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• Which is a better source control with NetBeans (Ruby on Rails), VSS or Subversion?

  - by Tushar Maru

  Which is better source control with NetBeans (Ruby on Rails), VSS or subversion? I want to use source control, so I want to know which is better for NetBeans (RoR). Visual Source safe or Subversion?

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• What is the difference between include and require in Ruby?

  - by Owen

  My question is similar to this one over here about include and extend. What's the difference between require and include in Ruby? If I just want to use the methods from a module in my class, should I require it or include it?

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• Can I deploy a Ruby on Rails webapp to an IIS webserver?

  - by Greg

  Can I deploy a Ruby on Rails webapp to an IIS webserver? Is there any solid support for this somehow?

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• How to safely let users run arbitrary Ruby code?

  - by igul222

  I realize this sounds a little crazy, but I'm working on a project for which I need a server to run user-provided Ruby code and return the result. I'm looking to prevent something like this: system("rm -rf /") eval("something_evil") # etc... I'm sure there must be some reasonably safe way to do this, as it already exists at places like tryruby.org. Any help is greatly appreciated, thanks!

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• Is there a nvl() function in Ruby or do I have to write it myself?

  - by jva

  I want to use an equivalent of Oracle's nvl() function in Ruby. Is there a built in function or do I have to write one myself?

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• In Ruby on Rails, why http://localhost:3000/foobars/alt/1.xml not work?

  - by Jian Lin

  In Ruby on Rails, http://localhost:3000/foobars/alt/1 works but http://localhost:3000/foobars/alt/1.xml doesn't work. config/route.rb is map.connect ':controller/:action/:id' map.connect ':controller/:action/:id.:format' so supposedly it supports an id.format in the URL?

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• How to run my script x times a day? (ruby on linux)

  - by Radek

  I want to run my ruby script x times a day (the number might change) on my linux box. What would be the best way to do so if I do not want it to happen at the same time? I want the time (hour and minute) to be random

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• How do I link to an item in the public folder from views/controller_name/page1.html.erb in Ruby on R

  - by ben

  How do I link to an item in the public folder from views/controller_name/page1.html.erb in Ruby on Rails? Thanks for reading.

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• In Ruby, in the context of a class method, what are instance and class variables?

  - by J. Pablo Fernández

  If I have the following piece of Ruby code: class Blah def self.bleh @blih = "Hello" @@bloh = "World" end end What exactly are @blih and @@bloh? @blih is an instance variable in the class Blah, and @@bloh is a class variable in the class Blah, correct? Does it mean that @@bloh is a variable in Blah's class, Class?

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• where can I find a good ruby excel parser that also had good documentation?

  - by Chris Drappier

  Hi All, I've spent some time today looking for a pure ruby library that will parse an excel workbook. I could find the parseexcel gem in the repos, but the problem is that I can't find any documentation on it. and the rdoc is pitiful. so, my question is 1) is there good documentation out there for this gem? 2) if not, is there another gem that does the same thing that has good documentation? thx :) -C

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• what's the best way to format an xml string in ruby?

  - by rubiii

  given an xml string like this: <some><nested><xml>value</xml></nested></some> what's the best option (using ruby) to format it into something readable like: <some> <nested> <xml>value</xml> </nested> </some>

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• How can I check if a Ruby array includes one of several values?

  - by Colen

  I have two Ruby arrays, and I need to see if they have any values in common. I could just loop through each of the values in one array and do include?() on the other, but I'm sure there's a better way. What is it? (The arrays both hold strings.) Thanks.

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• Why does FastCGI not work well with Ruby on Rails?

  - by Jian Lin

  It is said that FastCGI doesn't work well with Ruby on Rails deployment. Why is that? In previous experience, something either works quite well or it might be fundamentally wrong. So if FastCGI is a viable solution, why is it not reliable with RoR? Does FastCGI work well with most any language / frameworks?

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• how can I capture **http response** from twitter.com? ( ruby + twitter gem)

  - by Radek

  I opened a question how can I capture response from twitter.com? ( ruby + twitter gem) to know if my update was successful. It is working fine... But I would like to know how I can capture HTTP Response Codes and Errors oauth = Twitter::OAuth.new('consumer token', 'consumer secret') oauth.authorize_from_access('access token', 'access secret') client = Twitter::Base.new(oauth) response = client.update('Heeeyyyyoooo from Twitter Gem!')

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• How do I implement real time front end updates using node.js + Ruby on Rails?

  - by ming yeow

  What is the best way to implement real time updates in ruby on rails using node.js? It would be great to hear either real examples or your thoughts on alternative solutions.

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• What module(s) do I need to include to get 5.seconds to work in Ruby?

  - by DJTripleThreat

  Because apparently require 'date' doesn't include the method hours or seconds etc: undefined method `hours' for 5:Fixnum (NoMethodError) Am I missing something? Is 5.seconds only something you can do in Rails? If so, what is the require statement I need to get this to work in a ruby script?

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• How to emulate PHPs preg_split in ruby to capture offsets and delimiters?

  - by dimus

  I wonder if there is a way to get offsets and delimiters while I am splitting a string in ruby analagous to PHP preg_split: preg_split("/( |&nbsp;|<|>|\t|\n|\r|;|\.)/i", $html_string, -1, PREG_SPLIT_DELIM_CAPTURE|PREG_SPLIT_OFFSET_CAPTURE); I imagine I can achieve it by traversing string by characters or using something heavy as treetop, but I would like to use something more convenient.

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• What are PHP's advantages over Ruby on Rails and Django?

  - by flybywire

  PHP was the undisputed king of easy webapp development, until Ruby on Rails, Django, and other dynamic programming frameworks appeared. What are, in your opinion, PHP's strengths against the newcomers?

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• ruby or python more suitable for scripting in all OSes?

  - by fayer

  if i want to script a mini-application (in the Terminal) in mac and windows, which one is preferred: ruby or python? or is there no major difference just a matter of taste? cause i know python definetely is a good scripting language. thanks

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• Ruby equivalent to JavaScript’s encodeURIComponent that produces identical output?

  - by Mo

  Hi is there an equivalent ruby method to JavaScript encodeURIComponent method? i am using the URI.unescape(str) but it recognizes the "£" (after encodeURIComponent it becomes "%C2%A3") as a "?" sign. any solution's? thanks

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• Why doesn't this simple Ruby program print what I expect it to?

  - by Michael Braxton

  I have this: require 'tempfile' t = Tempfile.new('test-data') t.open t.sync = true t << "apples" t.puts "bananas" puts "contents are [#{t.read}] (#{t.size} bytes)" t.close This prints: contents are [] (14 bytes) Why aren't the contents actually shown? I'm on Ruby 1.9.2.

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• In Ruby on Rails, how is view code able to use instance variables that are set inside the controller

  - by Jian Lin

  In Ruby on Rails, how is an ActionView object able to access the instance variables of ActionController object (how is view code able to use instance variables that are set inside the controller code)?

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• How do I put an escape character (NOT "escaped" character) in a Ruby regex?

  - by Amy

  I'm trying to parse a text file that has ANSI color sequences in it, e.g. \e[0;37m How can I build a regex to match this in Ruby?

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• How can I find unused methods in a Ruby app?

  - by Geo

  I have a Ruby app with a lot of classes/modules, and some of them are not used. Is there an easy way of finding out which? I was thinking to do a profile, and then work with it's output. Any other ideas?

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• Why so many ASP.NET programmers play with Ruby on Rails after working hours?

  - by ITmeze

  I saw that on so many blogs. Lots of the people that were dealing with ASP.NET tend to play with Ruby on Rails after working hours. And It is just a matter of last one or two years. Why is it like that? Is it because when ASP.NET MVC showed up people become more open-minded - having joy with programming again they realize that some other folks had that many years ago, and they do not want to miss what they currently have?

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