
<maasha> So who is behind that tomdoc.org guide?
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<Hirzu_> "The git gem requires git 1.6.0.0 or later, but only found 2.2.1. You should probably upgrade." Interesting :)
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<shevy> Hirzu_ sounds like a wrong check
<Hirzu_> indeed :)
<Hirzu_> but seems to work. So that I consider to be my entertainment, when starting the app
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<maasha> Is this the official Ruby coding style guide?
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<apeiros_> maasha: there's no official coding style guide
<tobiasvl> there is no official one
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<maasha> avril14th: which is the unofficial style guide? the other one refer to this too
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<maasha> apeiros_: tobiasvl: right
<oddmunds> maasha: i recommend you follow these style guides, despite them not being official
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<oddmunds> they are the defacto standard
* flughafen wishes they would list bogomips scores on the top500
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<maasha> oddmunds: yeah, I think I shall give these two a careful read: https://github.com/bbatsov/ruby-style-guide and http://tomdoc.org/
<kaspernj> maasha, community style guide can be found here https://github.com/bbatsov/ruby-style-guide
<kaspernj> maasha, you can use RubyCop to help you honor it https://github.com/bbatsov/rubocop
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<maasha> kaspernj: hah, rubocop is like a lint-remover for ruby?
<shevy> I think it only tells you what is bad
<shevy> like no trailing newline or so
<kaspernj> maasha, that is a funny word for it, but I guess it isn't totally wrong to compare the two like that :-)
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<kaspernj> shevy, indeed it does. But it goes much deeper than that. It is pretty extensive.
<maasha> kaspernj: great, I'll give it a spin
<kaspernj> maasha, it is very configurable as well. You can disable certain checks, if you prefer doing it different.
<kaspernj> maasha, the community disagrees on a lot of stuff. Like if it actually matters to use ' or "
<maasha> kaspernj: yeah, well it does matter ... but being that anal hampers productivity - so its a tradeoff
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<kaspernj> maasha, I don't want to argue if it does or not, but a lot of people did publicly available benchmarks which argues to either side.
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<maasha> eeeeeek, I have been shot and arrested: 11647 offenses detected
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<shevy> maasha lol
<shevy> in how many lines of code?
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<maasha> shevy: 923
<maasha> shevy: bah, I don't know :o)
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<shevy> wat
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<shevy> 10 errors in a single line?
<maasha> shevy: pulling your leg here. most warnings seems to arise from code lines being longer than 80 chars.
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<shevy> k
<shevy> so 5000 offenses left
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<shevy> 185 files inspected, 7078 offenses detected
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<shevy> readline/readline.rb:121:3: C: Use alias_method instead of alias.
<shevy> lol
<shevy> readline/readline.rb:77:13: C: Hash#has_key? is deprecated in favor of Hash#key?.
<shevy> that is not even true
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<shevy> as otherwise a warning would show from ruby itself
<shevy> just as it was with .id vs. object_id some years ago
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<jhass> rubocop config sharing time? rubocop config sharing time! \o/
<jhass> shevy: the has_key?/key? is based on some comment by matz that he would remove has_key? if it wouldn't literally break every ruby code in existence
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<undeadaedra> But
<undeadaedra> I use has_key? :(
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<undeadaedra> I haven’t tweaked rubocop yet, I just started using it
<undeadaedra> I just set indent to be 4 spaces
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<scottymeuk> Hey, is anyone around that could give me a hand with delayed_job (via RVM) in production? Some odd things are happening
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<jhass> undeadaedra: that's said :(
<jhass> er
<undeadaedra> ?
<jhass> sad
<undeadaedra> what’s sad ?
<jhass> 4 spaces
<undeadaedra> 2 spaces is too narrow imo
<jhass> scottymeuk: no clue about delayed_job but ask anyway, don't try to find the right person
<jhass> you'll get used to it
<apeiros_> undeadaedra: just a matter of getting used to
<jhass> in fact I started using it everywhere where I can get away with it
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<jhass> like shellscript
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<undeadaedra> I tried in 2 spaces for a while
<apeiros_> I don't touch shell scripting with a 10ft pole. bash is close to being the ugliest language in existence for anything beyond single lines :-S
<scottymeuk> jhass: thanks :P basically, I am running ruby 2.1.5, and rails etc is all running that, but for some reason, delayed_job seems ot be using 2.1.0 :S i cannot work out why
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<jhass> scottymeuk: how do you run it?
<scottymeuk> jhass: so i run "bundle exec rake jobs:work", it all works fine, but I just received some crash reports in Sentry, and they say it's running from "shared/bundle/ruby/2.1.0"
<jhass> oooh
<scottymeuk> Normally it runs in daemon mode using ./bin/delayed_job start
<jhass> that 2.1.0 is not the ruby version
<scottymeuk> but just debugging. But it does the same
<jhass> it's the ABI version
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<jhass> 2.1.0-2.1.5 all have the ABI version 2.1.0
<scottymeuk> jhass: ahhh that makes sense. Confusing as hell to look at. So many that is not the issue then. Just randomly started getting exceptions from premailer in prod since moving away from using Foreman to run stuff
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<scottymeuk> jhass: atleast i can rule that one out, thanks for that.
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<jhass> and there we go
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<jhass> question had nothing to do with delayed_job
<jhass> that's why trying to find "the right expert" is wrong ;)
<scottymeuk> ;)
<scottymeuk> jhass: May aswell ask this then before i go digging into it: "premailer/rails/css_helper.rb in block in css_for_doc at line 19" is the exception. Emails send fine in development mode
<kaspernj> shevy, looks like "has_key?" has been deprecated according to Matz http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-core/43765
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<kaspernj> Maybe they didn't go ahead and actually do it though...
<undeadaedra> nooooo
<jhass> scottymeuk: that's some part of the backtrace, not the exception
<scottymeuk> jhass: NoMethodError: undefined method `force_encoding'
<scottymeuk> sorry, was just getting it
<jhass> scottymeuk: for...?
<scottymeuk> It's early. My copy and paste sucks :P
<scottymeuk> NoMethodError: undefined method `force_encoding' for #<Array:0x00000005671510>
<jhass> the for part is 50% of the value of that exception ;)
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<jhass> so you get an Array where you expect a String
<jhass> in line 19
<scottymeuk> Ahh ok, makes sense. Shall try and find out where it's happening
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<scottymeuk> jhass: just managed to trigger premailer/rails/css_loaders/network_loader.rb in uri_for_url at line 17 NoMethodError: undefined method `split' for nil:NilClass
<scottymeuk> Think i know why this is happening now
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<jhass> !add abi Each Ruby release has actually two versions, the interpreter version and the ABI version. The interpreter version is what commonly is referred to, for example 2.1.5. The ABI version is for the binary interface used by compiled extensions and it is what you see in your paths. It's usually shared among one release series, for example for the Ruby versions 2.1.0 to 2.1.5 the ABI version is 2.1.0.
<helpa> The !abi command is now available.
<jhass> !abi
<helpa> Each Ruby release has actually two versions, the interpreter version and the ABI version. The interpreter version is what commonly is referred to, for example 2.1.5. The ABI version is for the binary interface used by compiled extensions and it is what you see in your paths. It's usually shared among one release series, for example for the Ruby versions 2.1.0 to 2.1.5 the ABI version is 2.1.0.
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<jhass> phew, not too long :P
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<shevy> kaspernj yeah that often becomes outdated; matz also wrote that autoload is deprecated, but it no longer is
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<maasha> I am reading this styleguide and it says that and/or are not to be used always use &&/|| - why?
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<shevy> no idea
<shevy> they are not even equivalent because they have different precedence rules
<a5i> && shortcircuts
<a5i> i dont thin and does
<shevy> what I found is that things can become a bit confusing if you don't use ()
<a5i> thnk*
<jhass> maasha: a = b and c vs a = b && c, what do they do?
<a5i> coming from Rust, not confusing for me
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<shevy> if foo.include? 'bla' and ! bla > 5 or x.has_key? 'lala'
<jhass> a5i: and does short circuit
<a5i> o
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<jsrn> Some examples of and vs. && -> http://stackoverflow.com/a/1429359
<maasha> shevy: you can always write ugly code
<shevy> hey
<shevy> is this prettier:
<shevy> if foo.include? 'bla' && ! bla > 5 || x.has_key? 'lala'
<a5i> loks like Rust
<a5i> I like !
<shevy> it loks nice
<undeadaedra> x.key?, we said.
<shevy> why do we have is_a? then and not a?
<shevy> or actually
<shevy> .is?
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<maasha> I have always favored and/or as more readable, but keeping in mind that &&/|| have higher precedence - and using that to avoid parens: if this and that || foo and bar
<shevy> yeah sometimes you have to use parens
<undeadaedra> We should have is_a? and is_an?, and if you use the gramatically incorrect one, it doesn’t works.
<maasha> I also favor not over ! as more readable.
<shevy> yeah undeadaedra
<shevy> "is an array?"
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<shevy> hmm not sure if this is phonetically correct
<undeadaedra> or is_a_fucking?
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<DefV> don't use .is_a?
<DefV> that's not very duck-typy
<shevy> do you need duck typing?
<undeadaedra> \_o<
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<DefV> Object#quaks?
<undeadaedra> If it’s a duck, we can eat it
<shevy> if it is a duck I'll throw it away
<shevy> I prefer a dragon
<shevy> Imagine if we'd call it DRAGON TYPING
<undeadaedra> A dragon is nice, too.
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<jhass> I think that's what weak typing is called
<jhass> "Fuck it, you're a string now, because I'm a dragon!"
<undeadaedra> :D
<undeadaedra> Let’s not talk dirty things, though.
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<workmad3> undeadaedra: general rules of IRC - curse words are fine, as long as they're not directed in an insulting way at another person
<undeadaedra> ?
<shevy> undeadaedra workmad3 is saying that he loves you
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<undeadaedra> oh ok.
<avril14th> is there a one liner to write a array.uniq_by{ |a,b| } method (with two arguments to compare)
<workmad3> undeadaedra: well, I assumed your comment of 'lets not talk dirty things' was directed at jhass saying "Fuck it" :P
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<undeadaedra> no, at him talking about weak typing :p
<workmad3> ah, ok :)
<workmad3> PHP typing is indeed a dirty, unwholesome topic
<hanmac1> avril14th: what do you try to do? give us input and wanted output
<workmad3> avril14th: Array#uniq can take a block. The result of that block will be used for uniqueness
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<avril14th> I have a tree structure (using RubyTree gem). I have a method "equal" that recursively test if two trees are the same (meaning root and all children are the same). Now, I have an array of such trees and I want to uniq them.
<hanmac1> avril14th: the Trees should have an hash value using the #hash method
<avril14th> hmm, sounds great let me see
<jhass> avril14th: rename your method to eql? and implement hash on the object
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<jhass> avril14th: in other words implement the requirements for hash keys http://ruby-doc.org/core-2.2.1/Hash.html#class-Hash-label-Hash+Keys
<avril14th> sounds definitely like the way to go
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<avril14th> hmm
<avril14th> the gem thought about it
<avril14th> but it fails
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<avril14th> anyway, thanks hanmac1 and jhass
<undeadaedra> bug report time
<jhass> avril14th: what objects do you store in the tree
<jhass> ?
<avril14th> prices
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<jhass> so your own class?
<avril14th> yes
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<jhass> does that implement those methods properly?
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<avril14th> oh you are right
<avril14th> undeadaedra: bug report time to myself :)
<undeadaedra> it seems
<undeadaedra> But will you accept your PR ?
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<undeadaedra> More in the next episode
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<avril14th> hmm, but that hash thing is already used by mongoid
<avril14th> and I want to keep it that way
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<jhass> but you want different equality rules?
<avril14th> cause there is one for instances
<avril14th> and one for logic
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<avril14th> "some" logic, used at some point
<jhass> sounds like you want a wrapper
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<avril14th> a wrapper for what?
<jhass> so that wasn't a yes? I can't follow anymore
<avril14th> yes, I want different equality rules
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<jhass> then you need different classes
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<jhass> to have it cleanly and everywhere
<jhass> and thus a wrapper
<avril14th> hmm
<jhass> check delegate stdlib
<avril14th> makes sense
<jhass> call it a container or a box if you like that more, but that's what it comes down to
<gregf_> hello, has anyone use the rest-client gem?
<avril14th> gregf_: yes
<gregf_> i've got some code that does work. but it spits out a warning like so, :WARNING: The rest_client gem is deprecated and will be removed from RubyGems. Please use rest-client gem instead.
<avril14th> jhass: thanks for your input. I'll do that
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<jhass> this anyone knows a lot of stuff, I gotta meet him some day
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<avril14th> gregf_: looks like the gem just changed name, so if you use the "-" version you should be fine
<avril14th> jhass: anyone?
<avril14th> ah
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* avril14th reads up
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<jhass> yes, close friend of mr nobody I heard
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<gregf_> avril14th: well, tried both. https://gist.github.com/anonymous/e8041aecaae7144815a6
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<jhass> gregf_: different require != different gem
<jhass> gem uninstall rest_client
<gregf_> avril14th: ah - ok
<jhass> gem install rest-client
<undeadaedra> What happenend on 14/4 ?
<gregf_> so, does '-' and '_' not mean much when requiring a gem/
<gregf_> s/\/$/\?/
<jhass> it does mean much
<jhass> the gem likely just provides both files
<avril14th> yes
<avril14th> but you are still using the same gem
<gregf_> jhass, avril14th: thanks. uninstalling and installing ;)
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<workmad3> gregf_: it means that the gem has a file called 'rest-client.rb' in its lib folder or a gem has a file called 'rest_client.rb' in its lib folder
<workmad3> if both works, it means the gem has both in its lib folder :)
<apeiros_> jhass: no, anyone is not a close friend of mine
<gregf_> workmad3: ok
<workmad3> *work
<jhass> nobody: rumors then, k
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<gregf_> my, installing and unstalling so much easier in ruby/python
<avril14th> 0o
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<workmad3> gregf_: as opposed to? :)
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<gregf_> workmad3: Perl for example :/
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<gregf_> PHP has composer and Java has maven/gradle for deps but they take ages.
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<workmad3> if you want somewhat more stable dependency management in ruby, there's also bundler to layer on top
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<workmad3> and maven... *shudder*
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<gregf_> i've got bundler as well, and its very easy to install deps ;)
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<workmad3> gregf_: yeah, bundler makes it easy and stable :) "Oh when we first installed everything for this project, we installed version 1.2.3 of this transitive dependency. We'll just make a note of it so that you don't randomly get version 1000 of it when you install on another machine and break everything"
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<workmad3> gregf_: I assume from the fact you know about maven that you've encountered that sort of lovely issue in java projects ;)
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<scottymeuk> jhass: stupid premailer, i eventually just had to do: "Rails.application.assets.find_asset('email').to_s.html_safe" lol
<scottymeuk> jhass: thank you for all your help
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<arup_r> Need little idea... Why am I getting `nil` ? https://gist.github.com/aruprakshit/81bdf667ff2e1f8a80b1
<canton7> which line are you seeing the exception on?
<canton7> ...or are 'files' nil?
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<canton7> my guess is that #chdir doesn't return anything, because it's there to change the directory, not to list anything
<canton7> my guess is that #chdir doesn't return anything, because it's there to change the directory, not to list anything
<arup_r> ok moment
<hanmac1> ri chdir says: Dir.chdir( [ string] ) -> 0
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<arup_r> humm... canton7 and hanmac1 I have some other questions... But before reaching there.. I got stuck.. :)
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<arup_r> error ^^
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<arup_r> what I want is to go through each directry and collect all files inside those dirs.. Like Dir::glob method..
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<shevy> arup_r yeah I think that is the only way in ftp
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<arup_r> like Dir::chdir... and then come back..
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<shevy> arup_r you could try .nlst too
<canton7> arup_r, sticking 'ftp.passive = true' in there helps
<canton7> at least for me
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<arup_r> can you guys give me your code.. which you are trying I never did ftp
<mikecmpbll> all your codes are belong to us
<shevy> dunno, I wrote a wrapper over ftp so I don't remember
<canton7> arup_r, add 'ftp.passive = true' between lines 3 and 4
<canton7> arup_r, easy....
<arup_r> ok
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<gregf_> workmad3: indeed, lol
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<hs366> any OP available ?
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<jhass> apeiros_: ^
<apeiros_> hm? what's up, hs366?
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<hs366> just wondering if it's possible to have ruby in botbot.me irc log
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<hs366> usually it's easy to search and have a look what was going on last days
<hs366> apeiros_, do you think it's possible ? of if there is alternative way ?
<arup_r> canton7: thanks.. I want only file names.. it is now giving everything.. I need only `.zip` files..
<arup_r> shevy: ^^
<apeiros_> hs366: see topic
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<canton7> arup_r, then parse and filter it
<canton7> arup_r, you're a programmer, right? this is a simple string parsing task
<canton7> I'm sure you can solve it ;)
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<arup_r> humm
<hs366> duhh..im so embarrassed, need a glasses i think :D
<hs366> thx a lot !
<arup_r> nlst take argument regexp like ? That's my question .. _short-cut_ `list` does.. I am sire
<arup_r> let me try
<mikecmpbll> i say too much libelous stuff to be logged.
<arup_r> I won
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<canton7> congrats. have a ribbon
<arup_r> yayy!
<shevy> arup_r \o/
<arup_r> shevy: \o/
<undeadaedra> /o\
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<arup_r> undeadaedra: why :(
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<shevy> he is different
<shevy> he is french
<arup_r> Ohh
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<undeadaedra> shevy: stop that
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<arup_r> Now.. I want to download... :) which method should I hit ?
<undeadaedra> or I’ll hit you with my baguette
<mikecmpbll> it's not even a person with arms, it's a string of onions.
<jhass> arup_r: from looking at the docs, which would you consider?
<arup_r> My mouse borken jhass :(
<jhass> I can't operate a computer without a mouse just fine
<arup_r> anyway.. Looking the docs.. took the other guys mouse.. as he is not working now..
<shevy> undeadaedra I like baguettes
<shevy> the guy is not working now?
<shevy> why are you working!
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<undeadaedra> He’s eating a baguette
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<arup_r> canton7: right now... I am getting only file names .. not the full path to the file.. so How would I download.. ?
<shevy> arup_r but you can find out in which directory you are
<shevy> and you have an array
<shevy> so .map over your array where you build the full remote path
<arup_r> array is showing the names of the files
<canton7> arup_r, you know what directly you are in
<canton7> arup_r, you JUST chdir'd there
<shevy> you have like a million karma on stackoverflow
<gregf_> heh
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<arup_r> humm.. but got the file names recursively only the names.. how would I track ?
<jhass> shevy: I start to think that's a bad sign actually
<undeadaedra> I have 0 points on SO :D
<canton7> arup_r, you know how to add strings together, right? ...right?
<arup_r> canton7: yes
<canton7> arup_r, that's all you need to do
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<shevy> arup_r you have the filename! you have the path via .pwd now you can assemble
<workmad3> undeadaedra: hmm... pretty sure you start at 1 point :P
<shevy> a string is a string is a string
<undeadaedra> workmad3: well, 1.
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<mikecmpbll> i downvoted him
<undeadaedra> D:
<workmad3> mikecmpbll: pretty sure SO doesn't go below 1 (unless they changed things) :P
<shevy> mikecmpbll lol
<mikecmpbll> workmad3: i'll downvote you if you're not careful
<mikecmpbll> :D
<workmad3> mikecmpbll: https://stackoverflow.com/users/16035/workmad3 pretty sure I can take it ;)
<shevy> I downvote workmad3's beard
<shevy> I think if enough downvote, the thing must go off
<mikecmpbll> touche
* workmad3 hides
apeiros_ changed the topic of #ruby to: Ruby 2.2.1; 2.1.5; 2.0.0-p643: https://ruby-lang.org || Paste >3 lines of text on https://gist.github.com || log @ http://irclog.whitequark.org, other public logging is prohibited
<workmad3> the op is on the prowl
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<shevy> what did he do
<shevy> or rather, change
<apeiros_> shortened the topic
<undeadaedra> I’ll downvote everything you like.
<canton7> "other public logging is prohibited"
<arup_r> confused!
<workmad3> undeadaedra: I think you need some SO rep before you can downvote :P
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<arup_r> shevy: don't publish my account every where :D
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<undeadaedra> workmad3: I should have misunderstood, but to me, it seems that you need SO rep before doing /anything/. So you need rep to get rep :D
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<undeadaedra> OH NO THE COPS
<shevy> undeadaedra you can still reply
<workmad3> undeadaedra: you don't need rep to ask or answer questions
<undeadaedra> ok
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<shevy> it's like with fight culb
<shevy> *club
<shevy> you must fight when you join
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<arup_r> well my code is not giving what I thought... It is giving only the files under which I CD into.. I wanted to traverse each directory recursively... that my code is not doing..
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<canton7> arup_r, you're going to have to manually traverse
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<arup_r> humm
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<arup_r> That I don't like
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<canton7> tough
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<arup_r> np.. I'll do manually.. can I list only dir names under the current dir ? Thinking If I can do so.. it will be solved..
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<gregf_> arup_r: sftp.dir.foreach("/path/to/directory") and you can recursively loop through ?
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<arup_r> sftp is in stdlib.. let me see,,
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<gregf_> arup_r: you using net/ftp or net/sftp?
<arup_r> net/ftp
<gregf_> arup_r: use sftp its secure
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<arup_r> ok.. thanks let me look into it
<undeadaedra> maybe he can’t, gregf_
<arup_r> sftp is a Gem
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<gregf_> undeadaedra: 'can\'t' is like saying. 'here\'s a gun, now decide where you shoot yourself to die quick'
<undeadaedra> No but I mean
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<undeadaedra> Maybe the services he has to search are FTP only
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<jhass> arup_r: gregf_: note sftp != ftps and sftp != ftp + tls, ftps is ftp + tls, sftp is an entirely different protocol
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<workmad3> also note that there's an sftp server that has nothing to do with the sftp protocol
<arup_r> well I can make a list of dirs now https://gist.github.com/aruprakshit/81bdf667ff2e1f8a80b1
<workmad3> because secure forms of ftp are completely screwed up
<arup_r> I need to CD into it and return back again from where I cd into it
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<arup_r> If I can do ` cd ..` then I am done..
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<gregf_> arup_r: prolly 'cd -' ..... just a wild guess
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<arup_r> with which method ?
<arup_r> ok
<gregf_> hmm, never heard of ftps. so many protocols to do the same thing :/ . transfer a file securely :/
<arup_r> trying..
<workmad3> gregf_: ftps is ftp + tls, sftp is ftp over SSH
<gregf_> workmad3: ah - ok
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<jhass> except that it's not ftp over SSH, it's ftp's job over SSH
<undeadaedra> sftp > ftps > ftp
<workmad3> gregf_: you could also probably have a normal ftp protocol that you secure through stunnel or a gnutls wrapper
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<shevy> arup_r you can always keep track manually
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<workmad3> jhass: yeah, I was being a bit imprecise to get the idea across :)
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<gregf_> workmad3, jhass: thanks!
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<maasha> any opinions on tomdoc?
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<flughafen> gregf_: my favorite gregf_ in #ruby
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<mikecmpbll> why are you all talking about the simple fax transport protocol?
<arup_r> Well.. I thought I am there... But I am now.. why is this error https://gist.github.com/aruprakshit/81bdf667ff2e1f8a80b1 ?
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<gregf_> flughafen: are you saying someone stole my nick :/
<flughafen> no
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<gregf_> haha. s/stole/nicked/ ;)
<workmad3> arup_r: it's probably because you're creating an absolute directory with "/#{dir_name}" rather than a relative directory path
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<workmad3> arup_r: so you're in essence trying to do 'cd /whatever' when what you want to do is 'cd /pub/ruby/whatever'
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<flughafen> ha. i would be worried if your nick was nicked
<arup_r> I tried without `/` .. same error
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<mikecmpbll> arup_r: looks something to do with that @passive setting from the source, but i've almost completely no clue what the source means :>
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<nymous> hey folks
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<nymous> i need a little help on activerecord from rails
<arup_r> mikecmpbll: I tried this also https://gist.github.com/aruprakshit/4fa115c018456bbcdccb but no luck :(
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<mikecmpbll> arup_r: /shrugs
<nymous> i'm trying to hack gitlab a bit, this code https://gist.github.com/divanikus/c1d4ba5fbce58150bb41
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<workmad3> arup_r: absolute directory
<workmad3> arup_r: also, remove that 'passive = true' thing
<nymous> the problem is with builds
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<mikecmpbll> from fumbling through the source, it seems to not be expecting a response starting with a 2-- code when the passive setting is set
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<mikecmpbll> as you can see from the exception it's in parse227 method
<nymous> i made an edit allowing several commits with same sha
<mikecmpbll> ohwait nvm
* mikecmpbll lunchtime
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<nymous> and now i'm willing to get whole builds from as many commits with same sha i have
<nymous> it's obviously means editing "show" method
<GambitK> I have an array of json objects, is there a way to aggregate them based on one of the json fields?
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<nymous> but how to properly implement that?
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<arup_r> workmad3: then getting error if I comment out https://gist.github.com/aruprakshit/81bdf667ff2e1f8a80b1#file-error-L2
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* workmad3 shrugs
<workmad3> that works perfectly here
<jhass> GambitK: input, what you tried so far and desired output -> gist
<arup_r> workmad3: is it? Why not mine then ? :(
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<workmad3> arup_r: no idea... something in your local network screwing up the FTP connection maybe?
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<GambitK> jhass: I get this result from a web application https://gist.github.com/GambitK/1883a6e102b61e9281d7, I want to aggregate over a field, I wanted to know if there's a library or method that would help me without having to do it manually
<arup_r> workmad3: humm... this SO also telling me the same -- http://stackoverflow.com/questions/15103830/why-cant-netftp-connect-to-server
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<jhass> GambitK: if "aggregate over a field" would be totally unambiguous, I wouldn't have asked for desired output ;)
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<jsrn> GambitK: Do you mean get the sum of values in the fields of all json objects?
<jsrn> So if each json object has an integer foobar, you want the sum of all foobars?
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<GambitK> jhass: a lot of there sults are similar and only vary on date so I just want he objects where a particular field is different from the others, kinda like this: https://gist.github.com/GambitK/1883a6e102b61e9281d7#file-example
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<ns5> When I run a ruby program, I always get Gem::LoadError. Command output and 'gem env' output are in http://pastie.org/10035105. I'm new to ruby. Could anyone help to have a look?
<GambitK> jhass: like a group by
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<jhass> then group_by + uniq the values
<jsrn> ns5: It's trying and failing to load the gem "device_mapper_test_suite"
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<jsrn> Do you have a `require` any where in your code that matches that?
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<jsrn> Are you perhaps intending to load a file by that name instead?
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<GambitK> jhass: is that an array method?
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<jhass> GambitK: Enumerable
<jhass> Enumerable#group_by, Array#uniq
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<jhass> GambitK: well, maybe not unique, maybe you just want to pick a random entry, still not quite sure I fully understand tbh
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<GambitK> jhass: the array is ordered by date, so maybe the first occurrence of the field that's more important. If the field has the same value over the first N elements, so only the first occurence of a different value of a given field of the json objects that are part of the array
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<jhass> oh, merge w/ a block + uniq I think, let me try
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<jhass> GambitK: .inject {|a, b| a.merge(b) {|k, a, b| [*a, b] } }.tap {|data| data.each_value(&:uniq!) } like this?
<apeiros> GambitK: dude, stop with that "json object" nonsense. such a thing does not exist. once you parse json, it's plain old ruby objects.
<GambitK> jhass: it's because in the group of json objects I receive, a lot of the individual objects only vary by date which is unimportant, since only the latest entry is required for any given field you want to search for
<GambitK> apeiros: Ok
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<apeiros> you'll only confuse yourself if you think of them as something special
<jhass> GambitK: anyway ^ should give you some ideas
<jhass> I think it makes more sense in your head
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<arup_r> I got some dir names as <space> inside the then like "03-13-15 11:46PM <DIR> Amita ww" ,,, If I do string.split(" ").last it wouldn't work.. Although it took time for me to figure out.. How can I get only "Amita ww"
<arup_r> ?
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<arup_r> I means everything after <DIR> .. then I can strip the white spaces
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<jsrn> arup_r: Not sure how elegant this is, but `line.split("<DIR>").last` would get you everything after DIR
<jsrn> And you can go from there
<tobiasvl> or if this is the specific use case, string.split(" ")[-2..-1] ?
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<arup_r> not sure it is risky or nor
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<tobiasvl> but isn't <DIR> just a placeholder?
<tobiasvl> if it is the exact string then sure
<arup_r> >> "03-13-15 11:46PM <DIR> Amita ww".match(/(?<=<dir>).*/i)[0].strip
<eval-in_> arup_r => "Amita ww" (https://eval.in/301604)
<arup_r> tobiasvl: no
<arup_r> I think FTP system is windows
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<arup_r> :)
<arup_r> I am getting information as I mentioned
<arup_r> like ""02-13-15 04:51PM <DIR> Lotus 901", "09-23-14 03:58PM <DIR> HD CREATIONS WOMENS WEAR" etc
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<jokester> are they obtained from `dir` ?
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<maasha> Right, reading about tomdoc I think it is pretty much what I want for documenting stuff. However, I fail to see how you get tomdoc processed for the use of ri and rubydoc.info ?
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<arup_r> nah.. no rescue.. I gave up :(
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<gregf_> arup_r: something like a split(",").map ?
<arup_r> no..
<arup_r> gregf_: /Users/shreyas/.rvm/rubies/ruby-2.1.2/lib/ruby/2.1.0/net/ftp.rb:978:in `parse227': 226 Transfer complete. (Net::FTPReplyError)
<arup_r> This error...
<gregf_> arup_r: str.split(",").map { |s| s =~ /<DIR>\s+([^"]+)/i; $1 }
<arup_r> gregf_: the error is with FTP..
<gregf_> ah - nevrmind then
<arup_r> If I use ftp.passive = true getting error as `parse227': 226 Transfer complete. (Net::FTPReplyError)
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<arup_r> If I don't use ftp.passive = true ... no output is coming..
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<a5i> For erb, <%= %> evaluates and {{}} is when the value is already evaluated ?
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<jhass> in erb {{}} is just {{}}, no special cases
<jhass> {{ .. }} is used by other templating languages though, like handlebars
<a5i> Oh
<a5i> Okay
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<a5i> Im a little confused with this
<a5i> nvm
<a5i> wrong chat :P
<undeadaedra> you’re a little confused with you IRC client ?
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<shevy> he just can't write long sentences
<GambitK> jhass: what I want is the same as array.uniq! but based on a single field, not all the fields
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<undeadaedra> uniq_by ?
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<jhass> GambitK: it takes a block
<undeadaedra> is there a doc bot ?
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<GambitK> jhass: i dont get it sorry, very new to ruby
<shevy> undeadaedra unsure. I think helpa can learn new links
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<jhass> >> [1, 2, 3, 4, 5, 6].uniq {|e| e.even? }
<eval-in_> jhass => [1, 2] (https://eval.in/301619)
<jhass> that's a poor select but I had no decent idea :P
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<shevy> why do people like lisp so much
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<jhass> it has a cute story
<wasamasa> it has no stupid syntax
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<wasamasa> it's meta-programming is not braindead
<jhass> the first high level programming language and it was never intended to be one
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<wasamasa> it can be simple or complex or anything else you want it to be
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<certainty> shevy: i can't speak for lisp in general but for scheme it is a sane language with a unique design goal. "Programming languages should be designed not by piling feature on top of feature, but by removing the weaknesses and restrictions that make additional features appear necessary." .. this is a quote from the introduction section of r5rs
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<hanmac1> jhass: the only good thing for lisp is that you cant code in hanmac style with it ;P (shevy knows what i mean)
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<jhass> hanmac1: want to see one of my lovely macros?
<hanmac1> jhass: only if you want to see some of my C(++) macros too ;P
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<jhass> I already saw them
<undeadaedra> #define true false
<jhass> #define while whilst
<jhass> er, wrong way around :P
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<hanmac1> jhass: imo https://github.com/Hanmac/rwx/blob/master/ext/main.hpp#L487 and following are nice macros for generating wrapper code
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<jhass> hanmac1: we should make this one https://github.com/manastech/crystal_ruby/blob/master/sample/test_ruby.cr fully work though
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<mwlang> how do use Ruby I set the PATH in Windows before shelling a command with backticks
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<shevy> mwlang should be possible via ENV
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<shevy> at least I tried on linux; I can modify ENV['LDFLAGS'] and it works
<shevy> try what irb gives you for ENV['PATH'] on windows
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<mwlang> shevy: good idea. Let’s see what happens.
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<shevy> compile.rb: ENV['LDFLAGS'] = '-static'
<shevy> that's what I use in compile.rb :)
<shevy> my dream was to compile a static ruby... but somehow, I failed. it works with "make" program though, my make is static, "ldd make" gives no dependencies on any .so file
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<havenwood> shevy: Tried Traveling Ruby?
<shevy> traveling ruby? what kind is that
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<nickjj> jhass, btw. going weeks back to that refactor. your version with a few minor edits ended up being 30 less lines of code with a lot less duplication overall
<shevy> havenwood hmm
<jhass> nickjj: :)
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<shevy> havenwood I have only recently started to use gems!
<shevy> now you tell me to change my world again
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<certainty> haha
<shevy> hmm replace ... /use gems/use and create gems/
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<certainty> shevy: did you know that we have flying machines now? we call them airplanes
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<shevy> yeah
<certainty> just checkin
<shevy> it's strange - sometimes I am afraid to crash to the ground
<shevy> and sometimes not
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<certainty> shevy: yeah. the thing is some do actually crash to the ground and some don't
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<shevy> statistically it's a very low chance to crash
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<certainty> shevy: i think the odds increase once you start using gems
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<cheater> hi
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<DEA7TH> Does Ruby have a method array.indexes, which is like array.index, but returns the positions of all matching elements? like so: [1,2,3,4,3].indexes(3) == [2, 4]
<DEA7TH> I wrote it myself already, but would be nicer if I could use the libraries instead
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<shevy> DEA7TH probably .select ?
<DEA7TH> shevy: no, I need a method which literally does what I want. input: element, output: indexes of element in array
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<cheater> i put a print statement in a do block and it gets printed three times. why is it doing that? here's the code: http://0bin.net/paste/drFnO3ec8+YwlyWi#VlhUF6difGHAWHm7B2HksLrfjrFe9Sn2COGdpTwnT8i
<shevy> %w( a b c d e f ).index('e') # => 4
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<shevy> don't think you can get a multiple match
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<cheater> does anyone know? :S
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<certainty> haha client side encryption :)
<shevy> cheater this one gets printed three times? so how many times do you print there
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<jhass> cheater: that's very specific and an implementation detail of vagrant
<jhass> ask them
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<certainty> shevy: ?
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<cheater> jhass: i was hoping for some pointers on how to find this out myself. the vagrant irc channel is very inactive.
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<scrapcode> A company I applied for sent me a link to a set of 4 hackerrank problems and 2/4 kicked my ass. =[
<jhass> cheater: p(caller), p(Process.pid) stuff like that I guess
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<cheater> jhass: sorry, what is p()?
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<cheater> jhass: i know very little about ruby (i can program in a lot of other languages though)
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<gregf_> >> def indexes dat; dat.each_with_index.select { |arr| arr.first == 3 }.map(&:last);end; p indexes([1,2,3,4,3])
<eval-in_> gregf_ => [2, 4] ... (https://eval.in/301673)
<gregf_> DEA7TH: ^^
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<gregf_> * ducks && runs*
<jhass> cheater: p is like print or puts, except getting a representation of the object suited for the programmer
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<workmad3> gregf_: dat.select.with_index :P
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<gregf_> heh
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<DEA7TH> gregf_: I already did exactly that, only a little better :D. My requirement was that the function is in the standard libraries because I like to keep my ruby_extensions.rb file minimal.
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<cheater> jhass: thanks, let me try that
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<cheater> jhass: can i also type STDERR.p caller ?
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<jhass> I don't think so
<jhass> >> $stderr.p
<eval-in_> jhass => private method `p' called for #<IO:<STDERR>> (NoMethodError) ... (https://eval.in/301679)
<undeadaedra> >> method(:p).inspect
<eval-in_> undeadaedra => "#<Method: Object(Kernel)#p>" (https://eval.in/301680)
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<undeadaedra> I don’t know what I expected
<jhass> cheater: however p is just puts x.inspect really
<eat_multi> you can always use STDERR.puts(something.inspect)
<cheater> ok. i know of inspect.
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<cheater> when i'm trying to find something out about some things, i get output such as this: "#<VagrantPlugins::ProviderVirtualBox::Config:0xa2b6470 @auto_nat_dns_proxy=#<Object:0x9c4c1e8>, @check_guest_additions=#<Object:0x9c4c1e8>, @customizations=[], @destroy_unused_network_interfaces=#<Object:0x9c4c1e8>, @functional_vboxsf=#<Object:0x9c4c1e8>, @name=#<Object:0x9c4c1e8>, @network_adapters={1=>[:nat, {}]}, ...
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<cheater> ... @gui=#<Object:0x9c4c1e8>>"
<cheater> if i wanted to find out more about "name", what would i do?
<undeadaedra> either print the object directly
<undeadaedra> either use some debugging tool
<cheater> i did, but it just shows "#<Object:" and so on
<jhass> !goal
<undeadaedra> You can try some inspections method on it, I don’t know what you need to know about it
<cheater> this obviously isn't the way this thing is being accessed in the code, i assume it's a variable that holds a string, so how would i get at it?
<jhass> mh, thought we had that
<jhass> it doesn't hold a string
<undeadaedra> If it were a string, it would show a string
<undeadaedra> >> %(Hello).inspect
<eval-in_> undeadaedra => "\"Hello\"" (https://eval.in/301682)
<cheater> maybe it's some sort of object (??) that ontains a string.
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<jhass> >> Object.new
<eval-in_> jhass => #<Object:0x41d143e0> (https://eval.in/301684)
<jhass> it's some sort of metaprogramming weirdness
<cheater> how do i digest it?
<jhass> probably doing ^ and then extending shit into it
<jhass> read the source of where it's created
<cheater> would you mind telling me what ^ is? symbolhound finds nothing: http://symbolhound.com/?q=ruby+^
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<jhass> when people say ^ in IRC they mean it as an arrow usually
<jhass> "look at above"
<undeadaedra> it just refers to previous message
<cheater> ok
<cheater> not assuming anything, i don't know ruby syntax
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<jhass> time for some tryruby.org then ;)
<cheater> i'm not sure this will be productive
<robindunbarr> You shouldn’t aim for productivity. You should aim for fun! (:
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<robindunbarr> Just saying my two cents’ worth haha.
<cheater> i'm unfortunately not in position to spend time and learn every nook and cranny of the language
<certainty> my mother told me to always aim for the balls
<robindunbarr> ^ LOL
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<jhass> cheater: then stop whining that you don't know the syntax
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<robindunbarr> cheater: just do it man (:
<cheater> jhass: i was just explaining my confusion, i'm not "whining"..
<jhass> there is the opportunity to learn it, it's pretty easy if you know a programming language or two
<jhass> take it or leave it
<certainty> cheater: it's not about the language really. it's very vagrant specific. It seems todo some severe hackary. If you need to dig in you will have to develop a deeper understanding
<jhass> well, we all read it the first time ;)
<cheater> jhass: why would extending the object that i have in "name" help me find what's inside it? does ruby have some form of reflection which will tell me what things are inside an object?
<jhass> or you just ask your real quesiton
<jhass> it does, tons
<jhass> but that's not what I meant
<jhass> and there's actually no point to explain
<shevy> he has no time to learn anyway
<jhass> at this level
<jhass> if you want to debug this on you own you got to learn stuff
<jhass> if not ask your real question in the vagrant channel and patiently wait at least 24 horus there
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<certainty> or wait for answer in the vagrant channel
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<certainty> < echo
<cheater> please can we not start one of those arguments where people are telling a person new to the language to go and read a complete book on the language and then come back? that will not lead anywhere and will make sure we all have a bad day
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<workmad3> cheater: aww, you ruin all our fun :P
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<jhass> cheater: tryruby.org takes 30 minutes, max
<certainty> cheater: the thing is that most of us are probably not familiar with the vagrant codebase. we can give general advices on how to approach debugging unknown code, which jhass did, but that's about it
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<jhass> it gives you a basic understanding of the syntax
<cheater> jhass: if i go to tryruby.org and finish the tutorial will you stay here and help me figure out what i want to do?
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<jhass> sure
<cheater> ok
<workmad3> jhass is always here... I think he's an AI that only exists on IRC
<cheater> so you mean the tutorial i get by typing "help"?
<jhass> workmad3: mmh, I see you don't look at my Github
<cheater> let me do that
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<jhass> yes
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<certainty> githubs can be faked
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<workmad3> jhass: why would I want to destroy my illusions about your virtual reality? :)
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<jhass> workmad3: see certainty
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<jhass> I'm just countering the claim that my AI can only do lously IRC stuff
<workmad3> jhass: that still destroys my illusion that you only exist on IRC ;)
<workmad3> jhass: and instead makes me panicky that AIs have escaped from the IRC sandbox and are roaming the interwebs at large
<certainty> xD
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<shevy> your AI needs more typo correction jhass
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<jhass> shevy: you didn't understand the turing test
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<jhass> or markov chains
<shevy> fancy names for shallow concepts
<jhass> where's the source for that class anyway?
<workmad3> shevy: that could be a carefully controlled, intentional introduction of errors in order to make the jhass-bot seem more human and therefore not a scary AI trying to get into nuclear launch sites and destroy the world
* jhass never got how vagrant is structured
<shevy> it's private
<shevy> just like that... what was the name
<shevy> penetration thingy
<shevy> where people came here just to learn it but not ruby
<certainty> you can't fool me. i know you all are AIs trying to cover up the fact that you are by talking about AIs
<bricker> Does anybody have examples of good documentation for nested JSON responses?
<bricker> I'm just nesting tables but it's unruly
<certainty> nice try bricker. i know you're the king of AIs
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<bricker> :O
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<workmad3> certainty: what could I say that would convince you I'm not an AI? :P
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<certainty> workmad3: tell me about you dreams
<certainty> your, even
<jhass> bricker: how about docson?
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<workmad3> certainty: they're filled with sheep at a recharging station
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<certainty> workmad3: i knew it
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<workmad3> dammit! foiled again!
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<certainty> :D
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<certainty> alright i'll call it a day
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<eam> to prove you're not an AI you'll first have to come up with a definition of "artificial" that somehow doesn't include regular human beings
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<workmad3> eam: lets not forget a working understanding of 'intelligence' that provides useful criteria for determining what intelligence is
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<cheater> when i type :foo is that the same as "foo" and 'foo'?
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<eam> workmad3: indeed; first disprove my solipsism
<hoelzro> cheater: no, :foo is a Symbol
<eam> cheater: no, but it is the same as :"foo"
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<workmad3> eam: I'd rather just point at humans and say "Not artificial" then point at a computer and say "Artificial"
<hoelzro> >> :foo.class
<eval-in_> hoelzro => Symbol (https://eval.in/301695)
<eam> or "foo".to_sym
<shevy> cheater "foo" and 'foo' are synonymous.
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<hoelzro> unless there's a #{...} in the string
<cheater> is a Symbol like a singleton string?
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<eam> workmad3: but you've already created an inconsistency, as humans are a subset of computers
<hoelzro> cheater: pretty much, yes
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<cheater> k
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<shevy> why are humans not artificial
<shevy> who booted them up
<eam> artificial is defined as "made or produced by humans" so humans themselves would be artificial
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<shevy> huh
<workmad3> eam: no, it just means that my pointing made it clear that a thing recognisable as, say, an Apple laptop and a thing recognisable as a species of chimp that walks upright divide the set of 'things that can perform computations'
<shevy> so a synthetic genome is artificial
<shevy> yet it can reproduce by itself
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<jay_> how to create soap api application using rubyonrails.....any links/leads/blogs/forum would be very helpful....... as I want to understand soap api concept
<workmad3> eam: so that 'artificial' is not a subset or superset of 'computer'
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<workmad3> eam: it also means I don't want to spend time chopping and changing definitions in some foolish game that makes me think I'm changing reality :P
<mwlang> jay_: I just did a couple SOAP apps myself in Ruby on Rails. It’s not entirely easy, but it’s doable.
<eam> workmad3: sure, you can use a circular definition :)
<mwlang> jay_: I’m planning to write up a couple of blog posts on it, but I’m not quite out of the woods just yet.
<workmad3> eam: or I can continue to point at things ;)
<jay_> ohhh
<mwlang> jay_: however, having said that, the two gems to get familiar with are wash_out and savon.
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<jay_> ok
<eam> workmad3: just sayin', "prove you're not an AI" is equally difficult for a silicon chip as for a human brain
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<workmad3> eam: or at least, to your human brain it seems equally as difficult ;)
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<mwlang> jay_: I did the first application using these gems, but I had lots of bugs and issues with them, so the second app, I wrote a Rack middleware app to parse SOAP messages.
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<jay_> hmm
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<jay_> You gave me two gems "savon" and "wash_out" I will try to use them
<jay_> thanks for the lead :)
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<mwlang> jay_: My favorite gem is one from the Savon stack call Nori as it translates the SOAP XML into Ruby hashes and I found this was all I really needed the 2nd time around.
<jay_> ohh
<jay_> so your using Savon and nori gems for soap architecture
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<mwlang> jay_: So I just studied up on the specs for declaring WSDL and Soap Envelope/Body constructs and built the response messages with Ruby’s Builder https://github.com/jimweirich/builder and it worked out quite nice.
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<mwlang> jay_: The first app, I do use Savon as I connect to a SOAP server to send messages.
<jay_> ok
<mwlang> and the second app is the SOAP server and doesn’t make external SOAP calls, so all it needed was a SUCCESS/FAILURE response.
<undeadaedra> « Savon »
<mwlang> So it just uses builder and nori
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<jay_> builder and nori (y)
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<eam> I wish :?a worked
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<undeadaedra> :’?a’
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<jay_> mwlang_ thanks alot
<jay_> for sharing information
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<a5i> Can anyone help me with this lil problem?
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<eam> >> ??
<eval-in_> eam => "?" (https://eval.in/301707)
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<cheater> i have finished the tutorial
<arup_r> I'm not a good programmer :(
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<cheater> jhass: so how does extending an Object help me figure out its text contents? I didn't understand that.
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<jhass> cheater: forget about it, it's advanced class hierarchy wizardy and was a guess about what it is, not how you can learn about it
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<jhass> cheater: I tracked down the code by now
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<jhass> https://github.com/mitchellh/vagrant/blob/master/plugins/providers/virtualbox/config.rb#L39 here is the method defined that lets you set it externally
<jhass> (and read)
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<a5i> jhass, do you have any idea?
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<jhass> a5i: that's an incomplete exception, specifically it's (part of) a backtrace
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<a5i> ill try to again
<cheater> jhass: thanks for your time. how do I use "attr_accessor :name"?
<jhass> a5i: on a side note you want to learn about https://help.github.com/articles/github-flavored-markdown/#fenced-code-blocks
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<jhass> cheater: it defines plain methods, it's a shortcut to writing the following methods: def name; @name; end; def name=(value); @name = value; end
<jhass> Ruby has syntax sugar for calling methods that end in =, a.b=(v) can be written as a.b = v
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<cheater> hmm what does "def name=(value)" mean? is this a special syntax for a setter?
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<undeadaedra> yes
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<undeadaedra> you can then do x.name = y
<cheater> thanks
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<jhass> a5i: your encodings are messed up
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<iheartkode> Good Morning
<jhass> a5i: what does enca on update.htm report?
<a5i> jhass: it works
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<a5i> jhass: the hompage is the onlly one that chokes
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<jhass> a5i: index.html or whatever the file is then
<a5i> jhass, its index.erb
<jhass> basically check the encoding of all your fiels
<a5i> index.html doesnt exist
<jhass> *files
<a5i> jhass: how can I? also, it works perfectly standalone running puma
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<jhass> a5i: enca is a handy tool, as said initially
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<iheartkode> hash = { key: "Value" } when you access it hash[:key] why is the symbol turned around?
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<pipework> iheartkode: It's not turned around. Those are two things. Symbols and then the 1.9 hash syntax.
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<iheartkode> Interesting
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<pipework> The 1.9 hash syntax makes symbols keys and whatever you want to put as the value as the value. In 1.8, we had the hashrocket, which was any object on the left associated to the object on the right of the =>
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<iheartkode> I recall the hash rocket but why is the : on the other end when you access it?
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<iheartkode> "Key" => "Value"
<havenwood> arup_r: Well, we have documentation, just not of EC2. :P
<iheartkode> I like the symbol way better.
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<a5i> jhass: index.erb is Universal transformation format 8 bits; UTF-8
<a5i> jhass: updates.htm is 7bit ASCII characters
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<iheartkode> Okay I guess I should not worry why lol
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<arup_r> havenwood: humm.. we need very perfect eyes to read Ruby documentation and #ruby channel also many times..
<arup_r> :D
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<havenwood> arup_r: i choose the font and color i prefer
<jhass> a5i: gotta check with something else, maybe check with the nice people of #passenger
<workmad3> iheartkode: the 1.9 symbol-hash syntax was basically introduced so that there was an upgrade path from 1.8 style hash arguments ( foo(:bar => "fizz") ) to 2.0 named arguments ( foo(bar: "fizz") ). It also has a pseudo-nice feature of being similar to JSON, but a not-nice feature of not being exactly like JSON
<iheartkode> I wasn't asking about that sir.
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<a5i> jhass, I already told them but no response yet, also why did you want to know the encodings?
<workmad3> iheartkode: yes you were, you just didn't realise it ;)
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<iheartkode> lol
<iheartkode> legit
<jhass> a5i: because you have an encoding error
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<jhass> a5i: that's usually because you read the file in a different encoding than they really are
<workmad3> iheartkode: because foo(:bar => "fizz") is the same as foo({:bar => "fizz"}), and in 1.9 foo(bar: "fizz") is the same as foo({bar: "fizz"}) (the {} for a hash literal can be omitted in a parameter list)
<jhass> a5i: but maybe you also managed to just paste an invalid codepoint into it
<a5i> jhass: if ascii worked should I convert the index.erb to ascii ?
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<iheartkode> I know the hash rocket is the same.
<jhass> a5i: no, read up on what encodings are
<workmad3> iheartkode: so they introduced the upgrade path by allowing {foo: "bar"} for a symbol-hash literal
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<arup_r> havenwood: that didn't click on me.. sounds nice
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<workmad3> iheartkode: {:foo => "bar"} is still valid though
<iheartkode> Okay
<iheartkode> Thanks
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<havenwood> arup_r: like I use Menlo font for irc just like i do for my text editor. it's pleasant and readable.
<cheater> jhass: i'm not sure how to get at :id or env, as they are being used here, from outside the context of this plugin: https://github.com/mitchellh/vagrant/blob/master/plugins/providers/virtualbox/action/customize.rb#L24
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<workmad3> iheartkode: in 2.2, they finally extended it to allow {"foo": "bar"} btw... which is a 'finally' because that then allows valid JSON :)
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<cheater> jhass: i'm not sure how to find out where 'env' is created. how would one go about this?
<iheartkode> I see, I appreciate your time. Thx
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<arup_r> havenwood: I use chatzilla.. But don't get sound.. don't know how to set.. Tried a lot.. then got bored.. :)
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<avril14th> rethorical question: is there a speed difference between a = a + 1; and a+=1; ?
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<arup_r> can anyone do now to me arup_r : <like this> ?
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<arup_r> I'll check the sound again
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<undeadaedra> arup_r:
<arup_r> one more.. I missed..
<apeiros_> avril14th: and do you expect a rethorical answer?
<apeiros_> *rhetorical
<avril14th> yep :)
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<eam> avril14th: there is no significant difference
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<eam> avril14th: if you are ever curious, use the benchmark module
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<havenwood> avril14th: or check out the benchmark-ips gem: https://github.com/evanphx/benchmark-ips#readme
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<avril14th> havenwood: that's cool, thanks!
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<benlieb> can anyone recommend a linux gui that can be used to make application architecture wireframs/diagrams. We have maybe 10 services, various websites, databases etc, that are getting compex to visualize...
<jaequery> how safe is it to do arithmetic operations w/ Float and BigDecimal? i just deal with numbers up to two decimal points (ie; currency)
<benlieb> perhaps not the best channel for that question, I realize, but they are rails apps :)
<avril14th> jaequery: super safe with bigdecimal, not safe with float
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<benlieb> oops got kicked off...
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<eam> jaequery: with float, the number of decimal points doesn't matter as much as the total size of the number
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<eam> if all your values are significantly smaller than 2**53 then you're unlikely to have any serious issues, though with float it's always possible to lose precision
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<jaequery> so is it okay for me to do, BigDecimal('2.11') + 5.22 ? or do i need to do BigDecimal('2.111') + BigDecimal('5.22') ?
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<avril14th> jaequery: same
<havenwood> >> 2.11r + 5.22r
<eval-in_> havenwood => (733/100) (https://eval.in/301715)
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<avril14th> IIRC if first operand is bigdecimal you're fine
<avril14th> >> 53.48 * 0.7
<eval-in_> avril14th => 37.43599999999999 (https://eval.in/301716)
<eam> jaequery: it depends on how much precision you need
<jaequery> i just need up to two decimal points
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<eam> jaequery: then you don't need bigdecimal at all
<havenwood> >> require 'bigdecimal'; require 'bigdecimal/util'; 2.11.to_d + 5.22.to_d
<eval-in_> havenwood => #<BigDecimal:40d6e580,'0.733E1',18(27)> (https://eval.in/301717)
<jaequery> avril14th: can you explain how it's same?
<avril14th> jaequery: look at bigdecimal code, but adding bigdecimal + float first turns float to bigdecimal and add up.
<eam> avril14th: which isn't the same
<avril14th> ok now my turn to ask why
<eam> the initial conversion from base 10 to base 2 can lose precision
<avril14th> :)
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<avril14th> okay
<avril14th> so right, only use bigdecimals
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<eam> 0.1 + 0.1 is 0.2, right?
<avril14th> jaequery: you can do '5.22'.to_d
<avril14th> to get bigdecimals
<eam> but 0.1 is a repeating decimal in base 2 and cannot be properly represented
<jhass> cheater: sorry, got carried away by something. You would need to trace calls to the method, since env is a parameter to it
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<eam> by changing the numeric base we also change which fractions can or cannot be expressed as terminating decimals
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<avril14th> okay cool, I learnt something
<jaequery> guys, im confused
<jaequery> i got two different answers
<foureight84> how can i verify that the float gets converted to big decimal before doing arithmatic?
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<eam> but the precision loss is out at the order of 2**53 so if we're only dealing with numbers with 3 significant figures it doesn't matter
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<avril14th> foureight84: if a.kind_of? BigDecimal
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<eam> foureight84: the input to the BigDecimal constructor needs to be a string
<workmad3> avril14th: in more mathematical terms, the ratio of '1:10' (using decimal integers) cannot be expressed as a sum of ratioes involving powers of 2
<workmad3> *as a finite sum of
<avril14th> okay got it
* avril14th gets back to his big decimal permutations
<eam> if you type a numeric literal into your code, ruby will turn it into a base 2 numeric type first, which may lose precision (but -- only about 15 significant figures out)
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<eam> base 10 sig figs
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<atmosx> Hello
<atmosx> is it possible to check if a 'gem' was required?
<foureight84> wait so when i add a float with a bigdecimal, ruby will convert the float -> string -> BigDecimal?
<foureight84> that's implied
<foureight84> the end result is a bigdecimal
<foureight84> basically i'm trying to verify if i have to 1.23.to_s.to_d + BigDecimal('2.99')
<foureight84> the first part
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<GaryOak_> atmosx: I think a require will only load a gem once
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<jhass> a5i: got some time again, any progress?
<atmosx> GaryOak_: that's cool. I wanted to know if it's possible to know which gems were loaded in order to see if the helper module is going to use that gem or not.
<atmosx> or better yet, if that gem is present in the system => load => use.
<foureight84> what happened to the bigdecimal guys?
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<workmad3> foureight84: you'd need to check the conversion code in Float#to_d, but I doubt it's doing that... the point is that the simple case of having a float literal first can introduce a loss of precision because the literal (expressed in base 10) may be for a value that can't be represented exactly in base 2 floats
<workmad3> foureight84: so if you want to be sure of avoiding a loss of precision, you should start with a string, e.g. "1.23".to_d rather than a float
<GaryOak_> atmosx: not sure of the specifics though
<atmosx> GaryOak_: thanks, didn't think of looking at the doc. Ok it can be done.
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<a5i> jhass, no progress yet :(
<atmosx> hm, come to think of this. I need to spend a weekend and write a 'gem' to add methods for Greek chars 'String'.
<a5i> i have time too
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<jhass> a5i: okay, I'd like to see the rest of the error message, its cut off by your pager
<havenwood> >> Gem.loaded_specs.map(&:first)
<eval-in_> havenwood => [] (https://eval.in/301718)
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<havenwood> atmosx: ^
<jhass> a5i: and while updating your gist, the output of the locale command would be nice
<atmosx> havenwood: awesome ty.
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<workmad3> atmosx: more interesting... Gem.loaded_specs is actually a hash keyed by the gem name
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<atmosx> ah nice
<workmad3> atmosx: so Gem.loaded_specs[gem_name] will be either the gem spec, or nil if the gem isn't loaded
<a5i> jhass: what local command?
<jhass> a5i: also note that you can add multiple files to a gist, which makes it easier to track line numbers and such
<jhass> a5i: locale
<workmad3> atmosx: or Gem.loaded_specs.has_key?
<arup_r> no
<a5i> jhass, this is nginx, so there is no command output
<jhass> a5i: I'm interested in your system locale really
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<jhass> it's a command, like cat, less etc.
<havenwood> workmad3: And I should have said #keys for the list of gem names. >.> More coffee for me!
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<workmad3> havenwood: heh :)
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<workmad3> havenwood: I had fun recently... I wrote a one-liner to slurp in a Gemfile.lock and give me back a hash of gem-name => version :)
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<a5i> jhass, Im rly confused
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<jhass> now show me yours
<jhass> on your server of course
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<atmosx> jhass's command prompt is like my vim powerline lol.
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<eam> foureight84: 10:34 < foureight84> basically i'm trying to verify if i have to 1.23.to_s.to_d + BigDecimal('2.99')
<eam> foureight84: no, that won't help. BigDecimal('1.23') + BigDecimal('2.99') should, though
<havenwood> workmad3: require 'bundler'; Bundler::LockfileParser.new(Bundler.read_file('Gemfile.lock')).dependencies.map { |dep| [dep.name, dep.requirement.to_s] }.to_h
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<eam> foureight84: simply expressing a float literal in ruby code causes a base 2 conversion
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<eam> >> 1.23.class # it's too late at this point
<eval-in_> eam => Float (https://eval.in/301727)
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<jhass> yes, all I wanted
<a5i> jhass, :D
<jhass> on the gist tutorial side: to post ruby code just name the file foo.rb and paste the code directly
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<a5i> oh that makes more snese
<a5i> sense*
<jhass> a5i: but lets take a look at your error message
<jhass> [ 2015-03-18 12:16:07.3908 2551/0x0000000157eff8(Worker 1) utils.rb:85 ]: *** Exception Encoding::InvalidByteSequenceError in Rack applicatio$
<jhass> do yousee that $ at the end?
<jhass> it's an artifact of your pager
<jhass> it tells you that there's more on that line
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<jhass> you can see it by pressing the left arrow key
<jhass> er, right
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<jhass> today is not my best day either :/
<atmosx> that's not proper utf8 support
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<jhass> atmosx: how so?
<atmosx> jhass: I had similar errors in some sinatra programs of mine
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<a5i> jhass, alright try to get it
<jhass> atmosx: oh, I thought you meant the locale output
<atmosx> jhass: IIRC the app expects ASCII while it receives some utf-8 string.
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<atmosx> a5i: you have views too? haml/erb?
<jhass> atmosx: huh, the trace is going through temple
<a5i> atmosx: yes, erb
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<jhass> er, tilt
<atmosx> tilt
<atmosx> I don't know what tilt is, so I raise my case
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<jhass> tilt is some abstraction thingy around the various templating gems
<atmosx> I see
<jhass> a5i: oh, Ruby 1.9 fun I guess
<pipework> Mmm tilt.
<atmosx> a5i: can you paste this file too? /var/www/cubaa/views/index.erb
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<pipework> jhass: It's a templating engine handler thingy.
<a5i> atomsx sure
* pipework hopes there's a PHP engine for tilt
<a5i> atmosx: sure*
<jhass> a5i: can you add the following as the first line to index.erb?: # -*- coding: UTF-8 -*-
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<atmosx> one solution might be what jhass said, adding that file to your erb (not sure if you need to add some <% %> though)
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<jhass> I hope ruby drops it from the file
<a5i> well tis in here now
<atmosx> a5i: are you using ruby 1.9?
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<a5i> yes
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<atmosx> a5i: upgrade please
<jhass> a5i: that's some weird HTML, but lets do that later
<a5i> I dont think i can with reverse proxy atm
<atmosx> doesn't look like erb, last time I saw erb was full of % and <
<atmosx> lol
<jhass> atmosx: there's some
<atmosx> a5i: cool, that's the HTML code, can you show us the 'erb code?
<jhass> <%= req.ip %>
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<bricker> Why is this?:
<bricker> >> "\x89".include?("\x89")
<eval-in_> bricker => false (https://eval.in/301734)
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<bricker> Someone in #rubyonrails is running into this
<a5i> atmosx: It has one bit of it thats erb
<jhass> mmh
<eam> >> "\x89".b.include?("\x89".b)
<eval-in_> eam => true (https://eval.in/301735)
<jhass> ^ just wanted to do the same
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<eam> \x89 isn't a valid unicode character
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<jhass> bricker: not a valid codepoint in that encoding so include fails
<atmosx> ah
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<jhass> a5i: did you try the magic comment yet?
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<a5i> trying right now
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<eam> seems like #include? should raise ArgumentError
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<atmosx> a5i: ruby-1.9 is evil with encodings and all it's a nightmare. I used to add 'encoding: utf-8' to all my files after the shebang. I had a vim shortcut for this...
<eam> >> "\x89" =~ /./
<eval-in_> eam => invalid byte sequence in UTF-8 (ArgumentError) ... (https://eval.in/301736)
<jhass> a5i: did some more googling, it's <%# coding: UTF-8 %> for erb
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<atmosx> when I grow I'll learn the saxophone and join the dire straits.
<atmosx> oh there you go with the <% and %>'s
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<a5i> did not work :(
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<jhass> update your gist with exactly what you have please
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<atmosx> a5i: can you add this to your routes too? -> # encoding: UTF-8
<a5i> okay
<atmosx> a5i: encodings should go on the first line of the file IIRC
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<jhass> yes, first line unless that's a hashbang
<jhass> then second is valid
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<a5i> where should I put it in the sever file ?
<a5i> the # encoding: UTF-8 part
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<jhass> first line
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<atmosx> above the => require "cuba"
<a5i> ok
<jhass> so, this is was a debian box or..?
<atmosx> also, how do you reload the app? I mean do you literally stop/start the server (somehow) right?
<atmosx> the rack server
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<a5i> No luck :(
<a5i> I do nginx -s reload
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<a5i> and yes debian
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<shevy> you poor man
<atmosx> a5i: nginx is a reverse proxy.
<atmosx> a5i: that doesn't restart your app.
<jhass> a5i: uh, are you sure that actually reboots the app? been some time since I used passenger
<atmosx> ah passenger
<jhass> atmosx: they have the passenger module for nginx
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<atmosx> a5i: can you reboot the machine?
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<jhass> wat, no, this aint windows
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<eam> jhass: the gap is narrowing lately
<jhass> I do have a systemd box
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<jhass> I still do only reboot on kernel updates
<GaryOak_> Does anyone know how to specify schema using the Sequel gem?
<eam> some kernel updates can be done on the fly -- not systemd updates though
<jhass> eam: FUD
<eam> fact!
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<jhass> systemctl daemon-reexec
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<atmosx> GaryOak_: I do
<eam> jhass: I should say, some subset :)
<a5i> I also so service nginx restart
<a5i> to ensure the saves
<jhass> eam: never had ^ fail
<GaryOak_> atmosx: I'm only using one schema
<a5i> any other solutions :(
<GaryOak_> but I can't figure out how to configure the connection for that schema
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<atmosx> GaryOak_: you mean define associations?
<atmosx> GaryOak_: show me the code and what you're trying to do.
<GaryOak_> maybe...., just need to say I'm using this schema to access these tables
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<GaryOak_> atmosx: So like SELECT * FROM my_schema.items;
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<jhass> a5i: one more I have: add passenger_env_var LANG en_US.UTF-8 to your nginx config
<a5i> okay
<atmosx> GaryOak_: here is how you define a schema https://github.com/atmosx/pritory/blob/master/models/init.rb
<a5i> lets all pray for this to work
<eam> jhass: most people never encounter the hard corner cases :)
<atmosx> GaryOak_: actually take a look at this https://github.com/atmosx/pritory/tree/master/models
<jhass> a5i: let's add passenger_env_var LC_COLLATE en_US.UTF-8 for good measure
<jhass> eam: you can say the same about every software
<atmosx> GaryOak_: if you define tables as 'classes' you can require and access them directly: e.g. TableName.first(id: 2)
<eam> jhass: you can't if the hard corner cases don't exist in the first place
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<jhass> eam: anyway, the choice is still yours, go devuan and be happy
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<eam> already done, not that I'd run debian in prod
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<atmosx> jhass: for how many $$$ would you fix a5i's error (via ssh) ?
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<atmosx> eam: what do you run in prod/
<eam> centos
<atmosx> eam: why?
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<jhass> atmosx: dunno, none probably
<jhass> I'm not in financial need atm
<eam> actual software lifecycle strategy, enterprise support for various products
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<eam> and over the last decade: rhel is the only distro with a workable multi-arch strategy
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<atmosx> jhass: cool
<eam> though everything is x86_64 now so that doesn't matter much anymore
<atmosx> eam: multi-arch? why? do you deploy in multiple archs?
<eam> not anymore
<eam> but 5-10 years ago, sure did
<atmosx> sparc?
<atmosx> ppc?
<eam> 32/64bit x86
<atmosx> other than x86 I mean
<atmosx> well that's basically the same.
<eam> haven't used sparc since near 00
<atmosx> it's not, but you know what I mean.
<atmosx> oh you used sparc in production? hehe cool.
<eam> most distros couldn't handle both runtimes
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<eam> it was a big problem
<atmosx> i see
<atmosx> so you stuck with centos
<eam> debian/ubuntu had a horrible shim library that supplied enough 32bit libs to get stuff like firefox working but it wasn't a real solution
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<eam> atmosx: it's the only real option
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<shevy> If I have time such as target "07:00:30" (tomorrow) and current time "19:27:20" (today), how to calculate the distance between these two in seconds?
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<a5i> jhass, both?
<atmosx> shevy: I would convert them and use 'Time'
<a5i> jhass: or just the second one?
<jhass> a5i: both
<jhass> can't harm
<a5i> mk
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<a5i> jhass: there is an arabic phrase in the index.erb
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<jhass> a5i: I noticed as much
<a5i> okay good
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<a5i> IT WORKED!
<a5i> THANK THE LORD
<a5i> thanks @ jhass and @atmosx
<atmosx> hahaha
<atmosx> can I sed the result of jhass's sweat?
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<atmosx> s/sed/see
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<a5i> please tell me im not hallucinating
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<atmosx> a5i: Karim Ellaisy <-- is that you?
<atmosx> a5i: no, it's a beautiful landing page btw
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<atmosx> a5i: there are little clouds floating around, lovely.
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<a5i> yeah thats me :P
<atmosx> cool :-)
<atmosx> a5i: out of curiosity, is that jewish?
<a5i> Nope its arabic
<atmosx> Arabic
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<atmosx> hm Arabic is used throught many countries right? In south africa and middle east, or not?
<eam> atmosx: that would be Hebrew you're thinking of, btw
<atmosx> eam: yes, yes. Hebrew, I wanted to ask him abotu the election in Israel, ut it's not the case apparently
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<jhass> atmosx: now why the hell do you have two doctypes and two headers?
<jhass> er a5i ^
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<jhass> sorry my tab completion fails that all the time :P
<a5i> err
<a5i> I dont know o.o.
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<atmosx> jhass: if it works, I wouldn't touch it (at this point in ttime) or at least make a copy of it. lol
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<atmosx> a5i: how old r u?
<a5i> 16
<atmosx> a5i: really cool hehe
<atmosx> a5i: nice, keep rubying
<a5i> thanks :P
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<a5i> and bet on it
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<rubie> hi all, im working on recursion and not understanding why an explict return to a recursive call will make the program run correctly but omitting that explicit return makes it fail here is the gist https://gist.github.com/db47534f048040a715f6.git
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<jhass> rubie: the explicit return exits the .each in the first iteration, of the if condition being true
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<rubie> ahh!
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<havenn> rubie: try changing that `return` to a `break`
<rubie> ok
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<rubie> still works
<rubie> is break the idiom to use?
<jhass> rubie: also try using Enumerbale#find instead of the explicit return or a break
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<jhass> I'd say Enumerable#find would be most idiomatic
<havenn> rubie: #find
<rubie> ok i'll look into that
<rubie> thanks
<agarie> learning the methods in Enumerable is probably the best investment you can make when starting with Ruby
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<agarie> it helps a lot
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<rubie> im not sure what you mean by using #find, it seems like its a way to search for something in an array
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<rubie> do you mean use that instead of each?
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<agarie> yes
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<havenn> rubie: So `[1, 2, 3].find { |n| n.even? }` instead of `[1, 2, 3].each { |n| break n if n.even? }`.
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<rubie> makes sense, thank you
<havenn> >> [1, 2, 3].find &:even?
<eval-in_> havenn => 2 (https://eval.in/301764)
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<phale> Hello, sorry for bad english But I need book for ruby Knowledge enticing
<agarie> also
<agarie> >> [1, 2, 3, 4].find &:even?
<eval-in_> agarie => 2 (https://eval.in/301765)
<agarie> and...
<phale> A very god bok
<agarie> >> [1, 2, 3, 4].find_all &:even?
<eval-in_> agarie => [2, 4] (https://eval.in/301766)
<phale> is this a new hipster method added in 2.2.0?
<agarie> `find` returns the first element that matches, if you need all of them, use `find_all` :P
<rubie> fixed it up
<rubie> ugh sorry about the tabs
<phale> >> [1, 2, 3, 4].each {|i| print i if i.even?}
<eval-in_> phale => 24[1, 2, 3, 4] (https://eval.in/301767)
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<phale> if you dont want a yucky array for no reason
<phale> ;)
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<phale> rubie: I can't read your code.
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<phale> There are more than 2 spaces used for tabbing.
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<phale> Also, unnecessary if.
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<phale> who are you trying to fool here?
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<rubie> ya im not sure why, i tried fixing it, and its set on 2 tab spacing on the gist
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<phale> don't use return
<phale> it's redundant
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<phale> return number if i < 1
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<phale> if num != 1 do...
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<phale> etc!
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<jhass> agarie: rubie note most people prefer the select alias to find_all
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<rubie> ok thanks jhass!
<agarie> you're right :P
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<slipkfn> Is there any ubuntu repositories for ruby 2.2?
<shevy> you have to ask ubuntu
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<jhass> slipkfn: brightbox
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<SegFaultAX> What's the current best tool for making command line applications?
<SegFaultAX> Thor seems quite popular, is that the generally best option?
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<jhass> !best
<helpa> "Best" and "better" are subjective. Try to use a different term.
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<SegFaultAX> Pick whatever definition of best most suits you.
<SegFaultAX> "Popular"
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<agarie> Thor is great indeed, I've written some internal tools for my company with it
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<jhass> if you want popular just check github stars
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<SegFaultAX> jhass: I'm looking for direct recommendations, thanks.
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<SegFaultAX> I appreciate your input, though.
<shevy> "The whole team worked hard for the next 18 months to eventually produce Ruby."
<agarie> but if what you need is really simple, using ARGV might be enough, or even OptionParser
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<SegFaultAX> agarie: I'm also looking at methadone.
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<eam> shevy: ruby borrows a lot from vb :)
<shevy> !!!!!!!!
<shevy> MICROSOFT INVENTED RUBY!
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<arup_r> good news
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<noobier03> hello, i was wondering if anyone knows of a online or sublime text formatter that will fix indentition of erb code
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<jhass> just indentation?
<jhass> I juse the built-in reindent for that
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<mozzarella> gg=G
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<maasha> Using TomDoc what is the correct way to describe a splat argument?
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<Senjai> slipkfn: Not sure if you found what you were looking for
<Senjai> slipkfn: But generally, I recommend ruby build for adding new rubies
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<slipkfn> Senjai: I tried that but I came across some issues with openssl and gem.
<Senjai> slipkfn: Then you should fix those issues :P
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<Senjai> They'll be a problem for everything else anyway
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<havenwood> slipkfn: ruby-install will use the package manager's openssl, which I think is much preferred
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<Senjai> err
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<Senjai> ruby-install sorru
<Senjai> not ruby-build
<havenwood> ruby-build shipping its own versions of openssl even when it itself is installed through the package manager is... unexpected and unfortunate
<havenwood> Senjai: aha :)
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<slipkfn> Ill try that in a minute. I think the brightbox repos screwed up my system.
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<ramfjord> Hey all! I'm trying to write some tests for a database heavy application. This is not rails, and although we have activerecord as a dependency almost all of the sql is executed with connection.execute. In fact, many of our tables don't even have activerecord models associated with them (at least in this app).
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<ramfjord> Do you guys know a factory-girl type gem that doesn't require activerecord models for everything?
<ramfjord> do you think this would be a good case to use fixtures instead?
<ramfjord> or something like them
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<kappy> Good afternoon. Do I need to import a module for ``srand''? Whenever I run it in a script, it doesn't return anything.
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<kappy> But rand works fine.
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<jhass> kappy: what do you think srand does?
<jhass> and how do you verify "it doesn't return anything"?
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<kappy> I think it works just like rand, but I seed it with some numbers. So if I put it on a line by itself, ``srand 1976'', I would expect a number back from that seed.
<jhass> so that's where your confusion comes from
<jhass> it re-seeds the prng used by rand
<jhass> it returns the old seed
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<jhass> >> Array.new(5) { rand }
<eval-in_> jhass => [0.35241286169162234, 0.9123924536881409, 0.48405143118756677, 0.27453919011407535, 0.3332401379040668] (https://eval.in/301782)
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<jhass> >> Array.new(5) { rand }
<eval-in_> jhass => [0.8520221705948431, 0.8889245656254113, 0.13862235762824238, 0.1450237370837183, 0.6968874391496365] (https://eval.in/301783)
<jhass> >> srand(10); Array.new(5) { rand }
<eval-in_> jhass => [0.771320643266746, 0.0207519493594015, 0.6336482349262754, 0.7488038825386119, 0.4985070123025904] (https://eval.in/301784)
<jhass> >> srand(10); Array.new(5) { rand }
<eval-in_> jhass => [0.771320643266746, 0.0207519493594015, 0.6336482349262754, 0.7488038825386119, 0.4985070123025904] (https://eval.in/301785)
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<dogweather> Brainstorming an app idea: "Analyze a GitHub project: Well managed? Accepts help? Wants help?" https://github.com/dogweather/ducking-octo-dangerzone
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<kappy> Thanks, @jhass, I still don't quite get it, but I will do more reading on it.
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<kappy> And futz with your examples some. ;)
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<jhass> kappy: maybe using Random directly is easier to understand for you, check its docs
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<workmad3> apeiros_: any chance I could make a request that the log in the topic go to http://irclog.whitequark.org/ruby rather than the root? :)
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<workmad3> apeiros_: I get annoyed at going to the log and having to then click on #ruby ;)
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<slipkfn> Ok, got a good ruby installation working.
<slipkfn> thanks!
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<weaksauce> I know it's not idiomatic ruby but how would one implement a pop on the string class?
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<weaksauce> is it even possible?
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<dogweather> weaksauce: that's pretty easy in ruby.
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<eam> pop() is just [-1]
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<weaksauce> I get that part. it's the modifying the original string part that has me questioning it. I get a cannot modify self
<eam> >> class String; def pop; self[-1]; end; end; "abc".pop
<eval-in_> eam => "c" (https://eval.in/301796)
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<dogweather> weaksauce: It's the 'replace' keyword/function.
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<dogweather> Here's an example of it in use: https://gist.github.com/dogweather/a39e71e19cab2d330fd1
<weaksauce> thanks dogweather
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<eam> >> class String; def pop!; self.slice!(-1); end; end; s = "abc"; s.pop!
<eval-in_> eam => "c" (https://eval.in/301799)
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<eam> >> class String; def pop!; self.slice!(-1); end; end; s = "abc"; [s.pop!, s]
<eval-in_> eam => ["c", "ab"] (https://eval.in/301800)
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<weaksauce> basic way to do it for arbitrary pop values
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<mistermocha> I'm still way confused as to what 'symbols' are ... can someone explain?
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<mistermocha> or send docs?
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<weaksauce> mistermocha they are basically strings that all point to the same object
<weaksauce> "this" and "this" are two different objects in ruby and have to be created
<weaksauce> whereas :this and :this point to the same object
<mistermocha> weaksauce: are they scoped? will a symbol defined in one place point to the same object if defined elsewhere?
<jhass> mistermocha: ruby is your first language or do we have something to relate to?
<weaksauce> I think they are immutable mistermocha and would refer to the same object regardless of location but I am not sure
<mistermocha> jhass: python is my strongest, perl is my first
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<eam> mistermocha: it's exactly the same as perl symbols
<monsieurp> jhass: there, a question for you: is there something like cpantesters for ruby that is NOT travis-ci?
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<monsieurp> (let's see what you come up with this time round)
<jhass> troll?
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<monsieurp> travis-ci?
<monsieurp> :D
<eam> mistermocha: perldoc Symbol
<jhass> you're close to a free ignore list entry, just sayin'
<mistermocha> eam: yeah reading ... been ***ages*** since I wrote any perl
<jhass> eam: so ruby stole symbols from perl actually? got to remember that
<eam> well, also from C really
<eam> they're all string names which reference an object/address
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<mistermocha> and I don't think I recall ever using symbols in any capacity in perl back in the day
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<mistermocha> and I don't think I recall ever using symbols in any capacity in perl back in the day?
<jhass> mistermocha: so, we use symbols as identifying values, one prominent example is to emulate keyword arguments (although we do have them proper these days): def foo(opts={}); do_x if opts[:do_x]; end; foo(doo_x: true)
<mistermocha> whoops
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<mistermocha> so does this make symbols global variables too?
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<jhass> no, they're global, but they're values
<jhass> they don't point to objects, they're objects themselves
<jhass> they're also immutable
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<mistermocha> ok I think I see ...
<mistermocha> it's not like a variable foo that gets assigned the value of "bar",
<mistermocha> but the symbol :foo will always be the same thing
<mistermocha> and that thing is a string
<mistermocha> well not exactly a string
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<jhass> you use a string to store stuff in it
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<jhass> you use a symbol to "recognize" it
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<jhass> state == :offline
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<jhass> puts "foo".upcase
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<eam> mistermocha: perl -wle'print for %::' # show the perl symbol table
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<eam> when you write stuff like $Foo::bar, there's a symbol Foo::bar
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<Guest46846> Hey guys.
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<Vert`> I'm looking for a regex to match part of a string, and pass the remainder as an argument.
<eam> same thing in ruby, everything with a name is referenced by the symbol
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<Vert`> Could anyone give me pointers?
<eam> >> def whatever; "see?"; end; send :whatever # send the symbol "whatever" to "main"
<eval-in_> eam => "see?" (https://eval.in/301807)
<eam> conceptually the same as perl -wle'sub foo { "see?" }; print main->foo'
<jhass> Vert`: match the remainder with a capture group and use that
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<eam> mistermocha: in perl strings and symbols and barewords are much more conflated
<Vert`> Which function should I be looking at?
<Vert`> Actually let me explain the use case, maybe regex isn't what I should be looking at in the first place
<jhass> Vert`: plain String/Regexp#match
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<jhass> but yeah, describing your goal sounds awesome
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<Vert`> I'm passing phrases with commands to a bot. The phrases come in to a case/when, where I intend to use regex to match the left part of the string to find the command, and on a match I then want to use the rest of the phrase as parameters.
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<jhass> so basically separate on the first whitespace?
<Vert`> Basically.
<jhass> command, params = input.split(\s+, 2)
<jhass> er
<jhass> command, params = input.split(/\s+/, 2)
<Vert`> Thanks, I'm gonna keep that in mind.
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<Vert`> But just in case I start using commands that /do/ involve a whitespace, what should I do?
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<jhass> I just write regular expressions that match the whole thing, one for each command, and extract the parameters to match groups
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<jhass> did you take a look at cinchrb btw?
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<Vert`> No I did not, I've never heard of cinchrb?
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<Vert`> Oh!
<Vert`> Yes I'm using that :)
<jhass> uh, well, just do a separate plugin/handler for each plugin?
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<jhass> it already nicely passes you the capture groups as parameters
<jhass> *for each command I mean
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<apeiros_> butler had a word-matching mechanism
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<Vert`> You mean with on :message, "phrase"?
<jhass> apeiros_: mmh, DeBot has hangman now though
<jhass> Vert`: you can put a regexp there
<Vert`> I see.
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<Vert`> Cause ordinarily it matches a complete string, correct?
<Vert`> I guess I should trim the left word using a regex then..
<apeiros_> trunk also had a Dialog class, which encapsulated messages between a user and the bot into a simple send/receive
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<rpad> Does anyone who uses Thor know how I would go about loading a custom configuration file into all commands?
<nerium> Anyone knows a good way to parse content from a string without using regexp?
<jhass> nerium: no
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<nerium> hmm, okay
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<catsoup> well, you could use grep if your wants are very simple
<jhass> nerium: we do might have alternatives for your specific case though
<catsoup> it depends really on how you want to parse it
<Vert`> jhass, so I'm getting this right, I should match the :message argument to a regex that contains the command I want to match on the left part of the string?
<Vert`> I.e. have it search for a literal phrase?
<nerium> I'm trying to parse data from a document and regexp is getting to completed
<nerium> *compilcated
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<jhass> Vert`: did you look at the example I linked?
<jhass> nerium: yeah, but specific I mean, like specific
<jhass> *by
<jhass> you just restated "I parse some data"
<Vert`> I missed that, but that's very helpful
<Vert`> Thanks a lot jhass
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<nerium> jhass: I'm not sure what you mean my specific. It's just arbitrary, structured data from a document and I'm looking for a tool that can do this for me
<jhass> sounds like a description of regular expression so far
<nerium> jhass: Here's the current regexp https://gist.github.com/oleander/64c70c91a8b96080fdbf
<jhass> but could also mean CSV, dunno
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<nerium> just to get you a hint of the complexity
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<apeiros_> hehe, only 8 years old: https://gist.github.com/apeiros/10a1120c0ff14863acea
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<apeiros_> wouldn't write code like that anymore. but still think the overall design was pretty elegant.
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<apeiros_> that's the access plugin. after __END__ are the triggers and localizations
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<jhass> nerium: I'd need to stare a while, ideally at example input too, but those repeated = and \n give me a sense of some .lines / each_slice / split stuff could work
<a5i> Hey jhass
<a5i> Guess what? :D
<nerium> jhass: I just wanted to show you that regexp is not the tool for the job. I'm looking for a BNF like tool
<mistermocha> yay, I get to go from my curiousity question to my runtime question
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<apeiros_> nerium: guess what, BNF is regular
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<mistermocha> require 'gemname' throws an error:
<apeiros_> and I wouldn't wonder if there were BNF -> PCRE translators around
<mistermocha> `require': cannot load such file -- gemname
<mistermocha> far as I know, the gem is installed
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<catsoup> permissons?
<mistermocha> shouldn't be
<catsoup> mistermocha:
<jhass> mistermocha: gem which gemname says what?
<jhass> on your shell
<nerium> apeiros_: Yeah, but I don't have to real with details, which is the point I'm trying to prove
<jhass> also gem list has it?
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<a5i> Ayedarma pl0x
<mistermocha> in this case, it's beaker-rspec loading serverspec
<apeiros_> jhass: did that guy ask for help?
<jhass> apeiros_: hm?
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<mistermocha> developing for puppet modules, been doing the same pattern throughout, and this happens
<apeiros_> jhass: nevermind. I guess you already did what I do now.
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<jhass> my ignore list is empty, so not sure I follow
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<mistermocha> jhass: serverspec is being called by beaker-rspec ... both are installed
<apeiros_> jhass: that was what I meant
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<mistermocha> catsoup: I've installed everything as me and haven't had any problem on any other modules I've worked on
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<catsoup> mistermocha: fair enough, bitter experience leads me to permissions as a first stop :-)
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<jhass> mistermocha: if you want any help, do the following: go to gist.github.com, creating a gist with multiple files: 1) full error message with backtrace 2) output of gem list 3) output of gem env 4) if 1) is a LoadError output of gem which that_file
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<mistermocha> jhass: ok gimme a sec so I can scrub some *my_company* stuff from a gist
<jhass> sure, take your time
<mistermocha> sorry sometimes I hope to get generic answers to generic questions...
<jhass> setup issues aren't generic, else they would be bugs
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<a5i> Is anyone available to help with this weird error? https://gist.github.com/Ap0ph1s/c5183758645b6a5b3683
<catsoup> it's not one weird trick to help us lose weight, is it? :-)
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<jhass> a5i: it's late (early?) enough I think, try pinging FooBarWidget
<mistermocha> jhass: https://gist.github.com/mistermocha/d10fab342f2eca2525fe ... I'm not bothering to copy out files in dependent gems, but perhaps should post my Gemfile and Rakefile...
<jhass> (in #passenger)
<mistermocha> jhass: if you do need more though, let me know
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<jhass> mistermocha: that's 1 of 4 I requested ;)
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<jhass> oh, didn't realize he's CET
<jhass> bad luck
* mistermocha sighs at himself for being a bad reader
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<jhass> mistermocha: good thing gists have an edit function!
<mistermocha> jhass: lolz ... btw, stdout is there (although it's probably stderr) which has the stack
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<jhass> mistermocha: yes, that's the 1 ;D
<jhass> I actually took a look!
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<mistermocha> ok 2 & 3 done, but I'm confused on 4
<mistermocha> LoadError output?
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<jhass> gem which sererspec
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<jhass> *serverspec, damn typos
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<Daikan> What are some good massive user uploaded material amateur porn sites other than the usual imagefap.com / x.fap.to, nudedphotos.com, etc
<Radar> what the fuck
<Daikan> oh and http://sexmenu.us
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<Daikan> i thought some of you nerds might know
<Daikan> you mean, you don't know about the porn star ruby?
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<mistermocha> jhass: ok, complied with 1-4 ... I really appreciate your patience
* mistermocha will continue to see what he can figure out on his end
<Daikan> sorry
<Daikan> i'm sorry you took offense, there were penty of porn xdcc channels on the dcc search engine
<Daikan> freenode seemed like a big network so i thought it had warez and porn since it was so large
<jhass> mistermocha: mkay, that looks all fine and dandy, you mentioned a Gemfile, would you mind to post the .lock too?
<apeiros_> Daikan: this is not the right channel.
<Daikan> k, where can I get help with what to find on http://pre.corrupt-net.org
<Radar> Yay apeiros_ our saviour
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<jhass> Daikan: how's your ruby going though?
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<jhass> aw
<csaunders> probably the same person who was lamer last night
<mistermocha> jhass: ok ... super long
<mistermocha> I wonder if there's anything to be missed from here ...
<jhass> I wanted to ask why they don't code porn search engine in ruby!
<csaunders> haha
<csaunders> wouldn't scale :P
<jhass> who cares!
<mistermocha> beaker-rspec refers to rspec about 200 times
<jhass> csaunders: nobody looks beyond the second result anyway, they could be all fake
<csaunders> haha
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<jhass> mistermocha: uh, so gonna post the .lock?
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<mistermocha> jhass: working on it ... it's long
<jhass> huh
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<jhass> mistermocha: actually nvm, bundle which serverspec would be nice already
<jhass> I think it was bundle which too, I always forget that one
<apeiros_> Radar: you mean our brutal tyrant cop?
<Radar> apeiros_: Yes.
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<mistermocha> jhass: Could not find command "which".
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<jhass> ah, see!
<jhass> it's show
<jhass> bundle show serverspec
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<mistermocha> lolz
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<mistermocha> jhass: ok added Gemfile.lock, but the number of "rspec" gemspecs under beaker-rspec may be wrong ...
<mistermocha> because I'm paging through less
<mistermocha> eh?
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<mistermocha> jhass: Could not find gem 'serverspec'.
<jhass> mistermocha: uh, no serverspec in it?
<jhass> there's your problem!
<jhass> serverspec isn't in your bundle!
<mistermocha> there's the rub ... but wtf!?
<jhass> man, I made that way harder than necessary, sorry
<mistermocha> I copied over the Gemfile from another module
<mistermocha> jhass: that's why I start with the small question ... sometimes just getting the small question hints at the easy answer
<jhass> echo "gem 'serverspec'" >> Gemfile && bundle
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<mistermocha> jhass: even easier than that ... I blew away my Gemfile.lock and re-bundle-install'ed, now she works
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<jhass> oO
<jhass> I don't think you're using bundler correctly :P
<mistermocha> I did a bundle install on the stock Gemfile for the module, had no love, copied over the Gemfile that I'm using across the board on all my modules, bundle install'ed again, and got that stack
<jhass> might just gem install -g
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<mistermocha> so there was cruft installs from the first pass
<mistermocha> that apparently broke things
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<mistermocha> yay! home again, home again, jiggety jig
<mistermocha> jhass: thanks again for your patience and help
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<jhass> you're welcome
<mistermocha> if nothing else, you showed me lots more about how to troubleshoot and what to look at when things go awry
<mistermocha> and THAT is worth the wait
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<mistermocha> now I have to delete this gist
<jhass> sure
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<blahwoop> hey everyone. i'm writing some exercises for an intro to ruby class. does anyone know of any cool problems similar to finding a leap year in a range of years?
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<zenspider> you can work through the ruby koans or do project euler (mathy)
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<baweaver> codewars if you want more magical points
<baweaver> projectrosalind.info for biomedical problems
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<baweaver> euler is nice, but a lot of it involves high level math so remember that's a thing
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<baweaver> maybe your class has the prereqs, but if it doesn't....
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<baweaver> http://www.nostarch.com/wcruby.htm - This is actually a pretty good one
<baweaver> gets to the more practical usages
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<workmad3> blahwoop: I'm not sure I'd class 'finding a leap year in a range of years' is a cool problem... it's an annoying nightmare of a problem that's dependent on what the years in question are and what geographical location you're in
<blahwoop> cool thanks
<workmad3> blahwoop: unless you're only interested in the gregorian calendar rule anyway :)
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<blahwoop> yes
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<blahwoop> the if its divisible by 4 but not divisible by 100 and divisible by 400 then it's a leap year
<blahwoop> that type of convolutedness
<blahwoop> would be best lol
<wallerdev> i had that as an interview question once
<wallerdev> at MS
<a5i> jhass, do you have any idea?
<blahwoop> baweaver: that's a cool book
<workmad3> blahwoop: unless the year is less than 1582 in the UK, up to 1917 in turkey
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<baweaver> Honestly I never saw the point of convoluted interview questions
<workmad3> blahwoop: before 1582 in the UK, the julian calendar was in place so any year divisible by 4 was a leap year ;)
<blahwoop> me either
<baweaver> when are you ever going to write a sorting algorithm or reverse a string with recursion?
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<blahwoop> workmad3: that would've made it alot easier
<wallerdev> theyre just trying to make sure you have a grasp of core concepts i guess
<baweaver> At least use something practical such as Levenshtein distance for database discrepancies and spelling correction
<workmad3> blahwoop: and before 1917 in turkey, they used an islamic calendar that I don't know even had the concept of a leap year
<jhass> a5i: nope
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<workmad3> blahwoop: it was a lot easier... it was also a lot more wrong and by 1582 had caused seasons to shift through the calendar
<a5i> sigh :(
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<baweaver> Really I don't want to test rote memorization of CS concepts, I want to test thinking patterns
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<baweaver> If you're not going to write it in a job, why write it in an interview?
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<baweaver> I mean sure, you can write a Quick sort, but on the job you're far more likely to do some form of data munging / formatting
<baweaver> so test on that
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<blahwoop> or bring u in to work for a week
<blahwoop> paid
<baweaver> No one has time for that though :/
<workmad3> baweaver: yeah, I prefer open-ended design type questions in an interview to examine how people approach a problem, maybe coupled with some fairly simple coding questions so that you can ascertain that someone isn't stumped by basic syntax :)
<baweaver> if they're already working
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<baweaver> I just tell people I can be a man page for basic syntax
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<baweaver> I want to know if you can solve a problem
<a5i> Anyone else welcome to try to help me on this issue: https://gist.github.com/Ap0ph1s/c5183758645b6a5b3683
<baweaver> so if you say something like I know I need a method that does X I don't hesitate to mention it.
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<workmad3> baweaver: sure, I wouldn't criticise on inability to instantly recall stdlib methods or something like that... I'm talking about being able to at least follow and grok fairly basic stuff like loops and conditionals (this is a byproduct of so many people seeing that a lot of good devs are self-taught, so think it's not that difficult and throw their CV/resume at jobs, faking their way through to the point of
<workmad3> consideration)
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<baweaver> Yeah, if they ask I tend to tell them syntax bits
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<baweaver> because when you're developing you have docs around
<baweaver> for instance, I don't use Python daily
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<baweaver> but given docs I can be effective in it again immediately.
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<baweaver> No point in committing things to memory you aren't doing on a daily basis
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<baweaver> For instance, if I'm interviewing for a prod engineer position or SRE or the like
<baweaver> I'm working on a dev stack all day long
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<baweaver> the chances I immediately remember more than rudimentary systems knowledge off the top of my head are slim
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<baweaver> I relegate them to reference books (Unix Power Tools, TCP/IP System Administration, etc) or man pages
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<baweaver> doesn't mean I don't know it, but that I see no need in keeping that all in my head while working a straight Ruby/Rails/JS dev stack
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<baweaver> (this granted that I used to be administering OpenBSD / Debian / FreeBSD boxen)
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<workmad3> baweaver: sure... I've pushed a lot of that knowledge out into chef cookbooks personally :)
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<workmad3> baweaver: frequently it's stuff I've picked up purely so I can push it straight out into a chef cookbook :)
<baweaver> yeah, the true mark of an effective dev is one who doesn't memorize, but develops a pattern of thinking and a reference collection
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<baweaver> and hopefully comments things for later
<baweaver> most can't remember code they wrote last month
<workmad3> baweaver: they internalize techniques and thinking patterns, but don't rote memorize changable details like framework interfaces
<baweaver> bingo
<baweaver> which is why I really hate interviews
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<baweaver> I don't need to recite man pages from memory, it does no good and wastes everyones time.
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<workmad3> baweaver: annoyingly, I can't seem to stop myself from memorizing the changeable details too... but I also then seem to be ok at remembering when they changed and what they changed to :)
<baweaver> There are some things I wish I didn't still have memorized
<baweaver> such as the IP addresses of some 1400 wireless antennas, their access points, and down to most of the mac address patterns
<zenspider> I disagree that there is "THE true mark" for an effective dev. everyone is different. tenderlove and I couldn't be more different, but we're both effective devs.
<baweaver> granted
<workmad3> baweaver: or the airspeed of an unladen swallow? :)
<baweaver> african or european?
<workmad3> both :P
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<baweaver> I'm just heavily of the opinion that memorization isn't a good metric
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<baweaver> also most of what made me dislike standardized testing in general
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<workmad3> baweaver: that said, there does seem to be some compelling research that people who can quickly draw on a body of knowledge (such as that gained through memorisation) are more likely to exhibit traits classed as intelligence
<baweaver> zenspider: I guess what I'm getting at is that some work well with memory and others work well with reference. Does that make the latter a bad dev? I'd say not.
<baweaver> I tend to focus on my current domain and relegate anything else to man pages and reference
<baweaver> because that's what I'll need to get a job done.
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<baweaver> give me all of a week and I can be back to an effective level in Python, C#, Perl, Chef, Systems, and a number of other things.
<baweaver> and that's only because I'd be spending an extra few seconds looking at docs while I warm back up.
<workmad3> baweaver: I do wonder if it's that sort of research that gets corrupted by politics and turned into 'memorization is easy to test, and memorization goes with intelligence, therefore if we test memorization and grade on that, it's a good proxy for intelligence', followed very quickly by people who don't follow that reasoning, see tests for memorization and conclude that memorization of details == intelligenc
<workmad3> e
<baweaver> For instance, I destroy IQ tests but don't do well with the ACT
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<workmad3> or maybe it's purely down to "If you tell me what you're measuring, I'll tell you how I'll act" type human behaviour
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<baweaver> It's slightly annoying that larger companies want the memorization route
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<baweaver> $WORK interviewed me on previous work and actual problems
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