<schlecht>
Wasn't zenspider meant to write a book?
<andrewvos>
I certainly hope not ;)
<andrewvos>
hehe just playing
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<zenspider>
schlecht: I had a contract with addison weseley back in 2001... but I doubt that's what you're referring to
<zenspider>
schlecht: did you have something else in mind?
<schlecht>
It was from some time back, I don't remember who the publisher was.
<schlecht>
Bbiaw.
<injekt>
hmmm
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<uglybandersnatch>
hi all. wondering if you can help with some serious segfaulting i am getting when trying to install gems and use ruby-debug. here is some example output: http://pastie.org/3377465
<uglybandersnatch>
i am using rvm and have tried moving between ruby-1.9.2-p180, ruby-1.9.2-p290, ruby-1.9.3-p0 and ruby-head and i get the same problems on all of them.
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<zenspider>
haha
<zenspider>
it's callcc from yard
<zenspider>
uglybandersnatch: remove yard
<uglybandersnatch>
ok i'll try that
<Tasser>
achievement: parse a website with a CSV parser
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<uglybandersnatch>
zenspider: that worked to fix the first error, but i still can't use ruby-debug without it segfaulting. here is what happens when it hits a debugger statement within my rails app: http://pastie.org/3377535
<zenspider>
uglybandersnatch: suck. sorry... I don't use ruby-debug. I debug via tests.
<drbrain>
uglybandersnatch: how did you build ruby?
<zenspider>
I also don't really use rvm... you might want to take that out of the equation tho
<drbrain>
with llvm-gcc?
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<drbrain>
ah, rvm? that should use real-gcc, not llvm-gcc
<uglybandersnatch>
i built it --with-gcc=clang, as it wouldn't compile otherwise. i am on mac
<drbrain>
uglybandersnatch: just to check, what does ruby -rrbconfig -e 'p RbConfig::CONFIG["CC"]' say?
<uglybandersnatch>
"gcc"
<drbrain>
that's probably why you're crashing
<userbard>
uglybandersnatch: Do you need the documentation? Seems the gem installed.
<drbrain>
does gcc -v say: gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00)
<uglybandersnatch>
drbrain: gcc version 4.2.1 (Based on Apple Inc. build 5658) (LLVM build 2336.1.00)
<drbrain>
if you built --with-gcc=clang and it worked, you should see "clang" instead of "gcc"
<drbrain>
uglybandersnatch: you'll need to rebuild without using llvm-gcc ("gcc")
<uglybandersnatch>
drbrain: yeah, sorry that might have just been when i tried it with ruby-head
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<uglybandersnatch>
drbrain: ok thanks. my gcc might have been replaced by xcode 4.
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<drbrain>
uglybandersnatch: if you installed Xcode 4 or 4.1 you'll have gcc-4.2
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<drbrain>
/usr/bin/gcc-4.2
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<phazenine>
anyone know what characters are not used as often with php and objective c? like ruby rarely uses ;
<zenspider>
∞
<rue>
≠
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<phazenine>
mmm how bout a character that is on the keyboard =P
<MistyM>
<zenspider>
those are both on my keyboard
<zenspider>
¡™£¢∞§¶•ª
<MistyM>
I can totally see a conditional statement based on ¡value!
<drbrain>
how about —
<zenspider>
maybe the question could be improved
<MistyM>
- is used in ObjC.
<MistyM>
Oh, wrong dash width. :b
<rue>
drbrain: I've been using def n–uh
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<MistyM>
uglybandersnatch: In OS X, `gcc` has been a symlink to smth for ages now. It used to point to gcc-4.2, now it points to llvm-gcc-4.2.
<phazenine>
okay, how bout this, i am being tasked to parse php and objective-c code, but the managers want to be able to load it up into excel, for html i am using the "]" as the delimiter
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<phazenine>
any suggestions?
<drbrain>
phazenine: CGI.htmlescape
<drbrain>
wait, excel? can't you just set the data type?
<drbrain>
wait, excel? I don't think I want to know what you're doing
<phazenine>
lol
<rue>
Ooh, lag
<rue>
O wait, just ffmpeg at 380% CPU :/
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<Tref>
guys need some ruby regex help
<Tref>
I don't even know how i would search for something like this
<Tref>
regex is so cryptic to me, i don't get it :)
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<Tref>
lianj: you are the man
<Tref>
I mean I don't know you personally, but in this situation you are the man to me; no homo
<Tref>
that was the LAST piece to my puzzle
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<gouthamvel>
[ActiveModel Help] https://gist.github.com/1823066 I have uninitialized constant TagNote::Tag error when trying to access TagNote.new.tag. How can I resolve this?
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<drbrain>
gouthamvel: Try #ror
<theconartist>
(in combination with not modifying the color of your text)
<drbrain>
oh wow, LimeChat saved me from that evil?
<drbrain>
AWESOME
<gouthamvel>
hey thanks guys
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<wallerdev>
drbrain: nice work on the mechanize release
<drbrain>
wallerdev: is there a :P in there somewhere?
<wallerdev>
nah i love mechanize
<wallerdev>
also i screw up releases in my software all the time
<drbrain>
ah, good, since I messed up the first one
<wallerdev>
:)
<drbrain>
it's ok, you can make one (only one) joke at my expense :)
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<wallerdev>
have you always been a maintainer of it?
<wallerdev>
i know when i first started using it i used it with hpricot which seems to have kinda died with _why
<drbrain>
no, knu and I are the third set
<wallerdev>
cool
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<wallerdev>
i was going to port mechanize to .N ET at one point but ended up just giving up on .NET and moving to ruby instead
<wallerdev>
haha
<srbaker>
good move
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<wallerdev>
but now I'm back to doing .NET as my day job -_-
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<drbrain>
once upon a time I used mechanize + Win32OLE (to IE and Outlook) + vim to automate the un-automatable
<drbrain>
actually, maybe not mechanize
<wallerdev>
sounds like a mess
<wallerdev>
haha
<drbrain>
it was a mess
<drbrain>
but it saved me time waiting on the slowest website ever
<wallerdev>
i <3 automation
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<drbrain>
four servers couldn't return requests faster than once every five to ten seconds
<wallerdev>
haha
<drbrain>
and the daily average load was under one request per second
<wallerdev>
were they powered by microsoft access databases
<drbrain>
but that's what you get from an all-microsoft shop
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<wallerdev>
anyone have experience with CMS systems with ruby/rails?
<wallerdev>
I'm probably gonna go with refinerycms
<cloud-brownies>
CMS? rails g scaffold ?
<wallerdev>
well i need rich text editors for editing everything
<wallerdev>
and the ability for users to add pages and things like that
<wallerdev>
upload images and files and the usual stuff
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<wallerdev>
locomotive looks interesting
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<jtoy>
do you guys test out end to end of your system even if its crossing multiple apps/dameons/etc ?
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<wallerdev>
isnt that the customer's job?
<jtoy>
haha, partially
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<jtoy>
some parts that should happen don't seem to always happen
<jtoy>
its becoming a huge pain to train everything
<jtoy>
trce
<drbrain>
jtoy: at work we have a complete QA environment with everyone's QA code in it
<drbrain>
so it's end-to-end across multiple services
<drbrain>
so both dedicated QA people and regular users find bugs
<jtoy>
drbrain: do you guys write "integration" tests for the environment?
<jtoy>
or mostly QA people find the bugs?
<drbrain>
for a single app, yes, a few
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<drbrain>
(depending upon the app)
<drbrain>
NewRelic finds most of the bugs
<drbrain>
due to our volume (50,000+ RPM) it's difficult for QA to find anything but bugs that should have been caught by proper unit tests
<drbrain>
so it's usually weird user queries that find bugs
<jtoy>
probably my app is more complex then need be, but I want to test out someone hitting the web app, job gets sent, job processor processes it, data shows up in the db, then shows up in our index engine, I'm contemplating writing tests , but doesn't sound like a good solution
<drbrain>
QA usually finds bugs that pass between services
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<drbrain>
jtoy: with that many parts I would use instrumentation to discover bugs
<jtoy>
yeah, seems like it might be easier, although hard to automate humans
<drbrain>
NewRelic etc.
<jtoy>
drbrain: yeah, I do have new relic, but just for performance measurement
<drbrain>
with so many moving parts a test is not necessarily going to tell you "here is the bug" like a unit test would
<jtoy>
drbrain: you use rpm for bugs too? most of our stuff is not a web app
<drbrain>
jtoy: NewRelic can track web, background job, Solr, etc.
<drbrain>
jtoy: they've got the exception reports so we scan those for top errors
<drbrain>
then go fix the bug
<jtoy>
drbrain: cool, ill have to see if it integrates well with event machine
<drbrain>
you can add custom reporting
<drbrain>
we've got a separate set of metrics through LWES
<drbrain>
which is a multicast log stream
<jtoy>
cool, never heard of LWES
<drbrain>
we don't leverage it well enough
<drbrain>
it's got structured logging
<drbrain>
so we can log things like "my service made 5 sub requests and here were each of the request URIs, response codes and response times"
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<erikh>
hmm
<erikh>
anyone mind doing a short code review of what I already have? it's incomplete, I'm mostly just wondering if I can get some feedback on what I have
<erikh>
it's a 0mq messaging and event servicing system at this point -- I have more planned for it but I'm still building out messaging components.
<erikh>
I really need some people with a brain for concurrency to look at it and provide useful feedback on structure.
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<erikh>
it's not particularly big but there are a lot of parts.
<erikh>
anyhow -- if you have any comments, that would be awesome.
<cloud-brownies>
i do not have a brain for concurrency
<cloud-brownies>
but i do have a brain!
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<erikh>
heh
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<senthil>
what's that concept called when you define a constant to something and use the constant to refer to that something?
<burgestrand>
using constants?
<senthil>
symbolic constants i think is what I was looking for
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<burgestrand>
that’s a new one
* burgestrand
googles
<senthil>
i just looked it up in C prog lang book
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<burgestrand>
Symbolic constants in C look closer to what we call symbols
<burgestrand>
Would have to read a bit more but that’s my initial conclusion
<senthil>
you might be right, i'm jus learning c
<drbrain>
erikh: what's up with concurrency?
<burgestrand>
senthil: alright, looks like it can be just about any kind of value that you define with the preprocessor in C, as far as Ruby goes I don’t think you’ll find a true similarity
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<senthil>
burgestrand: i was just looking to see if there was a fancy name for doing that
<drbrain>
so you want to run ^^ from your Rakefile?
<drbrain>
oh, I should read it, hold on
<cloud-brownies>
within the rake task db:dev:prepare i want to call another file full of ruby code
<drbrain>
cloud-brownies: does `ruby ../something/something/../dummy_data.rb` generate the data you want in your DB?
<cloud-brownies>
yes drbrain
<cloud-brownies>
and the code is at the "root level" (?) of that file
<drbrain>
then I think this should work
<cloud-brownies>
well, so i'm asking how i set the path to that file properly
<drbrain>
we call it "top level"
<cloud-brownies>
i.e. which "path" do rake tasks run in?
<cloud-brownies>
what is the pwd from the perspective of the running task? to put it another way
<drbrain>
the easy way is require_relative 'relative/path/to/dummy_data'
<drbrain>
that will be relative to the file the db:dev:prepare task is defined in
<drbrain>
the pwd can be anything, depending on what tasks prior to this one do
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<h4y4shi>
Is there a module in Ruby?
<drbrain>
for the first task invoked, IIRC, rake changes pwd to the directory of the Rakefile
<drbrain>
but it doesn't keep it there
<drbrain>
h4y4shi: for OpenGL? there's ruby-opengl, but it doesn't work in modern ruby, so use my repository
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<cloud-brownies>
drbrain: it worked! thanks!
<drbrain>
cloud-brownies: great!
<h4y4shi>
I mean. For example. There is def command, class command, and do commands. Is there a command called module?
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<drbrain>
h4y4shi: yes
<drbrain>
a Class is a type of Module
<h4y4shi>
is it available in the basic ruby or do I have to install something?
<drbrain>
it's available in basic ruby
<h4y4shi>
thanks =D
<drbrain>
h4y4shi: you may wish to follow a ruby tutorial
<drbrain>
perhaps this one
<drbrain>
corundum: learn to program?
<corundum>
A good Ruby tutorial for newbies to programming: http://pine.fm/LearnToProgram/. NOTE: For linux installation section (in Chapter 0), the filename presented is just a example.
<drbrain>
h4y4shi: ^^
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<drbrain>
bed time
<h4y4shi>
good
<h4y4shi>
night
<h4y4shi>
I will follow you on github
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<fragmachine>
is there a way to output a jpeg file from ruby?
<fragmachine>
for example if I have a bunch of text can I turn it into an image?
<theconartist>
where are you having trouble
<fragmachine>
I don;t know where to start
<theconartist>
look for a program or library that does that, then you can figure out how to interface with it in ruby
<fragmachine>
yea there are a bunch of gems but they all seem to be for doing things with exsisting images. I found a 'convert' command for my man, but it's broken for some reason
<shevy>
I think the first has the advantage that you can remove the module at a later time again
<shevy>
but it's a bit too verbose for my taste
<shevy>
I'd wish there would be a way to easily denote how much core classes can be modified. and how to easily revert to how they were before the modification happened
<whitequark>
traits
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<rue>
Abilities
<andrewvos>
Powers
<injekt>
bleghhh
<andrewvos>
Combo BREAKER
<shevy>
lol
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<andrewvos>
rofl
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<optikalmouse>
do you *need* the return in a ruby method?
<optikalmouse>
isn't the value of the last evaluated statement in the method returned?
<andrewvos>
no
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<andrewvos>
yes
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<optikalmouse>
wow
<optikalmouse>
so some idiot programmer was placing returns all over the code.
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<andrewvos>
optikalmouse: It could have been you :)
<optikalmouse>
andrewvos: I haven't had a coffee yet so <insert insult here> and I'm the newb who JUST started at this new job sooo it would be impossible for me to have done that ;)
<andrewvos>
hehehe
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<shevy>
hmm
<shevy>
can you show parts of the code optikalmouse
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<andrewvos>
haha
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<shevy>
:(
<shevy>
I wanted to see the multiple returns!
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<wwalker>
I can't change it, but my employer does design docs in MS Office Word. Has anyone else suffering this pain found a way to import rdoc into a word doc?
<Tasser>
is there an append mode for files?
<outoftime>
Tasser: 'a'
<Tasser>
thanks
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<shevy>
yeah or 'a+'
<outoftime>
depends on whether you did a good job or a *really* good job.
<necromancer>
does anyone here use Airbrake for a non-Rails app? i'm getting a LoadError even when i add gem 'i18n' to my Gemfile, and it's throwing the error in my .gemspec where i'm not even declaring airbrake as a dependency...
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<whitequark>
necromancer: I do
<whitequark>
but it just works
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<necromancer>
whitequark: ugh
<necromancer>
this ONLY happens on the production sevrer
<necromancer>
what the fuc
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<optikalmouse>
does ruby not come with a debugging tool?
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<shevy>
ruby_debug
<shevy>
but I never used it
<shevy>
you can set "breakpoints" and do other fancy stuff with it
<shevy>
like kill sheep and such
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<whitequark>
necromancer: bundle exec ?
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<optikalmouse>
ruby-debug is a gem
<optikalmouse>
but there's ruby_debug?
<optikalmouse>
wtf :S
<Spooner>
optikalmouse: pry can be useful as a debugger too (not sure if the full debugging support is released yet).
<Spooner>
And I can't find a ruby_debug; only ruby-debug.
<kain>
pry is awesome but I still haven't found a way, if any, to step in code
<kain>
just breakpoint and go from there
<Spooner>
I know Banistergalaxy was talking about implementing that, but it was recent. I only really use it as an irb replacement though, so I am not sure.
<Spooner>
kain: pry_debug definitely looks like it steps.?
<andkerosine>
Could reverse!.slice(0,2).reverse! not be replaced with [-3..-1]?
<shevy>
hmm
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<shevy>
indeed
<andkerosine>
Magic.
<manveru>
tail -2 file.txt
<shevy>
non ruby!!!
<manveru>
neither is your < file.txt
<shevy>
that's just data
<manveru>
that's your shell
<shevy>
my shell is written in ruby!!!!!!!!Infinity!!!!
<manveru>
if you have a shell, you have tail
<shevy>
of course
<shevy>
written in ruby too :)
<andkerosine>
If you have a tail, you have a coccyx.
* shevy
cuddles manveru
<shevy>
a what?
<shevy>
is that like a bird?
<outoftime>
andkerosine: don't you have either one or the other?
<andkerosine>
That's a cloaca.
<shevy>
lol
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<drbrain>
shevy: ARGF
<andkerosine>
drbrain: Right you are.
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<drbrain>
ARGF is much better than ruby foo.rb < some_file.txt
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<manveru>
still sucks performancewise
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<manveru>
but it wouldn't be as much fun and consice to write it performant
<manveru>
and everybody has SSDs and gigs of ram nowadays anyway
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<indstry>
drbrain: Hey that worked! thanks
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<andkerosine>
Optimal approach to selectively defining methods depending on which class included the module?
<manveru>
don't :)
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<andkerosine>
Well, I'd like all my actions to go in one module. It smacks of overkill to define PostActions, CommentActions, SubredditActions, etc.
<andkerosine>
A simple if seems like it'd suffice, but is that generally frowned upon?
<outoftime>
andkerosine: encapsulate the concept that varies
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<outoftime>
andkerosine: or in ruby, sometimes replace "encapsulate" with "write a mixin for" or something : )
<drbrain>
andkerosine: or superclass
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<drbrain>
if you're doing it right, there should only be a few lines
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<outoftime>
andkerosine: I'm wondering why, if you want different behavior for each class, you don't just... write the different behaviors in each class?
<andkerosine>
Because they share so many common methods.
<andkerosine>
I absolutely hate seeing almost identical code.
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<outoftime>
andkerosine: right, so extract/encapsulate the concept that varies. write a method in each class that does the part that's different, and then call that method from the mixin
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<outoftime>
andkerosine: an example would be the Enumerable mixin -- every class that inherits it has its own implementation of #each, and then Enumerable takes care of all the common functionality from there.
<andkerosine>
Mm-hmm. That is essentially what I'm doing.
<drbrain>
outoftime: andkerosine: in this case, a superclass would be a better fit than a module
<outoftime>
no arguments there, i'm only half aware of the actual use case : )
<drbrain>
Danzer: also, use File.open with a block
<shevy>
Danzer you should check your indent levels
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<drbrain>
Danzer: if you're using ruby 1.9 you don't need to require 'rubygems'
<shevy>
if you have trouble checking the indent, you can always change from do/end to use {}
<drbrain>
File.open(STORE_WHERE, 'w+') do |f| … end
<drbrain>
no need for f.close
<drbrain>
Danzer: when you run this, what happens?
<shevy>
In the code you did there, "f = File.open(STORE_WHERE, 'w+')", you do not use "do" nor "{" but the next line you indented as if you would have used either, you see that?
<shevy>
lianj always has to pack things into one line :(
<drbrain>
Danzer: … what is printed on the console after running it?
<lianj>
shevy: hehe
<drbrain>
shevy: for IRC, sure
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<jbwiv>
what's the appropriate way to eval a file into the current scope? so, for example, read a file on erb, have that file be executed, and then be able to inspect the top level vars from its scope after completion?
<jbwiv>
that should be irb, not erb
<rippa>
eval it
<robbrit>
jbwiv: require?
<rippa>
eval(File.read('file.rb'))
<rippa>
robbrit: he needs locals
<jbwiv>
rippa, I tried that, but it seems top-level vars are inspectable
<robbrit>
ah damn
<jbwiv>
that way
<rippa>
are not inspectable?
<jbwiv>
rippa: do not remain in scope
<rippa>
hmm
<jbwiv>
for example, my file does "tables = {}"
<jbwiv>
outside of any blocks
<rippa>
try supplying current binding
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<jbwiv>
but after eval, I get an undefined local variable error when referencing tables
<rippa>
binding.eval(etc
<jbwiv>
rippa, yes...tried that as well
<rippa>
I seem to remember it helped somehow
<rippa>
oh well
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<jbwiv>
I know I've made this work in the past...just have to remember how
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<burgestrand>
jbwiv: I believe it’ll work differently in 1.8.7 vs 1.9
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<burgestrand>
jbwiv: they changed something related to bindings and local variables between those versions, don’t remember exactly what
<jbwiv>
burgestrand, this is 1.9. I'll bet when I tried it in the past it was 1.8
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<phazenine>
can someone explain why this is selecting everything \p{^Han}|\p{^Katakana}|\p{^Hiragana} as compared to it not selecting one language with this: \p{^Han}|\p{Katakana}|\p{Hiragana}
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<manveru>
phazenine: everything of what?
<phazenine>
i'm using rubular and using this as an example: ひらがな or ヒラガナ end start 士通
<phazenine>
if you use \p{^Han} it selects everything except Han
<phazenine>
but the moment you do \p{^Han}|\p{^Hirgana} everything gets selected
<phazenine>
i know i'm most likely doing something wrong, but I'd like to know what it is
<rippa>
かたかな
<wwalker>
phazenine: yes. because everything is either "not Han" or "not Hiragana"
<TTilus>
phazenine: well, ain't everyting either not hiragana or not han?
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<andkerosine>
Curly braces in a Regexp?
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<wwalker>
phazenine: more simply: /[^A]/ selects everything except A, /[^B]/ selects everything except B , so /[^A]|[^B]/ by definition selects anything
<burgestrand>
andrewhl: yes, unicode character classes you specify with \p{character class}
<burgestrand>
… .
<andkerosine>
Ah, good stuff.
<burgestrand>
andrewhl: not you, sorry, go away.
<andrewhl>
lol
<burgestrand>
andkerosine: :)
<andkerosine>
Odd that you had him in your clipboard?
<andrewhl>
tab completion
<burgestrand>
andkerosine: not clipboard, just sloppy tab completion
<andkerosine>
Second guess.
<andkerosine>
Also, TIL.
<phazenine>
wwalker: why is that?
<andkerosine>
?!
<andkerosine>
Everything in the world is either "not a dog" or "not a cat".
<wwalker>
because C matches [^A] and matches [^B]. B matches [^A]
<wwalker>
phazenine: maybe you are not understanding clearly that "|" means OR
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<wwalker>
phazenine: can you tell me anything that is not " (not hiragan) OR (not han) "
<wwalker>
hiragana
<andkerosine>
Cinnabons, for they are not of this world.
<phazenine>
i understand that | is OR, i just thought if you did /[^A]|[^B]/ it would pull C if the string was "ABABAACABAB"
<phazenine>
but i understand tho
<rippa>
that should be
<rippa>
[^AB]
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<jbwiv>
burgestrand, rippa: according to "Programming Ruby 1.9", "Local variables assigned within an eval are available after the eval only if they were defined at the outer scope before the eval executed. In this way, eval has the same scoping rules as blocks."
<jbwiv>
so definitely different in 1.9, and unfortunate/fortunate at the same time :-/
<rippa>
define all possible variable names beforehand
<burgestrand>
jbwiv: I’m wondering if you can walk around this using local_variables and defining a hash before eval.
<burgestrand>
Might have an idea. Back in a minute.
<andkerosine>
That does seem like it'd work.
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<rippa>
( ﾟ∀ﾟ)ｱﾊﾊ八八ﾉヽﾉヽﾉヽﾉ ＼ / ＼/ ＼
<jbwiv>
burgestrand, ok, cool
<outoftime>
amazing that the local variables aren't retained even when a binding is explicitly passed
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<burgestrand>
Yeah, works, cool!
<Guest49791>
so is there no way to do [^AB] with \p{stuff}?
<andkerosine>
Pastie is really slow to apply syntax highlighting...
<burgestrand>
jbwiv: I think so too :d
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<jbwiv>
burgestrand, what specifically does this do? "eval <<-SOURCE, nil, __FILE__, __LINE__"? I understand heredocs, but what's with the extra args?
<burgestrand>
jbwiv: the second argument is the binding it’s to be run in, but as for __FILE__ and __LINE__ they are magical in that they evaluate to the file and line they’re written in; if an error occurs in the eval’d code it will have the correct file and line in the backtrace
<burgestrand>
or, at least a more helpful line and file in the backtrace
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<jbwiv>
burgestrand, ah, ok. thanks very much. wonder why they didn't build something like eval! in...or even evileval! :-)
<outoftime>
andkerosine: hastebin.com
<andkerosine>
Solarized is gross.
<outoftime>
andkerosine: well that settles that.
<andkerosine>
I think Gist is beautiful.
<outoftime>
Gist is really good at what it's designed for, which is not to replicate the functionality of pastebin/pastie/hastebin.
<andkerosine>
The... immediacy?
<outoftime>
transience, more like it. Gist is good for things that are meant to be permanent -- shared and collaborated upon.
<outoftime>
in my humble opinion, of course.
<outoftime>
it's not good for dropping a random stacktrace or code snippet that you need to exist on the internet for the next 45 seconds
<andkerosine>
Mm, fair enough. But it can still pretty much double as a throwaway.
<burgestrand>
jbwiv: also, in addition, they also set the __FILE__ if used within the evaled code :)
<outoftime>
it's pretty slow for that.
<andkerosine>
Slow... HTTP-wise?
<andkerosine>
Or just getting the code in there?
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<outoftime>
yeah, like, response times are slow compared to purpose-built paste bins.
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<outoftime>
and it keeps track of your gist history as a user, which is great for the lasting-collaborating use case, but annoying for the paste-and-forget use case.
<andkerosine>
Another fair point, but proper tools largely do away with that.
<andkerosine>
I use a SublimeText2 plugin, so I just highlight the gist, Ctrl-Alt-G, and then there's a link in my clipboard. ^_^
<andkerosine>
Not doing it from "the Web" means it always comes out anonymous, which I very much prefer.
<outoftime>
that does take care of that problem.
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<andkerosine>
Bad practice to use #index in place of #include? when they're synonymous for my purposes?
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<outoftime>
andkerosine: it is asking a question you don't need to know the answer to...
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<outoftime>
andkerosine: also, e.g. Set#index has no meaning, whereas Set#include? does. so you're more polymorphism-friendly if you're asking the question you need answered.
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<jbwiv>
this "@belongs_to = @has_one = @has_many = {}" sets those three instance vars to all point at the same hash. Is there a clean shortcut syntax to instantiate a set of variable to the same type of object, but different instances?
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<andkerosine>
Hash.new?
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<andkerosine>
Nah, you'll have to iterate, I'm afraid.
<andkerosine>
Or do it in parallel, which is sometimes ugly, but no so much when the right side is just {}, {}, {}.
<jbwiv>
andkerosine, heh.... a=b=c={},{},{} sets them all to point to an array of three hashes
<jbwiv>
sheesh, nm
<jbwiv>
a,b,c={},{},{}
<andkerosine>
Cha. : )
<jbwiv>
;)
<andkerosine>
; P
<jbwiv>
thx
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<andkerosine>
Sure thing.
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<hagabaka>
(a,b,c) = Array.new(3) {{}}
<andkerosine>
Yuck.
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<matled>
I have a chain of methods called on a collection (map, reject, map, sort_by). I'm not sure what is more readable, either using a variable and calling map!, reject!, map!, sort_by on it or just calling one method after the other with the blocks in between
<andkerosine>
Chain them, but with each chain method on its own line, starting with the dot.
<hagabaka>
why do you need to map twice, plus sorb_by?
<hagabaka>
*sort_by
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<matled>
hagabaka: well, I call .entries on a pathname object, first I map them to strings with force_encoding "binary", then reject %w(. ..), then map them to the objects I actually want to have, and finally sort them the way I want them
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<matled>
I didn't know that the dot may be at the start of the line
<hagabaka>
couldn't you convert them to strings inside reject block?
<matled>
I thought ruby would end the statement if a new line occured and wouldn't allow a method call
<matled>
hagabaka: reject does not map the objects
<matled>
hagabaka: so I'd have to do the .to_s.force_encoding twice
<hagabaka>
you can do anything you want in the reject block
<matled>
hagabaka: I know, but the return value of the reject block is a subset of the original collection
<matled>
I cannot replace the objects as I can do with #map
<hagabaka>
instead of objects.map {convert...}.reject, object {bad stuff}, objects.reject {convert, bad converted_stuff}
<andkerosine>
rvm --default use 1.8.7 is not being remembered...
<matled>
hagabaka: but I want to have the converted objects later on
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<hagabaka>
ok then, but I just thought it was unlikely that you would need to go through such a convoluted process
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<hagabaka>
what are you actually trying to do if you don't mind answering?
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<matled>
it's a method to return all directories/files within a given directory recursively
<eggman2001>
hello, if my nokogiri::xml::element has the html <option value="20">foo</option>, does anyone know how I can pull out the "20"?
<hagabaka>
like Dir['**
<hagabaka>
']?
<matled>
one problem is that ruby 1.9 encoding is really annoying. the strings returned by #entries may be flagged as UTF-8 but filenames just may be in any encoding, so I have to use force_encoding all the time
<hagabaka>
**/*
<manveru>
matled: that depends on the locale
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<matled>
irb(main):007:0> path.entries.map { |e| path + e }
<matled>
ArgumentError: invalid byte sequence in UTF-8
<matled>
this is what annoys me
<matled>
as this is not intended to be used as a library I could just do Encoding.default_external = "binary", but I hesitated from doing that as it feels a bit unclean
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<matled>
it is just so hard to get it right if you're working with the filesystem, environment or the arguments
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<andkerosine>
Is it still important to support <1.9?
<matled>
no
<andkerosine>
Really?
<matled>
yes
<andkerosine>
Excellent.
<matled>
oh, you just joined, I thought your question was related to my question :)
<matled>
I'd say it depends on what your target audience is
<andkerosine>
It's a wrapper for the reddit API.
<andkerosine>
It's pretty standard stuff, but I hate :x =>, when x: is an option.
<erikh>
uh
<erikh>
let's put it this way
<erikh>
most of the big boy libraries still support 1.8
<andkerosine>
I really ought to have been able to put that together. : /
<andkerosine>
I guess inheriting from Struct is so magical that my judgment got a bit clouded.
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<necromancer>
anybody ever get this? /usr/local/rvm/rubies/ruby-1.9.3-p0/lib/ruby/1.9.1/rubygems/custom_require.rb:55:in `require': cannot load such file -- airbrake (LoadError)
<necromancer>
it happens on my production server but not development server
<necromancer>
using AIrbrake without rails
<drbrain>
necromancer: did you install airbrake on your server?
<necromancer>
drbrain: yes, it's in my Gemfile
<necromancer>
which has been executed using `bundle install`
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<necromancer>
" Installing airbrake (3.0.9)"
<shevy>
hmm is there an "international" symbol for the action "view source" of a webpage? Right now I just display that text... wonder if an icon would be better
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<drbrain>
necromancer: sounds like a bundler problem then, try #bundler?
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<drbrain>
necromancer: if `gem list` shows airbrake and `gem which airbrake` shows an airbrake.rb and `ruby -rairbrake -e0` works, you can confirm it's a bundler issue
<drbrain>
also, be sure that `gem env` matches /usr/local/rvm/rubies/ruby-1.9.3-p0
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<zenspider>
what'd I miss?
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<drbrain>
nothing
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<zenspider>
heh
<andkerosine>
shevy: Why not Zoidberg?
<andkerosine>
necromancer: Is your production environment 1.8?
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<shevy>
andkerosine Zoidberg?
<andkerosine>
Sorry, disregard.
<andkerosine>
Um... an HTML tag or two usually get the message across pretty well.
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<necromancer>
drbrain: it is a bundler issue. i am installing with --deployment now
<njp>
gem install eventmachine.gemspec ERROR: Could not find a valid gem 'eventmachine.gemspec' (>= 0) in any repository ERROR: Possible alternatives: eventmachine-websocket, eventmachine-vnc, eventmachine-redis, eventmachine, event_machine_flush
<lianj>
gem install eventmachine-0.12.10.gem
<drbrain>
njp: you can't install a gemspec
<lianj>
gems, how do they work
<njp>
Ahhh, got it.
<njp>
Thanks
<drbrain>
njp: please, look at your output
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<njp>
That output doesn't say "you need to install the versioned .gem file" to me
<njp>
Maybe if you've been through this process enough you recognize it, but it's not terribly obvious.
<njp>
But, I do genuinely appreciate the help
<drbrain>
njp: .gemspec and .gem are two different types of files
<lianj>
what did you change? (curious)
<drbrain>
njp: also, `gem install` by default tries local files matching the name then remote files
<njp>
lianj: I'm working on a fix for a bug that we're seeing in a complicated TCP-based system.
<njp>
I don't have enough time to go into it in detail, but we were seeing some unusual TCP behaviour with a root cause in close_on_exec for socket file descriptors
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<lianj>
i would suggest doing it locally first, without reinstalling all the time
<lianj>
preferably in the git repo of eventmachine
<njp>
That's certainly what I'd like to do.
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<njp>
What's the right way of doing that?
<erikh>
njp: is there a rakefile in the repo?
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<njp>
Yeah.
<erikh>
rake -T
<erikh>
is there a 'gem' or 'install_gem' target?
<erikh>
or something similar
<njp>
there's a 'gem' target
<erikh>
ok -- you can probably use that to build your gem
<erikh>
so, like so: rake gem && gem install pkg/eventmachine-blabla.gem
<erikh>
it's not *great* but it's probably simpler than what you're doing.
<erikh>
also there's #eventmachine, which has some of the brightest hackers ruby has to offer in it
<njp>
Yeah, I did try this, in a git checkout
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<njp>
and got stuff like this:
<njp>
rake gem --trace rake aborted! no such file to load -- lib/em/version /home/nick/Work/ruby/install/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require' /home/nick/Work/ruby/install/lib/ruby/site_ruby/1.9.1/rubygems/custom_require.rb:36:in `require' /home/nick/Work/ruby/gem_src/eventmachine.git_checkout/Rakefile:123:in `block in <top (required)>'