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<Spooner>
platzhirsch : No, you don't ned to do that, since rubygems will do it for you. You will need to start it manually (if testing) with: ruby -Ilib bin/command
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<platzhirsch>
Spooner: ah ok, so -l[library directory] ?
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<Spooner>
Not -l (lower L), -I (capital i).
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<platzhirsch>
i for include
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<Spooner>
No idea.
<lupine>
protip for the year: don't have web services that receive yaml
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<sealeaf>
how do you check if something is an instance of a class?
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<blazes816>
sealeaf: the_var.is_a?(String)
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<sealeaf>
blazes816: thanks
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<RubNoob>
Gate have you seen a rails page not load a specific css file in some instances but not others?
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<RubNoob>
Gate I'm having an issue where sometimes when I click a link, it brings me to a page and the styling is correct (loads the css), but in other cases, the css page isn't loaded
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<nycjv321>
" invalid byte sequence in UTF-8 (ArgumentError)" What does this mean? trynig to make a simple regex in Ruby
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<nycjv321>
hmmm im doing something wrong
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<Gate>
RubNoob: have you looked in your log to see if there is a corresponding error when it is missing?
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<RubNoob>
Gate yes, actually, there are no errors on the server side, but the browser is reporting a 500 error when attempting to get stylsheets from the server
<RubNoob>
@Gate and it's not consistent, sometimes its one stylesheet, other times its a different one and the first one loaded just fine
<RubNoob>
Gate it is very confusing
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<Gate>
RubNoob: I presume you are on a recent version of rails? (3.*)
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<RubNoob>
Gate yes, 3.2.8
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<Gate>
RubNoob: same version I was on a few weeks ago :)
<RubNoob>
oh, should I update?
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<Gate>
RubNoob: definitely, there have been several major security fixes. However it probably won't solve your current problem.
<RubNoob>
Gate yea, I can't see how it would given I can't find anything specific to this error in this release
<Gate>
RubNoob: well, the problem your having is in a big moving part that I don't believe has been updated recently called the Asset Pipeline (forgive me if you know this already)
<RubNoob>
Gate yea, so I know of the asset pipeline, but not enough to know whether there is a specific issue with this
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<Gate>
There are things that I can imagine causing your problem, but I'm baffled by the fact that they are intermittent
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<Gate>
RubNoob: I would track down your apache logs (or whatever server you are seeing) and see if you can find out more information about the 500
<RubNoob>
Gate ok, thanks for the info
<Gate>
RubNoob: GL, I'll be away for a while, but I'll check back here later tonight.
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<RubNoob>
Gate it actually happens on a page refresh
<RubNoob>
strange
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<nycjv321>
why would I get this error when trying to do a regex in ruby? in `=~': invalid byte sequence in UTF-8 (ArgumentError) against a line in a block?
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<nycjv321>
im looping over an input file with each line as "line"
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<nycjv321>
I think Iknow why
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<Spooner>
nycjv321 : Because you are using an invalid byte sequence in the string. We'd have to see the regexp to know exactly what is causing the pain.
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<nycjv321>
The regex is "/.*/i" I think I know why. Line one has this "??+"
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<nycjv321>
what solves this is setting the position past the first four bytes. But the question is... is this normal?
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<Spooner>
nycjv321: I'm guessing those aren't question marks, but just displayed as such.
<Spooner>
"??+".force_encoding("UTF-8") =~ /.*/i is fine.
<nycjv321>
spooner 'zacky
<nycjv321>
ah force_encoding is a good idea!
<Quadlex>
Time to buy a new laptop bag
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<Quadlex>
Ouch... Mission Workshop bags are gorgeous but pricy
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<Spooner>
nycjv321 : Forcing it to ASCII might help. No idea.
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<shevy2>
the joy of encoding - welcome to ruby 1.9
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<nfk>
shevy2, we were dissing ruby 1.9 for that in an unrelated channel just 5 hours ago
<nfk>
also, did you know that rails acts in really weird ways if one of the parent folders (not part of the rails project) contains UTF-8 characters?
<nfk>
i learned it the hard way
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<nycjv321>
if my pattern is something like /Track Number/ and my input string is something like blahblahblah Track Number abasdhahsdhlasd any reason why it wouldn't find any matches?
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<doug>
gotta two dimensional array, would like to find the shortest (textually) way to iterate over it. the loop innards has to have the current indices as well as the current value within the array...
<doug>
ary.each_with_index {...each_with_index { ... } } being one way
<doug>
was hoping there was something that didn't look like two loops
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<flaccid>
hey guys in ruby how do i get the home directory of a specific user?
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<nycjv321>
flaccid: get output of pwd?
<flaccid>
nycjv321: its not for the current user
<nycjv321>
flaccid: ah for a specific user
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<flaccid>
i'm not sure if Dir.home is in ruby 1.8
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* Kovensky
is pretty sure one should just use 1.9
<flaccid>
not in my control
<Kovensky>
rbenv? :>
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<flaccid>
not in my control
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<postmodern>
flaccid, Gem.user_home
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<flaccid>
postmodern: thanks. how do i do that for a given user ?
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<flaccid>
postmodern: it does not take any arguments
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<flaccid>
this is a pretty weird limitation of ruby it seems
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<postmodern>
flaccid, ah no idea
<postmodern>
flaccid, ruby has an Etc library in stdlib
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<nycjv321>
anyone familiar with regex?
<flaccid>
its going to be easiest to do `echo ~#{node['backup']['backup_user']}`.strip
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<nycjv321>
I thought I was but apparently I don't know how to use them in Ruby can I pastebin some code and someone take a look why its not matching anything in my input text?
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<SEToChan>
but i aslo need somehow select count without limits
<SEToChan>
and i'm very new in ruby and rails (
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<breakingthings>
#ruby pls, what's the prettiest way to make a ? method
<breakingthings>
that just involves, say a single conditional.
<ebobby>
def equals? (x); self == x; end
<breakingthings>
:d
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<breakingthings>
nice and all, but I'm afraid I was looking for an arbitrary argument, not a comparison to the object
<breakingthings>
say… if thing.coolness > 50
<ebobby>
i just gave you an example, im pretty sure you can work your way up from there, or it may be that I understood your question incorrectly
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<breakingthings>
ebobby: I am wondering if there's a better way than if (condition) { true }; false
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<jpfuentes2>
do you mean using the ternary operator ?
<jpfuentes2>
value = thing.coolness > 50 ? :this_value_if_true : "this_value_if_false"
<ebobby>
the condition returns its value itself
<breakingthings>
right
<ebobby>
if it is a ? method then you mean a predicate, then oyu mean you return true or false
<breakingthings>
that's what I was looking for
<breakingthings>
thanks
<breakingthings>
I just felt like I was being stupid and I was
<ebobby>
we all are
<ebobby>
at some point or another
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<nycjv321>
is it possible to seek a file based on line instead of byte?
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<ebobby>
nycjv321: although I am not sure if you can do that or not, why don't you simply read the file into an array and use the index for whatever you need?
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<nycjv321>
I'm trying to make a parser
<ebobby>
although there are some disadvantages to what I am proposing of course.
<nycjv321>
so for example line 3 may be the beginning of an object definition but lines 4, 5, 6 may contain attributes
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<jpfuentes2>
what are you parsing?
<jpfuentes2>
ruby code ?
<nycjv321>
jpfuentes2 : output of another app which is poorly formated
<nycjv321>
object and attributes are my way of describing parts of the output. Okay what i am trying to do is make a parse for the output of MKVInfo
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<nycjv321>
ultimately I want to generate output for needed syntax to extract files from cli instead of having to read the man page I want my app to say "To extract audio and vidio use this command 'blah'
<nycjv321>
also I want to organize the files into objects/attributes for learning purposes e.g. output to xml, json just for fun
<rubyasker>
is there any syntax to do that in one line?
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<yfeldblum>
flyinprogramer, probably, mongoid checks whether the hash key is a special object that Symbol#gte returns, and then reconstructs a new Hash with a value of {"$gte" => value}
<rubyasker>
I know it doesn't work but... something like: {bar: my_hash.map {|id, value| value[:foo]}}
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<aquagrunty>
ryanf: yeah you can
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<aquagrunty>
but it's not NEARLY as elegant
<rubyasker>
aquagrunty, how?
<aquagrunty>
overriding .__getattr__
<aquagrunty>
ugh
<rubyasker>
yeah... ugh!
<aquagrunty>
like you can make a hash of all the attributes you want to override and make them () a function
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<aquagrunty>
so it's not horrible
<aquagrunty>
but i like def i_used_to_be_an_attribute
<aquagrunty>
better
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<rubyasker>
I can write a function too and hide all the code, yes
<rubyasker>
but I didn't want :P
<aquagrunty>
rubyasker: thats fine
<aquagrunty>
my current business needs require unlimited abstraction
<aquagrunty>
i work for an airline, i'm trying to start a new underlying framework for the whole thing
<aquagrunty>
because my god our systems suck
<rubyasker>
lol
<aquagrunty>
i was lamenting here yesterday
<rubyasker>
require './app.rb' \n do_it_all true
<rubyasker>
the ultimate abstraction
<aquagrunty>
about how the entire loyalty database written using transact SQL statements only
<aquagrunty>
imagine that
<aquagrunty>
an entire application
<aquagrunty>
built using SQL statements
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<rubyasker>
is that the case in the system the airline is using?
<aquagrunty>
yeah
<rubyasker>
ohh
<huoxito>
odd question, is there a way to know if a class calls a method? without setting new attributes in this method or doing some other hacky stuff
<aquagrunty>
what do you mean? class calls a method?
<huoxito>
like
<aquagrunty>
set an attribute in the function @trigger = true and then test for that using another public method?
<huoxito>
class Test; def hey; end; end;
<huoxito>
class Test; hey; end;
<aquagrunty>
how to tell if what you're calling is an attribute or a method?
<huoxito>
There's no way to know if the class Test calls the class method 'hey'
<huoxito>
sorry
<huoxito>
class Test; def self.hey; end; end;
<huoxito>
yes that's another good question, it's just not possible
<aquagrunty>
are talking about breaking encapsulation?
<huoxito>
I'll give the force_ssl method example in Rails
<huoxito>
Is there a way to check in a test if a given class call that class method
<huoxito>
?
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<rubyasker>
I would say you can compare the functions
<aquagrunty>
using a class variable and setting that variable to true when you hit the method?
<rubyasker>
but I didn't try it
<rubyasker>
like in: hey == Foo::hey
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<huoxito>
aquagrunty, but then I'd have to change the method implementation
<aquagrunty>
can't you override and call the super class or something?
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<huoxito>
sure I can override
<aquagrunty>
sorry i'm a bit new to the language, still building my first major app
<huoxito>
but I didn't want to
<aquagrunty>
coming from python
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<huoxito>
Same here almost
<huoxito>
1 year of ruby
<aquagrunty>
uh
<aquagrunty>
2 weeks
<shevy2>
huoxito cool
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<aquagrunty>
i love the onion layering effect of ruby
<shevy2>
huoxito hmm perhaps via caller() ? you could look at the call trace
<aquagrunty>
i can override whatever the hell i want >:3
<shevy2>
aquagrunty, yeah but there is no simple way to restore to the earlier code :(
<shevy2>
lemme change nick quickly
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<aquagrunty>
aw
<shevy>
aaah better
<aquagrunty>
bw use a DVCS if you don't already
<aquagrunty>
like hg
<aquagrunty>
(mercurial)
<aquagrunty>
it has saved my ass so many times
<aquagrunty>
being able to rollback to old versions of software
<aquagrunty>
without fucking everything up
<rubyasker>
can you pass functions as parameters or manipulate them without executing the code?
<aquagrunty>
?
<rubyasker>
I know it can be done for lambdas, but what about class methods?
<rubyasker>
def test(val); val+1; end; def foo(bar); bar.call 123; end
<aquagrunty>
do class methods exist outside of their scope?
<rubyasker>
how you call foo using test?
<aquagrunty>
modules are like classes from what i understand, but for functional "defs"
<shevy>
rubyasker what
<shevy>
dont you have a pastie please
<shevy>
aha
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<shevy>
rubyasker, you can pass a proc into a method as argument
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<shevy>
I think it is via &name_here
<rubyasker>
let me show you in JS: function test(val) {return val+1} function foo(bar) {return bar.call(123)}
<rubyasker>
foo(test) -> 124
<rubyasker>
(not tested code ^ :P)
<shevy>
so test() increments by one
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<shevy>
and foo... can't you call test() inside directly? anyway, I think you want a proc there, for bar
<shevy>
I think the syntax would be foo(&bar)... hmm lemme look up...
<aquagrunty>
i think what you're looking for are pointers
<aquagrunty>
and yes, & sounds like it
<rubyasker>
not necessarily.. you don't need pointers in JS ;)
<aquagrunty>
idk though i haven't needed to use a pointer yet
<aquagrunty>
year rubyasker because in js
<aquagrunty>
objects are not called unless you explicitly define ()
<aquagrunty>
so you can pass dead objects around, essentially
<rubyasker>
yep, that's the reason it doesn't work as in JS unless you do something else
<rubyasker>
like adding & or whatever it needs
<aquagrunty>
C is the same way
<aquagrunty>
i think
<aquagrunty>
except they have ** and *
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<shevy>
hmm I cant find the proper syntax
<rubyasker>
it can be done with lambdas
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<rubyasker>
but the challenge was to use any "normal" function
<aquagrunty>
i'm so glad i never need to touch C again :D
<aquagrunty>
the code behind ruby is quite elegant itself though
<rubyasker>
> str = "abcabcabc"; regexp = /bc/; s=-2; while ((s = (str[s..-1] =~ regexp || str.length)+s+3) < str.length) do puts s; end
<rubyasker>
1
<rubyasker>
4
<rubyasker>
7
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<rubyasker>
shevy, don't try this at home lol
<rubyasker>
you don't even need to set s=-2 at the beginning: while ((s = (str[(s || -2)..-1] =~ regexp || str.length)+(s||-2)+3) < str.length) do puts s; end
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<shevy>
cool
<shevy>
I suppose there is no way via one regex alone or?
<rubyasker>
(it is just for fun, DON'T use it)
<rubyasker>
I don't think so
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<rubyasker>
you mean without iterating?
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<Hanmac>
rubyasker can you repeat the question? i missed it
<rubyasker>
what question?
<rubyasker>
shevy's question?
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<Hanmac>
yeah i missed it because of my late login
<rubyasker>
> p = -2; "abcaaaabcabc".scan(/(.*?)bc/).map {|preffix| p += preffix.length + 2}
<rubyasker>
=> [1, 4, 7]
<rubyasker>
shevy, there you have a better approach
<FroMaster>
I just setup a ubuntu/ruby development environment and want to use the rails-prelaunch-signup app tutorial but use a prexisting git repository that my partner started working on. How do i git the existing repo? (i'm new to git/ruby but not to web development so confused on where to start)
<Hanmac>
FroMaster: git clone repositoryadress [dirname] where dirname is optional
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<rubyasker>
err, wait. you need a .flatten before .map: p = -2; "abcaaabcabc".scan(/(.*?)bc/).flatten.map {|preffix| p += preffix.length+2} => [1, 6, 9]
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<rubyasker>
:)
<rubyasker>
Hanmac, the idea was to return all the beginning positions of the substring "bc" in "abcaaaabcabc"
<rubyasker>
do you know any method to do so easily?
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<fuzai>
http://pastie.org/5653239 if message.content looks like "/userids 1" how could I extract that number into a variable?
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<ddd>
(message.content.split(' ', 2))[1]
<ddd>
don't need the , 2
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<fuzai>
I just figured it out with message.content.include
<fuzai>
thank you
<fuzai>
:)
<ddd>
np
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<fuzai>
is there a simple way to put a command on a timer that doesn't block the code?
<xybre>
Okay I know I'm missing something obvious here, but I'm basically just trying to convert a large number into a base64 string.
<xybre>
I can do number.to_s(32) to get it in base 32, and I can call Base64.encode64 on a string to convert its bytes to base 64, but nothing that bridges that gap.
<ddd>
Like Base64.encode(ver_with_large_num.to_s) like that
<ddd>
?
<ddd>
nm
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<xybre>
That will encode the string representation of the integer, not the bits.
<xybre>
And by "string" I really just mean "text".
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<xybre>
If I could convert an integer to a bit string, I could base64 encode it.
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<shevy>
guys
<shevy>
is it possible to use ruby webrick to serve ruby .cgi pages?
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<Mon_Ouie>
snake_case for variable and method names, CamelCase for constants (including class and method names). Some people prefer SHOUTING_CASE for constants that aren't class names.
<ddd>
Ruby enforces some naming conventions. If an identifier starts with a capital letter, it is a constant. If it starts with a dollar sign ($), it is a global variable. If it starts with @, it is an instance variable. If it starts with @@, it is a class variable. Method names, however, are allowed to start with capital letters. This can lead to confusion.
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<topriddy>
thanks. succint
<topriddy>
only Class Names take the camel notation
<topriddy>
ddd: enforces is going too far. i doubt it does
<heftig>
topriddy: it does.
<topriddy>
well the first part isn't true. "If an identifier starts with a capital letter"
<heftig>
it's true.
<topriddy>
wow!!
<topriddy>
so i can't do AGE = 10 and later do AGE = 50
<heftig>
you can reassign constants, but you get a warning
<ddd>
topriddy: try using @Variable and see what ruby does. Try using using $ as anything but a global. yes. it does enforce its rules
<topriddy>
heftig: seen. not principle of least surprise coming from another language. thanks for pointing that out. thanks ddd
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<topriddy>
i'm in chapter two of Little book of Ruby, and they haven't point it out yet explicitly. I finished some short interactive learn ruby tutorial. No explicit mention too!
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<Spooner>
topriddy, If nothing surprised you coming from another language, you might as well stay in the other language :)
<topriddy>
loool
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<topriddy>
O_O
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* topriddy
whispers i didn't coin that term
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* topriddy
back to reading…boss mustn't catch me reading ruby @ work in any case. Java Shop
<Spooner>
Meaning that if it is the same, then there is no reason to move (not that you should go away :D).
<xybre>
Ruby isn't based on Java.
<workmad3>
topriddy: you could claim you're doing jruby ;)
<blaxter>
thanks lord
<xybre>
Ruby has other languages where sigils do mean something specific.
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<topriddy>
i know…its influenced by perl
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<workmad3>
perl and smalltalk
<xybre>
Uhm, kinda, but its really smalltalk.
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<topriddy>
is the phrase - Ruby is a dynamic language correct?
<workmad3>
topriddy: yes
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<topriddy>
or the classification of : Dynamic Languages => Python, Ruby,
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<xybre>
It's freakishly dynamic.
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<ddd>
topriddy: btw, a shitload of good links for ruby. http://iwanttolearnruby.com/ :-) regardless of skill level, you'll find something there to entertain and educate
<workmad3>
xybre: there's a lot of perl philosophy in ruby, IMO, even if there isn't a large amount of perl syntax crossover :)
<hoelzro>
do_this if that
<hoelzro>
that's perlish
<topriddy>
ddd: i just need to dig in some basics, then move to rails to properly appreciate it more. might use ruby for mainly OS admin tasks, scripting, and prototype and fun web apps initially
<hoelzro>
not to mention the regex syntax, and regexes being 1st class citizens
<workmad3>
topriddy: well, python and ruby aren't the only dynamic languages ;)
<hoelzro>
and $!
<ddd>
rails has nothing to do with 'appreciating' ruby
<workmad3>
topriddy: but yes, in the static/dynamic typing axis of comparison, ruby is definitely on the dynamic side
<topriddy>
ddd: i'm not going to be doing desktop apps in ruby
<xybre>
Rails is just a framework. I had to explain this to a friend of mine, he kept saying "I know Rails isn't Ruby"
<hoelzro>
althought $" in Ruby and Perl have very different meanings
<ddd>
rails is just an framework written in ruby, used on top of ruby to create web applications. there's whole worlds out there that you can build and never once touch rails
<topriddy>
so using the web app framework, rails, would allow me point to something i did in ruby vis a vis rails
<topriddy>
ddd: or would you suggest a cool work to do ?
<workmad3>
hoelzro: ok, I'm now schooled, there are more explicit perlisms is the syntax than I thought ;)
<ddd>
shoes, green shoes, (couple others that integrate with Qt, but I don't remember the names)
<workmad3>
hoelzro: but I know that my perl is quite basic, so not that surprising I didn't spot much
<hoelzro>
workmad3: I think it takes a Perl coder like myself to see it all ;)
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<xybre>
I think Ruby pulls a lot of the good things from perl.. and a few bad things as well.
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<workmad3>
topriddy: you can pick an arena and decide what tools and applications you want to try to create there with ruby
<ddd>
topriddy: point i'm making is that ruby is 100% usable real-world even if rails were to suddenly be blown out of existence, never to have ever been implemented. there are also frameworks like ramaze that do the same thing but far lighter, etc.
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<ddd>
and there's what workmad3 just suggested as well
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<hoelzro>
the most important thing that Ruby brings in from Perl is TIMTOWTDI
<workmad3>
hoelzro: definitely :)
<Spooner>
ddd well, as someone trawling for Ruby contracts at the moment, I'm seeing 50 RoR things for every anything-else Ruby thing.
<workmad3>
hoelzro: and I really hated the python attitude of reversing that :)
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<hoelzro>
same
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<hoelzro>
that's pretty much why I stick with Perl
<hoelzro>
although I have made a 2013 goal of using Ruby more
<workmad3>
I like rails ;)
<hoelzro>
it's hard, though
* Hanmac
thinks that he should put *@yahoo.com on this spam list ...
<topriddy>
workmad3: windows applications? its easier just using the .NET or Java ecosystem for that. So web and admin task or say server are the realms
<ddd>
Spooner: how does that make ruby any less usable just because right now rails contracts are pervasive?
<Hanmac>
workmad3 i only like rails while i am sitting in a train
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<topriddy>
on to learning, from above. I don't understand how/why class/methods can be constants>?
<topriddy>
Mon_Ouie: snake_case for variable and method names, CamelCase for constants (including class and method names). Some people prefer SHOUTING_CASE for constants that aren't class names.
<topriddy>
[10:33am]
<topriddy>
^^
<Mon_Ouie>
I meant class and module names*
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<Mon_Ouie>
class Foo; end; Foo.new
<topriddy>
but a class can be modified in rib right?
<topriddy>
irb*
<Mon_Ouie>
There, when you create the class Foo, you actually created a constant name "Foo"
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<Mon_Ouie>
A constant means that you can't (or shouldn't, really) change the object it refers to
<topriddy>
oh okay. thought it was some new magical concept. thanks
<Mon_Ouie>
Not that you can't modify stuff within that object
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<topriddy>
i mean one can inject or modify methods of a Class in irb
<Spooner>
ddd It doesn't strictly, but it does mean that to get Ruby work you effectively need Rails. Doesn't mean you can't do work without Rails though (and no reason, for example, you can't automate tasks in a Java workplace with Ruby, for example).
<xybre>
2You can always freeze an object if you don't want to change the object itself
<workmad3>
topriddy: you can reopen a class
<hoelzro>
can you freeze a class?
<hoelzro>
I hadn't thought about that before.
<Spooner>
ddd Though I'm hoping I find some way around it. Rails just doesn't appeal too much.
<Mon_Ouie>
You can indeed
<Mon_Ouie>
And yes, it prevents you from defining new methods
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<hoelzro>
that...is...awesome.
<xybre>
Spooner: A lot of job listings lie. Most of the last 3 projects I've worked on had very little Rails and was mostly pure Ruby development. Some places just use Rails because its a buzzword, or gives structure to their projects.
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<workmad3>
Mon_Ouie: does it prevent you from defining new methods on the singleton class of instances?
<Mon_Ouie>
Not sure about that
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* workmad3
goes away to try
<Mon_Ouie>
Yep, that too
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<Spooner>
xybre, You give me some hope. Thanks!
<hoelzro>
workmad3: I would bet not
<workmad3>
hoelzro: aha, you can
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<topriddy>
xybre: what would you rather use for web apps then?
<Mon_Ouie>
Really? I got a runtime error when I tried
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<Spooner>
xybre, I'm also realising that some language-neutral (I need to be able to do X and just want an exe I can click on) projects might be well-suited to Ruby. I've been meaning to try contracting for a while, but only just got off my arse...
<ddd>
Spooner: i guess it depends on which 'market' you're applying in. there are many scientific and medical markets you can get ruby work in that have nothing to do with rails. (like the US national labs use ruby, NASA has internal jobs open for ruby programmers (wish i could get one. I have family that works at Johnson, JPL, and Ames Research Center, but nooo, can't get me one. thanks Uncle Thomas)
<topriddy>
meanwhile, anyone knows Java here? @@class_variable is same as static variables in Java right?
<workmad3>
>> class Foo; end; Foo.freeze; a = Foo.new; class << a; def bar; end; end; a.bar
<xybre>
Spooner: if you're doing anything other than just a basic website, you'll need backend systems which have very little to do with Rails. And most places have at least one Sinatra app because its just plain faster than Rails.
<Mon_Ouie>
I thought you meant the singleton class of the class itself
<ddd>
Spooner: but you're correct insofar as the current commerical mass markets
<workmad3>
ah, no, I was wondering if you could still extend instances
<Spooner>
topriddy, @@var is deprecated. You won't see it used in decent code. Look up "class instance variables" instead.
<workmad3>
so you could still make changes to specific local objects without polluting or messing around with the entire class structure
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<Spooner>
ddd Yeah, I am interested in Sintatra stuff (Or even Rails as a service rather than building web sites). I'm just feeling my way really.
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<workmad3>
topriddy: @@vars aren't quite the same as static vars in java, iirc my java correctly
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<xybre>
topriddy: Rails is fine in my opinion. Its not perfect, but I've not used anything that was overall better. Sinatra is nice, but its uber minimal and lacks a load of features. I'd probably suggest Merb if it hadn't been eaten by Rails.
<xybre>
@@vars are weird, they're straight from smalltalk.
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<ddd>
Spooner: don't feel bad. I completely stepped away from anything rails, just to focus on pure ruby apps, only to come back to rails because its what puts food on the table and quickly
<workmad3>
topriddy: the difference is that only one @@var exists for the entire class hierarchy from the base class it is first defined in down
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<workmad3>
topriddy: so if you make a change to an @@var anywhere, it is reflected across the entire hierarchy
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<topriddy>
just like static class var members in java
<Spooner>
workmad3, Not strictly true. It depends on the order each class references it whether there are one or more different @@vars.
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<workmad3>
topriddy: I thought in java a static var in a parent class wasn't shared across all classes derived from it
<Hanmac>
Spooner @@vars are not deprecated from the ruby devs, but i currently see no usage for it
<topriddy>
workmad3: hmm…true. (got to check again) X_x
<Mon_Ouie>
Pretty sure they are in C++ (then again, C++)
<Spooner>
Hanmac, Yes, OK, sorry, they aren't officially deprecated. There is just a better way and "noone" uses them any more (Rubymine shouts at me when I try to use one :D).
<workmad3>
topriddy: so that if you changed the static var in a derived class, that change isn't visible across all other derived classes from the parent class
<workmad3>
Mon_Ouie: yeah, well in C++, class definitions are more memory layout than anything else
<workmad3>
Mon_Ouie: C++ is also the only language I know where you can actually do object slicing :)
<xybre>
@@vars are useful for a very narrow set of things, if you're not careful, they can bite you though.
<workmad3>
@@vars would be better described as inheritance-hierarchy variables
<fuzai>
So if I can use array.include? "string" to find if a value exists in an array, how to I remove it?
<workmad3>
as that's then more descriptive of the actual scope of the damn things
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<Spooner>
fuzai, Array.delete "string"
<topriddy>
is there a concept of loading a file to irb? say i define some classes/methods/functions in a file and want to call/use from irb . i think i did this either in haskell/python (mixing things up these days…never learned any too deeply)
<workmad3>
Mon_Ouie: oh, what you can do in java but can't in ruby though, is shadow the parent static var with one in the derived class
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<Mon_Ouie>
Indeed
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<Spooner>
workmad3, Except you can, if you define the @@var in the child before it is defined in the parent (for example if you have something like def frog; @@frog ||= []; end and it gets called on the child class first).
<workmad3>
Spooner: ok mr smart :P
<workmad3>
Spooner: that sounds more like a bug of an implementation optimisation though ;)
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<Spooner>
workmad3, I think it is one of the major reasons @@vars are not used.
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<topriddy>
workmad3: just tried the require command. its not checking in the "relative directory" from where i launched irb from
<workmad3>
topriddy: that's because . isn't on the load path by default
<topriddy>
workmad3: might have to give a full path :(
<Spooner>
topriddy, require_relative
<workmad3>
topriddy: just do 'require "./..." ' in irb
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<topriddy>
require ./myapp.rb
<topriddy>
?
<topriddy>
above doesn't work. says ***wrong number of arguments
<workmad3>
require "./myapp.rb"
<topriddy>
oh in quotes.
<workmad3>
or just require "./myapp"
<workmad3>
yeah, it's just a method call remember ;)
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<workmad3>
and it takes a string
<Spooner>
Or require_relative "myapp.rb"
<topriddy>
oh true. treated it like an os command.
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<workmad3>
Spooner: I don't think that works in irb
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<Spooner>
workmad3, Oh yeah, crap.
<workmad3>
but yes, in normal rb files, you'd want to do require_relative, or ensure your load path is correct (something that things like rails and rubygems do for you)
<workmad3>
preferably, you should ensure your load path is correct, otherwise you're coupling your code to the relative position of two files
<topriddy>
workmad3: meanwhile, your tips work too well :D
<workmad3>
topriddy: it's important to not do require "./whatever" in normal code files ;)
<workmad3>
topriddy: as '.' is dependent on the launch location, not the file location
<topriddy>
workmad3: okay. noted sensei :D
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<topriddy>
workmad3: require_relative instead?
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<workmad3>
topriddy: the best solution is to make sure your application root code directories are in the ruby $LOAD_PATH
<workmad3>
topriddy: if you use require_relative, you just coupled that file's fs position to another file's fs position
<workmad3>
topriddy: you can't move either of them without changing the require_relative line
<topriddy>
one more thing, how do you guys know all the method names of a class/type/var also available lib functions??? In java there is IDE/Intellisense/Code Completion. There is also a detailed java doc
<ruby_date>
how can i reverse this expression? Date.ordinal(2012, n).to_time.to_i
<topriddy>
and to know the doc of a particular method? how to use it? intellisense in java tells you a lot on how to use the method, args, args ordering , return type etc
<Spooner>
topriddy, Use pry gem rather than vanilla irb. It makes that sort of inquiry a lot easier to read.
<workmad3>
ddd: .methods(true) is for not showing inherited methods, iirc
<ruby_date>
so i need to get Date.ordinal object from 1325361600
<ruby_date>
how can i do it?
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<ddd>
workmad3: ahh
<workmad3>
ddd: SomeClass.instance_methods is also an option
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<workmad3>
topriddy: the intellisense capabilities in ruby are not the same as in java (or rather, they're similar to what you can get in java if you start messing around with lots and lots of reflection)
<topriddy>
Spooner: i don't know what pry gem means. i just launch irb from mac bash. ***covers face***
<ddd>
github.com/pry/pry
<Spooner>
topriddy, gem install pry THEN just "pry" instead of "irb"
<ddd>
github.com/pry/pry/wiki
<topriddy>
okay
* topriddy
downloading
<ddd>
the README for the project will show you how to make pry the default even when you call 'irb'
<topriddy>
ddd: is that a good thing?
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<ddd>
um, yeah
<workmad3>
ddd: is it something other than a bash alias? :)
<ddd>
workmad3: yes ;)
<Spooner>
ruby_date, Time.at(1325361600).to_date
<Spooner>
(though that looks like it doesn't account for time zones on the return trip).
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<ruby_date>
Spooner: oh, thanks a lot
<sie>
Proc is simply a class for passing around blocks, correct?
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<ddd>
actually I dont' see it there anymore, so, just add https://gist.github.com/e0ad5dcf53f786c228cc to your ~/.irbrc and it will cause pry to launch within irb's session. then just read pry's docs on how to use it. does everything irb does and more. pretty simple to use :)
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<Spooner>
sie proc/lambda are not quite the same as blocks, but in a general sense, yes.
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<Hanmac>
an block itself is not a proc ... like when you only do yield with an do ... end as block, it does not create proc objects, but when you do &block eigher as parameter in the method or as parameter for the method, it does create Proc objects
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<Spooner>
ddd, I actually prefer to keep irb and pry separate. Pry can take 5s longer to load on Windows :/
<ddd>
hehe, yet another reason i won't waste my time with windows
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<Hanmac>
hm pry is also a liitle bit slower with loading on linux too
<Muz>
There's a known issue with 'require' being poorly performant on Windows and a fix for it, but I can't seem to find it right now.
<ddd>
not had that problem on debian testing, ubuntu 12.04, or mac osx ML
<Muz>
I wouldn't be surprised if it was related to this though.
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<Spooner>
It is, but it makes enough difference in Windows if I just want to quickly test a one-liner (irb) or start a longer session (pry)
<Spooner>
Muz 1.9.3 is massively faster at requiring.
<Spooner>
*on Windows.
<Muz>
Ah, it probably nods towards that patch in 1.9.3
<Spooner>
I would have said 10s slower in 1.9.2 :D
<ddd>
that could be another reason. i don't touch anything 1.8.7. everything i work on is some patchlevel of 1.9.3
<Muz>
I can't recall if it's slow because of NTFS or if it'd still occur with a different FS.
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<Muz>
(Such as exFAT)
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<Spooner>
Not sure. I think the 1.9.2->1.9.3 speedup was just optimising some super-dumb code, not OS-specific.
<Muz>
"The work of this project has already been merged into Ruby 2.0 and soon will be backported into Ruby 1.9.3."
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<Muz>
Not sure which patchlevel release it made its way into though.
<topriddy>
God bless the person that mentioned pry…it is SWEET!!
<topriddy>
i like the colourings there
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<topriddy>
wish i could just even edit my program there and somehow output some classes to file or get my program in a file afterwards
<Spooner>
You might want to install ruby-doc too, since that gives you access to all the standard docs (like Array/String, etc). Save some time by installing pry-full and you get a whole sack of crazy :)
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<Spooner>
topriddy, You can edit in pry. Just can't magically dump the current state of stuff you've build in the REPL
<topriddy>
heh. trade off
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<Spooner>
Sorry, I mean you can edit source files in pry and re-load them.
<topriddy>
Spooner: using TextMate2 for file editing atm. would have loved something cooler. Like someone cool Mac Ruby dev settings
<workmad3>
topriddy: you could also ask banister what his colour scheme is and use that in your editor ;)
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<topriddy>
i have ruby-doc --- yet to read how to use it though. Left Little Book Ruby and now reading PickAxe
<workmad3>
topriddy: also, vim is a decent choice for a ruby editor with plenty of support
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<workmad3>
(or emacs, if you're that way inclined :P )
<Spooner>
topriddy, I use Rubymine IDE, but it isn't free except for opensource development (and sublime text for tiny scripts).
<topriddy>
workmad3: i would need a decent vim .vimrc for ruby then i think. and some tips. i don't mind using vim
<ddd>
I use RubyMine myself, but ther eis also Aptana Studio 3 which is another IDE like it, but is free
<ddd>
They also offer RadRails
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<workmad3>
topriddy: I use the vimified .vimrc (poorly) with a few customisations and extra packages :)
<Spooner>
ddd thanks, I'll try Aptana
<ddd>
sublime text2, radrails, vim, textmate on the mac, whole bunch of editors and ides
<topriddy>
workmad3: please share .vimrc for ruby custom editing. and the extra packages….would stick to TextMate2 for a while more though.
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<Spooner>
You don't need more than that really.
<Spooner>
Anything past notepad is fine :)
<ddd>
wow, in order for RubyMine to update my address on the license, they have to 'refund my order and reprocess it' in order to change my address??
<ddd>
also sent them 3 emails with the change of address in them, but they want *another* email with the new address? really?
<workmad3>
topriddy: I'm not exactly a stellar vim user though :)
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<topriddy>
workmad3: thanks. same here. but some guy i introduced to programming some 3years ago, decided not to go with java but ruby (because of some asterix telephony software PBX on linux which supported it), now he;s so cool and productive in ruby. knows vim. If my student can learn it, i can too :D
<topriddy>
appreciate all of you much ***hugs***
<workmad3>
:)
<hoelzro>
topriddy: what resources are you using to learn Ruby?
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<topriddy>
hoelzro: have read some several short tutorials, first: learn ruby (interactive online tutorial - pretty short), an old copy of (Little Book of Ruby - stopped at end of chapter 2), now i want to use PickAxe
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<hoelzro>
topriddy: if you're looking for a book and willing to spend a bit of money, I highly recommend "The Ruby Programming Language"
<hoelzro>
it's a fantastic book
<workmad3>
hoelzro: that's the pickaxe ;)
<workmad3>
oh wait sorre
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<workmad3>
getting programming ruby and ruby programming language mixed up
<hoelzro>
I would bet that at least 20% of my messages to this channel are recommendations for that book
<hoelzro>
I should become an affiliate =)
<JonnieCache>
the one with the birds on the front
<JonnieCache>
is the one you want :)
<hoelzro>
yup
<JonnieCache>
the pickaxe is good too though
<workmad3>
either would be good I suspect :)
<workmad3>
either way, I'd probably suggest that you pick a project to do in ruby now, get some more immersive learning done
<JonnieCache>
definitely
<workmad3>
or start solving project euler problems, do some katas in ruby...
<topriddy>
goal is to know enough fundamentals to do scripting and OS admin and then play with Rails or any reasoning web app to do a fun web app
<workmad3>
something to start immersing yourself in the language rather than just reading reams of text :)
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<Spooner>
And remember to Ruby.learn, not learn Ruby ;)
<topriddy>
other than Web projects, and simple admin one time scripts, i can't really think of what to use Ruby for. Same can be said for Python
<workmad3>
Spooner: how about Languages.learn :ruby ;)
<workmad3>
topriddy: I believe there are a few in here doing games in ruby atm too
<Spooner>
Yeah, I write games. They suck ;)
<workmad3>
topriddy: but basically, you can use ruby for pretty much any general task
<workmad3>
Spooner: I didn't say anyone wrote *good* games in ruby :P
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<wreckimnaked>
games in ruby, that's something new
<grzywacz>
trolololo
<workmad3>
topriddy: I've mostly stayed in the web-app sphere since I learned ruby (because that's where my job is now), and it's definitely the most visible aspect
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<topriddy>
even desktop apps are preferable windows or java. programming devices too, e.g POS, Printers, etc. most apis come with java/windows dlls
<workmad3>
topriddy: yeah, but you can use jruby on the JVM
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<topriddy>
"and deal with its own issues". :D
<topriddy>
really, i think i have gotten a better view…i should go off and study now. thanks all again
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<topriddy>
please see…happened after i installed vimified on mac bash
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<topriddy>
same happens trying to edit ruby code created through textmate2
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* Hanmac
point finger and laughs about mac users
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* csmrfx
Are you sure it is not the pythonists that are pointing the finger at ruby windows, ruby mac and debian rubygem users?
<csmrfx>
(and laughing))
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<ddd>
Captain Chuckles ;)
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<bhavesh_a_p>
in ruby 'data members' means variables, objects ....?
<banister_>
bhavesh_a_p: what epression is never used but it will mean instance variables
<banister_>
'data members' is a C++ term
<banister_>
that expression*
<banister_>
c++ "data members + member functions" --> ruby "instance variables + methods"
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<bhavesh_a_p>
actually I just read that in ruby methods are default public & data members are private
<bhavesh_a_p>
<banister_> thanks
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<topriddy>
what??
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<banister_>
bhavesh_a_p: yeah that's true
* topriddy
sighs…back to textmate2 for now.
<banister_>
bhavesh_a_p: but it's more extreme, ivars are not only 'private', it's impossible to make them public
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<banister_>
if you want to access them u have to do it through a method
<bhavesh_a_p>
hm
<ddd>
banister_: i was mentally arguing against that statement until i realised duh, getter/setter is *exactly* that (dumbass me)
<bhavesh_a_p>
or we can make it public using like attr_accessor
<ddd>
bhavesh_a_p: still a method actually
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<Hanmac>
its possible to get instance variables without an attr getter, with obj.instance_variable_get(:@abc)
<bhavesh_a_p>
:) right
<ddd>
its just a dynamic way of creating the methods
<ddd>
Hanmac: does that bypass mass-assignment (iirc thats rails specific)
<ddd>
?
<fuzai>
Is there somthing like tidy for ruby code?
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<topriddy>
Hanmac: you should help…not laugh :|
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<ddd>
the mass assignment being rails specific, not the method you mentioned
<Hanmac>
ddd i think yes, because it the instance_variable_set method does assign the variable directly and ignore all possible get or set methods
<ddd>
got it. thanks
<Hanmac>
same goes for instance_eval {}
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<banister_>
Hanmac: that's a method too
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<ddd>
other than shitloads of typing, what would be insane about using that and not opening vars to mass-assignment? i mean i know that'd be a bucketload of extra typing easily solved by attr_accessible, but would it be a safer way? or am i missing something in the details of m-a?
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<Hanmac>
>> class A; def abc; p "getter called"; return @abc;end; def abc=(value);p "setter called"; @abc = value; end; end; a = A.new; p a.abc; a.abc = 4; p a.instance_eval {@abc}; a.instance_eval {@abc = 5}
<ddd>
i mean i realize people wuld look at me insanely for typing it out like that when there's a shortcut, however, i fail to see why that would be an unsafe thing to do
<Hanmac>
ddd i dont know your called "mass-assignment" because it may reails specific and i didt see it before
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<ddd>
Hanmac: vars are by default blocked from being assigned unless they are marked with attr_accessible in rails. just the mere fact of them existing (they are dynamically created from AR fields on a record) doesn't allow them to be assigned with the security change in rails (early 3.x iirc)
<apeiros_>
s/vars/attributes/
<apeiros_>
(you can't block vars)
<ddd>
apeiros_: you're right. i should have stated it that way. thank you
<ddd>
they're synonymous in my head
<Hanmac>
yeah when ivars attack they are unblockable :D
* apeiros_
protector of semantic details
<ddd>
heheh
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<topriddy>
does anyone else use vimified on mac vim successfuly? during installation the only thing that failed was vim-slim requiring a github password
<workmad3>
topriddy: I do... but I use macvim through the terminal
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<topriddy>
workmad3: i don't have macvim. how do i get that?
<Xeago>
macvim through terminal, mind explaining?
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<Xeago>
you mean the vim from macvim?
<workmad3>
Xeago: yeah
<workmad3>
Xeago: so it's the macvim build, but in terminal rather than GUI mode
<apeiros_>
oh, Xeago - sorry about monday, was already sleeping - but tonight?
<Xeago>
apeiros_: maybe, depends what time office closes
<Xeago>
haven't played since 2012-10
<Xeago>
workmad3: ctrlp vs command-t
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<Xeago>
workmad3: have you set it up that it looks in /Applications/MacVim.app/wherever/the/dir/lives
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<workmad3>
Xeago: ctrlp... command-t requires too much effort to set up
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<Xeago>
I find it quite easy to setup, how is the performance/
<Xeago>
it is a few steps, which is annoying if vim doesn't have ruby
<Xeago>
but if it has ruby, it is all shiny stuff
<apeiros_>
Xeago: I played a bit, but still bronze (even though I win ~4 out of 5 games, but probably I just don't play enough)
<Xeago>
aight, cool!
<Xeago>
I got a new b.net code since the patch tho
<topriddy>
workmad3: do you remember having to provide github username/password while installing vimified? i'm using the lazy-man installation instruction
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<workmad3>
no, if that happens with vundler it's normally a sign that there's an incorrect repo name there
<topriddy>
i didn't install bundler….do i need too?
<apeiros_>
Xeago: pm, hope it's ok :)
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<topriddy>
thought vimified was a layer on vundler according to wiki tho
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<Xeago>
bah, the top of a cucumber tastes like crap
<shevy>
is it very helpful to define private for classes in ruby?
<shevy>
it seems to reduce freedom
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<hoelzro>
I would create public methods as part of the API that users are encouraged to use/extend, and private methods for methods that may change or go away
<shevy>
hoelzro ah ok, so it becomes an element of public API design
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<hoelzro>
shevy: for me, yes
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<hoelzro>
banister`sleep: very Smalltalky
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<banister`sleep>
hoelzro: that's the ultimate idea ;)
<banister`sleep>
getting there, slowly
<xeviox>
hi guys, I have string like "%VARIABLE%\nValue\n\n%VARIABLE..."
<hoelzro>
=)
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<xeviox>
how can I extract value of a specific variable?
<hoelzro>
xeviox: you mean getting the value of a Ruby variable by name?
<xeviox>
hoelzro: no, out from the string I posted
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<hoelzro>
oh, I see what you mean
<csmrfx>
Whats a nice, clean ruby-webdriver project I should steal code from?
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<scrapcode>
"NoMethodError: undefined method `p' for main:Object" I'm trying to replicate "print_r" in php in RubyFiddle.com to play with hashes and "map" for better understanding. Is it just fiddles fault that this method doesn't exist?
<xeviox>
I thought of using my_string[..., 1] with a regex that creates two groups (first variable name, second the value), but I don't know how to do this
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<hoelzro>
ah, another thing Ruby inherited from Perl: __END__/DATA
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<JonnieCache>
every time i remember that feature im thankful hardly anyone knows about it
<JonnieCache>
imagine if the rails lot had got excited about that feature 5 years ago. imagine the mess we'd be in haha
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<xeviox>
is it possible to use string[...] with a variable?
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<xeviox>
e. g. my_string[[a-z]] with my_sting[first-last]
<shevy>
xeviox, use a regex + match group
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<xeviox>
shevy: how can I build a regex with variables?
<xeviox>
and is it usable with string[...]
<shevy>
xeviox string support regex
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<shevy>
"abcdef"[/cd/] # => "cd"
<shevy>
"abcdef"[/cdxx/] # => nil
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<xeviox>
shevy: is it possible to use a variable instead of "cd" ?
<csmrfx>
sie: you can pipe output to a file if nothing else
<sie>
Hanmac, Oh, come on.
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<sie>
csmrfx, Well yeah, I guess I simply don't like how sprinkle does things.
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<csmrfx>
well, I dont even know what sprinkle is and how you use it and where it outputs
<sie>
ner0x, Oh, really, why?
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<ner0x>
sie: Brings a lot of people to the language.
<ner0x>
sie: Unfortunately you also get what you get with any mainstream framework/language, newbs by the hundreds.
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<csmrfx>
look guys
<JonnieCache>
it brings more money to the jobs though :)
<csmrfx>
you clearly havent patrolled ##javascript or similar
<csmrfx>
##ruby is a small side alley shop with very low traffic
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<csmrfx>
if rails bothers you, just do what ##javascript did with !jquery
<csmrfx>
(an irc macro that tells people that this is not a rails channel and where to go)
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<ericwood>
autokick people who mention rails
<csmrfx>
lol
<ericwood>
you have to rule with an iron fist, or else nobody will learn
<ner0x>
I have no problem with rails.
ericwood was kicked from #ruby by apeiros_ [you mentioned rails :-p]
* apeiros_
snickers
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<ericwood>
damn
<apeiros_>
;-p
<csmrfx>
ha-ha
<Pip>
：D
<apeiros_>
you could #ruby-without-rails
<apeiros_>
or #rubyoffrails
<ericwood>
#rubyoffdarailz
<Hanmac>
#rubyonmonorails
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<csmrfx>
#rubyonair
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<Pip>
damn
<Hanmac>
#rubyoncrack ;D
<shevy>
#rubydavidhasslehoffiscooler
<llaskin>
is the require syntax different between 1.8.7 and 1.9.3 for example "require 'lib/Portal/Setup.rb'" worked in 1.8.7 and doesn't work in 1.9.3
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<ericwood>
require_relative is what you want
<shevy>
llaskin they took out "./" from the path, I think, and added require_relative
<llaskin>
so it shoudl be require_relative ?
<llaskin>
ok
<csmrfx>
llaskin: you need require rubygems?
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<shevy>
llaskin or you install your project into ruby SITEDIR
<ericwood>
not in 1.9
<shevy>
require 'foobar'
<ericwood>
require rubygems was phased out iirc???
<csmrfx>
oh, its the wrong way around for that
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<Pip>
#ruby-wet-bed
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<apeiros_>
ericwood: correct
<ericwood>
good.
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<ericwood>
I always hated that
<ericwood>
but anyways, require_relative is what you want
<JonnieCache>
nooo
<apeiros_>
IMO require_relative = instafail
<apeiros_>
(with some rather rare exceptions)
<ericwood>
not in my experience
<JonnieCache>
just add the right dirs to the load path
<apeiros_>
it means you haven't understood $LOAD_PATH
<shevy>
I hate require_relative
<ericwood>
that's stupid, require_relative is awesome
* ericwood
feels cornered all of a sudden :|
<apeiros_>
ericwood: in 99.9% of all cases, you have a lib dir, and that's installed - it already IS in load path
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<workmad3>
ericwood: it couples files together
<workmad3>
ericwood: nastily so
<apeiros_>
so a plain require would work just fine
<ericwood>
hmmm okay
<shevy>
ericwood well, I can avoid it if I can use require a project
<apeiros_>
the only case where it doesn't is during development
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<apeiros_>
because during development, your thingy is not installed
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<Akinsola>
new
<Akinsola>
here
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<shevy>
it has extra word, so a bunch of require 'bla' looks different than require_relative 'bla'
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<shevy>
it annoys me visually :(
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<shevy>
matz should have called it "import" :P
<apeiros_>
welcome here, Akinsola. On a sidenote, you're allowed to write more than 1 word per message ;-p
<Pip>
I just wrote a program in Ruby that keeps asking you if you wet bed; and it won't stop until you say "yes"
<shevy>
Pip are you really using ruby ...
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<Pip>
I use recursion
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<Pip>
shevy, define really
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<apeiros_>
Pip: so it'll stop too if I say 'no' often enough
<shevy>
as in WROTE something really ;)
<apeiros_>
(well, it'll stop violently…)
<Pip>
let me share it
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<shevy>
ok
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<llaskin>
shevy: so you have to specify the folder name? so instead of require 'lib/Portal/Setup.rb' I should say require_relative 'trunk/lib/Portal/Setup.rb' ?
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<shevy>
llaskin I do not use require_relative. but as far as I know, you can just give the file path to require_relative, if you want to use it
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<llaskin>
its still spitting up
<shevy>
llaskin the alternative is to setup a proper project directory structure, with a lib/ directory, then install that somehow, like via setup.rb
<ericwood>
will ruby automagically know to check lib/ ?
<llaskin>
C:/SVN/rubymine_checkout/lib/Portal/Setup.rb:1:in `require_relative': cannot load such file -- C:/SVN/rubymine_checkout/lib/Portal/lib/File.rb (LoadError)
<shevy>
and when you then do: require 'foobar', you also have a file called foobar.rb that can call your other files in your project
<karl____>
Pip: try gets.to_s.chomp.downcase ?
<shevy>
aha so you are a windows guy ;<
<llaskin>
hah
<llaskin>
also i think i just figred out when i reread that
<shevy>
hmm
<shevy>
have you tried to leave out C: ?
<Pip>
karl____, No need to put to_s there
<Pip>
gets does get string
<shevy>
anywy, it should work from within irb llaskin
<shevy>
even on windows
<apeiros_>
llaskin: require 'Portal/Setup' should do it
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<apeiros_>
since lib should be in $LOAD_PATH
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<llaskin>
lmfoa yes i did
<shevy>
Pip your script even works
<shevy>
I am impressed
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<llaskin>
it actually is working this way: require_relative '../Portal/Setup'
<Pip>
lol
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<apeiros_>
you're doing something wrong then
<apeiros_>
how do you start the executable?
<shevy>
llaskin see now I am beginning to hate require_relative even more
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<shevy>
I can not remember ever having to do: require '../
* apeiros_
assumes `ruby bin/whatever`
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<csmrfx>
#in ruby code (adding directory to $LOAD_PATH
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<csmrfx>
$:.unshift File.join( %w{ /lib mylib } )
<apeiros_>
nah, just `ruby -Ilib bin/whatever`
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<apeiros_>
no need to pollute code for development-time only things
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<csmrfx>
heh, there are other ways but can't paste em from here
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<csmrfx>
or, perhaps in your Daddy-ruby-file:
<csmrfx>
$:.unshift File.dirname(__FILE__)
<apeiros_>
if you really have to: lib_dir = File.expand_path('../../lib', __FILE__); $LOAD_PATH.unshift(lib_dir) if File.directory?(lib_dir)
<Hanmac>
manipulating loadpathi itself is not an good idea when you dont know that you do
* apeiros_
prefers absolute paths in $LOAD_PATH
<apeiros_>
Hanmac: +1
<apeiros_>
as is using require_relative…
<Hanmac>
require_relative should be safe to use
<apeiros_>
it's bad coupling.
<ericwood>
why is he right and I'm wrong?
<ericwood>
not fair
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<apeiros_>
he's wrong too, if that makes you feel better :)
<ericwood>
nope
<apeiros_>
require_relative (except for some rare cases) = instafail
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<ericwood>
for simple use I think require_relative is The Right Way™
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<apeiros_>
use lib + plain require.
<apeiros_>
ericwood: never if "lib" is part of the path.
<ericwood>
but will the lib dir already be known by ruby?
* Hanmac
has skilled in Rightness and has an +1Right-Club
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<apeiros_>
ericwood: again, on anything that is installed: yes.
<ericwood>
woooo
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<ericwood>
okay, apeiros_ is right, then
<apeiros_>
and when you're working/developing the thing, you can add it through -I
<Hanmac>
ericwood: only if you installed it as gem with an currect gemspec
<ericwood>
sorry, Hanmac
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<ericwood>
oh
<ericwood>
well that seems like a lot of trouble
<Pip>
What's the factorial of 3000 ?
<ericwood>
Pip: too large
<apeiros_>
Pip: range + inject
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<apeiros_>
and yeah, it's 9131 chars long, so not pasting here.
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<topriddy>
hi...at the risk of sounding like an idiot...i want to ask if one can pass unique code_blocks to a method in a single_call, and how one would differentiate them with the yield method
<apeiros_>
(2..3000).inject(:*) # this works perfectly fine
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<xeviox>
code: http://pastebin.com/W6yRKt4w , error: `name': wrong number of arguments (0 for 1) (ArgumentError)
<shevy>
topriddy yield always accesses the block you gave to a method, you can check if a block was given, via "yield if block_given?"
<xeviox>
"pkt.to_s" works fine ..
<ericwood>
xeviox: you really, really, need to use attr_accessor and attr_reader
<shevy>
topriddy I do not know what you mean with "in a single_call"
<Hanmac>
yeah and its the same as the result of BigDecimal ... (but for a moment i thought that big decimal is more currect)
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<apeiros_>
Hanmac: with Bignum you either get an accurate result or no result at all. it's not a float.
<xeviox>
ericwood: I check already, as you might recognized I'm new to ruby :(
<Hanmac>
xeviox: there is no method overloading, so your secound method overwrites the first one, and setter methods does have an "=" at the end
<ericwood>
xeviox: this isn't like java, you redefined url
<topriddy>
something like that
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<shevy>
hehe
<shevy>
apeiros_ once wanted to have multiple blocks to a method
<topriddy>
shevy: what have seen though is. call_block{code_block_1}
<ericwood>
xeviox: the issue is that you can't define methods with the same names and different numbers of arguments and expect them to all be unique
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<apeiros_>
shevy: "once"?
<shevy>
topriddy, yeah, only one block is allowed :(
<apeiros_>
I still do. and halsbe does have that.
<shevy>
hehehe
<topriddy>
not like i want it. I wondering if its possible, since i am learning syntax.
<ericwood>
xeviox: take a look at attr_reader and attr_accessor and use those to define your getters and setters instead
<apeiros_>
well, technically, blocks are ordinary arguments there.
<xeviox>
ah ok thanks!!
<apeiros_>
{…} is a code literal there
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<xeviox>
ericwood: I'll do :) thanks
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<ericwood>
xeviox: you're a java programmer, aren't you? :P
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<xeviox>
ericwood: yes ^^
<Hanmac>
rtopriddy: you cant pass multible blocks without converting them with proc or lamba into real parameters
<shevy>
topriddy, you need to use halsbe one day then :P not sure why matz did not want more than one block, or perhaps the ruby parser would get confused, or some other syntax has to be changed
<apeiros_>
topriddy: you can come close to it using stabby-lambda syntax
<ericwood>
xeviox: luckily you don't have to type as much for simple things like this in ruby :P
<xeviox>
ericwood: it's always the problem when coming from another language, you may right the new one, but you right it in the style of the one you're coming from :(
<xeviox>
no it's also clear why "class.field = value" didn't work ..
<shevy>
topriddy well you dont have to use stabby lambda, in fact, you can use 20% of ruby and be more productive that way!
<apeiros_>
ok, I retract my statement - you *can* mix the syntaxes.
<xeviox>
*now
<Hanmac>
huch ... "{ "foo" => 12, foo: 13}" works on irb but "p { "foo" => 12, foo: 13}" works not :D
* apeiros_
is pretty sure that wasn't always the case
<apeiros_>
Hanmac: that's due to p{}
<apeiros_>
you need parens there
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<apeiros_>
it's considered to be a block
<shevy>
ewwww parens
<topriddy>
its a lil weird that the whole single data type for arrays arent single types unlike most c-like languages. Even Haskell (i think). But then in Ruby everything is an object...guess its just an array object
<shevy>
so you can omit the {} there too, haha hilarious
<Hanmac>
eregon: yeah free the parameters :D
<ericwood>
A++++ would code again
<eregon>
:)
<apeiros_>
fascinating, it worked in 1.9.2 too
<shevy>
ruby must be easily as good for golfing as perl is
<apeiros_>
I wonder why I was under the impression that the two styles were not mixable
<ericwood>
pretend they are
<shevy>
apeiros_ perhaps because your brain likes to keep things simple
<ericwood>
it's for the best
<csmrfx>
shevy: surely you've seen rubykoans
<shevy>
I feel not comfortable mixing syntaxes at all
<topriddy>
yeah...java
<shevy>
keep it all simple, for the sake of the kittens
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<csmrfx>
I love it how ruby isn't made for autistic mathematicians suffering from OCD with Aspergers
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<speakingcode>
topriddy: me too, by way of javascript tho. don't worry, once you have some good places to apply it, it's nice. just don't abuse it :-) it works great with the duck typing
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<Hanmac>
csmrfx what means 0CD?
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<csmrfx>
Obsessive-Compulsive-Disorder
* Hanmac
is an aspi
<csmrfx>
ok no offense intended, just used metaphors to illustrate Haskell
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* Xeago
is an aspi too
* ericwood
is an ADDi
<Hanmac>
i havend see haskell yet, but ruby feels "natural"
<ericwood>
haskell doesn't feel natural
<ericwood>
unless you're a lambda calculastitician
<Xeago>
haskell is dark magic
<Sgeo_>
"natural" is entirely dependent on what you're used to
<Xeago>
seen that in ##crypto did not understand a thing
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<ericwood>
I was pretty decent with haskell for small things, but I never truly grokked monads
<Hanmac>
Xeago: than you havend seen what i did with C/C++/Ruby combined :P ... that what i would call "black magic"
<Sgeo_>
I've been immersed in Python for a while, so omitting parens to mean "get the method itself" is natural to me, and that doesn't work in Ruby
<ericwood>
it was good practice in functional programming, though, and made me a better ruby programmer
<Xeago>
Hanmac: I agree, the code I seen you paste here I also call black magic :)
<mwlang>
and I want to go tld at first level, then domain base at next, then leaf node is the "www', "ads", etc.
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<mwlang>
its going to be quite large, so I figured general to specific is a good organizational structure and then I thought, "I bet somebody else has done this already"
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<speakingcode>
if you have am ethod that takes a class as a parameter, is the convention to capitalize or lowercase the paramaeter name?
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<speakingcode>
like def callSomethingOnAClass(someclass) someclass.something
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<mwlang>
ok, I'll roll it myself -- I knew about reverse, just thinking about splitting off the "http://" and any trailing sub folders (which themselves will become keys.
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<mwlang>
speakingcode: I think the convention is to call that parameter "klass" -- at least that's what I see in many cases
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<bean>
mwlang: if you end up doing anything cool with it, you should open source it
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<lupine>
who knew self.class could be so expensive?
<mwlang>
change split(".") to split(/\.\//) and I'm done.
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<xeviox>
as far as I've understand "attr_accessor" generates the method "attribut()" and "attribut=()" can someone explain why it is possible to use it like "object.attribute = value" (with a space)?
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<chiel>
it's a ruby thing (that's about all i know, haha)
<Hanmac>
xeviox because its black magic
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<chiel>
it's a bit like how you can define [] and []= methods
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<chiel>
they provide obj[:key] = value and such
<Hanmac>
xeviox "3 == 4" is also magic, its parsed as "3.==(4)"
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<speakingcode>
hmm klass seems really vague in my use. i suppose a meaningful name with _class or _klass on the end would be okay. thanks mwlang
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<xeviox>
ok thanks
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<xeviox>
so "class.attribute = value" gets parsed to "class.attribute= value" ?
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<lupine>
yes
<speakingcode>
xeviox: class or object?
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<xeviox>
speakingcode: sorry object
<lupine>
strange things happen if you do, say, def foo=(a, b) then try to do something like foo = *[a,b]
<speakingcode>
i may be wrong but i think a class var is accessed with ::
<lupine>
but that's the basic idea
<lupine>
speakingcode, you can use . for either
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<lupine>
so today, I'm mostly wrestling with *extremely* unperformant contractor code
<lupine>
ordinarily, knocking 100 seconds off runtime would be a job well done and off home early. today, it's the tip of the sodding iceberg
<Guest0223>
hi
<Guest0223>
where is everyone from
<Guest0223>
anyone from uk ?
<lupine>
moi
<chiel>
lies, you're clearly french!
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<lupine>
nein
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<chiel>
:D
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<workmad3>
lupine: you're a member of UK royalty, right?
<lupine>
"let's call this method and some other ones - all slow - 21,761,269 times just to populate a poxy qt treeview, eh?"
<lupine>
workmad3, I hope not
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<workmad3>
lupine: just you're claiming to be UK and talking german...
<lupine>
if I am, I'll have to put myself up against a wall when the revolution comes
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<workmad3>
lupine: and my massive knowledge of UK royalty (garnered from being british and therefore means 'practically no knowledge at all') reveals that the royal family is of german origin currently :)
<lupine>
they are indeed
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<workmad3>
lupine: besides... why would we want to throw the royals up against the wall? I'd much rather get clegg and cameron there :P
<workmad3>
lupine: the royals are just amusing
<lupine>
if only
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<chiel>
any of you ever made a cap script for unicorn?
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<chiel>
i've not really looked into it much yet, but was looking to use unicorn in production
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<JonnieCache>
the royals are just ornament
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<JonnieCache>
they can be exiled when the revoltion comes :)
<JonnieCache>
there are others who have higher wall-priority
<f0ster>
What is the difference between ruby-debug and debugger ?
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<JonnieCache>
ruby-debug is old and broken
<JonnieCache>
debugger is new, working, and nicely designed
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<JonnieCache>
debugger is based on nice new apis which are only in 1.9
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<JonnieCache>
its about 100x faster
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<JonnieCache>
(i made that number up)
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<f0ster>
hmm, how can I Be sure which I am using. I am actually using rails, but I did something like 'rails console --debugger'
<f0ster>
but in the mist of following bad guidance from blogs yesterday i installed both debugger and ruby-debug-19-base
* lupine
makes a note to avoid trying to polish turds in the future
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<fuzai>
http://pastie.org/5655828 When I use this piece of code when the sleep function is executed the main loop blocks. Is there a way to sleep without blocking the main loop?
<lupine>
I've got a bunch of WSAPI-based models, and a bunch of Qt TreeView models, and a giant contractor-made turd right in the middle of the two for propagating changes in one to t'other
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<lupine>
This ends. Here.
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<f0ster>
JonnieCache: isnt there some way I can set a breakpoint in my code from irb/(rails console) without editting my code ?
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<JonnieCache>
f0ster:
<JonnieCache>
f0ster: yeah
<f0ster>
I cant find any documentation :/
<JonnieCache>
i think when you use rails console --debugger it tries to load ruby-debug
<JonnieCache>
i suggest you install pry-rails and pry-debugger into your project
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<JonnieCache>
and do it all though the pry console. that can do everything youre asking
<f0ster>
I thought rails would be easy to use but whenever I encounter a simple task its always 'install yet another gem'
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<lupine>
it's generally faster than writing it yourself
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<JonnieCache>
the alternative to installing another gem is for all this stuff to be built into rails
<JonnieCache>
and god knows it doesnt need anything else built in
<f0ster>
just seems like a pretty basic requirement, debugging
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<f0ster>
shouldnt have to install a 4th and 5th party gem to achieve it
<lupine>
maybe if rails were an IDE, you'd have a point
<lupine>
but it's a web framework, not an IDE
<f0ster>
true, but ruby has debugging built in
<JonnieCache>
not really
<lupine>
if that were true you wouldn't be installing extra gems, now
<workmad3>
f0ster: the rails server in dev mode exposes a debugging port to connect a debugger to, I believe
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<f0ster>
sorry perhaps I was mislead
<lupine>
various rails IDEs come with magic debugger integration
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<workmad3>
f0ster: but rails isn't going to provide the actual debugger to connect to that for you
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<f0ster>
so apparently ruby-debug and debugger are useless with rails console/irb, and I should get pry and pry debug
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<workmad3>
f0ster: and many people don't like to set up debuggers through remote debugging ports (which tends to be what IDEs do for you), and so you have tools like ruby-debug and pry-debugger to allow different methods of debugging through console or terminals
<f0ster>
I guess I'm jsut nervous about installing dependency's left and right for problems in the future
<xeviox>
what is the preferred way for attr_accessors ? put all into a single line or one line per attribute?
<clooth>
Just wanted to come and say how I've missed you. (ruby)
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<f0ster>
workmad3: do you use an ide ?
<apeiros_>
xeviox: if you can tell me how you document them on a single line…
<workmad3>
f0ster: no
<xeviox>
apeiros_: ok ^^ thanks
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<JonnieCache>
f0ster: the rails world loves lots of crazy dependencies, youd better get used to it ;)
<workmad3>
f0ster: I use vim, and tend to do debugging through watching test failures and isolating (when required) with printlines and exception traces rather than a breakpoint debugger
<JonnieCache>
thats one of its biggest problems
<xeviox>
apeiros_: ruby code is so expressive, it mostly doesn't need some documentation :P
<f0ster>
JonnieCache: before I Really knew rails at all (2 years ago) I had to migrate a 4 year old rails app at work and it was like DLL hell
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<f0ster>
granted that was before rvm et. all but
<workmad3>
JonnieCache: I have no idea what you mean...
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<workmad3>
JonnieCache: this rails app I'm working on atm only has 168 gem dependencies...
<f0ster>
JonnieCache: I Guess I should do better test driven development
<JonnieCache>
f0ster: now we have bundler which basically solves that problem
<JonnieCache>
youre right it was a bit like DLL hell back then
<JonnieCache>
but now its actually very good
* workmad3
recalls the rack 1.1 craziness
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<f0ster>
so bundler will export all the dependencies so you dont run into the same problem, you just need the same version of rails and ruby on the other machine ?
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* workmad3
shudders
<workmad3>
f0ster: you don't even need the same version of rails, the rails gem is also managed by bundler :)
<f0ster>
however it happened, I was running down specific versions of mysql header files to get the right versions of the gems for AR to compile
<JonnieCache>
f0ster: only the same version of ruby
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<f0ster>
ah
<workmad3>
f0ster: you basically just need ruby (same version and patchlevel is generally advised), rubygems (preferably latest) and bundler installed
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* f0ster
nods
<JonnieCache>
it locks all the dependencies, resolves conflicts, optimises version numbers within limits and so on
<workmad3>
f0ster: and then bundle install - voila, all the same versions of the gems are installed :)
<f0ster>
well if I'm committing to ruby anyways I might as well try pry
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<f0ster>
how does bundle relate to the Gemfile
<lupine>
well, development and production environments are very different
<JonnieCache>
the gemfile is the main thing bundler deals with
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<workmad3>
bundler is the thing that reads the Gemfile, works out a dependency graph to provision your app with and records that in Gemfile.lock
<lupine>
all my ruby applications - and dependencies - are in .deb packages on production
<lupine>
but I use gems and rvm in development
<f0ster>
ahh
<JonnieCache>
f0ster: pry is great i recommended it to you not because its essential for debugging but just because its very very useful in general
<workmad3>
it'll then set up the environment so that those gems are the only ones available during the ruby process
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<f0ster>
great, thanks for all the input :)
<f0ster>
I try to avoid rails related questions here but its always a wash which channel will be more responsive
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<workmad3>
f0ster: one of the nice things about bundler is that it really is more of a provisioner... if you need to override a gem with a different implementation (e.g. a fork of a specific gem version with a patch in it) then you can tell bundler where to get the gem from (github repo, filesystem path or a different gem repo) and bundler will use that
<f0ster>
ahh
<f0ster>
I have to read up on the tools I have, just many pieces in motion
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<f0ster>
I'm already using rvm too so hopefully i wont inadvertantely mess something up lol
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<workmad3>
it's generally pretty easy to reset if something does mess up, especially with gemfiles
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<JonnieCache>
f0ster: yeah there are a lot of moving parts i can sympathise with that
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<workmad3>
mess up a gemfile and accidentally updated to versions that break? easy, just revert your Gemfile.lock in the source control and it's undone
<JonnieCache>
thats modern web development in general though
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<workmad3>
as opposed to the pre-bundler version of working out which gems just updated manually and gem uninstalling them until you get back to a working solution...
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<workmad3>
and yeah, the rails stack has, over the years I've been using it, definitely fractured into more pieces that you need to get a handle on... I could probably argue that each piece is simpler to master, but there's definitely more of them :)
<workmad3>
and it might be simpler to master the dozen or so parts of the environment, but it's still more to get a handle on when first learning than rails 2.3 was
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<JonnieCache>
a lot depends how how much you already know from other languages
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<JonnieCache>
it must be insanely indimitading for true newbies to development to come into rails now
<Xeago>
yup
<Xeago>
even for me
<Xeago>
rails is scary
<JonnieCache>
having to learn rvm, git, bundler and so on, THEN learn rails itself
<f0ster>
so what should I know about gemsets in relation to gemfiles and bundler ?
<Xeago>
rvm, I'd say that is not an issue for rails?
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<Xeago>
if you are lucky you have a recent version of ruby already
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<workmad3>
f0ster: you can pretty much safely ignore gemsets when using bundler
<f0ster>
workmad3: well I have rvm, so curious what I need to know if anything
<workmad3>
f0ster: they were a workaround at the time that rvm was released (which was before bundler was really hitting big time) to roughly the same problem
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<f0ster>
ahh
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<workmad3>
f0ster: in essence, a gemset is simply a distinct gem repository, so you could have a gemset with all the gems for a project in it
<f0ster>
but rvm also does ruby versioning.. a
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<f0ster>
Ahh
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<workmad3>
f0ster: and switch between gemsets to activate different projects, without having gem activation conflicts or weird breakages because a gem's dependency didn't specify an exact version
<f0ster>
okay
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* f0ster
tinkers with pry
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<Eiam>
JonnieCache: ha, yes its pretty wild
<Eiam>
I had to jump into working on a rails app with knowing 0 ruby, rvm, bundler, gems etc
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<Eiam>
i still barely know them, but I know enough to do usually what I need to do. i hate whenever I run into problems with bundler, gemfiles or rvm which are by far the largest dev timesinks I have
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<JonnieCache>
you learn so much so fast though. im so glad i taught myself all this stuff in uni. they didnt teach me any of that stuff in the courses haha
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<Eiam>
I had some bug in passenger phusion + rvm that look me 2 days to figure out
<Eiam>
ended up just uninstalling RVM
<JonnieCache>
theres a whole generation of developers thats now addicted to DRY, TDD and best practices/workflow in general because of rails
<Eiam>
because I couldn't find a solution that would work with rv enabled
<JonnieCache>
and thats a very good thing i think
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<csmrfx>
Because of rails?
<csmrfx>
Kinda overstating it
<Eiam>
^
<Eiam>
its just general programming atmosphere right now from where I stand
<Eiam>
its popular
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<Eiam>
it'll fade and something else will replace it
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<csmrfx>
Majority of the ones using DRY and TDD would probably be using something that starts with "java"
<csmrfx>
makes rails look marginal
<csmrfx>
just part of the wave yanno
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<Eiam>
the wheel of time turns and programming languages & best practices come and pass, leaving memories that become legend. legend fades to myth and even myth is long forgotten when the age that gave it birth comes again
<banister`sleep>
Eiam: lol, you just watched the hobbit?
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<Eiam>
banister`sleep: certrainly not, is he stealing stuff from robert jordan?
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<banister`sleep>
Eiam: jsut the "legend turns into myth" thing
<Eiam>
cause the eye of the world came out in 1990 which is quite awhile before the hobbit movie was released
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<banister`sleep>
Eiam: haha, but the hobbit book came out ago ;)
<csmrfx>
but when did hobbit-the-book come out
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<Eiam>
banister`sleep: I'm not sure I want to say that because the hobbit movie did something that its present in the book
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<Eiam>
certainly tolkiens hier would vehenmently disagree with that sentiment =)
<Eiam>
heir
<Eiam>
vehemently
<csmrfx>
ok, typoists, start your spell checkers!
<Eiam>
dunno why my auto correct was barfing on me =(
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<Eiam>
so you said the movie, which I compared against. I have not read the hobbit book in a very very long time so I don't know if it also contains something similiar or not. It may well, given tolkiens general creation of the high fantasy genre
<Eiam>
despite authoring some of the most boring books I've ever read. anyway we are totall off track now =)
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<csmrfx>
Those books are not boring, it's just your attention span is so short
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<Eiam>
yeah I managed to read 8 wheel of time books totallying 8000 pages
<csmrfx>
I wonder what would _why program to this discussion
<Eiam>
but i've got a terrible attention span
<ged>
Does anyone have a feel for whether it's acceptable/desired to use -rpath for Ruby extensions to ensure it loads the same version of the library it's linking against at gem-install time?
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<Eiam>
csmrfx: tolkien was clearly interested in creating languages & cultures, entire worlds. much of that process and detail is incredibly boring information unless you happen to be into fake history and fake languages that basically no one speaks. none of those are interesting to me
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<csmrfx>
ged you mean '-r'?
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<karamorf>
what does $_ do in Ruby? is it just like Perl?
<ged>
csmrfx: Neither: writing an extconf.rb for a Ruby extension.
<Eiam>
csmrfx: have not painted myself anywhere. programming languages are indeed communicated. yes, they are invented and often people invent ones that are mostly worthless or simply prove some particular point, they languish in disuse and dissapear
<Eiam>
much like tolkiens languages
<eka>
afaik tolkien based itself in the sanskrit language that he liked so much
<csmrfx>
Eiam: just going by what you said, you said it, not me
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<Eiam>
csmrfx: you took the word spoken and translated it to audible, but spoken can just as easily mean communicated
<ged>
csmrfx: I want to ensure the shared library it links against at compile time is the same one it loads at runtime.
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<csmrfx>
s/said/wrote/
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<Eiam>
i'm not going to get into a word nit pick over it. tolkiens language only has value because he has such a culture around him. look at tons of other languages with more ostensible value (esperanto?) than 'elvish' and they languish
<csmrfx>
ged: I do not know how to ensure that
<csmrfx>
I think you are at the mercy of path
<csmrfx>
I know of --disable-rpath but that would be the opposite, I guess
<Eiam>
tolkien was not a good author, his stories were not engaging to the majority of his audience. he invented a genre and its a wonderful genre, and he had some great concepts. his books sucked.
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<karl____>
please take it to #tolkien
<Eiam>
anyway, done on that topic
<ged>
csmrfx: Well, -rpath adds directories to the dynamic linker's runtime search path, but I've never used it before.
<csmrfx>
Eiam: and Elvis was not popular, and lives in Helsinki
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<ged>
But so many people have trouble with multiple installed versions of this library, I was thinking -rpath could help.
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<jpfuentes2>
<csmrfx> Eiam: programming languages are "fake" and are not even meant to be spoken, are basically not spoken
<csmrfx>
ged: ever seen that "--with-libname-here" business?
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<Gate>
jpfuentes2: yeah, but that code largely doesn't work on close inspection.
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<jpfuentes2>
what do you doesn't *work* ?
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<ged>
csmrfx: Like --with-openssl-dir=/usr/lib ?
<Eiam>
jpfuentes2: as was pointed out, hes basically invented a sublanguage and stuffed it inside 'love'. thats a cool attribute of ruby and how we get so many DSL. I don't think that proves anything however.
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<jpfuentes2>
Eiam that is me, btw
<csmrfx>
ged: sometiems those also have lib version or some parameters, maybe thats what you want
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<Gate>
jpfuentes2: %w(i n c r e d i b l y).zip(*"wonderful") #=> NoMethodError: undefined method `each' for "wonderful":String
<Eiam>
jpfuentes2: well, cool article. I wouldn't go around speaking to anyone like that however. =)
<jpfuentes2>
what version of ruby are you using, gate ?
<ged>
csmrfx: Nah, that's for people *installing* the library. It doesn't affect the extension at runtime.
<Gate>
just saying, its awesome, but its taking literary licence with code.
<jpfuentes2>
works for me on 1.9.3
<f0ster>
I have an object created like, "#<WorkTeamAvailability id: 106, day_of_week: 0, work_team_id: 27, start_time: "2000-01-01 14:00:00"", I get an error when I try to do something like, this_object.start_time, saying it is an undefined method? the exception said the object was an ActiveRecord::Relation
<ged>
So people will do: --with-openssl-dir=/usr/local, which will let the gem install okay, but then if their linker doesn't look in /usr/local/lib when the extension is loaded, it can load one from /usr/lib, and that's the problem I'm trying to mitigate.
<Eiam>
jpfuentes2: does't work for me in 1.9.3-p0
<Eiam>
same error
<jpfuentes2>
why are you using p0 ? : )
<csmrfx>
Text is not "spoken" language
<csmrfx>
it is "written". FYI.
<Eiam>
jpfuentes2: I don't update without cause =p
<jpfuentes2>
pretty sure there are security issues w/ p0
<jpfuentes2>
that would be a good cause
<Gate>
jpfuentes2: doesn't work with p286 or p362 either
<Eiam>
csmrfx: : to make known in writing : state
<Eiam>
: to use or be able to use in speaking <speaks Spanish>
<Gate>
Now you could assume that he added methods to base classes, but what are we, barbarians?
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<karl____>
please take this to #pedantry
<Eiam>
err speaking always have to do with verbal
<Gate>
heh, I hadn't noticed the link to love.rb
<csmrfx>
Ok, speaking has nothing to do with text, written things are the same as "spoken", Tolkien was a shitty author, and... what else Eiam
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<csmrfx>
no, wait, "I dont care", actually
<Eiam>
csmrfx: I corrected that statement in the next line sheesh =P you do enjoy pedantry don't you
<Gate>
jpfuentes2: my fault, he *does* add methods to String and Array to make this work.
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<jpfuentes2>
yeah, it's definitely a working program
<jpfuentes2>
i'm surprised it doesn't work in the other high versions of 1.9.3 though
<jpfuentes2>
i'll check 'em out
<Gate>
jpfuentes2: I was just trying that small snipped sans his monkey-patching. I didn't realize he was injecting methods on to string. I have no doubt it will work with the monkeypatches.
<jpfuentes2>
btw, gate, that "he" is me
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<csmrfx>
like We::Wish.we_could { ... } would work without a module etc
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<jpfuentes2>
right, there's a lot of different ways to make the program work
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<jpfuentes2>
some of my choices were made as a way to display the intricacies of the language
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<jpfuentes2>
because my intention was to use it as a learning exercise with my daughter one day when she has enough ruby under her belt too understand the esoteric bits of the language
<Gate>
jpfuentes2: Ah, well then. My apologies. It is an awesome poem BTW.
<csmrfx>
Whats always_be: ?
<jpfuentes2>
thanks
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<jpfuentes2>
always_be: is the ruby 1.9.3 hash syntax
<Gate>
jpfuentes2: I just saw the string/array zip and tried it out on its own and hadn't looked to see your monkeypatch which makes it work fine.
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<csmrfx>
oh, right
<jpfuentes2>
instead of :my_symbol => value, you can use my_symbol: value
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<jpfuentes2>
agh, right, gate
<csmrfx>
why not:
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<jpfuentes2>
yeah you can git clone the repo and `ruby letter.rb`
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<jpfuentes2>
that should work as it requires the love.rb support file : )
<csmrfx>
hm, nm
<Hanmac>
Gate jpfuentes2 String does loose the each method .. so you need to specifiy what you want to iterate ... so its each_char.zip( ... )
<csmrfx>
I am way too tired to write code
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<jpfuentes2>
%w(i n c) => array
<csmrfx>
I think I will go work on the *non-spoken* and -written language
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<jpfuentes2>
not a string
<Gate>
Which would detract from the point of the poem by injecting poorly contexted words
<Hanmac>
oh
<jpfuentes2>
so i you don't need an each/each_char .. you just need Array#zip
<Hanmac>
jpfuentes its about the "wonderful"
<jpfuentes2>
but i had to modify String#each => self.chars so that i could splat the wonderful string like so *"wonderful!"
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<jpfuentes2>
String#chars gives an array of each character, which allows that to be passed to zip appropriately
<csmrfx>
btw why "wincredibly zip wonderful"?
<csmrfx>
;)
<f0ster>
having trouble accessing an attribute on my model, seems really straight forward if anyone can help: https://gist.github.com/4495480
<jpfuentes2>
%w() is a convenient way to make an array without all the quoting
<jpfuentes2>
it also put emphasis on "incredible"
<jpfuentes2>
by putting spacing b/t each letter
<csmrfx>
I mean, why not ditch the non-english when it was done elsewhere
<jpfuentes2>
i n c r e d i b l e VS incredible => stands out more
<Hanmac>
f0ster : #rubyonrails
<csmrfx>
wincredible zip wonderful is what it reads now
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<arabi>
I am a newbie ... I have some doubts regarding modules .....
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<arabi>
1. Why puts classes inside module .. as I know module is for method sharing
<arabi>
2. Why wanna put modules inside class
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<Hanmac>
arabi 1&2 its like namespaces in C++
<arabi>
please help
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<arabi>
I don't know C++ :(
<whitequark>
banister`sleep: oh I thought it was #jruby
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<banister`sleep>
haha
<arabi>
Hanmac, can you give me some resource covering the topics with good examples
<banister`sleep>
whitequark: meaning you dont actually want to be on #ruby or you just typed into the wrong window?
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<whitequark>
banister`sleep: wrong window
<whitequark>
I've nothing against #ruby
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<arabi>
whether I wanna learn namespace of C++ prior to learnig ruby ???
<Hanmac>
arabi: like then you have two gems, "a" and "b", when both define Color classes you cant put them in a toplevel space because the methods would overwrite eachother ... thats why you define the classes as A::Color and B::Color
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<arabi>
Hanmac, give me some time to think about your reply thanks :)
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<arabi>
Hanmac, thanks ... i got something from you lemme read PickAxe again and come back later .. have a nice time
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<Eiam>
Hanmac: I have a bunch of classes that belong to a top level project, putting them in a module keeps it organized. The module has 4 classes in it that are all related to the module topic, but do different things
<Eiam>
Hanmac: wrong person =)
<Eiam>
^ arabi
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<Eiam>
oh he left
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<Hanmac>
i need an Nokogiri user, is someone there?
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<danneu>
Hanmac: depends on the question
<Hanmac>
danneu try to read from an XML file while $DEBUG is true
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<Hanmac>
danneu did something happen?
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<ericwood>
so what's the nokogiri question?
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<Spooner>
Dann1, You've made us all look at swears! I'm telling on you!
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<ThaDick>
Trying to google this to no avail, was wondering if there is a tool/script that will convert all files in a ruby app to pdf? I know this is a horrible scenario, but the boss gets what the boss wants.
<ThaDick>
Sorry convert should be parse to pdf
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<whit537>
Neither of the recommended install options give me the -e feature, afaict.
<Dann1>
is it a gem?
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<whit537>
Yes, but ...
<Dann1>
Oh
<whit537>
`gem install foreman` gives me 0.60.2, which doesn't have -e afaict.
<ThaDick>
Yeah, I know there are plenty of pdf gems, but I was looking for something more specific … Something that would automate the process of identifying all files within the the application, then converting them to pdf … I guess I can just roll my own
<whit537>
Spooner: It is an option to the start subcommand, not foreman itself.
<Spooner>
I moved to sublime recently, I must admit, mainly because I'm using Linux more and don't want a pure Windows thingie.
<whit537>
$ foreman start -e foo.env
<whit537>
Like that.
<Spooner>
whit537, Aaaaah. Fair enough.
<whit537>
Okay, thanks for the help. :)
<karl____>
i'm doing nokogiri SAX parsing...can someone "read" out what this is doing: @state[:os] ||= {}
<Spooner>
karl____, @state[:os] = {} if @state[:os].nil? (could be clearer, perhaps)
<Dann1>
I'll be out for a bit now. Thanks for the minor help ^^
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<Spooner>
Sorry, I remember having exactly the same problem in Notepad++ actually.
<Spooner>
Don't remember if I resolved it :D
<xeviox>
I have this code: http://pastebin.com/CmmAdwtY but when I run it with "./myapp -a /path/to/a/file" I always get "Missing parameter: One or more packages". Any idea what I'm doing wrong?
<timonv>
karl____: @state[:os] || state[:os] = {}
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<timonv>
It's slightly different ;-)
<karl____>
Spooner; timonv THANK YOU!
<timonv>
xeviox: is there a shebang there?
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<Spooner>
timonv, Not really. It would be written that way with: @state[:os] = state[:os] || {}
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<fuzai>
Is there any kind of module for ruby that i could give a function a zip code and it will return a weather summary for the zip code in a string?
<timonv>
which is different spooner
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<timonv>
Yours reassigns ;-)
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<timonv>
xeviox: Also missing a require
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<Spooner>
Oh yeah, I wasn't reading yours right. It is just horrid though and not consistent with the other op= (it works for ||, but not anything else).
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<xeviox>
timonv: yes both, I just posted relevant part of the code ..
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<xeviox>
timonv: it must have something to do with the OptionParser
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<shevy>
"You never understand a problem as good as in the moment you solve it."
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<fuzai>
if message.content =~ /command['trigger']/ Whats the correct way to put a variable between the //?
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<apeiros_>
fuzai: #{}
<fuzai>
oh ok
<ryannielson>
Anyone have any recommendations for a markdown to html parser? Preferrably written in pure ruby and supporting some of the Github markdown features.
<apeiros_>
ryannielson: maruku, not sure about pure ruby
<shevy>
is funny though because "Multiple ways of doing the same thing only leads to confusion. It has no benefit."... if all you have a hammer, everything will look like a nail
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<ericwood>
I've used it before, it's teh awesomesauce
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<ryannielson>
Ya, ideally looking for something without any dependencies on c libraries to ease installation and stuff. But if it's that good I may be able to budge.
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<ericwood>
you'll be fine
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<ryannielson>
ericwood: Alrighty, I'll give it a shot. Thanks for the suggestions everyone.
<graft>
it's simple and light, but it doesn't seem to be very fast... the rails 'pluck' command is much faster
<shevy>
Dann1, this resides in a file?
<Dann1>
The semi-retarded DOS programmind language
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<Dann1>
Google it for god's sake :)
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<graft>
you want to run dos commands in irb?
<Dann1>
Yes, like color and title.
<Dann1>
Mostly only those two.
<banister`sleep>
donyou can run 'dos' commands in pry by prepending a '.' to your command
<banister`sleep>
Dann1: i.e .dir
<havenn>
Dann1: Use Pry and prefix your batch with a dot, or can't you just shell out with backticks like?: `dir`
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<havenn>
Do system(), ``, exec and friends work with Windows? I've never tried?
<havenn>
Dann1: What banister said though, cause Pry is awesome!
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<Dann1>
Ah
<Dann1>
Pry it'll be :D
<Dann1>
Oh mai glob
<Dann1>
I can automate missing gem installs with this thing
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<Dann1>
8D
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<Dann1>
Also got win32console to get colours showing up
<Dann1>
Pretty pretty DOS
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<grzywacz>
Dann1, automate missing gem installs? sounds like you're going to backup a nice portion of the interwebs soon ;)
<Eiam>
I have some performance problems with a ruby script I'm working on. Is there a good resource i can use to dig into whats causing my performance issues ?
<grzywacz>
swarley, that's a fundamental optimization
<apeiros_>
they only guarantee no false positives, but don't guarantee no false negatives.
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<swarley>
File.atime(file)
<cina>
Hi, the documentation says Time.wday returns 0..6 for weekdays. Is there any convinient constant/variable for accessing these numbers by name?
<grzywacz>
Anyhow, it should be smarter/dumber than it is at this level.
<grzywacz>
*shouldn't
<grzywacz>
duh
<Eiam>
okay so, lets take this case then. Clearly I'm reloading a file wAY more often that I need to be. Is there a set of performance tools that would have highlighted this particular stupid mistake?
<swarley>
No
<apeiros_>
Eiam: ruby-prof
<grzywacz>
swarley, it's normal to mount filesystems with noatime, even local ones.
<Eiam>
apeiros_: I've got that open right now
<swarley>
That seems like an invitation to break things
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<swarley>
what about ctime?
<apeiros_>
swarley: even if, point is that atime is not guaranteed
<apeiros_>
so any generic caching system using it is brittle
<swarley>
≪ swarley ≫ what about ctime?
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<Hanmac>
swarley ctime is the creation time, atime is the access time
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<swarley>
oh, I thought ctime was the actual change time
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<Dann1>
Woah
<Dann1>
I actually thought you all meant 'crime'
<Dann1>
Had me sitting here like 'what the hell is this'
<Eiam>
okay code modified. once it fails again ill start it up & see how it does with the changes, then ruby-prof & see what else it shows if its still slow
<Hanmac>
Dann1 yeah it its two :P
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<Dann1>
:3
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<Dann1>
Yessss
<Dann1>
Bottesque
<Dann1>
She worksss
<Dann1>
Wait
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<Dann1>
Why won't she connect to the extra channel
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<fuzai>
http://rubyweather.rubyforge.org/ from the howto, the function require_gem isn't defined so says ruby. Could anyone explaint o me what i have to do to make this work?
<Muz>
fuzai: that example looks like it's from 2006. require_gem isn't needed anymore with recent versions of Ruby or Rubygems. You should be able to just 'require "gemnamehere"' in 1.9.X
<Muz>
I wouldn't be surprised if that library is broken in otherways though given the age.
<fuzai>
ok i'll just use the yahoo api instead
<fuzai>
it looks newer
<apeiros_>
require_gem is very old
<apeiros_>
it has been removed back in 1.8.x, I think 1.8.4 or something
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<apeiros_>
people used it wrongly… it was basically `gem *; require *` in one method
<apeiros_>
and since you shouldn't have to use the `gem *` method…
* Muz
recalls what's waiting for him at work tomorrow. That bastard 6 year old Rails app.
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<Eiam>
Muz: could be worse, could be some bastardized sproutcore + rails app mixed with jquery
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<Muz>
I don't think you full appreciate how overengineered and needlessly Enterprise this rails app is.
<Muz>
*fully
<Eiam>
I dunno, I work in "Enterprise"
<Eiam>
although I wish my rails app were overengineered =)
<Eiam>
it suffers from an extreme lack of…. engineering =)
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<shevy>
Muz!
<shevy>
you always do proper sentences on IRC
<Eiam>
but it sure can solve problems ha ha
<shevy>
you are my hero :)
<Muz>
shevy: are you doing FOSDEM this year?
<shevy>
I only do beer sessions
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<Eiam>
shevy: well, generally its poor form to end a sentence in the word "is" so… there is that ;P
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<shevy>
I mean the '.' Eiam
<shevy>
:)
<Eiam>
oh, psh
<shevy>
Eiam you now on the other hand are a born IRC person... you hate the .
<Eiam>
shevy: well I've been on IRC since the early 90s so… yeah
<llaskin1>
has the functionality of "next" changed in 1.9.3 from 1.8.7
<aedorn>
I have a sudden urge to make a "who has the best grammar on IRC" app.
<shevy>
to idle to power makes people lazy
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<shevy>
yay aedorn
<Eiam>
aedorn: how would you handle oxford commas, and other sometimes argued or accepted in some circles not accepted in otherisms of english?
<shevy>
Eiam yeah, almost the same here, though more like the late 90s for me, with mIRC, I just find it interesting that some people use .
<fuzai>
Wow 4 weather modules and none of them work :(
<shevy>
never knew something like that even exists... I dont think anything like that exists in german
<shevy>
fuzai fate of natural code decay :)
<Eiam>
shevy: this is why the idea of someone writing an app to parse English (assumed, given its what we 'speak' here) amused me, given its many many rules, several of which are heavily argued both ways =)
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<shevy>
yeah Eiam
<shevy>
I hate that colour does not work in CSS, only color does :(
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<canton7>
yeah, all programming spellings are american
<canton7>
urgh, but simplifies things
<shevy>
a lot, yeah
<shevy>
music notes have different words in the USA, as opposed to the UK
<shevy>
and the US version is much, much simpler and more logical
<canton7>
I'm always torn as to whether to give my function names english or american spellings :P
<canton7>
US note name are also much longer!
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<aedorn>
Eiam: Vote scale.
<shevy>
I was taught british english so I still use that, but for consistency I would prefer if everyone would stick to the same
<Mon_Ouie>
Also if you're writing an application that deals with french fries and chips… It's going to be pita :D
<canton7>
(especially with things like initialize/initialise)
<shevy>
la baguette
<shevy>
yeah canton7
<shevy>
damn
<shevy>
I thought initialize is the UK variant :<
<canton7>
nup
<canton7>
interestingly, aluminum is the original, and aluminium is the bastardisation though :P
<shevy>
hmm odd... in german, it is "aluminium"
<shevy>
this is sometimes the problem with US english
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<shevy>
it seems so simplified that it can become incorrect
<banister`sleep>
canton7: where did u learn that? (re aluminium)
<banister`sleep>
canton7: got a link?
<canton7>
banister`sleep, can't remember I'm afraid. The name was changed to aluminium to sound more in line with the other elements, iirc
<shevy>
sorry I was wrong
<shevy>
1808, Sir Humphry Davy, called it "Aluminum", so it seems this one ought to be the correct variant
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<fuzai>
Could someone point me in the right direction, i'm trying to scrape data from a website that has the data I want hiding in a <p class=""> tag that has a unique class name
<canton7>
ah, one article claims he started with aluminium, then went to aluminum, then back
<canton7>
fuzai, nokogiri
<banister`sleep>
canton7: Sir Humphry made a bit of a mess of naming this new element, at first spelling it alumium (this was in 1807) then changing it to aluminum, and finally settling on aluminium in 1812
<aedorn>
All words are a bastardization, though. There's no longer who is right or wrong, but what is accepted and not.
<havenn>
fuzai: +1 nokogiri
<canton7>
banister`sleep, that's the one
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<banister`sleep>
canton7: alumium != aluminum ;)
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<canton7>
yeah, I misread oops
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<shevy>
canton7 I've become a sucker for simplicity, less ambiguity, clear terms...
<canton7>
aedorn, bastardisation was too strong a word
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<aedorn>
canton7: I don't think. It's been used to describe American English for a century already. I think we're okay with it!
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<canton7>
this one's from new scientist: languages primarily spoken as a second language tend to be simpler, as adults prefer stricter grammar rules and more logical languages. however, languages which are primarily spoken as a first language, and so are learnt in childhood, tend to have more obscure rules and irregularities, as it reduces ambiguity, which is what children prefer
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<heftig>
hm. ambiguity? what about constructed languages like lojban?
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<shevy>
naaah
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<canton7>
in the same vein, language from warmer counties, whose speakers would tend to use it outside, tend to be less efficient, but have more redundancy, giving better noise immunity. languages from colder places, whose speakers would use the language more indoors, tend to be more efficient
<shevy>
dead languages must not count!
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<shevy>
ruby is almost like simplified english, where you can communicate with a computer
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<Dann1>
> Python
<shevy>
canton7, the part -> "as it reduces ambiguity, which is what children prefer" actually, I prefer less ambiguity too. but I also like being able to use different words (if they have a unique meaning)... the english languages has many more words than german, sometimes expressions "fit" much better when one can talk/think in english rather than in german
<shevy>
Dann1 but you must indent in python
<shevy>
it is more of a grammar nazi than ruby
<Dann1>
u.u
<swarley>
I'd argue that python is less readable than ruby
<shevy>
it is like shouting "Yes Sir!" properly in python
<swarley>
I like python and all
<Dann1>
I have such a strong urge to go watch monty python
<shevy>
swarley could be. except for "end". I don't think "end" gives a really needed readable advantage at all, in properly formatted, short code
<swarley>
but, it's not as close to natural language as ruby
<swarley>
shevy; it's needed unless ruby was to enforce indenture
<Eiam>
apeiros_: indeed the read in was causing as expected massive slow down. thanks for the confirmation/clarification
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<Dann1>
Good night everyone.
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<Dann1>
__all__.bid_farewell
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<Eiam>
swarley: I would disagree with that =) haha
<aedorn>
Bounding elements always make text easier to read in the long run. So having 'end' is a benefit until you have multiples of it in a cluster.
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<shevy>
oh god
<shevy>
I hate __foo__ naming schemes
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<artOfWar>
I have a hash like {"object_id"=>"10151327573129919"}
<shevy>
though I like to use _ as variable name
<canton7>
oh, an actual question!
<shevy>
YAY
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<shevy>
will it continue!
<artOfWar>
now when I try to access object_id I'm getting the actual object_id
<Eiam>
everyone quiet, lets see who can answer first..
<artOfWar>
....
<shevy>
Eiam lol
<canton7>
artOfWar, myHash['object_id']
<shevy>
ok, he is getting to it slowly
<canton7>
not myHash.object_id
<artOfWar>
thanks canton7
<shevy>
!!!
<artOfWar>
thanks @canton7
<shevy>
it was that simple!
<canton7>
I win :)
<shevy>
I thought he wanted to obtain some object from ObjectSpace
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<aedorn>
I give that a 2 on the entertainment scale. I shall now go fold socks.
<shevy>
objects with id 5, 163, 64977 - please step forward. object mating session will start in ten minutes
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<Hanmac>
shevy what are you planing to do with this fixnums?
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<shevy>
Hanmac hmm no I'd like to fetch those objects... or perhaps have them always available, and restore them ... in a gameserver with many different objects
<shevy>
ObjectSpace._id2ref
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<shevy>
ewww... has a _ as part of its name...
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<Hanmac>
yeah i know, i checked them
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<shevy>
Hanmac is it possible to store all objects from a project, to disc, then load them up on game-startup again (in ruby)?
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<shevy>
*disk
<Hanmac>
Marshal?
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<shevy>
hmm
<shevy>
will try
<Hanmac>
hm no the rank is not high enough .. i think you need a Colonel :D
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<Hanmac>
shevy: information: there are objects that cant be marshalled ... you should keep that in mind
<shevy>
:<
<Eiam>
=0 I've been using marshal and appreciate its simplicity
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<Eiam>
but I need to do streaming now (appending to the file repeatedly) and yeah, marshal...
<Eiam>
no workie for that
<Hanmac>
all instances of IO,Binding,Proc, Hash with default_proc, and each normal object with has singleton methods
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<Hanmac>
objects wich can be dumped while having singleton methods: true, false, nil, and each instance of Module or Class (but the singleton methods are not stored)
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<pskosinski>
Well… looks like is part of openssl too, for me works…
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<Hanmac>
shevy is that a problem?
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<shevy>
hmmm I am not sure yet
<shevy>
one thing on my todo list is to build a MUD from scratch
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<shevy>
I started 5 years ago, then gave up after writing like 500 files, so much work...
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<swarley>
MUD?
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<fuzai>
Could someone explain to me how to scape a div from an html file with a specific class name? I'm trying the examples here: http://ruby.bastardsbook.com/chapters/html-parsing/ but i'm not getting it
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<ryanf>
fuzai: did you try page.css(".class-name") ?
<fuzai>
yea but the classname has a space in it
<fuzai>
i'll try it again
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<Xeago>
fuzai: a classname cannot have a space in it, it is a delimiter
<fuzai>
oh ok
<Xeago>
assuming it is html, right?
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<fuzai>
yea
<fuzai>
i think i got it
<fuzai>
but i have a ton of extra white space
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<fuzai>
how would i use gsub to remove whitespaces longer then 2 characters?
<fuzai>
i tried " asd ".gsub(/\w\w\w/, "") but no luck
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<apeiros_>
fuzai: \w is not whitespace, \s is
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<apeiros_>
and \s{2,} is 2 or more
<fuzai>
yea i just read that :)
<fuzai>
ah ok i was going to try \s\s
<fuzai>
\s\s+
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<apeiros_>
that'd be equivalent
<fuzai>
Cool
<fuzai>
:)
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<Xeago>
actually \s{2,} compiles more efficiently in most implementations
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<apeiros_>
hu? why's that? I'd expect both compile to the same
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<apeiros_>
(of course, that's a naive expectation)
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<Xeago>
\s\s+ turns into atleast 2 checks, while \s{2,
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<Xeago>
turns into 1 check that eats consecutive characters
<Xeago>
it doesn't remember/count/think about length
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<apeiros_>
hm
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<MrTroll>
sup peeps
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<MrTroll>
what is ruby
* MrTroll
is getting impatient
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<fuzai>
Ruby is a gem
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<speakingcode>
is there a method (probably owuld be part of enumerable i'm guessing) that takes two enumberables, a and b, and returns an enumerable that has all the elements which are in A but not in B..
<apeiros_>
Array#-
<apeiros_>
beware, set operation, means it will uniq the array
<speakingcode>
err, is that a minus sign?
<apeiros_>
yes
<speakingcode>
k. that's fine. working on sets here so no dups anyway
<speakingcode>
thankee
<apeiros_>
Array#- is read "instance method `-` of class Array"
<apeiros_>
# = instance method
<apeiros_>
:: = class method
<speakingcode>
k
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<apeiros_>
(e.g. Time::now vs. Time#strftime)
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<speakingcode>
can i wrtie that as... array1 - arrayb
<apeiros_>
yes
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<speakingcode>
just out of curiosity, is there a version of that which doesn't uniq?
<aedorn>
So I have to log procedures - as in, when a route is added we have to send a log message, or when it gets removed - another log message. Currently we just keep log messages within the methods. I'm thinking of using delegation to call the methods, and write the log lines by matching the method to a corresponding file with some text substitution. Is there a better means to do this than my plan?
<apeiros_>
slash_nick: why do you insist on the wrong tool?
<apeiros_>
until time_is_out …end
<apeiros_>
oh, you're a crossposter. nvm.
<slash_nick>
i'm confused already...k
<aedorn>
doesn't loop do; end until .... work? Or was that begin; end until ...
<havenn>
slash_nick: Put your loop inside a Timeout: Timeout.timeout(time_in_seconds_here) do; loop do end end
<havenn>
I guess that is a bad use of exceptions.
<apeiros_>
Timeout.timeout considered harmful
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<havenn>
apeiros_: kk, yeah thought that seemed bad >.>
<slash_nick>
I read that... it's just being used in a test scenario
<slash_nick>
capybara is being an a-hole
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<JohnTeddy>
Is there a way to specify what index places in an array I want. So if I have an array = [1, 2, 3]; how can I just print 0 and 2, without doing array[0] + array[2]?
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<JohnTeddy>
Can I put it all in the same argument, so array[0,2] or something?
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<apeiros_>
JohnTeddy: Array#values_at
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<aedorn>
array[x,y] does work also, at least in 1.9.
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<apeiros_>
aedorn: no
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<aedorn>
apeiros_: no?
<apeiros_>
Array#[] only works for slices, but he wants discrete indices.
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<apeiros_>
Array#[] with 2 args is offset, length. the docs are pretty clear on that IMO.