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• What's the __repr__ equivalence in ruby?

  - by prosseek

  The repr function is fancy as it is called when print OBJECT is used automatically? Is there a ruby equivalence for it? I thought it was to_s, but, I had p OBJECT doesn't seem to call the to_s method.

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• Good books on Ruby based DSL

  - by nijikunai

  I'm trying to create a DSL in ruby, can you suggest me some good books? I looked around amazon and safari but so far couldn't find any. Thanks in advance!

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• convert Ruby to C languge

  - by alaamh

  I have seen this sample written in Ruby code, how i can simulate it in C language? Open3.popen3(command) do |stdin, stdout, stderr| @stop_stdin = stdin while !stdout.eof do output = stdout.read(1024 * 100) list_pipes.each do |out| out.print output end end end

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• Ruby: execute a binary file in memory?

  - by John

  Is it possible to read binary in ruby file and execute it directly in memory? for example something like this: x = IO.read('/bin/ls') execute(x) I tried system(x) but it doesn't work ArgumentError: string contains null byte

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• Restrictons of Python compared to Ruby: lambda's

  - by Shyam

  Hi, I was going over some pages from WikiVS, that I quote from: because lambdas in Python are restricted to expressions and cannot contain statements I would like to know what would be a good example (or more) where this restriction would be, preferably compared to the Ruby language. Thank you for your answers, comments and feedback!

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• Ruby library not found (no such file to load)

  - by Jeremy Gillick

  I manually placed a library in the library directory (/usr/local/lib/ruby/site_ruby/1.8) and when I try to require it, it says "no such file to load". I used "$:.first" to get the library path, so why wont it work? Is there any good way to debug this? Thanks

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• how to implement gmail client with ruby-on-rails

  - by poseid

  Hello, how would I develop an Email client in Ruby-on-rails taking Gmail as an example? I would be especially interested in the send email functions Thanks for any pointers

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• Ruby on rails list to columns

  - by Ignas Rytoj

  How to create ruby on rails list(index page) like this: 1 | 2 | 3 4 | 5 | 6 7 | 8 | 9 10| 11| and so on.

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• Tools for development SOAP-service on Ruby 1.9

  - by aaz

  Which set of libraries and tools would you recommend to use for development SOAP-service on Ruby 1.9 - soap-tools, web-servers, or maybe a web-framework?

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• Writing a file shredder in python or ruby?

  - by pmilb21

  In the effort to learn python and/or ruby, I was wondering how a file shredder would be implemented? I would like it to take in a file as an argument and then employ an algorithm to make that file unrecoverable. Would possibly add the support for multiple files or even whole directories later.

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• Anything like bpython for Ruby?

  - by macek

  IRb is pretty plain compared to bpython, even when using wirble. Is there any ruby equivalent of bpython?

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• Handling of 'or' condidions in Ruby vs PHP

  - by Adam

  I'm not sure what to call this, so I'll give an example. In PHP 1==2 || 2 returns 1 or true In Ruby 1==2 || 2 returns 2 (The second statement if the first evaluates to false). Is there any short way to implement similar thing in PHP?

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• Ruby on rails multiple apps hosting (name server)- configuration question

  - by Sanjay

  I am looking to host multiple ruby on rails apps and want to use lighttpd or nginx.How do I do multiple name server configuration. ? I know how to do it in apache through webmin control panel.But trying to move away from apache here

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• Automatically download files in Ruby

  - by Obinna

  I'm trying to write a ruby script which automatically downloads some files from some server ever 30-45 minutes (to prevent overload) as long as my computer is turned on. It's possible that my computer might be turned off at some point, but the download should resume (probably re-download the current file). I already have the file list but I can't figure out how to make such a script to run autonomously. What are some ways I can do this?

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• Ruby NTLM Library

  - by Scott Watermasysk

  Anyone have a good NTLM library recommend for Ruby? There is http://rubyforge.org/projects/rubyntlm/ but it has not been touched in quite a while.

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• Ruby javascript unescape equivalent

  - by vise

  I want to unescape the following string: '\u00020\u0002Standard\u00023\u0002Doe John\u000169\u0002\u0010\u0002Lorem\u0002\u0011\u0002Ipsum\u0002\u0014\u0002' Javascripts unescape function works ok, however how can I unescape it in ruby? Take in mind that unescape(previousString) is 0Standard3Doe John69LoremIpsum.

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• Detecting OS X camera with Ruby

  - by Anon39393939

  I'd know how to do this with AS3, but ruby search turns up nothing. Any help please.

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• Determining whether one array contains the contents of another array in ruby

  - by Andrew Grimm

  In ruby, how do I test that one array not only has the elements of another array, but contain them in that particular order? correct_combination = [1, 2, 3, 4, 5] [1, 5, 8, 2, 3, 4, 5].function_name(correct_combination) # => false [8, 10, 1, 2, 3, 4, 5, 9].function_name(correct_combination) # => true I tried using include, but that is used to test whether [1,2,3].include?(2) is true or not.

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• How to call cgi script from ruby

  - by Maddy

  Hello, I've a remote cgi script hosted on Apache using SSL. It takes in two input variables a and b. I want to call call the cgi script with right input variables using ruby. Any clues would be appreciated.

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• Best practices for handling binary data in Ruby?

  - by StackedCrooked

  What are the best practices for reading and writing binary data in Ruby? In the code sample below I needed to send a binary file using over HTTP (as POST data): f = File.new("resp.der", "r") # binary file begin while true out.syswrite(f.sysread(1)) # out is an output stream (type IO) end rescue EOFError => err puts "Sent response." end While this code seems to do a good job, it probably isn't very idiomatic. How can I improve it?

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• Is there a ruby equivalent of "python -i"?

  - by Steven

  ruby -n is the closest thing I found, but it repeats the whole script. Also it's not available for irb.

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• Audio processing libraries for Ruby?

  - by J. Pablo Fernández

  Any recommendation on libraries to do audio processing in Ruby. I need to do the following two tasks: Find silences, for which I'm happy to just be able to iterate over each sample in the wave. Cut and paste pieces of wav files to form a new wav file. Convert wav to mp3, which I will probably leave to lame anyway. I'm looking for the equivalent of NAudio, a C# library.

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• Use ruby Timeout class as background thread

  - by turri

  I found ruby class Timeout very useful for my project. But i need to run a block of code in background and keep it under a timeout.. For example Timeout::timeout(2) { block.call } How to do that?

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• difference between scope and namespace of ruby-on-rails 3 routing

  - by fayer

  i cant understand what the difference is between a namespace and a scope in the routing of ruby-on-rails 3. could someone please explain? namespace "admin" do resources :posts, :comments end scope :module => "admin" do resources :posts, :comments end thanks

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• Looking to clean up a small ruby script.

  - by Badweather

  I'm looking for a much more idiomatic way to do the following little ruby script. File.open("channels.xml").each do |line| if line.match('(mms:\/\/{1}[a-zA-Z\.\d\/\w-]+)') puts line.match('(mms:\/\/{1}[a-zA-Z\.\d\/\w-]+)') end end Thanks in advance for any suggestions.

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