Topic for #ruby is now Ruby programming language || ruby-lang.org || RUBY SUMMER OF CODE! rubysoc.org/ || Paste >3 lines of text in http://pastie.org || Para a nossa audiencia em portugues http://ruby-br.org/
<lantins>
heh =)
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<davidcelis>
cool story
<any-key>
that's not annoying
<davidcelis>
certainly not
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<shevy>
lantins you were the python guy?
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<lantins>
shevy: depends on how much street cred I get for saying 'yes' ;)
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<lantins>
shevy: no, I've never really used python at all, so I can't be 'the python guy' =)
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<davidcelis>
tnk1: Stop
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<shevy>
ah ok lantins I think I confuse you with ... led... len... someone else hehe
<lantins>
shevy: i got a feeling your thinking of progrium / Jeff Lindsay?
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<slide>
Does anyone know how to fix this error im on a mac "dyld: lazy symbol binding failed: Symbol not found _SSL_library_init"
<shevy>
lantins not sure, some guy here on #ruby who was wanting to learn ruby, coming from python
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<shevy>
could be that name yea
<lantins>
shevy: ah okay, it prob isn't who im thinking of, but i had some crazy logic going on in my mind to come up with that anyhow...
<lantins>
slide: iirc... last time I had an issue like that I had installed a gem's c dependency from source... I had to play around with my DYLD_FALLBACK_LIBRARY_PATH env setting
<slide>
ah thanks lantins finally someone offering some help :D
<lantins>
slide: I make no prommises it will actually help heh
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<slide>
well, that alone is some where to go (of which i had no idea heh)
<lantins>
slide: did you install openssl via macports etc. or source?
<slide>
yes, via brew, but mac has a built in copy of openssl already
<lantins>
do you need to use a spesific version for a gem? or do you not mind?
<slide>
im not aware of any version specific requirements
<shevy>
slide I'd offer to help too but I have no idea about that. it seems as if you have some library which lacks a symbol. perhaps it was not compiled into that library
<lantins>
slide: okay, where does brew install things to? i've never used it before to be honest. I'd try adding that to your DYLD_FALLBACK_LIBRARY_PATH
<slide>
it should be standard in libssl
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<slide>
lantins, yea, this is my first experience with it too. It doesn't actually install libssl to anywhere because macos expects the old built in version
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<slide>
in my env i dont even have a DYLD_FALLBACK_LIBRARY_BACK or even a DYLD_LIBRARY_PATH var
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<shevy>
just try to set it to see if that makes any difference?
<shevy>
though I should be quiet. I know nothing about DYLD*
<slide>
i set it to /usr/local/Cellar/openssl/0.9.8r/lib but it didnt help
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<lantins>
I have to admit, how libs work in os x has always screwed with me... I've no problem with linux however.
<slide>
is dylib the same as so? b/c there is no so
<lantins>
slide: it seems different to me, you dont have a ld.conf or ldd realted tools, or something equivlant, or not that ive ever found
<offby1>
hi folks. Ruby nuby here. http://pastie.org/3121939 shows that when I try to use "testrb", from test-unit, to invoke a file whose name ends in ".tu", it fails, whereas the same file with an extension of .rb works fine. I suspect the problem is due to test-unit using "require" rather than "load" to load the file-under-test ... my question: is there an easy way to get test-unit to load my file, without changing its name?
<ReinH>
offby1: why do you want to name it wrong?
<ReinH>
an easier solution would be to name it properly
<offby1>
ReinH: well, that's not an option.
<ReinH>
what
<ReinH>
how on earth can naming your files correctly not be an option?
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<ReinH>
if you're doing it wrong, don't be surprised if it doesn't work
<offby1>
because to me ".tu" is the correct name. We have lots of tests in different languages, and we name them based not on the language they're written in, which isn't interesting; but instead by the style oof output they emit.
<slide>
well thanks for yalls help so far :) ill keep trying hehe
<lantins>
slide: good luck!
<ReinH>
offby1: you're wrong.
<ReinH>
they should be named .rb
<ReinH>
Part of speaking a language is accepting that its conventions may be different from other langauges you are used to
<offby1>
that's a shame.
<ReinH>
whatever
<ReinH>
I'll go with the entire ruby community over you
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<slide>
yea actually, i can use nm -gU /usr/lib/openssl.dylib | grep _SSL_library_init and it in fact does contain that symbol
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<slide>
so its definitely failing to load the actually lib it seems
<lantins>
thats awesome ReinH, but that totally doesn't help offby1 does it
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<ReinH>
lantins: nothing can help him do something broken
<ReinH>
the best advice I can give him is to do it not broken
<ReinH>
if that's not acceptable to him
<ReinH>
I just have to move on
<lantins>
I'd name it .rb MYSELF, but its not like its an impossible problem for him to get around?
<ReinH>
yes, it is
<ReinH>
unless he wants to rewrite ruby
<ReinH>
require and load have different semantics
<offby1>
I realize that.
<ReinH>
the semantics of require are incompatible with naming his file .tu
<offby1>
I realize that too.
<ReinH>
the semantics of load are incompatible with running his file for test/unit
<offby1>
that, I didn't realize.
<ReinH>
load will load a file whether or not it has been loaded before
<ReinH>
that is undesireable
<ReinH>
so unless you want to track loaded files yourself out-of-band, which would require at least a rewrite of test/unit
<ReinH>
you need to name your files .rb
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<ReinH>
I mean, or you could just use the convention that every other ruby developer in the entire world has used for over a decade
<ReinH>
besides, why on earth would you name a file based on *what it outputs* instead of what it contains?
<workmad3>
ReinH: insanity?
<offby1>
because that's useful?
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<ReinH>
offby1: it's ridiculous
<offby1>
if you say so
<ReinH>
imagine if every file were named that way
<banisterfiend>
offby1: wow, you're in #ruby, that's cute
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<offby1>
banisterfiend: and it's not been a very pleasant experience so far, I'll tell you that :-|
<banisterfiend>
offby1: hehehe, forced to learn it at work?
<offby1>
ayup
<ReinH>
I don't have much patience for special flowers
<banisterfiend>
offby1: it coudl be worse, you could be asked to program php
<ReinH>
I said "why don't you do the thing that every other ruby developer in the entire world does"
<ReinH>
and he said that it's *impossible"
<ReinH>
not that he didn't want to do it
<ReinH>
but that he *couldn't*
<ReinH>
and he is expecting *me* to be reasonable?
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<lantins>
offby1: im guessing you've got some kind of external test runner that runs tests for multiple languages?
<offby1>
lantins: that's the plan.
<offby1>
actually, I take that back
<offby1>
the plan is: each test script has a shebang line at the top that allows it to be run by simply typing the script's name.
<slide>
huzaah!!
<lantins>
offby1: okay, well if you only wany to run 1 test file at a time that's named .tu then there will be a way to do this... aslong as the ruby files there trying to 'require' all have .rb extensions rather then something else
<slide>
i got it! :D
<lantins>
slide: w00t!
<ReinH>
then why not make the shebang something like #!/usr/bin/testrunner --format=TestUnit
<slide>
DL::dlopen('/usr/lib/libssl.dylib');
<offby1>
lantins: I assume they only require files whose names end with ".rb".
<slide>
heh
<workmad3>
offby1: are you using minitest's autorun capability? :)
<offby1>
workmad3: no. Should I be?
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<offby1>
workmad3: although to be sure I _think_ I'm using Test::Unit::Autorun, indirectly.
<workmad3>
offby1: hmm, that probably is the minitest autorun stuff if you're on 1.9.2 :)
<offby1>
could be.
<workmad3>
offby1: it just makes it nice and easy to run the file standalone... I'm not quite sure why you're using .tu instead of .rb though
<workmad3>
offby1: would .tu.rb be acceptable?
<offby1>
perhaps.
<offby1>
the plan was to have test files indicate, by their names, which flavor of output they produced.
<offby1>
so ... I guess .tu.rb will work.
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<offby1>
At which point I'm gonna try to find a way to compile it and generate a .tu.rb.o file :)
<workmad3>
offby1: compile it to a .o? that'll be a 'fun' challenge :)
<banisterfiend>
lulz
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<offby1>
workmad3: it was a joke.
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* offby1
rolls eyes
<lantins>
heh
<workmad3>
offby1: given some of the people in here, I wouldn't have put it beyond a serious suggestion :P
<offby1>
heh
<offby1>
anyway, .tu.rb will have to do for now, I guess.
<offby1>
thanks.
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<freenodiz>
hello,i'm wondering how powerfull is a server running a rails or sinatra app, that have unicorn and nginx as aproxy.Roughly, how many hits/day ou think it could support?repeat,roughly..
<lantins>
freenodiz: thats a far too open-ended question to really answer. your application its self will effect how many requests per second a setup could perform
<workmad3>
freenodiz: can't really answer that... what bandwidth do you have, what speed is it, how many unicorn processes have you spawned, how heavy is the app?
<shevy>
he spawned 18 baby unicorns
<workmad3>
shevy: awesome :) that makes the world 18 unicorns more awesome
<lantins>
hah
<freenodiz>
is a linode account,and the app would be like a spree shop,with about 1000 ,roughly
<freenodiz>
not sure how many works tough,still learning,i managed to set a basic install of nginx and unicorn,basic,following bates
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<freenodiz>
1000 products*
<freenodiz>
how many workers*
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<freenodiz>
i just wanted to know the "weapon" i have installed ,lol
<evilgeenius>
Is there a way to convert a string that could be in any encoding into a utf8 string?
<freenodiz>
cmon gus,not enough info for a rough answer?
<freenodiz>
gus*
<freenodiz>
guys*
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<shevy>
hey i have no idea about unicorn freenodiz
<freenodiz>
:(
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<lantins>
freenodiz: same here. best thing would be to do some kind of load testing to really figure out if it will provide the performance you need
<freenodiz>
shevy,nvm,i know that i have a super bomb in my hands,i just don't know how powerfull it is...i will do some tests
<freenodiz>
lantins,yes,i will do some tests,ty
<freenodiz>
bwtter,understand unicorn process before,lol
<freenodiz>
i feel like inside a ferrari learning how to drive...i'm comic
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<banisterfiend>
freenodiz: lulz did u name yourself after the IRC network?
<freenodiz>
errr.....nope,lol
<banisterfiend>
freenodiz: irc network is freenode
<banisterfiend>
freenodiz: what does freenodiz mean then
<freenodiz>
ohhh.reallyy?
<freenodiz>
lol
<freenodiz>
freenodiz is the guy that comes far too much to freenode,bingo
<freenodiz>
it seems they don't mind,as i got even a cloak by the staff
<freenodiz>
do you like it?or you think is stupid ?
<freenodiz>
banisterfiend
<banisterfiend>
freenodiz: it's pretty weird to be honest
<freenodiz>
au rite,ty :)
<banisterfiend>
freenodiz: but that also makes it interesting
<banisterfiend>
freenodiz: so i suggest u keep it
<freenodiz>
yes,i was thinking to change...but i'm using for about 6 months...ppl know me already
<freenodiz>
i feel just a bit not original,that's all
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<freenodiz>
your is very wierd,fiend
<freenodiz>
is like a demon,or somenthing?
<freenodiz>
lol
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<freenodiz>
banisterfiend sounds like Ban this Ramster Fiend
<banisterfiend>
freenodiz: what country are you from ?
<freenodiz>
jamaica
<freenodiz>
you?
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<banisterfiend>
freenodiz: do you like jerk chicken
<freenodiz>
sure i do!my favorite,lol...and ganjaaaaa
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<banisterfiend>
freenodiz: cook me some jerk chicken
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<banisterfiend>
:D
<freenodiz>
hehe,then i send you trough email?
<shevy>
lol
<shevy>
here be intellectual battles again
<freenodiz>
what?chicken?battle?ganja?wtf?lol
<banisterfiend>
freenodiz: dont u think ganja is bad for your brain
<freenodiz>
no.ganja is religious for us
<freenodiz>
makes you contact god
<freenodiz>
rastafari
<Okasu>
ninja makes you contact god
<Okasu>
not ganja
<freenodiz>
ninja?
<Okasu>
ganja?
<freenodiz>
apples?
<freenodiz>
cmon guys,don't tell me you write code without a big joint by your side...i just couldn't do it
<freenodiz>
a joint and bob marley playing...chilling out...
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<freenodiz>
peace
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<v0n>
ho ok, I didn't see that inclusion in Canvas. Ok that really just for namespacing... ty ReinH, shevy
<ReinH>
np
<v0n>
do you like this kind of namespacing?
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<csmrfx>
well good questions
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<csmrfx>
I suppose it's part style, part trying to keep source ordered
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<shevy>
v0n it is needed to avoid clashing with same-names
<shevy>
or overloading that
<shevy>
def foo
<shevy>
vs
<shevy>
module Bla
<shevy>
def foo
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<shevy>
module Yah
<shevy>
def foo
<shevy>
hmm, or class, instead of module
<shevy>
I find class vs. module distinction a bit annoying :/
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<csmrfx>
class does magics
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<shevy>
sure, it is more useful than module. would be even more useful if it could be used like a module and define functionality into other classes
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<QleeX>
I am looking for a web developer to help launch the next version of a tournament\league\ladder website. PM me if you are interested and want further informations
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<csmrfx>
shevy: lol you mean inheritance
<shevy>
from class to class sure. classes are really the powersource of ruby
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<shevy>
does java have something like modules?
<csmrfx>
java uses multiple inheritance
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<csmrfx>
um, class based
<csmrfx>
not that I've touched the language in almost a decade
<zaargy>
java has singular inheritance
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<csmrfx>
lol so that figures!
<zaargy>
java doesn't really have anything like ruby's modules
<banisterfiend>
burgestrand: is that the issue you were having?
<burgestrand>
banisterfiend: yeah, pretty much, it’s not really an issue, but like you said a bit annoying :p
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<banisterfiend>
Yeah
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<burgestrand>
banisterfiend: wondering if I could patch the readline in ruby
<banisterfiend>
burgestrand: apparently this issue doesnt exist on linux
<burgestrand>
banisterfiend: yeah, I’m wondering if it’s the fault of the readline on os x or just bad assumptions of the author of the readline ruby extension
<banisterfiend>
burgestrand: the guy who posted that FAQ item apparently researched it and originally had a kind of patch he'd written pasted in there
<banisterfiend>
burgestrand: maybe if u go back through FAQ history u could find it
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<burgestrand>
banisterfiend: looking at ext/readline in ruby source the fix looks like a one-liner, I must be missing something
<banisterfiend>
burgestrand: awesome
<banisterfiend>
burgestrand: make the commit and add that "ruby core committer" to your resume
<banisterfiend>
;)
<burgestrand>
banisterfiend: :p
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<burgestrand>
banisterfiend: looks like an issue was opened for it… and closed about 24 hours ago
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<banisterfiend>
burgestrand: bad luck that sucks
<banisterfiend>
burgestrand: was their fix the same as yours
<burgestrand>
banisterfiend: by looking at the name it’s the same guy that brought the issue up that wrote it on the wiki
<banisterfiend>
hehe
<banisterfiend>
burgestrand: did you see his fix?
<burgestrand>
banisterfiend: yeah, was the same thing I was thinking; the fix they discussed in his issue though I have no idea how that’ll change anything, but if it does fix the issue I’m happy :d
<sj26>
any quick way to squash an array of numbers and ranges into non-overlapping numbers and ranges in ruby?
<burgestrand>
if I understand this correctly perhaps it’ll come in some patch-level of 1.9.3
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<mitchty>
think i'd prefer flatten over reduce in this case like so: 1..4,6..9].map(&:to_a).flatten
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<Okasu>
class_eval nice
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<Okasu>
it's funny that class_eval defines instance methods and instance_eval defines class methods
<Okasu>
s/funny/sick/
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<Okasu>
can yoive me some examples of class_exec with args?
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<Okasu>
i can't get
<Okasu>
.class_exec transfers args into block, right?
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<isaacs>
hey
<isaacs>
anyone here super familiar with ruby's Dir.glob stuff?
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<isaacs>
it seems to say in the code that Dir["**.js"] should be like **/*.js
<isaacs>
but it desn't seem to be.
<sj26>
fyi, this is what I came up with for sorting and merging a set of numbers and ranges: https://gist.github.com/1558727
<isaacs>
it'd be great if someone could tell me that i'm just misreading the docs, becasue that'd mean that i don't have to implement this behavior in miniglob ;)
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<aknagi>
hzlocky: This used to be the standard way of scheduling tasks on all Heroku deployements, and it is nice and simple. Why does the chat-bot need rake though?
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<hzlocky>
aknagi: I am not use Heroku anywhere
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<hzlocky>
aknagi: so, you recomend to use event_machine for twitter, right?
<aknagi>
hzlocky: My point is that cron'ing a rake task is not a inherently bad idea in and of itself.
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<hzlocky>
aknagi: the problem that I would like to send reply to sender asap, croning means that some latency will appear just of definitio
<aknagi>
hzlocky: I have never used event_machine, so I don't know anything about it I'm afriad,
<hzlocky>
n of croning
<hzlocky>
unfortunally heroku is still too expensive for individual using(
<aknagi>
hzlocky: Yes - in that case cron'ing seems a bad idea.
<aknagi>
How do you get the tweets - through the twitter api?
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<hzlocky>
yes, ( using twitter gem)
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<aknagi>
Could you poll for tweets in a loop - or is it more complicated than that?
<hzlocky>
eh, better then add event_machine
<aknagi>
hzlocky: I don't know, as I've never used event_machine. I guess events are better if you are doing alot of tweets, but if it's less then 100 a day polling is much more simple.
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<cek>
what do you use for background process scheduling?
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<S0lign0c>
yep oO
<rohit_help>
@shevy @canton7 thanks
<rohit_help>
:)
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<S0lign0c>
>> Matrix[[1],[2]] + Matrix[[2],[3]]
<S0lign0c>
=> Matrix[[3], [5]]
<shevy>
ohhhh
<shevy>
so I forgot a []
<shevy>
good to know :)
<S0lign0c>
shevy: the syntax is like octave o/
<shevy>
octave?
<shevy>
is that the music program?
<S0lign0c>
octave the Maths programming languages
<S0lign0c>
Version open source of Matlab
<shevy>
oh
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<bostonbenz_>
Hi all, does anyone know how to make a call to PHP library in a ruby file? I am using Magento(e-commerce) XMLRPC/SOAP API and they have examples for PHP client. I got tons of troubles trying to use Ruby SOAP/XMLRPC libraries instead and got tons of issues. So I am wondering if I can use the php library in my ruby file to get the data I want.
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<bostonbenz_>
Hi all, does anyone know how to make a call to PHP library in a ruby file? I am using Magento(e-commerce) XMLRPC/SOAP API and they have examples for PHP client. I got tons of troubles trying to use Ruby SOAP/XMLRPC libraries instead and got tons of issues. So I am wondering if I can use the php library in my ruby file to get the data I want.
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<v0n>
hey,
<v0n>
does anyone have a clue on how to compare 2 RGB colors?
<S0lign0c>
can I dou [[2], [4]] to [2, 4] ?
<S0lign0c>
v0n: no sorrycac
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<antonio21>
dsdsd
<v0n>
Like color1.almost?(color2) which will say true if they are visually approximative
<shevy>
S0lign0c, [[2], [4]].flatten # => [2, 4]
<antonio21>
love
<S0lign0c>
yes to late
<antonio21>
like
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<catphish>
why does gsub not play nice with backslashes?
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<dkr>
ah, weighting based on luminosity. yeah, neat idea
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<pietro_>
hello
<dkr>
I was also thinking 1,5,7 is more similar to 2,6,8 than 2,4,8 even though the absolute number difference is the same(adding or subtracting 1 from each) the ratio of the three differs quite a bit
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<rohit_help>
I have a table created in my database. Have not created any model or anything for it right now. Now I want to access contents of that table. What is the structured approach for such cases so that I can access the table from any controller?
<pietro_>
does anyone has some experience on setting up a project on Amazon EC2?
<pietro_>
how exactly do I set up the mysql database to run it from the ruby on rails project is what I would liek to know
<pietro_>
like
<apeiros_>
rohit_help: you want #rubyonrails ?
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<rohit_help>
@apeiros
<rohit_help>
sorry
<rohit_help>
confusion
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<dkr>
I just thought cloud formation could be used to setup stuff like ror and mysql easily. I had that bookmarked, but haven't had a chance to try it myself
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<any-key>
Is there a max length for ruby stack traces?
<any-key>
aka does it cut them off after a certain length?
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<davidcelis>
I don't believe so
<any-key>
damn
<davidcelis>
?
<any-key>
if it did for some odd reason that would make my life easier :P
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<workmad3>
any-key: you sometimes lose the entire stack trace with stack overflows, but other than that, I don't believe there's a limit
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<workmad3>
any-key: you could filter the backtrace though
<any-key>
my issue is the stack trace from tests I'm running only going through ActiveSupport and not actually showing me where in *my* code the problem is happening
<davidcelis>
any-key: gist the stacktrace
<davidcelis>
i want to see it
<apeiros_>
any-key: some apps/framworks do mess with the stacktrace
<apeiros_>
and even some libraries
<any-key>
one sec
<apeiros_>
IMO bad style and coders doing that should be spanked in public…
<workmad3>
any-key: that indicates that none of your code is on the stacktrace at the time... which generally indicates a problem in a callback somewhere :)
<any-key>
yeah, it's all good, I have a few leads now
<workmad3>
although it could also be a filtered backtrace (rails tends to be reasonable on that though... normally only removes framework cruft)
<gnychis>
what's the right way to test a value for Inf?
<apeiros_>
gnychis: .infinite?
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<gnychis>
apeiros_: thanks
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<shevy>
chuck norris ignores all checks on .infinite?
<apeiros_>
infinite is small compared to chuck norris anyway…
<Tasser>
(1/0.0).infinite?
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<Tasser>
=> 1
<Tasser>
strange check
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<Tasser>
1.0.infinite?
<zooz>
hi people
<Tasser>
=> nil
<Tasser>
wtf.
<Tasser>
did someone already file a bug?
<zooz>
how do I get a gemspec file for a specific gem?
<apeiros_>
Tasser: compare with -inf
<apeiros_>
it's 1,nil or -1
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<shevy>
the principle of least matz surprise can sometimes be a surprise
<davidcelis>
1, nil, or -1 makes sense to me
<davidcelis>
∞ and -∞ are, one might say, infinitely different
<apeiros_>
maybe they're touching on the other end…
<shevy>
but I think they are holding hands beyond infinity
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<shevy>
oh
<davidcelis>
i was about to say that holding hands is touching
<shevy>
do I see the moebius strip there
<davidcelis>
but then i remembered that "physical contact" is actually electron repulsion
<davidcelis>
so you never truly "touch" anything unless you define "touching" as the repelling of two or more electrons
<Muon>
it's all Wolfgang Pauli's fault
<shevy>
electrons truly hate one another
<davidcelis>
but that hatred fuels the universe, man
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<shevy>
where is the love :(
<soycamo>
Bratenberg's Vehicles?
<workmad3>
davidcelis: you're mostly empty space anyway
<Muon>
shevy: check out nuclei
<davidcelis>
workmad3: your mom is mostly empty space
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<apeiros_>
that's what she said…
<davidcelis>
i agree, though. i am most definitely a "the glass is 99.9998% empty" kind of guy
<Muon>
so, is the channel this off-topic usually?
<davidcelis>
Muon: when there aren't ruby questions being asked, why not?
<workmad3>
davidcelis: even when it's full
<shevy>
Muon Ruby could one day power the universe
<apeiros_>
Muon: sometimes… but I'd not say usually.
<Muon>
iiinteresting
<shevy>
you need to have visions
<Muon>
plural?
<soycamo>
Actually, there's been a lot of Ruby questions earlier
<soycamo>
speaking of Ruby questions, what is the state of USB stuff in Ruby?
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<zaargy>
oh usb stuff? oh yeah just great
<zaargy>
it's ruby support for usb stuff that made me fall in love with the language
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<davidcelis>
what
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<soycamo>
zaargy can you point to a gem or some example code please?
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<atmosx>
hello
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<shevy>
Muon sure. creative people have many visions
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<Amirh>
Amirh: tonight, I heard about _Why for the first time.
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<dbernar1>
Hi. I'm looking for confirmation, or otherwise, for HighLine as the library of choice for command-line interaction with users. Any opinions?
<dbernar1>
/ alternatives
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<any-key>
I cannot for the life of me figure out why my RVM installation of 1.9.2 is missing rake_test_loader.rb
<any-key>
anyone ever have issues with this?
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<polygon-pusher>
any one care to spend a little time helping me get my debug set up correctly?
<polygon-pusher>
I'm using apatana and I installed rdebug but I now get errors
<shevy>
polygon-pusher most won't use an IDE. many use vim. If you need an IDE to write ruby then I think you may be doing something wrong
<mrevil>
i was wondering if there was a way to do it without the {|n| Class.class_method(n)}
<apeiros_>
mrevil: even there you're not passing it a method, you pass it a block
<shevy>
I dont think you can pass arguments via the (&:bla) thing
<apeiros_>
Klass.method(:meth_name)
<mrevil>
you can
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<mrevil>
for functions
<shevy>
how?
<apeiros_>
gives you a Method instance, which can be converted to a proc, using the & syntax.
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<CannedCorn>
is 1.9.3 the first ruby to compile with clang?
<polygon-pusher>
there is something nice about managing files for a project in eclipse, regardless I dont thinks its fair to say I'm doing something wrong when I'm only trying to learn plus I'm sure many people use and IDE too
<mrevil>
what apeiros_ said ^^
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<shevy>
not sure how that answered it
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<apeiros_>
shevy: meth(&expr) <-- this passes expr as a block
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<Sailias>
&:expr ?
<Mon_Ouie>
That doesn't say anything about passing arguments to the method though
<apeiros_>
when expr is a Symbol, as in &:foo is just a special case
<apeiros_>
or rather, a single case
<soycamo>
polygon-pusher: I've never used an IDE, and I'm kind of a noob. I use api.rubyonrails.org or guess :)
<soycamo>
oftentimes your guess is right.
<Sailias>
aperios_: lol quick answer to my correction
<apeiros_>
expr can be *anything* that responds to to_proc, or is already an instance of Proc
<shevy>
apeiros_ sure, but arguments?
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<Mon_Ouie>
with &:foo, the first block argument is the receiver, and the next ones are the arguments passed to the method
<apeiros_>
shevy: same as with the block
<Sailias>
&expr => (to_proc) is amazing. Makes me happy all the time.
<apeiros_>
all arguments that get yielded to the block get passed to the proc
<Mon_Ouie>
with &foo.method(bar), the arguments are just passed to the method
<apeiros_>
Sailias: tab-completion for nicks btw.
<apeiros_>
avoids typos :-p
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<czepluch>
What is the best way to learn ruby if you have about half a year of java experience?
<toy_battery>
pick up a book
<czepluch>
what book? :D
<Sailias>
apeiros_, your name is confusing and requires tab completion. Although mine may not be much better
<toy_battery>
the pickaxe book probably
<apeiros_>
czepluch: forget java and start from scratch. I'm serious.
<toy_battery>
i started with that one
<shevy>
czepluch convert some small java app into a ruby app
<robert_>
sup shevy :D
<apeiros_>
trying to apply java knowledge to ruby will only result in mishap pattern abuse
<shevy>
hi robert_
<toy_battery>
oh yeah that's another good way to learn
<robert_>
hi
<apeiros_>
Sailias: mine is only confusing if you're not used to greek words…
<toy_battery>
i'm with apeiros_ on that one
<robert_>
shevy: do you know of any SOAP-like frameworks that just "drop-in" to a web framework like padrino?
<shevy>
robert_ I do not know
<robert_>
okay.
<robert_>
fair enough
<czepluch>
thanks guys. i have found the pickaxe book and have been reading it for a day or two now. Love ruby compared to java so far.
<yxhuvud>
a rack based soap server would be pretty slick now and then.
<robert_>
yeah
<Sailias>
apeiros_, my greek and arabic are about as good as my COBOL
<robert_>
I'm looking to better integrate ruby with lighty
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<apeiros_>
Sailias: your mother tongue not using many greek loanwords?
<apeiros_>
most do… I mean it's the origin of many words… I'd assume anybody with a good education has had a fair exposure to greek words…
<robert_>
(read: I'm looking into start/stop web services using lighty's proxy stuff.)
<Sailias>
apeiros_, my mother tongue is a bastardized version of many languages.
<Sailias>
apeiros_, the fact it has a word like bastardized speaks for itself
<apeiros_>
english?
<Sailias>
correct
<toy_battery>
english is a fun language :P
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<toy_battery>
if i'm building a dsl, how should instance_eval be handled
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<shevy>
ewww eval
<robert_>
toy_battery: indeed, English is fun. :D
<toy_battery>
should it go in the initialize block of the new object or proxied through something else?
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<toy_battery>
what's wrong with eval?
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<toy_battery>
isn't that what powers most of the dsl's out there?
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<shevy>
I find all evals way too hard to understand
<toy_battery>
really?
<toy_battery>
what's hard about it?
<czepluch>
what cloud storage service(s) do you guys use? I have been using dropbox for a long time, but recently discovered minus.com, and thought that you guys maybe knew an even better service?
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<toy_battery>
dropbox is all i need
<shevy>
toy_battery that you see them and can't instantly understand what they are used for
<toy_battery>
i can agree with that
<toy_battery>
isntance_eval though is pretty easy to understand though
<toy_battery>
your just executing code in the context of an object
<shevy>
or that I can't remember the difference between instance_eval class_eval module_eval and normal eval
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<toy_battery>
i'm just thinking in terms of building a dsl
<toy_battery>
some_method 'foo' do ....
<toy_battery>
vs
<toy_battery>
some_method 'foo" do |m|
<shevy>
ok and where is the eval :D
<toy_battery>
in the first case you'd be using instance_eval
<toy_battery>
in the second you'd probably do something like yield self
<shevy>
aha
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<banisterfiend>
toy_battery: think about whether the user would expect/want to use helper methods/ivars from the surrounding scope
<banisterfiend>
if they do, then probbably use yield, if not, you might be able to get away with instance_eval
<toy_battery>
that's the issue i noticed
<toy_battery>
but i've also left it open to so it doesn't force the user to use the dsl if they don't want to
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<toy_battery>
although i don't think you can "force" anyone to do anything in ruby
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<banisterfiend>
toy_battery: you could allow both options, by checking the arity of the block
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<toy_battery>
what does that do?
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<banisterfiend>
toy_battery: if block.arity > 0 then yield(var); else instance_eval(&block)
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<toy_battery>
i like that
<toy_battery>
so the arity is the number of args right?
<banisterfiend>
yeah
<toy_battery>
nice
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<pigdude>
if s = :x , how do i use that value to call x()? I forgot :^((
<davidcelis>
is x and instance method? or just a method?
<davidcelis>
an*
<toy_battery>
send?
<toy_battery>
send(s)
<davidcelis>
does send work when it isn't called on an object?
<toy_battery>
yeah
<toy_battery>
it calls it on Main
<davidcelis>
ah, nice
<davidcelis>
good to know
<toy_battery>
send :puts, 'hello' #=> hello
<toy_battery>
send :foo #=> NoMethodError: undefined method `foo' for main:Object
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<toy_battery>
davidcelis: if you do obj.send(s) then obj should have an instance method 'x'
<davidcelis>
right
<davidcelis>
i just didn't realize send would get called on main:Object
<toy_battery>
err sorry i meant that for pigdude
<davidcelis>
thought that makes sense
<davidcelis>
though*
<davidcelis>
ah
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<toy_battery>
i'm not sure where send is defined though
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<toy_battery>
oh yeah
<toy_battery>
does it evaluate the code immediately after the editor is closed though?
<banisterfiend>
toy_battery: Yeah
<toy_battery>
oh cool, didn't know that
<banisterfiend>
toy_battery: you can even edit code half-way through an expression, so you're typing a multiline expressin out, and you find it's getting to ocomplicated/unwieldy, just type 'edit' and it dumps that code into an editor
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<banisterfiend>
toy_battery: you can edit past input by typing edit -i NUM where NUM is the number in brackets beside the expression [2] for example
<banisterfiend>
or methods, using edit-method Blah#my_method (even if that method is simply defined ini the repl, and not in a file)
<toy_battery>
damn that's cool
<toy_battery>
ok i'm gonna start using that cause that's sweet
<banisterfiend>
nice:)
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<Okasu>
banisterfiend: where i can find docs about pry?
<Okasu>
for what it?
<Okasu>
find it already
<Okasu>
found*
<gheegh>
hey all.. question. anyone know of a good library to do bit comparisons? i have a bunch of documents with minhash/simhashes, and i need to find the documents that are the closest bit matches to each document (if it's less than a particular threshold). I can do hamming distance, but then i have to access each document o^2 times (10k to 100k docs). So, a linear time search would be better. Anyone have any thoughts?
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<gheegh>
so, i scared everyone? :-)
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<lofic>
is there a better way for :
<lofic>
foo = bar ? bar : 'baz'
<lofic>
(to avoid repeating bar)
<tuxuser>
hey everybody
<tuxuser>
is there a documentation / info about all possible files which export rvm paths?
<tuxuser>
cant locate all exports... after some messed up installations (as normal user/superuser/via apt-get)
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<tuxuser>
$whereis rvm
<tuxuser>
rvm: /usr/local/rvm even if its uninstalled...
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<tuxuser>
nvm, thats just the empty dir
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<CannedCorn>
is there a way to print out what compiler compiled your ruby
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<burgestrand>
CannedCorn: ruby is an interpreted language, not compiled
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<v0n>
what variable contains the temp directory? i.e. /tmp on Linux/Unix
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<nobitanobi>
I've a question: why this method http://pastie.org/3127659 --> changes the value of the argument that is being passed?
<nobitanobi>
(out of the method scope)
<workmad3>
nobitanobi: because you're passing a reference to the string
<nobitanobi>
but if I do def changeString(mystring) mystring = "string changed" end
<nobitanobi>
and I pass mystring = "normal string"
<nobitanobi>
it doesn't get changed
<nobitanobi>
what is the difference?
<workmad3>
nobitanobi: no... because then you are changing what object the variable is referencing, whereas in your pastie, you are altering the referenced object
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<nobitanobi>
when do I alter the object?
<nobitanobi>
when applying methods to it?
<burgestrand>
nobitanobi: it depends on the method you call on the object
<workmad3>
nobitanobi: err... because that's what those methods do?
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<burgestrand>
nobitanobi: in the case of string, String#[]= modifies the string in place
<burgestrand>
nobitanobi: ruby strings are mutable, as you’ve here witnessed
<nobitanobi>
I see. I thought mystring = "whatever change" was also considered an altering of the object
<workmad3>
nobitanobi: no, that's just altering what the variable 'mystring' is referencing
<nobitanobi>
perfect, now I understand
<nobitanobi>
thanks a lot guys
<burgestrand>
nobitanobi: variables never "contain" their objects, they point to them
<nobitanobi>
ok
<nobitanobi>
good sentence for a newbie burgestrand
<nobitanobi>
I will remember it
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<workmad3>
burgestrand: but.. but... what about the value objects? :P
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<workmad3>
(I'm now being annoying, ignore me :) )
<Okasu>
why when i pry -r
<Okasu>
i get /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- metaprog.rb (LoadError)
<Okasu>
require 'pry' and binding.pry exist in file
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<nobitanobi>
what's the best way to find out what a method does in ruby console?
<nobitanobi>
for example, if I want to know what the method gsub does?
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<Okasu>
ri gsub
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<Okasu>
show-doc gsub in pry
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<nobitanobi>
thanks Okasu
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<cableray>
so i'm trying to setup the github hook plugin for redmine, and was wondering how I should setup my ssh keys for the redmine server (passenger).
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<cableray>
anyone have any ideas?
<aces1up>
i need a way of generating a code via a string, kinda like sha1 or crc.. so i can tell if a string was duplicated... what it the fastest encoding for this? i have heard of rot, sha, crc..
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<cableray>
aces1up: what are you trying to do? Check for duplicates?
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<cableray>
I guess what my question boils down to is: what user does passenger run 'system' commands as?
<workmad3>
cableray: passenger runs the rails or rack process as the user that owns the app code
<aces1up>
cableray yes, but in a special way, i want to assign a unique code on a string so i can check that code in a dbase
<aces1up>
instead of checking the whole string.
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<cableray>
aces1up: ok, you want a hashtable.
<workmad3>
aces1up: how important is uniqueness?
<cableray>
you could just put a unique index on the string you want to check in the database.
<workmad3>
aces1up: and are you using this for uniqueness checks, or just for some reference?
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<aces1up>
uniqueness checks and reference.
<cableray>
yeah, hashtables don't guarantee uniqueness for all strings.
<cableray>
but they do allow you to store less data.
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<aces1up>
there is a dbase column, :code -- this will hold the string code (whatever i plan to use) then when i load in via a text file i can check via encoding the string from the text file, and check that against dbase code
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<workmad3>
aces1up: right, so the same string should hash to the same value, not an arbitrary value
<aces1up>
i'm only doing this as the table in question will have 1million plus rows, thinking this will be a faster search dunno.
<workmad3>
aces1up: index the column
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<workmad3>
aces1up: and make it a unique index ;)
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<cableray>
workmad3: which file specifically does passenger use to determine user and group?
<workmad3>
cableray: I don't know... at a guess, probably the owner of the root directory
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<cableray>
workmad3: or environment.rb would be another option. but yours seems more likely
<workmad3>
cableray: passenger can run arbitrary rack apps :)
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<cableray>
oh, yea, so then evenmore likely to be the root.
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<aces1up>
workmad3 so if i have 1 million rows, with that indexing deal your talking about would i just be able to use a large string in the column for indexing?
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<workmad3>
aces1up: you'd add a database unique index to that column in the table
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<workmad3>
aces1up: which means your DBMS is responsible for organising the data to ensure uniqueness and maintaining an index to speed up searching
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<aces1up>
so on the index with the code for the string i would make that unique a unique index for searching essentially?
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<happosade>
v0n: didn't do the trick, still getting this. Also every time when I am doing something with gem
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<saltmiser>
is rubysoc happening this summer?
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<adeponte>
anyone know off hand in ruby how to get the uid of a user given the name of a user?
<adeponte>
or if that is necessary? I really just want to be able to seteuid and setuid given the name of the user account rather than having to have the actual integer uid