apeiros_ changed the topic of #ruby to: programming language || ruby-lang.org || Paste >3 lines of text in http://pastie.org || Rails is in #rubyonrails
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<YasonBenDavid>
I have a request.
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<YasonBenDavid>
full ha-Zohar preferrably in epub
<YasonBenDavid>
pdf will also work
<banisterfiend>
YasonBenDavid: what's ha-zohar
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<YasonBenDavid>
Jewish mystical school of thought. That the ruby designer mustve ascribed too.
<YasonBenDavid>
Please help.
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<YasonBenDavid>
I donmt want to download a piece of it. And get tracking cookies like bait.
<icy--_afk>
hey can someone help me with a quick railsInstaller question?
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<havenn>
asdasdasd: I'm sure someone here can help, but you might get a quicker response in #rails channel
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<swittenkamp>
does anyone know of a good tutorial or article on the 'mkmf' library for C extensions? I'm trying to compile sqlite3-ruby with some custom stuff and running into a bit of trouble.
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<DukeDave>
This seems like a simple one, but I'm having trouble Googling it: I want to evaluate something n times and put each result in a list..
<swarley>
at first i was looking in the source and i was like, GODDAMN IT i cant find any of the hilighting code!!! and then i realized it uses coderay lol
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<YasonBenDavid>
yummy
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<hunterloftis>
What package gets the 'gem' command installed (on solaris)? I've tried 'ruby18-rubygems' 'ruby18-gemcutter' and 'ruby18-gem_plugin' with no luck
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<Urthwhyte>
hunterloftis: no result when you type "which gem"
<hunterloftis>
Urthwhyte: correct, no result
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<hunterloftis>
I'm wondering if maybe it's installed, but not in my PATH
<Urthwhyte>
I generally don't use my distro's packages for ruby/python
<Urthwhyte>
if they were installed with your package manager thougj, I'd be very surprised for them not to be on the path
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<echosystm>
how can i install rvm with xcode 4.3?
<echosystm>
i cant find a definitive answer
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<swarley>
so im just wondering
<swarley>
random brain thought here
<swarley>
is there a method that is called whenever an object has a method called?
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<banisterfiend>
swarley: no
<swarley>
:[
<swarley>
that would have been cool
<banisterfiend>
echosystm: i didnt have to do anything special, it 'just worked' for me
<banisterfiend>
swarley: you can decorate the methods post-hoc to provide that functionality
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<echosystm>
banisterfiend: how did you get gcc then?
<echosystm>
xcode 4.2 onward doesnt have it
<echosystm>
4.2 on only has LLVM stuff
<banisterfiend>
echosystm: does it need gcc? cant ruby now build with llvm?
<banisterfiend>
at least i had no problems, it just worked for me. I didnt look into it
<echosystm>
ruby can if you set the compiler to clang, but most gems wont build
<echosystm>
apparently
<banisterfiend>
echosystm: try #rvm
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<lewis1711>
why does ruby let you define a function with variables that don't exist? why not raise an error? dynamic typing isn't an excuse
<deryl>
err?
<lewis1711>
def foo x; bar x end
<lewis1711>
bar is undefined. I can still stick that in a file and it will run no problem. no errors. no warnings
<deryl>
you're not doing anything with it. even C will let you define a variable (and thats what you're doing there) even if its never used. unless you turn on warnings (like -wall) in C you won't even know.
<deryl>
until the first time you try to use it
<lewis1711>
...people use C without wall?
<SirFunk>
Anyone use rbenv? Isn't it supposed to setup my gem path? so i can run gems that i've installed?
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<Spaceghostc2c>
lewis1711: I'm assuming you haven't even bothered to look at the -h flag.
<lewis1711>
what -h flag. ruby --help mentions no -h flag
<Spaceghostc2c>
lol
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<lewis1711>
trying to use ruby -h file.rb just gives me the --help dialogue
<Spaceghostc2c>
Have you considered trying it?
<Spaceghostc2c>
Read and perhaps consider each possible flag.
<Spaceghostc2c>
When I use straight up ruby, I always use this flag, think about it.
<lewis1711>
what you mean -W2?
<Spaceghostc2c>
Try.
<Spaceghostc2c>
Learn for self
<Spaceghostc2c>
Hehe, 'self'.
<shevy>
-W[level] set warning level; 0=silence, 1=medium, 2=verbose (default)
<shevy>
lewis1711 ruby is not C
<lewis1711>
that completely fails to catch the error
<lewis1711>
I'd already tried it
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<shevy>
if you want a language with compile time checking, go use C
<lewis1711>
shevy: I know dynamic languages that will catch such a bug
<Spaceghostc2c>
That's the point!
<lewis1711>
racket for example
<shevy>
that is no fucking bug, it's a fucking feature
<Spaceghostc2c>
Then use racket!
<shevy>
yes, do us all a favour and use racket
<lewis1711>
that's a feature?
<Spaceghostc2c>
lewis1711: Yeah, for those who're more used to pure OO, it's a feature.
<Spaceghostc2c>
Shit's crazy up in hurr.
<lewis1711>
Seriously educate me here. I've been using ruby on and off for about a year. and I still don't get how stuff like this is a feature. don't get all defensive I like the language
<shevy>
I am not defensive, I am offensive. Go stop use ruby and use racket.
<Spaceghostc2c>
lewis1711: How would you want it to react?
<Spaceghostc2c>
Flip the fuck out because a variable doesn't exist?
<shevy>
he wants ruby to break, just like C, the moment the parser sees something it can not make sense of
<Spaceghostc2c>
You can use your exception handling.
<lewis1711>
return an error when you try and run it
<Spaceghostc2c>
lewis1711: Sounds stupid.
<shevy>
use begin/rescue
<lewis1711>
...over the whole file? :/
<shevy>
oh, I see, so your whole code stinks
<lewis1711>
can you give me one situation where allowing this would be an advantage
<shevy>
yes. over the whole file then :>
<Spaceghostc2c>
When ruby is running, shit gets busy with objects PDQ
<Spaceghostc2c>
lewis1711: Try metaprogramming.
<shevy>
lazy evaluation for instance
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<Boohbah>
lewis1711: method_missing
<Boohbah>
check it out
<lewis1711>
Boohbah: what's that supposed to be an example of?
<Boohbah>
an example of why this is a feature and not a bug
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<shevy>
use racket
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<lewis1711>
cry more
<Boohbah>
troll harder
<Boohbah>
hehehe
<shevy>
only if you dont use racket
<joltz>
PDQ?
<Boohbah>
QED
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<Spaceghostc2c>
Pretty Damn Quick.
<lewis1711>
I asked a simple question and you started ranting on about C
<deryl>
lewis1711: quit being so fucking combative and assholish about it. try to figure out from what people are telling you WHY its done the way it is
<joltz>
oh. here I thought it was something technical.
<Boohbah>
ok everyone, feeding time is over
<shevy>
well C is too hard for you
<deryl>
Boohbah: awwww
<deryl>
but i still have cookies left!
<riyonuk>
Hey guys, newbie here. I'm trying to print everything in a hash, but just the keys. How would I do this? So far I can do everything. array.each = { |x| puts x }
<shevy>
riyonuk one way: hash.keys.each
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<riyonuk>
ahh
<riyonuk>
I was trying hash.each.keys
<Spaceghostc2c>
Next time look at the awesome documentation!
<shevy>
you could also use .each_pair and omit the values
<lewis1711>
why would I troll? this has just irritated me about ruby from day one, and I wanted to know if there was a way around it, and failing that, what the reason was. I was of course met with butthurt
<Spaceghostc2c>
lewis1711: It's clearly a taste thing.
<Spaceghostc2c>
As in, yours is wrong for ruby.
<lewis1711>
the method missing sort of makes sense
<deryl>
no, you met with attitude because you're being a dick about it
<lewis1711>
but you'd have to define a method missing on what self is at the top level..
<lewis1711>
Spaceghostc2c: just the amount of runtime errors over silly things like this
<lewis1711>
how do you deal with it? just accept the run time errors? srs question
<Spaceghostc2c>
lewis1711: Sounds more like you're just not very ruby.
<shevy>
odd, my 5000 .rb files all dont run according to lewis1711 ...
<Spaceghostc2c>
Perhaps consider gisting your code instead of coming in here and complaining. I bet you it's your code and skill.
<rippa>
what runtime errors?
<rippa>
I missed the discussion
<shevy>
he says every ruby file has thousand runtime errors
<Spaceghostc2c>
rippa: There are none, there's just pebcak galore.
<lewis1711>
shevy: I'd appreciate if you stopped talking about me. I said no such thing.
<lewis1711>
Spaceghostc2c: will do
<shevy>
well you wrote: "how do you deal with it? just accept the run time errors?" that implies that there are runtime errors, right?
<shevy>
so from now on, we need to accept it. there are runtime errors EVERYWHERE
<lewis1711>
now who's trolling :)
<Spaceghostc2c>
Objects not existing aren't a problem, if they are, please go scrub the shit language you learned that from out of your mind. We'll be here for you. :d
<shevy>
I am just exaggerating
<Spaceghostc2c>
shevy: That's because not only can't ruby scale, it can't even run!
<shevy>
hehe
<shevy>
well, twitter says ruby does not scale once you are rich
<shevy>
I am willing to test that theory when the money lures me too :)
<rippa>
Indentation must not contain tabulators so the compiler always sees the code the same way as you do.
<rippa>
I already like Nimrod
<riyonuk>
correct me if I'm wrong, but the "good" thing to do is use {} for one liners, and do/end for multiple?
<lewis1711>
Spaceghostc2c: is it possible that I like ruby in general but this just annoys me and I don't see how you work around it? I mean you can accept surely that while this is an advantage for some... reason I still don't understand, it also introduces more errors? that there's a trade off?
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<Spaceghostc2c>
Probably because you're just trying to use concepts foreign to ruby inside ruby.
<lewis1711>
riyonuk: be aware that they have different precedence
<riyonuk>
Oh? Didn't know that. :/
<deryl>
lewis1711: I got a great workaround. DON'T DECLARE UNUSED VARS!
<shevy>
riyonuk well, this is more a convention for the most part. you can decide to not follow it. do/end does not have the same ... uhm... binding ... what was the word, priority or something like that. I think {} has higher priority than do/end so they are not 100% the same
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<shevy>
oh right. precedence
<lewis1711>
deryl: what if I typo? :)
<Spaceghostc2c>
lewis1711: You should probably learn the nil guard.
<deryl>
learn to spell?
<Spaceghostc2c>
lewis1711: Why don't you write tests?
<Spaceghostc2c>
That's the fucked up thing about this whole conversation.
<deryl>
check your code? write tests? ect
<shevy>
he cant THE CODE IS FULL WITH RUNTIME ERRORS
<shevy>
every line -> runtime error
<Spaceghostc2c>
"My code don't work, cause so many runtime errorz guise." Where are your tests?
<lewis1711>
you write tests for every single method to make sure you don't mispell something?
<deryl>
shevy: excuse me while I try not to spit coffee on my screen from laughing so hard
<shevy>
dont do that
<rippa>
lewis1711: yes
<shevy>
you make a runtime error that way deryl
<deryl>
hehe
<lewis1711>
...seriously?
<rippa>
code should be 100% covered with tests
<shevy>
actually a friend once spilled beer over a laptop, 3 keys stopped working afterwards :(
<deryl>
doh!
<Spaceghostc2c>
lewis1711: You haven't gisted any code, or told us about your tests.
<Spaceghostc2c>
So you're honestly kind of wasting at least my time.
<shevy>
tests lead to runtime errors
<shevy>
so why write them :)
<Spaceghostc2c>
shevy: Have to make sure you're getting the right runtime errors.
<Spaceghostc2c>
obvs
<shevy>
the only code to not lead to runtime errors is -> no code
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<shevy>
I misspell "def initialize" sometimes
<lewis1711>
can I get a general consensus... you all right tests for every single method you right?
<wefawa>
lewis1711: The error catched by strong typing, and compilers or those kind of things are errors of the kind "your program doesn't make sense". They are the first things that fail when you run the code... Even in those kind of languages you need to use lot's of tests to be sure your program works as expected... The thing is that if you do all those same tests in a language like ruby, you'll surely
<wefawa>
catch most or all of the errors usualyl caught by compiler, and static typing, etc... So actually, if you do tests, you aren't losing anything by not having those kind of checks....
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<lewis1711>
*write
<shevy>
def intialize
<lewis1711>
wefawa: that's a good point.
<deryl>
or explained how you're running into runtime errors, nor showed a single one. nor explained hwo you can typo SO badly SO commonly that you throw that many errors, nor explained why you think its the language's fault you fuck up your spelling so often that you have THAT many 'runtime errors'
<shevy>
lewis1711, no, I like my runtime errors, I want them
<Spaceghostc2c>
deryl: He's wasting your time.
<lewis1711>
deryl: calm down
<deryl>
OH NOES! I typed hwo not how!
<Spaceghostc2c>
Just as long as you're down with that.
<lewis1711>
Spaceghostc2c: it's not a specific problem witha piece of code, it's a general pattern
<deryl>
lewis1711: I asked a simple set of questions. answer them honestly or stfu
<lewis1711>
it's a general question
<shevy>
the runtime error pattern
<shevy>
but really, try nimrod
<lewis1711>
deryl: I must've missed it amongst all the trolling
<deryl>
lewis1711: yeah you're doing pretty good with the trolling
<shevy>
Tasser here is using it, so you have a rubyista who is also using it
<Spaceghostc2c>
lewis1711: Sounds like you just have no fucking idea what you're doing. :D
<lewis1711>
why would I troll here? I come here fairly often
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<Spaceghostc2c>
You've found a comfy bridge to live under?
<shevy>
the bridge breaks down
<deryl>
then please to be answering my very simplistic questions
<shevy>
too many runtime errors :(
<Boohbah>
trolling is a good way to extract information
<deryl>
here i'll even repeat
<Boohbah>
if you do it right
<deryl>
or explained how you're running into runtime errors, nor showed a single one. nor explained hwo you can typo SO badly SO commonly that you throw that many errors, nor explained why you think its the language's fault you fuck up your spelling so often that you have THAT many 'runtime errors'
<riyonuk>
Where do you guys go for documentation? ruby-doc.org?
<Spaceghostc2c>
Boohbah: No it isn't.
<Spaceghostc2c>
How do you think it is? Huh. It isn't.
<deryl>
there, think you can answer those?
<Spaceghostc2c>
riyonuk: Do you want rdoc or yard?
<shevy>
riyonuk, usually I play russian roulette with google, then I write things down locally
<riyonuk>
No idea what that means.
<shevy>
the official docs are ok
<Spaceghostc2c>
Probably something worth educating yourself on.
<riyonuk>
For example, I know you need to use the .each method, but I kinda want to learn more about it.
<deryl>
riyonuk: I personally use ri
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<shevy>
yeah you kinda have to know where these things are
<riyonuk>
ri? I'm guessing that's from the command line? :p
<deryl>
but if you want more you can also run (locally) gem server and use your webbrowser to view the docs for each gem installed, and as for the language itself, you can use ruby-lang.org if you don't have them installed locally.
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<shevy>
wow
<deryl>
if you are using RVM you can run: rvm docs generate all for the ruby you're using
<lewis1711>
deryl: perhaps you are a more accurate typist than me. congratulations. I never said it was the languages fault that I "fuck up", I questioned why the interpreter couldn't at least throw a warning. I generally run into run time errors when I have too many arguments in applied to a method or a mispelled word, and it frustrates me. I also tend not reply to angry rants when I've had two or three people here comment with actual helpfulness
<deryl>
we don't install them usually because of space
<shevy>
e.next # StopIteration: iteration reached at end
<Spaceghostc2c>
lewis1711: Are you used to programming languages handling your typos? Are you also the sort who thinks tests are a waste of time?
<deryl>
lewis1711: whatever. wasted enough time.
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<Spaceghostc2c>
Cause you could have saved me the last half hour if you only knew how to use them.
<riyonuk>
to_enum? I thought there was only to_s, to_f, and to_i?
<lewis1711>
Spaceghostc2c: yes, and when i write tests I have no clue what I am testing them for
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<deryl>
ri Object.to_enum
<lewis1711>
I barely write any however
<shevy>
to_enum does not seem to be used as much as to_s or to_i
<Spaceghostc2c>
lewis1711: You're just chock full of missing base knowledge!
<Spaceghostc2c>
This is the core of your problem.
<deryl>
hehe
<lewis1711>
Spaceghostc2c: yeap, I won't deny that.
<Spaceghostc2c>
So uh, why the fuck are you wasting our time instead of improving yourself and your understanding?
<lewis1711>
anyway, I've got all the answers I needed. Next time I will come back with testcases, and you can all tell me if they suck or not or I am testing the wrong thing
<Spaceghostc2c>
I mean, people write books on this, blogposts, they make screencasts.
<shevy>
and they write runtime errors
<Spaceghostc2c>
I don't always test, but when I do, it's to make sure I've got enough runtime errors.
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<shevy>
hehe
<lewis1711>
...you write tests to catch them.
<Spaceghostc2c>
To produce them!
<shevy>
I am testfree and runtime errors free
<Spaceghostc2c>
See how little you know!
<shevy>
but lewis wont believe me.
<shevy>
he thinks my code is riddled with runtime errors :(
<lewis1711>
shevy: show me your tests plz
<shevy>
what tests
<Spaceghostc2c>
shevy: Metabrogramming's main concept is the discrete introduction of eigen runtime errors.
<shevy>
well it depends what you mean with tests of course too :)
<lewis1711>
Spaceghostc2c: if talking to me is such a waste of time, i suggest stopping. it's clearly not doing much for your blood pressure
<deryl>
nor your education methinks
<shevy>
I usually test within if __FILE__ == $PROGRAM_NAME
<shevy>
x.test
<shevy>
and when I dont need it I comment it out
<Spaceghostc2c>
shevy: I don't believe in using variables that aren't global.
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<Spaceghostc2c>
Why wouldn't you want to reach your variables everywhere?
<shevy>
hehe
<lewis1711>
see I'm not even sure if that's a joke
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<shevy>
lewis1711 of course it is. what if you have conflicting use of global variables?
<shevy>
your code becomes unpredictable suddenly
<lewis1711>
shevy: ...you'd write a test case for it?
<shevy>
THOUSAND OF RUNTIME ERRORS
<lewis1711>
(sorry..)
<shevy>
no, that wont solve the problem
<Spaceghostc2c>
ALL THE RUNTIME ERRORS!
<Spaceghostc2c>
The lovely errors!
<joltz>
Spaceghostc2c, man I miss that show.
<Spaceghostc2c>
joltz: I have every all of it.
<joltz>
also the brak show.
<lewis1711>
I was told freezing objects was bad form a couple of times here
<shevy>
freeze is totally useless
<shevy>
it's like throwing the object away
<Spaceghostc2c>
lewis1711: You're bringing up vague and rather lulzy 'issues'
<Spaceghostc2c>
shevy: It doesn't make more runtime errors that way.
<lewis1711>
Spaceghostc2c: get over the fact I'm not trolling. you're being childish.
<shevy>
lol
<Spaceghostc2c>
Thusly, useless.
<shevy>
lewis1711, that is so vague what you write
<shevy>
from now on you should remember the REASONS
<Spaceghostc2c>
lewis1711: Please, you really think that your questions are anywhere near what anyone here would call intelligible? Get real.
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<lewis1711>
Spaceghostc2c: I do
<shevy>
" freezing objects was bad form" <-- useless way to remember it
<Spaceghostc2c>
"I have issues, why does this happen? No code though, no context, no real data, just concept."
<Spaceghostc2c>
lewis1711: You would.
<shevy>
remember instead: .freeze renders the object totally USELESS
<lewis1711>
have you heard of abstraction?
<shevy>
ok that's it, I am outta here
<Spaceghostc2c>
lewis1711: Didn't know abstraction had anything to do with effective communication, but I'm sure you're the very top in that field, right?
<Spaceghostc2c>
shevy: Tell me, sir. Do you like runtime errors?
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<Spaceghostc2c>
Whenever I'm feeling emo, I just #freeze my objects. No runtime errors that way.
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<deryl>
i'm king of speaking conceptually to people in here yet I manage to put a CRAPLOAD more meat into my questions that you have. AND when I have issues on the level you're stating you're having you've moved past conceptualization into actual CODE. Which means you have something to gist, something to share, something to show, something that proves your point.. like all the rest of us usually do.
<lewis1711>
Spaceghostc2c: I don't particularly think you're a good example of good communication, seeing as how you respond with sarcasm and hostility
<deryl>
so try doing that instead of talking half assed
<Spaceghostc2c>
lewis1711: Usually when people are intentionally not helping us help them, yeah.
<Spaceghostc2c>
Where's your code for that original problem, eh?
<deryl>
most of us are like taht
<scientes>
/usr/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require': no such file to load -- readline (LoadError)
<scientes>
-rwxr-xr-x 1 root root 19568 Mar 27 16:09 /usr/lib64/ruby/1.8/x86_64-linux/readline.so*
<deryl>
show us SOMETHING (and not some contrived falsey bullshit)
<scientes>
how do i get past this lib64 issue?
<scientes>
its a centos/rhel thing
<Spaceghostc2c>
Crap, I saw that issue pop up earlier.
<scientes>
and fedora too
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<deryl>
scientes: oo oo see if mpapis is still up. he's got the solution to that
<riyonuk>
From my findings, you can't assign things to it, and you can't really...do anything with it. But from Google, it's just the name of something? What?
<deryl>
ok, yeah then its a known issue that was filed by michal. still open. filed 2d ago
<lewis1711>
If anyone can recommend good resources on what to think about when writing tests, I'd be much obliged. I can find plenty of guides on *how* to do it, but not what things to test for, best practices etc
<rippa>
riyonuk: symbols are interned strings
<riyonuk>
interned? what does that mean?
<deryl>
think thats the OS he found it on as well. I can ask him specifically in the morning
<scientes>
couldn't ruby somhow manage to use normal /usr/lib/ with the lib64 os's, as they use multiarch pathnames for compiled stuff??
<scientes>
or does rpm/yum not allow the flexibility to do that correctly?
<scientes>
i guess ill just copy that x86_64 dir for now
<deryl>
no no its that it hits lib not lib64 so unless lib64 is symlinked to lib it doesn't pick the 64bit libs
<scientes>
yeah thats what i said--install to /usr/lib/, NOT lib64
<scientes>
because ruby can handle multiarch properly and doesn't need the lib64 kludge
<scientes>
right?
<scientes>
maybe not, havn't tried to multi-install in multi-arch debian/ubuntu
<deryl>
neither have i so i don't have an answer to that
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<scientes>
but i think that would be the proper way to handle it, all arch-specific stuff in that x86 dir
<scientes>
now, debian/ubuntu multiarch uses a triplet, so its "x86_64-linux-gnu"
<scientes>
and it would have to be seperated into the arch-independant package, and shared compiled libraries
<scientes>
cause two packages cant have the same files, and be installed at the same time
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<deryl>
well they could just the 2nd would overwrite the 1st. which would screw the pkg manifests but it could be done (especially if people do the --force which so many seem want to do for some reason)
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* scientes
doesn't use --force
<scientes>
except when i have installed 32-bit packages on non-multiarch, but that is over
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<deryl>
ok wtf is up here. nokogiri *refuses* to see neither the system libxml nor the rvm pkg install.
<davidcelis>
deryl: lolkogiri
<scientes>
RedCloth (4.1.9)
<scientes>
/usr/lib64/ruby/gems/1.8/gems/rails-2.3.5/lib/rails/gem_dependency.rb:268:in `==':NoMethodError: undefined method `name' for "RedCloth":String
<scientes>
(and yes, ancient rails)
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<any-key>
meh, I work on that version
<deryl>
screw it. too tired to go banging on this tonight. i'll figur eit out in the morning
<deryl>
any-key: still ancient
<scientes>
ahh, could be another lib64 problem
<any-key>
well, when your app is 5 years old and pretty huge the rails 3 upgrade is not worth it at all
<any-key>
maybe some day, but not for a while
<scientes>
if you are doing active development....errrrr
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<scientes>
anyways, we are migrating to a new server
<any-key>
why should I spend several months migrating this codebase?
<scientes>
i should shut up, it isn't even really my thing
<artm>
and the author compares Foo = Struct ... do ... end and Foo < Struct ... end
<artm>
and sais "When using inheritance like this you are wasting resources (a class in this case)..."
<artm>
I'm not sure I get it
<artm>
how is a class resource "wasted" by inheritance?
<banisterfiend>
artm: it's not
<artm>
now I have to opinions to chose from. wonderful.
<artm>
internet is not my friend :)
<banisterfiend>
artm: where does he say that in the article?
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<banisterfiend>
oh found it
<artm>
he recommends some undocumented feature vs something I was going to do
<artm>
(inheritance)
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<artm>
and I'm trying to understand his logick
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<banisterfiend>
artm: you're not wasting shit
<banisterfiend>
it just sets the superclass pointer
<banisterfiend>
the class already exists, so nothing is being wasted or even allocated
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<artm>
ok. I'll subclass then. I'll blame you in the comments, ok? :-p
<banisterfiend>
artm: the second example is also superior in that it uses the regular 'class' syntax for defining what is a class, rather than weird block syntax
<banisterfiend>
that has some quirks and edge cases related to constant lookup
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<mkutub>
hi
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<artm>
when monkey-patching an existing method, super refers to the original?
<banisterfiend>
artm: no
<banisterfiend>
that's only when you override the method
<banisterfiend>
to refer to the original in a monkeypatching scenario you have to use the alias_method trick
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<artm>
ah, thanks.
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<becom33>
I'm having a little problem with regex
<becom33>
I want to get content bitween <sa>somthinghere</sa> . but I cant get the regex for that ? help please
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* becom33
anyone ?
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<scalebyte>
becom33: try rubular
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<cocoadaemon>
ola all. I've installed the whois gem, but it's not showing in the gem list and it's not loading. Installed other gem and it worked. The whois gem is in the gem folder. One gem install only, checked. How can I backtrack the problem?
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<cocoadaemon>
help appreciated. virtual cookies delivered to your door by ninja squirrels.
<shevy>
that's a completely different thinking pattern from when you use IRB alone
<ickmund>
If I have an object obj with a variable objvar0, accessible with obj.objvar0, how can I access that given a variable i = 0? I mean like obj.objvar{i} or similar?
<shevy>
and well you can do what irb does, in pry as well
<shevy>
wat
<banisterfiend>
ickmund: you mean a method not a variable?
<banisterfiend>
ickmund: obj.send("objvar#{i}")
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<fabrice31>
shevy: I'm seeing that. I think I will try that this afternoon :)
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<ickmund>
banisterfiend: I actually mean a variable
<banisterfiend>
ickmund: well you cant access variables via obj.objvar so what u said doesnt make sense ;)
<banisterfiend>
ickmund: it has to be a method, in which case use the code i gave above
<TTilus>
ickmund: care to share the actual code?
<TTilus>
ickmund: what you say does not really make much sense :(
<cocoadaemon>
shevy: so you're sure gem list doesn't use specs for listing ?
<TTilus>
ickmund: prolly an epic mixup with terminology or something...
<shevy>
cocoadaemon I am not sure how gem list works or how a gem is registering itself how with it
<ickmund>
It's a typical rails project (but I thought the question was ruby specific) with a model containing a bunch of similarily named variables I want to iterate over somehow
<cocoadaemon>
k
<shevy>
cocoadaemon all I know is that the whois gem installed for me here and that I dont have the problem you have, sorry cocoadaemon :)
<cocoadaemon>
ok, thanks a lot
<TTilus>
ickmund: ar model attributes have accessor methodes
<ickmund>
But yea, my terminology is quite likely way off
<TTilus>
ickmund: *methods
<shevy>
I installed ruby from source into /usr prefix though, I think that often helps
<TTilus>
ickmund: u r calling a method
<shevy>
u r calling a mother!
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<TTilus>
ickmund: having a model with attributes like var0, var1, var2, ... really smells _bad_
<shevy>
ickmund what annoys me is that you use numbers in method names
<ickmund>
TTilus: Right, I see the errors of my way now. :)
<ickmund>
TTilus: I see your point and I was thinking about it. Might refactor like that later
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<matti>
TTilus: Its this a 1.9 thing?
<banisterfiend>
matti: no
<TTilus>
ickmund: refactoring (and providing the old interface with delegator methods) is prolly way easier than building generic array-like access with .send("foo#{i}") hacks
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<matti>
Um, I see.
<shevy>
I still dont get -@
<shevy>
what is the @ actually there?
<TTilus>
matti: believe it or not, 1.8 has unary minus =D
<TTilus>
shevy: dunno, ask matz
<shevy>
hmm
<rippa>
shevy: @ is yout object
<shevy>
waaaah?
<banisterfiend>
rippa: hey rippsy
<shevy>
from where does it come?
<rippa>
shevy: because why not
<rippa>
banisterfiend: hi
<banisterfiend>
rippa: what's up
<shevy>
argh
<rippa>
not much
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<TTilus>
shevy: -@ is totally specialcased thing, just like []= et.al.
<banisterfiend>
rippa: do u have an android phone
<rippa>
no
<matti>
TTilus: As much as I appreciate the sarcasm ;p I was more about @ in the name of the function :)
<ickmund>
TTilus: Thing is that since I know I'll always have a fixed amount of keys here, and I need to display all of them to the user in a form each time, I figured it'd be easier to add the attributes than to use an association object and provide methods to handle displaying the possible keys
<matti>
TTilus: I did not know that it was even possible -- but then again, its Ruby ;p
<matti>
TTilus: Ruby will make pigs fly.
<shevy>
and then explode
<rippa>
also, Struct
<ickmund>
TTilus: And the only reason I iterate over them is to try to be DRY when building the form. Might be a stupid decision in itself
<matti>
TTilus: And reason behind me going "ohhh" is because I had some code for 1.9 where somebody defined !~ methods, and these do not work in 1.8 :)
<TTilus>
Ruby makes pigs fly (as runtime exceptions)
<matti>
TTilus: There sould be "SpiderPig" runtime error.
<artm>
(it shouldn't work yet, but i didn't expect it to fail like that)
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<shevy>
can I do conditional include?
<shevy>
include Foo if Foo was not included yet
<rippa>
sure why not
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<banisterfiend>
shevy: it doesnt (usually) make any difference if u include a module multiple times
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<banisterfiend>
shevy: it just ignores subsequent includes (though not always in some cases)
<rippa>
artm: somehow args is always empty
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<TTilus>
artm: would it be the case, that Struct has special new, which does not work as one would expect with ruby
<artm>
TTilus: it feels like that yes
<TTilus>
artm: try deffing self.new instead of initialize
<TTilus>
artm: dunno if there is a catch, but it might work out
<shevy>
yeah just noticed that
<shevy>
I was expecting an error or warning but none came
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<artm>
TTilus: thanks, i'll give it atry
<TTilus>
artm: i already did, it seems to work
<artm>
:) codepad rocks
<TTilus>
oh, i didnt actually notice it was codepad =D
<TTilus>
copy-pasted it to irb
<banisterfiend>
TTilus: question for u
<TTilus>
banisterfiend: where?
<banisterfiend>
TTilus: when is the situation when `include` ing the same module into a class more than once can have an actual effect?
<banisterfiend>
as opposed the second inclusion being ignored
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<TTilus>
banisterfiend: module Mod; def self.included(base); puts 'foo'; end; end; class Foo; include Mod; include Mod; end
<TTilus>
banisterfiend: what about it?
<banisterfiend>
TTilus: without using the included() hook :)
<TTilus>
banisterfiend: changing rules is unfair!!1
<banisterfiend>
TTilus: no, because even using the included() hook has no real effect on the ancestor chain
<banisterfiend>
im not interested in that
<banisterfiend>
im interested in a change to the ancestor chain from multiple includes
<banisterfiend>
of the same module :)
<TTilus>
banisterfiend: you already ruled out included() being defined in the included module so i guess you'd also rule out overriding include() in the including class =D
<banisterfiend>
TTilus: im not asking for any clever hacks
<banisterfiend>
it's actually an interesting issue that arises from ruby naturally
<banisterfiend>
you can illustrate it without weird hacks and tricks
<banisterfiend>
TTilus: anyway the answer is if you subsequently include another module into the first
<banisterfiend>
i.e
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<banisterfiend>
module M; end; class C; include M; end module M; include N; end; class D; include M; end
<banisterfiend>
D gets N in its ancestor chain too
<banisterfiend>
but C does not :)
<TTilus>
banisterfiend: true
<TTilus>
banisterfiend: for a moment i thought the order or ancestor list might be subject to change on reinclude, but it wasnt
<TTilus>
(tried it)
<banisterfiend>
yeah
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<TTilus>
banisterfiend: hmm, you dont actually REinclude M in any class there
<banisterfiend>
TTilus: ok, well reinclude it in C :)
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<TTilus>
banisterfiend: hah, i misinterpreted rb_mod_append_features
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<TTilus>
banisterfiend: it sure does rb_include_module every time independent of the mod being previously included or not
<banisterfiend>
TTilus: if you look at the details of the inner loop, it skips over modules that already exist in the ancestor chain
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<banisterfiend>
TTilus: it would be stupid if it didnt ;)
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<mfournier>
I need to edit xml files but must keep comments and indentation after saving changes. Any suggestions which library does that ?
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<Tasser>
mfournier, nokogiri doesn't?
<Tasser>
mfournier, and why do you need indentation?
<mfournier>
Tasser: the need is to programmatically edit config files, which can also be manually edited by users.
* mfournier
checking out nokogiri
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<Tasser>
mfournier, you could reindent the xml
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<mfournier>
Tasser: yes, this would be good enough. Any idea if <!-- --> comments would be kept on .to_xml ?
<mfournier>
Tasser: will test, thanks for the input :)
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<mfournier>
Tasser: cool, thanks ! :-)
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<poppiez>
I have a Rakefile where I want to include another .rb file. what's the way to do so? I'm doing something like this now http://pastie.org/3691222 but I think it sucks :D
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<scalebyte>
are lambda and proc same ? I read somewhere that in proc the we can call a break and it will pass the value out unlike in lambda which will return the final value after the entire block is processed
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<banisterfiend>
scalebyte: no, they're not the same. But no, the difference you mentioned doesn't exist
<shevy>
I think .start_with also works, or however was the name
<shevy>
hai robert_ !
<robert_>
how goes it?
<shevy>
robert_ I will never again do a full rewrite of anything I wrote
<fowl>
shevy, you probably didnt try it
<becom33>
shevy: Im still confused
<shevy>
becom33 open irb
<robert_>
shevy: lmao. what happened?
<fowl>
lolol nvm it works
<shevy>
robert_ well, I am still at like 20% rewrite status... and I dont want to rewrite the rest
<shevy>
but it is a problem, because it worked BETTER before the rewrite :(
<robert_>
shevy: ouch. I'm done with my rewrite.. mostly.
<shevy>
even though the code sucked
<shevy>
lucky you
<robert_>
aha.
<robert_>
yeah.
<shevy>
I hate you now :P
<robert_>
though it took me two weeks to get this far, so. :P
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<becom33>
shevy: on ur script you've checked if http://www is there if not you have added them right ? but I wanan check if http is there if not add and if www is add it
<shevy>
becom33 where is the problem man
<scalebyte>
apeiros_: where is the implementation ?
<apeiros_>
scalebyte: show me yours, I show you mine
<shevy>
oops
<shevy>
.include?
<shevy>
apeiros_ yeah SHOW US!
<shevy>
time to compare "implementation details"
<scalebyte>
apeiros_: I am working on it
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<shevy>
ewww
<shevy>
kinky!
<scalebyte>
shevy: ||
<shevy>
becom33 basically just assemble your string the way you need it to be
<fowl>
becom33, ruby is an awesome. you said what you want, "if http:// isn't there add it, if www. isn't there, add it" can be translated almost directly to ruby
<becom33>
shevy: I was confued I wasnt sure how your logic is gonna help me. well I got what you did there . well its much easire if you look at this http://pastebin.com/xrKaRuGH
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<fbernier>
fonction detat
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<shevy>
becom33 zeah, that does not change the string though
<shevy>
but if zou onlz need the result anyway, then that works
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<fowl>
wow
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<royvandermeij>
hey guys, i'd like to make some core extensions which are only available in my own module
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<royvandermeij>
but I have no idea how to do that
<royvandermeij>
it's for a gem and I don't want to interfere with other gems with my core extensions
<banisterfiend>
royvandermeij: too bad i guess :)
<royvandermeij>
hmm I see ruby 2.0 gets the refine method to do exactly what I want
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<shevy>
yeah my keyboard was confused
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<workmad3>
royvandermeij: you'd need to extend instances that you create and need to have your extra functionality, or create proxies for then that wrap them with your extra functionality that you use internally
<workmad3>
royvandermeij: but until ruby 2.0 becomes widespread, you won't be able to extend core itslef in the controlled way you want
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<royvandermeij>
workmad3: that would be my last resort, but then you can't do just "bla".do_stuff
<workmad3>
royvandermeij: indeed you can't
<royvandermeij>
all right, thanks for the heads up :)
<workmad3>
royvandermeij: you'd need to do "bla".extend(MyStuff).do_stuff instead ;)
<delinquentme>
hey all when it comes to class instances and using classes in your code ... at what point does it become ... necessary? I'm coming at this from rails .. and im about to sit down and rework a bunch of code and considering if I need to build it with classes and class instances
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<delinquentme>
basically I'm wondering the benefits of the practice ... specifically as it pertains to storage of that classes values
<banister_>
delinquentme: how did u built it before?
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<delinquentme>
banister_, just using variables ( not instance vars ) and just saving them then overwriting on each iteration
<delinquentme>
no new classes
<delinquentme>
a few methods
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<banister_>
not really sure what you're talking about tbh maybe u should ask on #rubyonrails
<delinquentme>
banister_, i think this is more of a ruby question as it pertains to proper ways to use classes and class instances
<banister_>
delinquentme: but really if you're programming in a procedural way in an OO language
<delinquentme>
where its not quite about rails idioms
<banister_>
delinquentme: then you need to read a book on OOP :D
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<delinquentme>
banister_, got a more efficient option?
<banister_>
delinquentme: i think it's more of a general OO question than a ruby question, and you normally get a basic handle on OOP through a book IMO
<delinquentme>
rtfm == long and PITA
<banister_>
some things you need to read about to get an understanding of the theory
<delinquentme>
yeahh i need like OOP for nubs in 2 pages
<delinquentme>
have any references sub 10 pages?
<banister_>
delinquentme: well, i gues smost people here did a degree in computer science, so we spent 3-4 years rtfm :)
<delinquentme>
yeahhh im sorry for those people :D
<delinquentme>
im sure they know more than I do
<delinquentme>
but im the kid after lifes TLDR
<grafthez>
hey. I'm trying to grasp object model in ruby and gettin confused. I create class like: class Sample; def hello; puts "hello" end; end
<banister_>
delinquentme: start with the wikipedia page on object oriented programming
<grafthez>
now where is hello method stored?
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<grafthez>
in Sample? in Sample.class
<grafthez>
?
<banister_>
grafthez: in Sample
<grafthez>
I'm doing Sample.methods.sort and can't see it there
<delinquentme>
ruby modules ... do they contain classes?
<any-key>
they can
<any-key>
but they don't have to
<delinquentme>
ok awesome
<any-key>
a module can contain whathaveyou
<delinquentme>
i was asked to compare modules and classes
<apeiros_>
scalebyte: got your solution yet?
<apeiros_>
delinquentme: job interview?
<scalebyte>
apeiros_: no Now I am working.. give me your answer Leme have a look
<delinquentme>
i said you can instantiate classes and theyll have associated methods ... but modules can contain classes and might contain classes
<delinquentme>
apeiros_, correct!
<apeiros_>
scalebyte: I'm here quite often, just ping me
<delinquentme>
learned the apprope usage of 'monkey patching'
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<scalebyte>
apeiros_: I am pinging you now !! :)
<apeiros_>
delinquentme: good question, might use that one myself for job interviews
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<apeiros_>
delinquentme: note that Class subclasses Module
<apeiros_>
and that Class can serve as namespace just the same as a module can
<delinquentme>
namespace
<delinquentme>
that was something I didn't know
<delinquentme>
ohhh so Module < Class
<apeiros_>
yes
<apeiros_>
Class.superclass # => Module
<delinquentme>
ahhh
<delinquentme>
what??
<any-key>
dooooood
<apeiros_>
so technically, Module is the only thing in ruby that can hold methods
<any-key>
that's deep
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<delinquentme>
wait so classes inherit from modules
<delinquentme>
yes.
<apeiros_>
no, Class inherits from Module. that's not the same as classes inherit from modules ;-)
<apeiros_>
classes can inherit from modules, that's what you use include for (notice SomeClass.ancestors after you did `class SomeClass; include SomeModule; …`)
<delinquentme>
wait if Class< Module ... then how Class.superclass #=> Module
<delinquentme>
?
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<delinquentme>
wait wait
<delinquentme>
derrrr
<delinquentme>
whats the part of classes inheret from modules?
<Progster>
delinquentme: what?
<delinquentme>
no, Class inherits from Module. that's not the same as classes inherit from modules ;-)
<delinquentme>
^ ^
<delinquentme>
meh!
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<delinquentme>
\# Assigns the preferred dog names to a class variable.
<delinquentme>
whut is this notation
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<apeiros_>
a non-existent
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<zxiest>
Hello everybody :-)
<zxiest>
Do you guys know if there's a way to get an UnboundMethod from a public_class_instance ?
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* apeiros_
doesn't even know what a "public_class_instance" is supposed to be…
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<apeiros_>
you can get UnboundMethod objects only from a class' or a module's instance methods
<zxiest>
apeiros_ I'm trying to get the source of a class method... I'm trying to create an "include_smart" that takes modules and replicates modules' class methods to become class methods for classes including the module.
<zxiest>
apeiros_ I'm looking for something similar toinstance_method(:foo).source , but for class methods
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<wenbert>
hi. how would I convert this: 2012-02-21 12:13:27.273731000Z to something like this: 2000-10-29 (or vice-versa)
<any-key>
DateTime.parse
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<any-key>
then use one of its many methods for formatting dates
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<wenbert>
looking up DateTime.parse
<any-key>
it's in the standard ruby libs
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<zxiest[a]>
apeiros_ nvm =) I found a way
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<wenbert>
any-key: thanks
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<any-key>
enjoy, working with dates and times always sucks, even though datetime is a decent lib
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<any-key>
:P
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<cocoadaemon>
shevy: followup to the whois trouble : works now. Forced ruby Debian install to update on its own.
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<CannedCorn>
hey guys, when i try to connect a socket using OpenSSL im getting an error SYSCALL returned=5
<CannedCorn>
i know it has to do with certs, via google,
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<CannedCorn>
but i wanted to understand it a bit more
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<shevy>
cocoadaemon hehe
<CannedCorn>
setting verify_none seems like a bad option
<any-key>
yes, some gems include OS extensions that must be compiled first
<cocoadaemon>
which is annoying for prod servers right
<cocoadaemon>
?
<any-key>
meh
<any-key>
it's not that bad, but tbh I'm not a deployment guru
<cocoadaemon>
well, it's a pretty solid way to allow a hacker to gain permissions
<any-key>
you stage, THEN go to production
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<any-key>
you're referring to someone doing a man in the middle when you're pulling down gems?
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<cocoadaemon>
nope. more like gain access through a non root account and then compile your way to the top :)
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<any-key>
so you're referring to malicious code being placed in a gem?
<any-key>
how is this any different than a BSD-style ports system?
<any-key>
you only pull down and compile code from trusted sources
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<cocoadaemon>
nope that's not what I'm saying, it's more a system wide threat than only a ruby one
<ggherdov>
Hi all. I have got a situation here. Briefing: I am competing for the Equal Pay Challenge, http://equalpay.challenge.gov/ , i.e. build an app on the theme "women are paid less than men to do the same thing". The goal of the game is to exploit governamental data to prove the point. The organizers point to http://developer.dol.gov/ which is a true gold mine for data. They provide a Ruby API. This API does GET requests like http://past
<ggherdov>
plus some authentication.
<ggherdov>
QUESTION: can you guess if this API support introspection? I'd like to know all the method that I can pass to the GET. I quite don't have time to write to the government for that. Given that they appear to be ruby people, how do you expect they implemented this? Is there any hidden ninja query I can try to get all supported method? I thinking of XMLRPC here, where this is supported by the standard (I think.)
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<any-key>
cocoadaemon: I'm not following; yes, if an attacker can run code as an unprivileged user they can potentially escalate to root, but how is this attacker gaining access to your user account?
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<cocoadaemon>
any-key: any compromised software or account.
<keymone>
ggherdov: why don't you read api documentation?
<ggherdov>
because it is very scarce.
<cocoadaemon>
any-key: thanks for your help I'll investigate that
<ggherdov>
I did read it.
<keymone>
then read the code
<ggherdov>
just to tell you, the sample code is a png screenshot.
<ggherdov>
keymone: no code man! it's aGET. I cannot SSH into their server...
<wenbert>
what is causing this: undefined method `gsub!' for Sun, 29 Oct 2000:Date ?
<any-key>
wenbert: date isn't a string
<keymone>
ggherdov: > They provide a Ruby API. This API does GET requests
<any-key>
wenbert: you can convert the date object to a string
<ggherdov>
keymone: correct.
<keymone>
read the ruby api code they provide to know what requests you can send
<ggherdov>
this request turned out to be a plain HTTP GET
<any-key>
cocoadaemon: what does that have to do with ruby gems though?
<ggherdov>
it's up to the client of their ruby lib to write the request.
<ggherdov>
they just pass it to GET.
<ggherdov>
*I* have to write the request.
<wenbert>
any-key: :timeline_date => DateTime.parse(item.immunized_on.to_s) || item.created_at --> I get invalid date :|
<ggherdov>
they just give one (1) example.
<cocoadaemon>
any-key: that gem install requires gcc?
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<any-key>
cocoadaemon: there is probably a better way of deploying gems to production; that's not my area of expertise
<ggherdov>
keymone: this delightful example is (in png format I repeat) a sample of client code . the only thing they give you.
<cocoadaemon>
but that's a non problem : I'll install and once the gem repos is ok, then I'll uninstall
<cocoadaemon>
any-key: I suppose that's why debian goes the apt-get way
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<ggherdov>
keymone: do you see the 'DOLAgency/Agencies' thing ? That's up to you to write
<keymone>
ggherdov: mkay, don't know how to help you then
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<ggherdov>
keymone: is there a standard way to write the other end ( the server) of such a service in Ruby? that is basically my question. If I know some info on the server, I might discover that it offers introspection by default, smthg like GET TellMeAllThings
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<cocoadaemon>
also, which recommandation for : tiny ruby web framework ?
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<ggherdov>
keymone: anyway, thank you for your attention. I'll try to find the answer somehow. bye. --btw i'll lurk here some more time, in case you get any idea.
<any-key>
cocoadaemon: sinatra
<goiken>
having issues with bundler… (using rvm and ruby 1.9.2.) I successfully ran `gem install bundler` but `bundler install` isn’t found. http://pastehtml.com/view/bszevx824.txt
<cocoadaemon>
I just need the most simple api : receive domain, return whois fields in json object
<cocoadaemon>
any-key: ok
<any-key>
goiken: bundle install, not bundler install
<goiken>
any-key: no… (i did it right in the link)
<any-key>
wenbert: anything that isn't nil except for false is true
<any-key>
wenbert: you can check for an empty string
<wenbert>
thanks again any-key
<any-key>
no problem
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<ggherdov>
keymone: looks like I am a moron. There is 25 pages PDF on the sites detailing all possible calls. sorry for the noise.
<wenbert>
any-key: now that i have it right http://pastie.org/3692446 how would I make those statements shorter? (ruby way)
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<Progster>
Why do all the zip libraries I've looked at (rubyzip and zipruby), go off of filenames? I'm uploading a zip to a rails app, and I'd rather just pass it the damn stream.
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<wenbert>
am I able to sort an array of hashes using Date as the sort key?
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<rippa>
why not
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<any-key>
wenbert: why are you converting a Date object to a string and then back into a Date object?
<any-key>
that seems silly
<td123>
what is the line (comment) to include in a ruby source file if you plan to use unicode chars in it?
<wenbert>
any-key: because either could a Date or DateTime :|
<any-key>
DateTime::to_date is what you want
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<keymone>
ggherdov: heh it's ok good luck
<ggherdov>
keymone: thx!
<td123>
ah, found it finally after a couple of pages on google.. you need to put # encoding: utf-8 at the top of the file
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<wenbert>
any-key: let me try to convert the DateTime to Date
<wenbert>
any-key: wow thanks. especially for the ternary operator example
<any-key>
the ternary operator is a bit silly, but that's the only "clever" thing I could think of to revise your code
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<wenbert>
thanks any-key... i was trying the .to_date earlier but got errors. now I understand why. I was hitting the nils
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<rcrossan>
for ruby logging, is there a command to have it ignore certain lines? Currently running it with win32/screenshots, but errors on screenshot lines
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<any-key>
I typically filter log files with some other thing that filters out lines that match a regex
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<brianosborne>
Hi all, I had ruby installed via RVM but have since decided to install ruby from source. I've completed that, and removed RVM by running "implode rvm"
<brianosborne>
however, all my gems are still going to /usr/local/rvm/
<brianosborne>
did I screw something up here?
<brianosborne>
ah nvm think I got it
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<`brendan>
anyone have a good resource/tutorial on reading up on how to delete files based on age?
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<`brendan>
ie: delete files from 'x' dir older than 14days
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<evilgeenius>
What decent and popular ruby libraries use blocks extensively?
<evilgeenius>
My co-worker doesn't like rubys blocks
<evilgeenius>
I just want to convince him that he's using them all the time!
<Sou|cutter>
rspec
<norm>
eventmachine
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<norm>
not liking ruby blocks is like not liking santa claus
<any-key>
eventmachine is an awesome example
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<evilgeenius>
we don't use EM
<evilgeenius>
does rails or activerecord use blocks much?
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<any-key>
all over the place
<apeiros_>
evilgeenius: your coworker seems to be an idiot
<any-key>
check out the form_for helpers
<n3m>
Hi, how can i get input from a user while he is still typing? (in a command line app).
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<evilgeenius>
apeiros_: he's my boss :-)
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<any-key>
he must not understand ruby then
<otters>
n3m: highline
<apeiros_>
I'm not sure whether that was meant as acknowledgment… :)
<evilgeenius>
my other co-worker who ony uses perl has just had a laugh at ruby's blocks as if they are shit
<apeiros_>
evilgeenius: core/stdlib is chock full with block usage. Enumerable e.g.
<evilgeenius>
form_for is a good one to throw in his face :-)
<any-key>
evilgeenius: enumerable and all of the functional programming constructs are amazing
<evilgeenius>
any-key: I know that for sure.
<evilgeenius>
What about HAML?
<n3m>
otters: thx
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<any-key>
evilgeenius: haml isn't ruby, it's just a language that gets parsed
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<evilgeenius>
any-key: ah ok, I thought it used blocks everywhere..
<any-key>
nope, it's its own deal
<any-key>
it gets translated to erb and stuff
<any-key>
you embed ruby in it just like you do with erb templates
<evilgeenius>
Does activerecord use blocks much?
<any-key>
yes.
* any-key
parts
<evilgeenius>
any-key: in what ways? for scopes?
<apeiros_>
yes, but scopes are bad examples
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<evilgeenius>
apeiros_: what's a good example of block usage in rails? apart from form_for and the like..
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<Sou|cutter>
evilgeenius: how about respond_to blocks?
<evilgeenius>
Sou|cutter: hmm.. we don't use them much at all here
<Sou|cutter>
evilgeenius: why don't you just search over your codebase then? Hard for us to guess what you're using
<evilgeenius>
Sou|cutter: well this guy uses rails
<sako>
hey all, we are using unicorn and are experiencing unusually high load today... is it possible we have too few workers running and are stalling up things?
<antaine>
Hi, what is your advice to compare two excel files ? roo / spreadsheets gem ?
<sako>
possibly longer requests taking over the workers and the short ones are there waiting for workers to free up? that wouldn't cause cpu% to spike up though right?
<SullX>
williamcotton: can you use rescue blocks outside of have begin,rescue,retry,end etc
<SullX>
having*
<williamcotton>
hmm, I'm not sure if you can or not, but why would you want to?
<SullX>
because I already am using a begin,rescue,retry,end set
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<SullX>
and I don't want to embed another (nor do I know if it is possible)
<williamcotton>
can you paste your code somewhere so I can take a quick look?
<williamcotton>
gist.github.com is a good place
<SullX>
unfortunately no. it is very large, and it's internal (read: NDA)
<SullX>
but
<williamcotton>
well, write up something that sort of operates like it :)
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<SullX>
what I can say is that I am doing web application testing with watir, and the page I am testing loads a few elements that have an html class that cycles randomly on each http load. this makes selecting these elements more difficult to application test each time. so i want something like if browser.div(:class=>'class-that-cycles-01').click throws exception do browser.div(:class=>'class-that-cycles-02').click
<SullX>
williamcotton: ^
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<williamcotton>
whoa, well I'm not very familiar with that approach… I do all my DOM programming in javascript :)
<williamcotton>
including testing
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<williamcotton>
(he says, like he actually writes tests)
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<SullX>
ah, gotcha
<SullX>
maybe I could do a search first..
<williamcotton>
what I will say, is that if you're trying to catch all exceptions, you might be thinking about the problem wrong
<williamcotton>
or not, who knows, but that's just from my experience
<ekaleido>
can someone take a quick look and tell me the proper method, if mine is wrong? http://pastie.org/3693527
<williamcotton>
and, if you're having to jump through a bunch of crazy hoops to test something out properly, it might be a sign that you need to refactor the code that you're trying to test
<SullX>
no, your right. I could specify for this particular exception but I would need some way to get back in to the loop after the rescue
<williamcotton>
one of the benefits to writing test is that it sort of forces you to write good, modular code
<williamcotton>
(again, I'm saying this like I actually write a bunch of tests, haha)
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<SullX>
williamcotton: well thanks for the help and advice
<SullX>
:)
<williamcotton>
no prob, sorry I couldn't help in a more direct manner!
<`brendan>
past_time = Chronic.parse("#{time} + in days").to_i is what i want
<`brendan>
ty
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<ekaleido>
how can i combine the word line with the variable z that equals 0 to get line0
<ekaleido>
i keep getting fixnum and string errors
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<ekaleido>
exit
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<jscoder>
Hi, I'm new to Ruby and am reading about operators right now. I added ^ to the FixNum class. What would be the best way to add that function to all number classes?
<`brendan>
i had better success on my windows box with ruby+chronic
<`brendan>
unreal
<`brendan>
:/
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<matti>
shevy: Debian was made to punish peple.
<matti>
shevy: Its 99th circle of hell.
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<shevy>
`brendan your loss for picking debian :>
<`brendan>
not my decision to make
<`brendan>
it could also be chef battling with it
<`brendan>
but chef is made w/ ruby
<`brendan>
:/
<shevy>
your decision to use the apt-get disaster
<`brendan>
didnt install chef via apt-get
<`brendan>
:D
<Boohbah>
debian is not the greatest ruby platform
<shevy>
oh see, that is the first mistake
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<shevy>
if you abandon the apt-get way, you cant expect things to work in this fragile framework anymore
<`brendan>
why is the framework so fragile then? :D
<shevy>
simple
<shevy>
the people who created debian are idiots
<`brendan>
how would you recommend ruby be installed for a centos machine?
<shevy>
oh, you should not ask me. I would rip apart everything and compile ruby from source
<shevy>
btw you notice how noone defends debian here? :)
<shevy>
<Boohbah> debian is the greatest ruby platform
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<`brendan>
ehh.. i'll install from source
<`brendan>
its only production :/
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<`brendan>
blah
<RubyPanther>
well, Ruby is one of the upstream packages they have a history of hijacking, they think they know more about how to package Ruby than the core Ruby devs, so... what else is there to say?
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<`brendan>
i just don't want to fuck this machine up
<`brendan>
heh
<`brendan>
lovely day
<shevy>
`brendan yeah. stay within the boundaries of your distribution :)
<froy>
shevy, what do you think is the best ruby platform?
<RubyPanther>
Since a developer uses numerous tools, an ideal platform has to respect upstream broadly so that local best practices can apply to each tool
<shevy>
frop a source installation of course
<shevy>
ideally one that uses AppDirs
<froy>
so linux-from-scratch or gentoo?
<shevy>
nah
<shevy>
LSF is just for teaching really
<froy>
oh, roll-your-own package management?
<shevy>
you need package management when you use appdirs? what for? :)
<froy>
I'm actually a fan of gentoo. it's really easy to roll-your-own anything in it, and keep it all package managed.
<froy>
dependency management
<`brendan>
ehh
<`brendan>
fuck it, uninstalling chef on the ubuntu box and going to do ruby via apt
<`brendan>
see where that ends up
<shevy>
in pain
<`brendan>
either way, its the only machine i have to test
<`brendan>
besides this windows laptop
<froy>
all the people I know who use binary distros end up doing what you say, compile their own stuff outside of package management
<`brendan>
im concerned about installing ruby on to our centos box b/c its the mail server
<shevy>
froy, what package management? versioned directories = management
<froy>
all fine and dandy until a c library changes or something
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<`brendan>
rvm a better solution for ubuntu?
<shevy>
dunno
<shevy>
I think they have their channel here #rvm
<shevy>
you are going to leave your distribution-solution? ;)
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<RubyPanther>
`brendan: you should have no troubles with Ruby anything in the RH family, but you should be using rvm or rbenv and bundler
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<katya^>
ruby was a bit frustrating the other night
<katya^>
but a day of working with asp.net/webforms has made me appreciate it
<katya^>
ruby+rails* i should say
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<Tasser>
katya^, then say it in #rubyonrails
<katya^>
there's a channel for that? :O
<shevy>
they wont listen
<katya^>
but regardless
<shevy>
they are too busy making money
<katya^>
it's nice that it's not as painful
<newfprag>
I'm a Sinatra man myself, but meh
<Tasser>
katya^, there are as many people there, probably even more
<Tasser>
katya^, if you take a look at rubygems, rails is by far the most famous gem
<RubyPanther>
Camping makes people quake and fear under animal carcasses.
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<davidcelis>
or INSIDE animal carcasses
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<sixdahs>
anyone have any suggestions for renaming files with ruby based on a regex?
<Squarepy>
sixdahs, so is it a scope problem, it looks ok
<denysonique>
RubyPanther: but I still don't see serving a pure CGI ruby app
<indeterminate>
1.methods lists things like :+, :-, and other operators. I'd like to iterate over some of those operators--the mathematical ones. What's the cleanest way to do that? (Assuming I already know the method names I'd like to iterate over.)
<denysonique>
this isn't ruby cgi syntax, this is rack syntax
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<RubyPanther>
denysonique: you can use rack and create your run method just use CGI from the stdlib. rack just tells you how to call it, and allows the modern web server modules to run it via passenger (or unicorn or whatever)
<denysonique>
RubyPanther: ok thanks
<RubyPanther>
You could simply use traditional apache CGI and it would work fine with the stdlib CGI
<denysonique>
but I am looking for a ready example, I hoped that someone already done this and could quickly explain how to, so I could start off in 10 second
<denysonique>
s
<RubyPanther>
there is a hello world in the CGI doc, yes?
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<denysonique>
RubyPanther: but there is no example how to serve that CGI
<mfridh>
hmm, is it because of the f.grep block I return it from?
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<robacarp>
hold, grokking
<ceej>
robacarp: k, is that so know when they are all done? (I'm googling now)
<robacarp>
ceej: yes
<ceej>
robacarp: k, thank you again
<mfridh>
robacarp: it's line 16 that returns the hash inside an array
<robacarp>
np, good luck. you might want to research mutexes too....
<robacarp>
mfridh: I *think* you could sort this out a lot cleaner between lines 5 and 21, just from a glance, that would make it easier to understand.
<mfridh>
yeah, probably. this is first stab
<mfridh>
if I could just figure out why the hash is inside an array
<robacarp>
that said, your 'output of value' section is calling dtectl, but the function as defined above is dcetl_monut
<robacarp>
dcetl_mount, rather
<mfridh>
robacarp: imagine you put the 'p dcetl' after line 24
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<robacarp>
yes, but you don't have a function definition for dcetl