<agent_white>
Hahah I was curious if that was blocked... :D
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<shevy>
you hacker
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<agent_white>
such h4x
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<irishcoder4>
Does anyone have a favorite lib for css selectors and xpath?
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<benzrf>
nokogiri seems like what everyone uses
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<irishcoder4>
Ok, that is what I'm seeing everywhere. Thanks.
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<bricker`LA>
What do you guys set the version number to on the development branch? I've been trying to keep it at the "next" version but that ends up getting way too confusing.
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<bnagy>
I use whatever it would be
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<bnagy>
like if next is going to be 2.2 and master is 2.1 then.. use 2.2
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<pipework>
bricker`LA: I typically only change version numbers on my release branch, whatever that is.
<pipework>
Until then, I don't usually bump in my development branches.
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<Robbo_>
what is the main used deployment script for ruby?
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<Robbo_>
as in running shh tasks
<Robbo_>
ssh even
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<centrx>
Robbo_, huh?
<Robbo_>
nvm
<blackjid>
Hi! How can I hide the cursos in the command line with ruby? I tried Curses::curs_set(0) but that clears up the whole screen... any other approach?
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<bnagy>
not sure what you're asking
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<bnagy>
you mean in irb, or you mean for a running ruby program?
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<blackjid>
bnagy I'm writing a CLI tool with ruby
<pipework>
Have you considered extending the acronym one more letter to the right?
<bnagy>
blackjid: ok well ruby doesn't produce any 'cursors' by itself
<bnagy>
anyway, afaik your only real options are line-by-line demand and parse, which is ( from memory ) highline and friends
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<bnagy>
next you can just extend an existing REPL like irb or pry
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<bnagy>
finally you have to own the whole terminal with eg curses, but imvho that approach is for the birds
<pipework>
bnagy: It sure produced cursers though. :D
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<bnagy>
I've used termbox from Go, but not from ruby.. I liked it though
<bnagy>
anyway it's easier to write a basic GUI than a curses TUI
<pipework>
bnagy: Yeah, but unless it's a TUI, who cares? :D
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<bnagy>
QQ
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<pipework>
ZZ
<bnagy>
pff vim heretics
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<pipework>
:D
<popl>
The 1990s called, they want their controversy back.
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<pipework>
:!apt-get purge emacs
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<pipework>
popl: It's a war for the ages.
<bnagy>
true story - my first 6 months of using sublime I would end up with :w littered throughout my code
<bnagy>
popl: I'm actually arguing about ZZ vs wq not vim vs world
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<bnagy>
so it's a micro-controversy
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<blackjid>
i'm using io/console to write and get input from stdin and stdout, also to getch from user
<bnagy>
yeah that approach is what the highline family of gems is for
<bnagy>
it also sucks, imho, but enjoy
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<bnagy>
there's another family that is made for adding your stuff to eg irb, so you get to leverage the REPL which is a LOT of the shitty heavy lifting
<bnagy>
but I can't remember what they're called :/
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<bnagy>
blackjid: what does the app actually do?
<blackjid>
really I'm working on top of this https://github.com/arlimus/inquirer.rb is a ruby port from inquirer.js which is a very nice library to have interactive user promts
<popl>
bnagy: There are probably splinter sects waging war about that
<popl>
.
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<popl>
Instead of shelling out I usually just ctrl-z.
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<popl>
unless I need to filter something
<blackjid>
I want to add some funcionality, and one thing I want to do is to hide the cursor while I'm in a prompt that expect to selection from options with arrow keys
<bnagy>
I don't know which caret you are talking about, but whoever wrote that gem knows how to lay stuff out - like I 'get' it after only a quick look
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<popl>
bnagy: Is the shark sanctuary as cool as it sounds?
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<bnagy>
popl: yeah, it is a very weird place
<blackjid>
mmm
<bnagy>
well it's not like a sanctuary you go and see
<popl>
right
<bnagy>
it's just 'not allowed to kill sharks'
<popl>
right
<popl>
I wonder if the sharks figured that out.
<blackjid>
if you git clone git@github.com:arlimus/inquirer.rb.git
<bnagy>
blackjid: can you give me an example based on the screenshots on the gem or something, or describe exactly how your hide behaviour is different from what it does now?
<blackjid>
and then run uby -Ilib example/list.rb
<bnagy>
I can see the example png
<blackjid>
your are going to get the same as the screenshot for the list prompt but with a new line with a white rectangle
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<bnagy>
ok, so like a waiting-for-input
<blackjid>
right!
<blackjid>
I want to hide that..
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<bnagy>
I guess it must be part of the list ask
<bnagy>
looks like it's just the footer
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<bnagy>
wait are you sure it's not YOUR terminal's prompt?
<bnagy>
eg mine colors the current terminal cursor position
<blackjid>
mm, maybe... I mean, probably...
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<bnagy>
like all I can see as a default footer is ' '
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<bnagy>
ugh no it's not even, it's a 0 length string
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<bnagy>
ok now I think I know what's going on at least
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<blackjid>
yea?
<bnagy>
yeah, it's your terminal drawing that
<bnagy>
the curses approach is going to be just sending the correct ansi codes
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<bnagy>
so you only need curses to save you all the pain in the ass of getting $TERM and working out which code to send
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<bnagy>
like ^[25l or whatever
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<bnagy>
wonder if you can stty
<blackjid>
So, I don't know if I fully understand... Can I control whats being drawn by my terminal from withing that ruby script??
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<blackjid>
there is a line thats doing system "stty #{old_state}"
<blackjid>
iohelper:50
<bnagy>
blackjid: this might work...
<bnagy>
you can use tput to get the right code
<bnagy>
`tput civis`
<bnagy>
=> "\e[?25l"
<bnagy>
(for me)
<bnagy>
try in irb
<bnagy>
do print (whatever string you get) or just print `tput civis`
<bnagy>
but remember that will turn it off for that whole terminal session, until you turn it back on
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<blackjid>
irb(main):001:0> `tput civis`
<blackjid>
=> "\e[?25l"
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<bnagy>
yeah.. you need to print that though
<bnagy>
to send it to the terminal
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<blackjid>
wow!
<blackjid>
it dissapead
<blackjid>
!
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<bnagy>
turn it back on with the same process but cnorm
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<blackjid>
wow!... thanks!!!
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<blackjid>
civis is cursor invisible?? and cnorm cursor normar??
<bnagy>
I can't vouch for the avilability of tput on every *nix, but I think your odds are good
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<blackjid>
why does this work???
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<bnagy>
it's two parts
<bnagy>
tput tells you the ansi escape code needed for your current $TERM
<bnagy>
apparently we're both on vt100-ish
<bnagy>
then printing that escape code first gets read by the terminal ( that's what escapes are ) and parsed as a special-thing
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<bnagy>
so instead of blatting that char to stdout it parses it and does what you asked, which is make the cursor invisible
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<bnagy>
\r or \n are the same
<bnagy>
just less spectacular
<blackjid>
right... :)
<blackjid>
hey thanks!!!
<bnagy>
no worries, TIL about tput, so that's a win
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<blackjid>
when I finish my pull request to inquirer.rb I'll let you know if I found you here... :) thanks again!..
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<mordof>
I don't really know much of anything about ruby.. only that i've had a number of people recommend i start learning it. I know rails can handle website dev - but i'm curious, what other things generally would fall into Ruby's domain for "what's good to make" with it?
<mordof>
at least from what i know, i don't think it's just website stuff - right?
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<centrx>
mordof, Anything
<centrx>
mordof, Not the best for Windows desktop applications
<centrx>
mordof, Or high-performance games
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<mordof>
does it compile entirely, or is it similar in a way to a java application (needing run-time stuff)?
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<mordof>
or interpreted, i suppose is the third option it could be
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<centrx>
mordof, Ruby is an interpreted language. The default interpreter (MRI) requires the ruby program.
<centrx>
mordof, JRuby will do it on the JVM. mruby is a new thing, a limited subset that will compile to C.
<mordof>
ahh, ok
<mordof>
centrx: good to know, thanks :)
<centrx>
There are also things that will compile/translate it to Javascript, etc.
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<mordof>
odd.. heh
<mordof>
that's not referring to Coffeescript in rails though right? you're talking about actually writing normal Ruby and having it spit out js?
<mordof>
can't say i trust anything like that, no matter what language it is
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<certainty>
shevy: long live rugby?
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<mox_>
Im working on a scorecard project at the office, and I have to deal with tons of different excel workbooks.
<mox_>
What would be the best way to make a scorecard card that collects automaticcaly to those excel files without intervention. What programming langage would suit me best or what alternatives
<mox_>
do I have?
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<apeiros>
mox_: VBA
* apeiros
hides
<abdulsattar>
Is there a way I can get current_user (the user that is signed in) in Cucumber step definitions?
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<mox_>
would it be slow like excel? or it would make everything more faster?
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<apeiros>
abdulsattar: #rubyonrails ?
<abdulsattar>
ok, sorry
<apeiros>
abdulsattar: also, a) yes, of course, b) how depends *a lot* on how you actually implement 'current_user'.
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<shevy>
ImportError: No module named dsextras
<shevy>
I hate python
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<apeiros>
shevy: yousssss dontsssss ssssspeakssss the sssslanguage?
<shevy>
there was a sudden error, now gimp suddenly no longer works in the way it did an hour ago
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<crome>
I think its the point of gimp
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<crome>
it doesnt really work the way you expect it would
<shevy>
I hate gimp as well
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<shevy>
actually I hate that there are so few alternatives to gimp
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<workmad3>
shevy: you have a hex editor? just create jpgs directly!
<Robbo_>
so umm, I have been working locally with ruby etc but now need to deploy and realized I don't know how
<Robbo_>
what webserver should I be using?
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<shevy>
File "/usr/lib/gimp/2.0/python/gimpfu.py", line 76, in <module>
<shevy>
ImportError: could not import pygtk
<Robbo_>
I got all the ruby things installed and working on the server
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<shevy>
workmad3 don't tempt me, I may add a ruby-commandline image maker eventually
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<abdulsattar>
Robbo_: people generally reverse proxy nginx to your server
<shevy>
I actually need to do only a bit of cropping, and sharpening. could do that with imagemagick probably
<shevy>
damn gimp
<workmad3>
Robbo_: if you're talking rails or another rack framework, there are several options... it's fairly typical to use nginx nowadays although apache is also a valid choice... and then it's either passenger as a module in nginx or apache, or reverse proxy to e.g. unicorn or puma
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<Robbo_>
well I already use nginx so that would be a good choice
<Robbo_>
I'll get to the googling
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<Robbo_>
thanks
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<workmad3>
Robbo_: plenty of people in #rubyonrails will talk your ear off on server setup if you ask nicely :)
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<Robbo_>
I'm not using rails
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<crome>
Robbo_: puma is a fashionable choice nowadays
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<Robbo_>
I am seeing a lot of results for thin
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<workmad3>
Robbo_: so? rails is still a rack app, the server config is the same
<Robbo_>
I'll use nginx and proxy to puma
<shevy>
workmad3 you just convinced me, I will eventually start a new rubygem project that does fancy and simplified image manipulation - which surely can be done in rmagick and imagemagick, I'll just make it so braindead that even noobs can use it without having to think much about it
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<Robbo_>
it isn't too important to have the best ever atm anyway, that comes when more stuff is moved to ruby and they can hire someone who knows more than me
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<shevy>
hehe
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<workmad3>
shevy: that's worrying... I need to be more careful with my jokes and sarcasm if they can be that influential!
<gaussblurinc>
does ruby understand path with tilde (~)?
<shevy>
gaussblurinc yeah, File.expand_path '~'
<crome>
gaussblurinc: feel fry to try it in irb
<shevy>
you need to replace them usually though
<shevy>
like via expand_path
<bnagy>
the same as your shell does, btw. ~ is not magic
<shevy>
File.stat '~/diamond_shell_history'
<shevy>
Errno::ENOENT: No such file or directory @ rb_file_s_stat - ~/diamond_shell_history
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<phazer>
i keep getting this error: constant Logger::Format not defined (NameError)
<phazer>
and no idea where it comes from.
<phazer>
actually im a total ruby newbie n00b
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<phazer>
any help is much appreciated
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<ghr>
what are you requiring in line 10?
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<phazer>
ghr: action_mailer
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<phazer>
ghr: env.rb in the gist comment
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<phazer>
*shrug*
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* ghr
shrug :)
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<ghr>
I'm guessing Logger::Format is used in ActionMailer somewhere but the file you're loading doesn't have that included anywhere
<ghr>
not sure sorry
<prosperva>
i love ruby and have been playing around with it for one year
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<prosperva>
i have developed an invoice system with ruby on rails but would like to master it and i am wondering what are the best ways to do that
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<dachi>
Hello. I am upgrading a fairly huge app (205 MB) from 1.9 to 2.1.0. Do you know if Psych can read Syck format for metadata?
<phazer>
ghr: well. when commenting out the action_mailer.. it should "work" ... but then the error got raised by the next include. its something somewhere else
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* phazer
smashes head on the table
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<workmad3>
phazer: have you installed cucumber-rails?
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<phazer>
workmad3: hm
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<phazer>
workmad3: Using cucumber-rails (1.3.0)
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<workmad3>
phazer: ok, make sure that's required close to the top of env/support.rb
<workmad3>
phazer: and don't require action_mailer directly
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<phazer>
workmad3: just a guess in the wild from a noob - requiring it on the top of the env.rb because later required librarys have dependencies to the cucumber rails lib. eh?
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<workmad3>
phazer: not exactly dependencies... but cucumber rails sets up your process to run cucumber in a rails context
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<rdark>
even though the default task points to a single task
<soahccc>
Google really don't want me to use ruby stdlib for it's API :( This whole oauth crap is really a pain
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<soahccc>
Okay google you won, I build my own shortener :/
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<blackjid>
bnagy are you there?
<workmad3>
soahccc: couldn't you use a different shortener? bitly or tinyurl?
<apeiros>
workmad3: NIH!
<soahccc>
workmad3: they don't support statistics as far as I know
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<soahccc>
I already can shorten links with google but despite API key (which has no use here whatsoever) it doesn't show up in my dashboard, I need more auth for this
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<workmad3>
soahccc: so why not use one of the oauth libraries?
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<soahccc>
I want it to be a one-file script without Gemfile and all that stuff
<blackjid>
bnagy don't worry :P
<apeiros>
embedded gemfile!
<apeiros>
curious… I bet you could use bundler that way
<workmad3>
apeiros: hmm... could be kinda cool if you could use the data section as a gemfile :)
<apeiros>
workmad3: nooo!
<apeiros>
I mean, yes, but no
<apeiros>
I want to either pass a string or a block. they can provide a convenience constructor which takes the string from DATA
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<soahccc>
Okay I just screw it and use a gem, no single file then
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<dachi>
Can anyone do $gem install be_valid_asset -v '1.1.2' ? I get ERROR: While executing gem ... (Gem::RemoteFetcher::FetchError) ;(((
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<workmad3>
AlexRussia: it'll be in the C code for the Kernel module
<AlexRussia>
workmad3: just irb don't have run kernel.`(<string>) , cause should some `
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<canton7-mac>
there is no method called kernel.`. backticks are syntax, and using them calls the c function rb_f_backquote
<AlexRussia>
RubyPanther: hi man
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<AlexRussia>
canton7-mac: sorry, but how to using method, called when i write `ls` or something like that?
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<canton7-mac>
I'm afraid I don't understand the question. To use backticks, you use them, like `ls`
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<AlexRussia>
canton7-mac: how to call Kernel method `?
<canton7-mac>
by using backticks
<AlexRussia>
`` ?
<canton7-mac>
`ls`, etc
<AlexRussia>
:(
<canton7-mac>
is that a probem?
<canton7-mac>
*problem
<apeiros>
canton7-mac: it's not just syntax, it's really a method
<apeiros>
Kernel.send(:`, 'ls -la') works
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<apeiros>
Kernel.`('ls -la') actually too
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<AlexRussia>
apeiros: lol, but in irb dont work last :(
<canton7-mac>
hmm doesn't for me - sits there waiting for the next backtick. maybe that's just irb getting confused
<apeiros>
AlexRussia: irb's parser isn't identical with ruby's
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<AlexRussia>
apeiros: ha
<canton7-mac>
ah yeah that does work
<canton7-mac>
my bad!
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<apeiros>
when in doubt, try with ruby -e 'yourcode'
<apeiros>
anyway, the common way to use it is indeed as canton7-mac already said - just quote the code with backticks
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<AlexRussia____>
my bad....internet connection :P
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<jim87>
Hello! I'm trying to install therubyracer using gem install therubyracer... I've installed python 2.7, still it won't recognise it throwing the following output: http://pastebin.com/RzEXBRyt
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<jim87>
may you please help me? Thanks!
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<AlexRussia____>
jim87: stop.you install therubyracer and talk about python?Oo
<workmad3>
jim87: are you installing therubyracer for rails asset pipeline stuff on windows?
<jim87>
workmad3: yep, unfortunately here at work I don't have linux :P
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<jim87>
I need it for lessc
<workmad3>
jim87: ah crap, less...
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<workmad3>
jim87: if it was for anything reasonable that just used execjs, you wouldn't need therubyracer... execjs can use scripthost on windows, so no need to install another js runtime
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<workmad3>
jim87: unfortunately, less isn't reasonable like that (it's part of the reason I never use less :)
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<jim87>
workmad3: less or sass help in maintaining things clean. Specially now that you can create maps for them
<workmad3>
jim87: agreed... I use sass, not less
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<workmad3>
jim87: sass doesn't need a js runtime in order to compile CSS ;)
<jim87>
workmad3: our designer is currently using Bootstrap as base, so I'd prefere using less instead of the sass' conversion
<workmad3>
jim87: and, more importantly, sass doesn't require a js runtime that allows you to call back into ruby code from JS in order to function (this is why less 'needs' therubyracer)
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<jim87>
workmad3: yeah, I know, I should switch to scss :P
<jim87>
soahccc: TBH I'd never trust a converted library
<soahccc>
it's offical :D
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<workmad3>
jim87: which is fine, as long as your designer isn't jumping straight onto bleeding-edge bootstrap updates :)
<jim87>
soahccc: yep, it's official, but they officially say they didn't made by hand
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<jim87>
workmad3: it's always good to have the latest release, in case of bug fixing... but they're not releasing a new version every day :P
<soahccc>
jim87: well the CSS at the end isn't made by hand as well
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<GreekFreak>
hi all
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<GreekFreak>
I would like to use Dir.mkdir("/directory/path/"), but I'm not sure how to tell it to create it as root.
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<benzrf>
GreekFreak: run the script with sud
<benzrf>
*sudo
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<canton7>
there's also FileUtils.chown - change the ownership after you've made t
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<gizmore>
isn´t there race condition exploit possible?
<GreekFreak>
benzrf, I've got that in a rake task (Ruby on Rails). so are you saying that I should run the rake task with sudo?
<GreekFreak>
canton7, I need to make it to change the ownership lol
<canton7>
"make it to change the ownership"?
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<GreekFreak>
canton7, It won't let me create the directory to begin with. And I need the directory to exist to change it's ownership (which I do want to do) lol
<canton7>
ah, the first bit was the bit you didn't say
<canton7>
if the user your script's running under doesn't have permission, then run your script under another user
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<ntz>
hello
<canton7>
like benzrf said
<canton7>
it'd be a bit of a security hole if there was an API command to circumvent file system security :P
<ntz>
i am completely not familiar with ruby (however I am familiar with another script languages) .. how can I extend a path, where ruby checks for its libs ? something like perl @INC or include for C ?
<apeiros>
ntz: $LOAD_PATH
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<apeiros>
plain ordinary array (can't assign, but can mutate)
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<GreekFreak>
canton7, agreed. But it doesn't let me to do "$sudo rake ..." It says sudo: rake: command not found
<canton7>
yay changeing environment stuffs
<ntz>
apeiros: thanks .. does it overwrite default paths ? i need to just add /opt/msma/puppet-34/usr/lib/ruby/site_ruby/1.8/
<apeiros>
ntz: it doesn't do anything. you do something to it :)
<canton7>
there's a flag to sudo to stop it mucking about with your environment so much. can't remember what it is off the top of my head
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<apeiros>
ntz: so if you want to keep the existing paths, then just modify it in a way which won't remove them. e.g. push your new path.
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<ntz>
apeiros: i don't know how
<ntz>
can you show me example ?
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<apeiros>
ntz: again, it's a normal array. how do you add a value to an array?
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<ntz>
i don't play with any ruby code
<ntz>
when I want to put something to array in perl i'd unshift or push
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<apeiros>
same here
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<apeiros>
well, IMO learn you some ruby. but here you go: $LOAD_PATH << 'new_path'
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<ntz>
apeiros: wait .. i'm fine to just write a wrapper launching our app
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<ntz>
i don't want to modify any code .. i need to run './foo' but it wants what is actually in /opt/msma/puppet-34/usr/lib/ruby/site_ruby/1.8/
<apeiros>
ruby -I
<ntz>
apeiros: i can put this to /usr/lib/ruby and it works then
<ntz>
okay, thanks !!!!
<Hanmac>
ntz i need to warn you but ruby1.8 is totally dead
<apeiros>
but it sounds to me like you installed your software badly
<apeiros>
you shouldn't have to use -I for installed stuff
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<ntz>
apeiros: great .. it works with -I .. i'm stupid .. i was looking on rubby --help before
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<ntz>
apeiros: and I was playing with -r
<apeiros>
ntz: well, again, it should not be necessary for something you've installed properly
<apeiros>
-r performs the actual loading
<apeiros>
-I adds paths to $LOAD_PATH
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<ntz>
apeiros: it is installed properly .. default installation of this thing (lib for a foo) just populates /usr/lib/ruby which we don't want, so we use --destdir=/opt/msma/foo
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<GreekFreak>
canton7, running system "sudo mkdir ..." seemed to work
<GreekFreak>
thanks guys
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<hfp>
Hey guys! So I'm training to code for interviews and I am stuck on a fizzbuzz question. This is my code: https://eval.in/123622. The fizz buzz counting part works fine on its own when passed three digits but the question also demands that it takes the values from a file with three numbers separated by a space on every line. When I run this script, it returns the three numbers on each line of the file but not the actual fizzbuz
<hfp>
z counting. What am I missing?
<gizmore>
i want to execute a shell command and print lines as soon as they are available... something like:
<gizmore>
system("git clone") do |line|
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<gizmore>
is this somehow possible?
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<apeiros>
hfp: `tr('\n', '')` <-- '\n' is not a newline
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<hfp>
gizmore: I'm no expert, but have a look at the each_line method
<apeiros>
hfp: '\n' is a literal backslash followed by a literal n
<apeiros>
"\n" <-- this is a newline
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<hfp>
apeiros: Oh...
<apeiros>
hfp: also, if you replace newlines with an empty string, why call .each_line on it afterwards? you don't have any lines anymore…
<gizmore>
hfp: i doubt it helps, but i think process_open is what i want... thanks anyway :)
<hfp>
apeiros: Right, I did this because each_line returns \n at the end of the string and this confused split
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<gizmore>
hfp: each_line with popen it is, i guess. Thx!
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<hfp>
apeiros: I removed the tr altogether but I'm still getting the same output
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<hfp>
How am I supposed to see what went wrong? Is there something that will show you what your variables and values look like after every line?
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<apeiros>
pry-byebug with ruby 2.0+
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<apeiros>
lets you step your code
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<apeiros>
hfp: you don't return result in the end
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<apeiros>
you return whatever .each_line returns
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<hfp>
so I should but an explicit `return` when I do the join?
<apeiros>
no, you should put that statement in the right place.
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<apeiros>
but you can try to put an explicit return there, to see and learn why that will create a new problem.
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<hfp>
Yes, I tried and it breaks the loop
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<ntz>
apeiros: completely resolved .. do you want to know how I did it ?
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<hfp>
apeiros: So my problem is that line 16 is never executed because the each loop always breaks on one of the ifs. Thus, it never gets to line 16 ever, correct?
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<alexherbo2>
Why spaces are used for function application and commas for argument ?
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<Hanmac>
alexherbo2: what do you mean?
<alexherbo2>
→ foo(1, 2) or even foo 1, 2
<alexherbo2>
→ foo 1 2
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<alexherbo2>
like Lisp or Haskell
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<apeiros>
alexherbo2: spaces are not used for function application
<apeiros>
and commas are used because the syntax was defined that way.
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<tobiasvl>
alexherbo2: parentheses are optional in ruby, commas are not
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<tobiasvl>
if you skip the parens, you need a space
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<tobiasvl>
spaces between commas are optional
<tobiasvl>
that should cover it ;)
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<alexherbo2>
tobiasvl: why commas are not optional ?
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<soahccc>
As I write a lot of coffescript atm I omit commas in multiline hashes a lot, doesn't work :(
<alexherbo2>
→ foo bar(1 2) 3
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<alexherbo2>
→ foo (bar 1 2) 3
<tobiasvl>
alexherbo2: weeeeell, good question.
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<apeiros>
alexherbo2: you can't just arbitrarily change syntax. that's why.
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<apeiros>
if you remove comas, lots of things will become ambiguous.
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<tobiasvl>
apeiros: what things though?
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<tobiasvl>
I was trying to think of an example
<Hanmac>
alexherbo2: lets replace it with variables not numbers: foo bar(a b) is parsed as: foo(bar(a(b))) ... thats why your plan does not work
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<workmad3>
tobiasvl: foo bar baz buzz... is that foo(bar baz buzz), foo(bar(baz(buzz))), ...?
<tobiasvl>
workmad3: of course there would have to be rules for precedence
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<apeiros>
alexherbo2: if you think you can come up with a better syntax, go ahead and create a language. if you want to code in coffescript syntax, go ahead, use coffeescript.
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<workmad3>
tobiasvl: there already are... but if the rules aren't reasonably easy, it's just really annoying to keep them in mind while decoding some arbitrary code :)
<apeiros>
syntax is all about tradeoffs.
<apeiros>
matz chose to use , as arg separator. that's about it.
<f0ster>
so, I have a string that looks like , "---\nclient_id: 29\nstreet: 1142 N 13th way\nstate: AZ\nzip: '10005'\nphone: 'xxxxxxx'\ncity: Phoenix", etc,I am trying to pull out a certain field of info, right now I am just doing lines = string.split("\n"), which gives me an array of each "entry", is there an easy way I can create a hash from this array ?
<apeiros>
there's IMO little point in questions like "why does ruby use syntax construct X?" - because matz chose to design the syntax that way. that's why.
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<apeiros>
f0ster: looks like yaml
<workmad3>
f0ster: that kinda looks like yaml...
<workmad3>
heh
<apeiros>
f0ster: YAML.load(yourstring)
<apeiros>
f0ster: pro-tip: figure what serialization your data uses instead of handrolling a parser which will fail.
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<f0ster>
ha I guess so, it is the object string from a Version record in papertrail
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<apeiros>
f0ster: I'm pretty sure the papertrail model has the deserialization built-in
<f0ster>
hmm
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<f0ster>
im doing a hack data recovery because one of the junior devs rewrote a bunch of values in the database in sql
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<f0ster>
but i have the original values when the records were created
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<gaussblurinc>
how to filter paths '.' and '..' directories in dir_object.each?
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<benzrf>
gaussblurinc: why not just do "next if ['.', '..'].include? dir"
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<crome>
I wish ruby came with Object#is_in?(collection) instead of doing it the other way around
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<gaussblurinc>
crome: so, which way?
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<apeiros>
crome: so Object has to know every possible type passed as `collection`? not very clever.
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<crome>
apeiros: not reaily, it could just call include? self on it :)
<crome>
half assed solutions ftw
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<apeiros>
ew
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<gaussblurinc>
and why not include no_upwards method to Dir?
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<crome>
apeiros: it wouldnt be too bad with a method on Enumerable
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<lolmaus>
Is there a standard method to convert a file size into a human readable format?
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<crome>
lolmaus: divide it :)
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<apeiros>
crome: Enumerable already has #include?
<apeiros>
and that's why you do enum.include?(value) and not value.is_in?(enum)
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<apeiros>
because it's the enums responsibility to know whether it contains a value or not. not the value's.
<apeiros>
lolmaus: activesupport has a method for it, human_number or somesuch. I keep forgetting the name.
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<lolmaus>
apeiros: thx
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<lolmaus>
apeiros: It's number_to_human_size and it's awesome, thank you.
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<gizmore>
i am writing an irc bot. I am creating a thread that shall system("git clone $args"). This thread shall be able to read the shell output when new lines are available... how would i achieve this best?
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<apeiros>
by not using system
<apeiros>
because that won't return you the output
<apeiros>
see popen
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<gizmore>
apeiros: i am trying with popen... getting broken pipes
<gizmore>
may i query you?
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<apeiros>
private consulting costs $250/h
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<gizmore>
hehe
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<hfp>
Hey, why is it that if I want to use Prime.new I have to also `require 'prime'` but if I do Random.new in another independent file I don't have to `require 'random'` ?
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<Hanmac>
hfp: Random is in core, while Prime is in stdlib
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<redlines>
what gem do people most often use for handling media transcodes?
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<RubyPanther>
redlines: I call out to ffmpeg
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<redlines>
just directly, with a shell command?
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<RubyPanther>
I'm not sure what the difference would be, normally it doesn't matter
<RubyPanther>
if you want to to things like read back the available formats, then I recommend popen3 or similar
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<RubyPanther>
Mostly I know what it will support, and I only need the exit value
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<SirFunk>
Anyone know a link to a good explanation of class/class instance/instance variables and how they work with class inheritance?
<redlines>
hmm, well i'm writing something that checks the audio bitrate of a file and transcodes if it it's above a certain value, so i think i'd need a ruby gem for that functionality anyway
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<SirFunk>
I'm trying to understand a way that a class can have a variable that can be overridden in a class that inherits it and there can be methods defined in the parent class that act upon the variable overridden in the child
<hfp>
Hanmac: Thanks. Is it safe to assume that if it's not in stdlib then it's in core?
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<Hanmac>
hm yo Random is in core
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<RubyPanther>
>> class Klass;@@omg = 'omg'; def self.omg;@@omg end end; class Klassy < Klass; @@omg = 'Ponies!!!' ; def self.omg; super end end ; Klassy.omg # SirFunk
<hfp>
Hanmac: Maybe that's why I was confused. I'm using http://devdocs.io/ruby and I guess they aggregate core with stdlib so it's hard to tell which is where without looking it up
<pineapple25>
hello could anyone help me pick a good ide for dev please?
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<Hanmac>
hfp hm yeah i think its better to use the primal source ;P
<hfp>
Hanmac: Understood!
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<Hanmac>
RubyPanther: ithink that shows it a bit more clean for SirFunk:
<Hanmac>
>> class Klass;@@omg = 'omg'; def self.omg;@@omg end end; class Klassy < Klass; @@omg = 'Ponies!!!' ; end ; Klass.omg
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<SirFunk>
RubyPanther: I think i got it
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<SirFunk>
I could have sworn I was doing something like that.... maybe active record is messing with something. I shall try again
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<RubyPanther>
SirFunk: Often people use an instance var at the class level to hide it from descendants
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<SirFunk>
instance var is single @, right?
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<SirFunk>
err... that's a class instance?
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<SirFunk>
the terminology is a little confusing
<Hanmac>
each class is an instance of the class Class ;P
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* Hanmac
uses "confusion" ... it is very effective
<RubyPanther>
Klass is a class of type Klass which subclasses Class and also an instance of Class
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<RubyPanther>
I hope that clears it up
<SirFunk>
Right, so class variables, class instance variables and instance variables are different things?
<wallerdev>
morning rubyists
<RubyPanther>
class instance variables and instance variables are exactly the same, just hanging off different objects
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<RubyPanther>
whereas some people hate class variables because they are too shared by relatives. But usually those are Java people.
<RubyPanther>
They hate their children, and don't want them to know what toys are in the garage
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<wallerdev>
i can never remember the inheritance rules for class instance variables and class variables haha
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<SirFunk>
Ok. I think i've got it
<Altonymous>
I'm not really good with bit masks.. so I can't even ask this question correctly.. but I'll try. Let's say I have the number 19 and I want to know the numbers that create it… 1, 2, 16 How would I go about that in ruby?
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<wallerdev>
you could bitshift it and check the last bit until the value is 0
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<Altonymous>
The only way I can find to do it is.. to use something like 19.to_s(2) then loop through the result and look for on bits.. then figure out what they represent
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<joelmo>
what does for example: f.brew do ... code ... end mean? in ruby
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<wallerdev>
Altonymous: like x = 19; (x & 1) will be the last bit value, 0 or 1, then you move all the bits one to the right with x = x >> 1, then you can check the last bit value again with (x & 1)
<wallerdev>
so youd get a 1, the first time, then a 1, then a 0, then a 0, then a 1
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<wallerdev>
and those would represent *1*, *2*, 4, 8, *16*
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<mostlybadfly>
hola everyone
<Altonymous>
thanks walterdev, i get what you're saying appreciate it
<wallerdev>
np
<wallerdev>
hola mostlybadfly
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<mostlybadfly>
i had a quick question. are double quotes required for string interpolation?
<wallerdev>
yes
<mostlybadfly>
ok I guess i knew that based on my error :P
<wallerdev>
or double quote equivalent
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<mostlybadfly>
just making sure
<mostlybadfly>
what is double quote equivalent?
<canton7>
something like %Q{hello}
<mostlybadfly>
ah ok
<mostlybadfly>
what is i wanted to do something like display double quotes as well as interpolate
<wallerdev>
thats why for maximum speed you should rewrite all ruby apps to use single quotes where you dont need interpolation
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<mostlybadfly>
' "quote" #{x}' ?
<wallerdev>
you can use %Q if you want to use double quotes, or escape them
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<mostlybadfly>
ah ok
<wallerdev>
%Q{ “quote” #{x}}
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<mostlybadfly>
ooooo ok
<mostlybadfly>
interesting
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<wallerdev>
or “ \”quote\” #{x}”
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<mostlybadfly>
yeah i saw \ as an option but that seems like it can get convoluted
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<Hanmac1>
Altonymous & wallerdev
<Hanmac1>
>> a=19;Math.log2(a).ceil.times.map {|i| a & (2 ** i) }.reject(&:zero?)
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<seekage>
wallerdev: yeah, that worked. for some reason it didn't take effect until restarting. thanks!
<wallerdev>
np
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<Sawbones>
Alright so I'm confused about something, When I call: puts convo['message'] I get the value returned, if I put puts convo[:message] it returns blank, why?
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<crome>
Sawbones: because :message and 'message' are actually different keys
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<Sawbones>
???
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<shinobi_one>
Sawbones if you set convo['message'] = "the message", this is different from convo[:message] = "the message"
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<shinobi_one>
they are different keys
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<Sawbones>
wow
<crome>
:message is a symbol. 'message' is a string
<crome>
they are totally differnt objects
<Sawbones>
i don't know how i feel about that
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<crome>
you should feel good about it
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<crome>
different objects are supposed to be different keys ina hash
<Sawbones>
So if I do something like list_of_stuff[myClassInstance] = 'a_thing' that will store my class instance as a key?
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<crome>
Sawbones: yes
<Sawbones>
ok, then I can accept it
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<shinobi_one>
Sawbones: you could do convo[:"message"] => "the message", and access it by either :message or :"message"
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<Sawbones>
thanks for the tip!
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<Sawbones>
I was using the cleverbot api to just play around and it was @params['message'] so I figured I could do that
<Sawbones>
got more ruby learning to do
<crome>
:'message' is really just a symbol, you can use this notation to create symbols with characters that would otherwise confuse the interpreter, like :'asd-qwe'
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<RubyNoviceH>
Anyone here have knowledge with the ruby Gcharts. My Y Axis seems to be inverted?!
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<GaryOak_>
what's an equivalent to symbols in other languages?
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<crome>
atoms in erlang maybe?
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<RubyNoviceH>
Crome; Have you used google charts with ruby?/
<centrx>
GaryOak_, Most languages have no equivalent except strings
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<karl___>
when assigning a string, is there an easy way to input it and escape all characters by default (such as using a different quoting scheme or something)?
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<GaryOak_>
centrx: aren't symbols like named pointers almost?
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<crome>
RubyNoviceH: nope
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<karl___>
nvm
<RubyNoviceH>
This is insane, I have spent the last 6 hours trying to do a simple graph!
<RubyNoviceH>
I am evne putting in FIXED data
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<RubyNoviceH>
The chart is backwards
<RubyNoviceH>
w.t.f
<centrx>
GaryOak_, Can the names of named pointers be passed around and defined at runtime?
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<GaryOak_>
centrx: nope
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<RubyNoviceH>
Anyone here have knowledge with the ruby Gcharts. My Y Axis seems to be inverted?!
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<GaryOak_>
RubyNoviceH: did you mix up your y-min and y-max?
<RubyNoviceH>
GaryOak; I didn't put any of those values, because they are 'default'
<RubyNoviceH>
bar_chart = Gchart.bar(
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<wallerdev>
usually i skip them for things where im going to need the latest version
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<rdark>
(TypeError/ no implicit conversion of Symbol into Integer)
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<wallerdev>
you set mock_dist on line 10
<centrx>
shinobi_one, Because Ubuntu 12.04 is from 2011
<havenwood>
rdark: on line 10 you set `mock_dist` to the String `"epel", then on line 11 you `"epel"[:release]`
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<havenwood>
>> "epel"[:release]
<eval-in>
havenwood => no implicit conversion of Symbol into Integer (TypeError) ... (https://eval.in/123809)
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<dorei>
hello
<havenwood>
dorei: hi
<dorei>
any of u using capybara?
<shinobi_one>
centrx: but it's LTS :(
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<rdark>
havenwood: thanks, has been a long day, total code blindness
<centrx>
shinobi_one, Right, that means security updates, not feature upgrades
<havenwood>
shinobi_one: Trusty Tahr!
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* rdark
lets out a long deep sigh
<wallerdev>
ive used capybara
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<dorei>
wallerdev: i'm submiting a form by sending :enter and then a sleep 5 so as to wait for the new page to load, do you know if there's a more elegant way?
<jhass>
dorei: assert that some (unique) element on the new page (possibly a value you entered on the form?) is visible
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<jhass>
you should never have the need to sleep
<shinobi_one>
guess i'll just replace the system ruby from source >.>
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<bitcycle>
Hey all. Can someone help me with ruby > OpenSSL? I'm trying to add an extension to a public cert, but I'm not sure if I have the subject/issuer cert right. I'm having a hard time understanding what the subject certificate is, exactly. Can someone help me understand what the subject certificate in the extension factory is?
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<perlsyntax>
hi all
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<Altonymous>
anyone able to scroll far enough back in their IRC client to grab a small bit of code for me.. there was a method someone did that got the values of the on bits for a number.. so 9 = 1,8 or 19, 1,2,16
<Altonymous>
19 = 1,2,16
<Altonymous>
My client doesn't scroll far enough back.. I want to look at it again
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<RubyNoviceH>
Anyone here have knowledge with the ruby Gcharts. My Y Axis seems to be inverted?! This is literally ONE line of code http://pastebin.com/zCfLs17t
<lethjakman>
got it! thanks
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<RubyNoviceH>
Anyone here have knowledge with the ruby Gcharts. My Y Axis seems to be inverted?! This is literally ONE line of code http://pastebin.com/zCfLs17t
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<jhass>
RubyNoviceH: please repost a lot less frequent
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<centrx>
RubyNoviceH, Have you tried looking through the GCharts code?
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<RubyNoviceH>
centrx; Yes.. I have
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<RubyNoviceH>
Centrix; I spent 4 hours on this!
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<RubyNoviceH>
Centrix; I even posted a question
<RubyNoviceH>
Centrix, If you run that code you will see.... i am not CRAZY
<centrx>
I'm just proposing the idea
<centrx>
Your line of code looks fine based on the docs
<RubyNoviceH>
Yes, see what the file generates
<RubyNoviceH>
its a backwards graph!
<centrx>
There might be something from tracking it through the code base that would explain
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<jhass>
make one operand a float (.0) or just use .fdiv instead of /
<canton7>
in order to get a floating-point output, at least one of the inputs has to be floating-point
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<RubyNoviceH>
Anyone here have knowledge with the ruby Gcharts. My Y Axis seems to be inverted?! This is literally ONE line of code http://pastebin.com/zCfLs17t
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<RubyNoviceH>
Anyone here have knowledge with the ruby Gcharts. My Y Axis seems to be inverted?! This is literally ONE line of code http://pastebin.com/zCfLs17t
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<centrx>
RubyNoviceH, Did you try the vAxis/direction suggestion from the stack overflow question?
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<canton7>
pastie an image of the output
<canton7>
?
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<anoldhacker>
If I store a block for use in an instance eval, how can I pass args to the block at the time of evaluation?
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<centrx>
anoldhacker, Example?
<anoldhacker>
Oh. Looks like instance_exec might work...
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<arcanez>
is there a better way to write 'foo = "bar" if options[:foo].sym != :bar'
<arcanez>
er
<arcanez>
to_sym, not sym
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<arcanez>
but any way I can not have to use .to_sym?
<centrx>
store it as a symbol?
<canton7>
!= 'bar' ?
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<arcanez>
I'd like to think I'd know if it was going to be a symbol or string
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<arcanez>
I'd also like to think we'd always use symbols
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<arcanez>
better to .to_sym when I set it or when I compare?
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<centrx>
what is the data?
<centrx>
symbols are smaller and faster but not garbage collected
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<arcanez>
AR pkey
<centrx>
yeah just convert it before you set it
<arcanez>
I think rails HashWithIndifferentAccess has spoiled people into forgetting if they're using symbols or strings
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<arcanez>
(I realize that only involves the keys, but it makes them forget to care)
<jhass>
if it's user data .to_s instead of to_sym
<jhass>
when in doubt .to_s too
<jhass>
String#to_sym can be harmful if you're not sure about the data source / the possible values, Symbol#to_s doesn't have that problem
<anoldhacker>
This code works, but I cannot pass a block in the final c.x, which is a problem. I want c.foo{ more_stuff_here } to work as well. https://gist.github.com/student/9672895
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<anoldhacker>
If you want to know I I'm looking at something so complex, it's because @r really is a variable—it will change with time.
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<jhass>
I don't think you can pass a block to a block
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<jhass>
you could let your block optionally accept a proc and convert a passed block to one
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<jhass>
but tbh. I have doubts the whole thing leads to a clean design
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<jhass>
if you want to stick to the general design another possibility is replace your @methods hash with calls to define_method inside declare
<anoldhacker>
No doubt this is going ugly places. This is low-level plumbing of a system that violates some of the basic rules of what OO is. More of a demonstration about what can be done if these capabilities are in place than anything else.
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<shevy>
ewww
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<anoldhacker>
If I go with define method, I'll need another level of wrapping, as different R objects have different methods.
<anoldhacker>
But yeah, I can see that getting me there.
<jhass>
anoldhacker: right, you'd want to define_singleton_method inside the instance of R
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<anoldhacker>
Nope. Still bad. The block that is sent to R#method has to be executed in the context of the C instance. Using define_singleton_method ends up with it executing on the R instance...
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<jhass>
right, let's get dirty: @r.singleton_class.instance_method(meth).bind(self).call(*args, &block)
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<jhass>
if that ends up in any production code I'll personally find and kill you ;)
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<anoldhacker>
I thought that required self and @r to be in the same class or module...
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<jhass>
hm right
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<anoldhacker>
yep. :( TypeError: singleton method called for a different object
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<RubyNoviceH>
Anyone here have knowledge with the ruby Gcharts. My Y Axis seems to be inverted?! This is literally ONE line of code http://pastebin.com/zCfLs17t
<centrx>
What have you tried so far?
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<RubyNoviceH>
Its ONE line
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<RubyNoviceH>
searched through every databaswe
<RubyNoviceH>
and tried every option, except for the right one!
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<jhass>
anoldhacker: you could define_singleton_method inside method_missing, call it and undef right after
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<jhass>
in an ensure block to make sure it happens even with exceptions
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<anoldhacker>
Name mangling. I should have known it would come to that….
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<jhass>
I mean I see no real world application for this anyway, so I wouldn't spend too much effort personally
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<anoldhacker>
Sadly, there really is. Have you heard of DCI? It's a really powerful innovation from the guy that gave us MVC. I've come to the conclusion, however, that these objects are NOT proper OO objects. Because it take so much pain to make them work.
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<anoldhacker>
s/take/takes/
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<anoldhacker>
gtg
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<benzrf>
hej da
<shevy>
die
<shevy>
oops
<shevy>
hi
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<hfp>
Quick question: when you're writing code, do you start with setting the variables and then defining functions or the other way around?
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<pipework>
hfp: I start with tests.
<pipework>
Sometimes I spike things out a bit though.
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<hfp>
pipework: I mean when writing the actual ruby script, not when starting to plan a project/feature
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<shevy>
hfp variables usually come after methods
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<hfp>
ok
<shevy>
hfp the less variables you can get away with, the better
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<hfp>
I see, thanks.
<hfp>
Any of you tried CodeEval as an exercise?
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<shevy>
not me
<shevy>
hfp, I think most more advanced ruby users won't need many exercise, and the amount of newcomers here in the channel is ... I think 5%, many of which just idle silently to power
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<centrx>
Your numbers are way off
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<centrx>
Although a lot of newcomers join #ruby-lang instead
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<b00stfr3ak>
thanks to who ever pointed me to dispatch tables
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<philcrissman>
hfp: had never heard of CodeEval. But I probably wouldn't bother; I did like codewars.com a lot though.
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<philcrissman>
Similar except it was just for personal progress, not for "unlocking awesome startup jobs".
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<wallerdev>
looks like the first param is a number not a stream
<gizmore>
it is IO:Fd
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<gizmore>
according to byebug and => stdout
<wallerdev>
the docs say the first param is a pid
<wallerdev>
Open4::popen4("sh") do |pid, stdin, stdout, stderr|
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<gizmore>
oh
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<gizmore>
let me try!
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<gizmore>
i copy and pasted that line somewhere... probably docs wrong
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<gizmore>
awesome.... thx wallerdev!
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<gizmore>
now i only need to find out when a user/password is requested in stdin
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<hfp>
philcrissman: Yes it's also for my own progress but if I can "unlock an awesome startup job" I wouldn't mind
<philcrissman>
more power, then.
<philcrissman>
But startups are hiring like crazy right now. You seriously don't need CodeEval to get a startup job.
<hfp>
Don't I need to show I know how to do something, even if I apply for junior positions?
<philcrissman>
hfp: what's your experience level?
<wallerdev>
yeah come to SF, tons of startups here
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<philcrissman>
Or Seattle.
<philcrissman>
hfp: that's what an interview is for.
<philcrissman>
:)
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<shevy>
hfp then go and write more code!
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<wallerdev>
it can snow in seattle and no one knows how to drive in it though
<shevy>
haha
<hfp>
philcrissman: I'd say I'm junior. Never studied in school, self taught as a hobby for 10 years, now learning more seriously from the ground up to bridge the gaps I have
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<philcrissman>
hfp: okay, if you're beginning and thinking jr dev position, yes, you want something to show. But OSS/github stuff is probably more meaningful than codeeval scores.
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<wallerdev>
yeah tech companies love to see things on github
<philcrissman>
hfp: 10 years, even part time, is not bad. I'm sure you could land a jr dev role. I mean, I don't know you, but, all things being equal, I'd say it's possible.
<hfp>
philcrissman: I see. I found CodeEval through codingforinterviews.com because I wanted to see what are the kind of questions you get at coding interviews
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<shevy>
mostly stupid questions
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<philcrissman>
hfp: for that, it may be good practice. Interviews can be nerve wracking, always good to have some practice with that sort of problem.
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<philcrissman>
wallerdev: it snowed twice here this year. Both times it lasted on the ground less than a day. But yeah, one time (iirc) was at night, so it was cold, and yep, people don't know how to drive in it. :(
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<philcrissman>
Still, not bad. I came here from Minnesota, so it felt like spring all winter long. :)
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<wallerdev>
i was there in like 2008 for a tech interview and they got me a rental car and it had no snow scraper, and everyone was going 25mph on the highway with like an inch of snow haha
<shevy>
Minnesota is cold?
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<philcrissman>
shevy: :/
<hfp>
I live in QC, we have about 40cm of snow in the garden right now :(
* philcrissman
can't tell if trolling or serious
<shevy>
hey I cant remember unimportant areas :)
<wallerdev>
minnesota is next to texas shevy
<wallerdev>
:p
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<shevy>
we have ... california... texas... new york and perhaps florida. seattle should fall to canada already, the rest is like non existing
<philcrissman>
wallerdev: for certain uses of the term "next to"
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<philcrissman>
but then what would Chris Cornell feel like when he was looking California? :(
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* soahccc
took out his bicycle today… tshirt weather
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<wallerdev>
shorts weather today in SF, super nice out
<philcrissman>
wallerdev: nice. It's nice here, too, but not shorts (though I've seen them around). Sweatshirt weather.
<maxmanders>
If I have a Gemfilem I can specify a name, version, github source etc. and do bundle install / update. How do I achieve the same effect without a Gemfile, i.e. install directly into RVM from a Github source?
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<wallerdev>
weather app says its 70 out right now here
<philcrissman>
hm, only 48 here. You win.
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<benzrf>
what are the downsides of mruby atm
<benzrf>
is it super slow or anything
<centrx>
benzrf, It is a subset of the complete Ruby language. Also it's very new. Those are the downsides.
<benzrf>
subset?
<benzrf>
in what sense
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<centrx>
benzrf, "mruby is the lightweight implementation of the Ruby language complying with part of the ISO standard."
<centrx>
I don't know what it's missing
<benzrf>
oh
<shevy>
benzrf you cant easily require stuff in it
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<benzrf>
oh dang
<benzrf>
why not?
<shevy>
dunno
<shevy>
I think the focus may be different
<shevy>
they praise embeddability all over the homepage
<benzrf>
mm
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<shevy>
so perhaps you may then have to compile stuff into it
<benzrf>
well im planning on using it for my 'image-based' ruby widget
<benzrf>
so requiring should not be such a big deal
<centrx>
What is your image-based ruby widget?
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<shevy>
require 'pp'
<shevy>
(mirb):1: undefined method 'require' for main (NoMethodError)
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<benzrf>
1 sec
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<shevy>
I really would like to know how to extend mruby
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<benzrf>
centrx: im planning on working out serialization of mruby states
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<benzrf>
should i be able to figure that shit out, i intend to set up some kind of framework for interacting with a running ruby instance, smalltalk/SLIME style
<wallerdev>
thatd be cool
<benzrf>
possibly with some kind of interface like a FUSE fs corresponding to namespaces and stuff
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<wallerdev>
will it have twitter integration?
<benzrf>
should i work out enough to make it usable
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<benzrf>
(which i probably wont)
<hfp>
philcrissman: I just checked codewars, looks so much nicer haha I might switch
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<benzrf>
id probably include some kinds of hooks for saving the code for methods
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<benzrf>
so that you could then export to plain text when youre done for standard use
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<benzrf>
wallerdev: do you know how smalltalk/slime-style dev works
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<philcrissman>
hfp: codewars is pretty cool.
<wallerdev>
ive seen an old youtube video on it a few years back
<benzrf>
codewars is the shit
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<wallerdev>
basically you write live code while your application is running right?
<benzrf>
try out my katas =3
<benzrf>
wallerdev: sorta.
<benzrf>
in smalltalk, at least, the env you use to program is the program that you are modifying
<benzrf>
it's as if you did all your dev in pry
<benzrf>
but x100
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<benzrf>
and also you can save the state of the VM and continue working later
<wallerdev>
cool :)
<benzrf>
so in the case that i actually make this thing work...
<wallerdev>
yeah i remember reading a bit about it when i was looking at new languages to learn
<ner0x>
Any UMO tools for linux (non KDE/Gnome) people in here use?
<shevy>
benzrf cool, you do a smalltalk-like VM in ruby?
<ner0x>
s/UMO/UML
<benzrf>
you could, of course, add method definition hooks to the system you're interacting with to tweet that you made a new method
<wallerdev>
ended up learning erlang instead haha
<benzrf>
=]
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<shevy>
wallerdev hahaha
<benzrf>
shevy: im planning on harnessing mruby to do something like that
<shevy>
we need to assimilate erlang's pros into ruby
<benzrf>
=o
<hfp>
Is it less focussed on solving mathematics problems? I hate maths and a lot of the codeeval exercises are math-relted
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<hfp>
related*
<benzrf>
hfp: certainly
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<shevy>
hfp is this really important... I mean, just write some good projects in ruby, you will learn the same as you go and solve real problems
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<benzrf>
hfp: just write a metacircular evaluator
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<benzrf>
u goddamn pleb
<hfp>
shevy: What I like about these exercises is that they are made to show you some concepts/patterns. Kind of like the koans. If I write my own stuff I might always do things the same way and never go where the codewars/eval challenges take me
<shevy>
back then I had the pickaxe, and went through chris pine learn to program tutorial
<shevy>
benzrf where will rubyconf 2014 be?
<benzrf>
isnt it san diegok
<shevy>
damn
<hfp>
the koans are pretty cool but it's a lot to take in, you can't possibly remember eveything
<benzrf>
if you have ice cream, i will give it to you
<benzrf>
if you do not have ice cream, i will take it from you
<shevy>
lol
<benzrf>
this is an ice cream koan
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<hfp>
haha
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<shevy>
sounds like a simple toggle flag
<shevy>
var = ! var
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<hfp>
yes it's only assertions to point out specific things in ruby. it's easy to cheat but it's not the point
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<nc__>
hello, I am trying to use the Settingslogic gem with the newest version of Ruby 2.0 and running into some issues
<nc__>
I am wondering if anyone can suggest a definitive fork of the gem
<nc__>
I see that on github there are some languishing pull-requests to the gem that should fix the issues I'm facing (something wrong with to_ary handling in method_missing)
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<nc__>
.rvm/gems/ruby-2.0.0-p451/gems/settingslogic-2.0.9/lib/settingslogic.rb:189:in `missing_key': Missing setting 'to_str' in 'database' section in config/settings.yml (Settingslogic::MissingSetting)
<centrx>
nc__, They are in order of popularity, and then you can measure how active they are by looking at the "Released" and "Last commit" fields
<nc__>
cool
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<nc__>
fwiw, I was doing something silly (I made a mistake) - my bug was not a Settingslogic issue, but attempting to load some YAML that was already loaded.
<nc__>
thanks all
<nc__>
bye
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<hfp>
I hate regexes so much
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<shevy>
hfp yeah I do as well
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<shevy>
but they are too useful to avoid them
<shevy>
I try to keep them as simple as possible and use them only when it is really necessary or gives a clear advantage
<GaryOak_>
if you can get away with not using them it's better
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<hfp>
Nice, I was using regex101.com but I am never sure which engine to pick. I'll try rubular
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<hfp>
found my regex in 2 seconds with rubular. What is the name of Ruby's regex engine? When I try on regex101 with PCRE, Pythin or JS engines, I don't get the same matches than with Rubular
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<centrx>
hfp, Onigurama I believe
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<apeiros>
no longer I think. it's still based in oniguruma, but patched up afair
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<workmad3>
hfp: ruby 1.9 uses onigurama, ruby 2.0 uses Onigmo (a fork of onigurama)
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<workmad3>
*oniguruma
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<apeiros>
"Regular expression engine is changed to Onigmo"
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<apeiros>
yeah
<apeiros>
what workmad3 said
<apeiros>
dunno about 2.1, but I guess still Onigmo
<workmad3>
apeiros: heh :) my source was wikipedia ;)
<apeiros>
well, regexes, like every other code, just does precisely what you tell it to do…
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<apeiros>
you tell it to match zero or more characters, and it happily matches zero characters.
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<dx7>
hey
<hfp>
apeiros: I understand it's just that logic can be very counter-intuitive
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<apeiros>
then don't use intuition
<hfp>
that's why I'm learning
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<apeiros>
at least until you developed a matching one for regexes
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<hfp>
Now I have this regex http://rubular.com/r/Ff4k3VJNsE but when I try it there https://eval.in/123958 I'm getting a different result. Why is that? It seems to be stopping at the first match despite the regex?
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<apeiros>
slice only gets you the first match
<apeiros>
rubular shows you all possible matches
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<hfp>
ah, that makes more sense
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<hfp>
I appreciate the explanations, I hope I'm not coming across as thick as I feel like I do
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<shevy>
well that would mean that people would care about it
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<shevy>
hfp but what about those people who don't care one way or the other ;P
<bnagy>
regex is hard to write and almost impossible to read
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<bnagy>
its only redeeming features are that it's concise and fast
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<bnagy>
so just treat it as a last resort and move on with writing good code
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<benzrf>
parsec is the shit
<benzrf>
too bad this is RubyPanther
<benzrf>
*ruby
<benzrf>
god dammit
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<centrx>
How has it benzrf
<gizmore>
i receive ascii control chars from a stream. when i puts it, all looks short and fine... however when i send it to irc all the whole stuff is sent... can i somehow replay the cursor movement before sending?
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<hfp>
also, what do you favour when writing code? Readability, number of lines or execution speed?
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<dorei>
execution speed and ruby? :D
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<centrx>
Clear, maintainable code is most important.
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