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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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  • How do I rescue from a `require': no such file to load in ruby?

    - by René Nyffenegger
    I am trying to rescue from a `require': no such file to load in ruby in order to hint the user at specifying the -I flag in case he has forgotten to do so. Basically the code looks like: begin require 'someFile.rb' rescue puts "someFile.rb was not found, have you" puts "forgotten to specify the -I flag?" exit end I have expected the rescue part to take over execution in case someFile.rb was not found, but my assumption was wrong.

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  • How to tell Ruby not to serialize an attribute or how to overload marshal_dump properly?

    - by GregMoreno
    I have an attribute in my AR:B that is not serializeable. o = Discussion.find(6) Marshal.dump(o) TypeError: no marshal_dump is defined for class Proc from (irb):10:in `dump' I know the culprit and what I want is to set this variable to nil before any serialization takes place. I can do this but I'm stuck with the proper way to override marshal_dump def marshal_dump @problem = nil # what is the right return here? end Or is there is way to tell Ruby or AR not to serialize an object?

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  • How do I find where a ruby method is declared?

    - by Joe Fair
    I have a ruby method (deactivate!) that is on an activeRecord class. However, I can't seem to find where that method is declared. There have been numerous developers on this project, so it could be anywhere. There is a deactivate! on an unrelated class, but it doesn't seem to get called. Any ideas how to find all the superclasses for an instace, or where to find the code for deactivate!?

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  • Python vs Groovy vs Ruby? (based on criteria listed in question)

    - by Prembo
    Considering the criteria listed below, which of Python, Groovy or Ruby would you use? Criteria (Importance out of 10, 10 being most important) Richness of API/libraries available (eg. maths, plotting, networking) (9) Ability to embed in desktop (java/c++) applications (8) Ease of deployment (8) Ability to interface with DLLs/Shared Libraries (7) Ability to generate GUIs (7) Community/User support (6) Portability (6) Database manipulation (3) Language/Semantics (2)

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  • How to access a (shadowed) global function in ruby.

    - by yngvedh
    Hi, I was wondering how to access a global function fn in ruby from a class which also defined a method fn. I have made a workaround by aliasing the function like so: def fn end class Bar alias global_fn fn def fn # how to access the global fn here without the alias global_fn end end I'm looking for something along the lines of c++'s :: to access global scope but I can't seem to locate any information about it. I guess I don't know specifically what I'm looking for.

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  • Moving rails javascript to public while keeping ruby code?

    - by tesmar
    Hi guys, I have a project to move some JS code outside of rails into the public direcotry, but some of it has ruby code embedded, and depends on the values of the variables from the controllers to set some of its code. How can I move it out of the view and still maintain the same structure, or do I need to just rewrite the JS from scratch?

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  • rails gem permissions problem (tabs on rails)

    - by aguynamedloren
    I'm having trouble running a gem, tabs on rails -v=1.3.2, in my rails 2.3.8 app. The gem is installed locally (Ubuntu 10.10) and I have config.gem "tabs_on_rails", :version="1.3.2" in environment.rb. This is the output I get when I run script/server: loren@ubuntu:~/apps/medmentum$ script/server => Booting WEBrick => Rails 2.3.8 application starting on http://0.0.0.0:3000 no such file to load -- tabs_on_rails /usr/lib/ruby/1.8/rubygems/custom_require.rb:36:in `gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:36:in `require' /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' /var/lib/gems/1.8/gems/rails-2.3.8/lib/rails/gem_dependency.rb:215:in `load' /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:307:in `load_gems' /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:307:in `each' /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:307:in `load_gems' /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:164:in `process' /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:113:in `send' /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:113:in `run' /home/loren/apps/medmentum/config/environment.rb:11 /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `require' /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' /var/lib/gems/1.8/gems/rails-2.3.8/lib/commands/server.rb:84 /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `require' script/server:3 /var/lib/gems/1.8/gems/rails-2.3.8/lib/rails/plugin.rb:158:in `read': Permission denied - /var/lib/gems/1.8/gems/tabs_on_rails-1.3.2/rails/init.rb (Errno::EACCES) from /var/lib/gems/1.8/gems/rails-2.3.8/lib/rails/plugin.rb:158:in `evaluate_init_rb' from /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/core_ext/kernel/reporting.rb:11:in `silence_warnings' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/rails/plugin.rb:154:in `evaluate_init_rb' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/rails/plugin.rb:48:in `load' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/rails/plugin/loader.rb:38:in `load_plugins' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/rails/plugin/loader.rb:37:in `each' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/rails/plugin/loader.rb:37:in `load_plugins' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:369:in `load_plugins' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:165:in `process' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:113:in `send' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/initializer.rb:113:in `run' from /home/loren/apps/medmentum/config/environment.rb:11 from /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' from /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `require' from /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:521:in `new_constants_in' from /var/lib/gems/1.8/gems/activesupport-2.3.8/lib/active_support/dependencies.rb:156:in `require' from /var/lib/gems/1.8/gems/rails-2.3.8/lib/commands/server.rb:84 from /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require' from /usr/lib/ruby/1.8/rubygems/custom_require.rb:31:in `require' from script/server:3 When I run rake gems:install, I get this: Permission denied - /var/lib/gems/1.8/gems/tabs_on_rails-1.3.2/rails/init.rb I navigated to the tabs_on_rails gem folder in the filesystem and all of the files are locked. According to the files' properties, I am not the owner and cannot change the permissions. All of my other local gems are accessible without permissions problems, so this is odd. Any help is very much appreciated!

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  • How to get Ruby support in Zend Studio?

    - by Andrew
    Zend Studio is basically Eclipse that has been optimized for working with Zend Framework projects. Well I have a few files in my Zend Framework project that happen to be Ruby files. Zend Studio doesn't come with the ability to create/edit Ruby files with syntax highlighting. I could open in the default text editor, but there won't be any syntax highlighting. How can I add support for Ruby files in Zend Studio?

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  • File type actions for ruby scripts

    - by Kovags
    Hello, I just installed the Ruby interpreter and created the file test.rb. In the Folder Options, I created the rb file type and an action called Run and assigned the application C:\Ruby192\bin\ruby.exe "%1"" So It's possible for to get into the Windows XP command line and run the script simply by doing this: C:\>test.rb But when I need to send parameters to the script, I can't simply do the following: C:test.rb parameter1 parameter2 I'll have to do the following instead: C:\Ruby192\bin\ruby.exe c:\test.rb parameter1 parameter2 I just noticed that I'm able to edit the action the following way to pass more parameters: C:\Ruby192\bin\ruby.exe "%1" "%2" "%3"" That allows me to give 2 parameters to the script, but for some cases I need to pass a handful of parameters and it doesn't seem right for me to append "%5" "%6" "%7" ad nauseam. What's the canonical way to do it?

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  • Has there ever been a great print version of Why’s Poignant Guide to Ruby?

    - by Paul D. Waite
    Although it’s probably meant to be experienced on the web, I’d love to read a great print version of Why’s Poignant Guide to Ruby. It’s liberally licensed, so I can run off a copy for myself. But I think a work like that deserves more. Full colour illustrations. Main text on the left-hand page, sidebars on the right. (Stick in a few cartoons, or a slice of onion, when there aren’t any sidebars.) A built-in MP3 player and headphones for the soundtrack, but made completely out of telephone wires. Whilst that might be wishing for too much, have you (ever) seen any decent print versions of the book available?

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  • Leopard => Snow Leopard architecture woes with nokogiri / rails

    - by Julian
    I'm confused. It's a regular state of affairs for me but specifically in this case I felt I could reach out to fellow stackoverflowers (that is, stackoverflow-ers, not stackover-flowers). uname -a Darwin macbookpro 10.3.0 Darwin Kernel Version 10.3.0: Fri Feb 26 11:58:09 PST 2010; root:xnu-1504.3.12~1/RELEASE_I386 i386 set bash-3.2$ set ... HOSTTYPE=x86_64 ... MACHTYPE=x86_64-apple-darwin10.0 ... I'm having a nightmare rebuilding some native ruby gems and I'm wondering whether this is part of the problem -- part of this machine says its 64 bit but another part 32 ... as far as I can tell? Under 'About this Mac' it says 'Intel Core 2 Duo' which Apple says is 64 bit. So why, after doing sudo gem pristine --all am I still getting this kind of error? dlopen(/Applications/Rails/ruby/lib/ruby/gems/1.8/gems/nokogiri-1.4.2/lib/nokogiri/nokogiri.bundle, 9): no suitable image found. Did find: /Applications/Rails/ruby/lib/ruby/gems/1.8/gems/nokogiri-1.4.2/lib/nokogiri/nokogiri.bundle: mach-o, but wrong architecture - /Applications/Rails/ruby/lib/ruby/gems/1.8/gems/nokogiri-1.4.2/lib/nokogiri/nokogiri.bundle Specifically I had removed nokogiri and reinstalled it. No errors in output. bash-3.2$ sudo gem install nokogiri Building native extensions. This could take a while... Successfully installed nokogiri-1.4.2 1 gem installed thanks for any thoughts!

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  • Are the svn ruby bindings provided as a gem?

    - by user30997
    I see a couple dozen gems that relate to svn, but what little documentation I can find on any of them shows that they are command-line wrappers and misc helpers. (svn-command, svn-hooks, etc.) I've seen code in the wild that does things like: require 'svn/core' and SVN.Repos.add(...), but the author of that module pulled his svn ruby tools via apt-get. This would not be an option for me, as I'm developing a windows/osx tool. Which gem am I after? From there, I'm happy to dig through code in lieu of documents, but with a call to gem query --name-matches svn --remote returning about 30 hits, I need to narrow it down a bit first.

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  • Ruby Regexp: + vs *. special behaviour?

    - by seb
    Using ruby regexp I get the following results: >> 'foobar'[/o+/] => "oo" >> 'foobar'[/o*/] => "" But: >> 'foobar'[/fo+/] => "foo" >> 'foobar'[/fo*/] => "foo" The documentation says: *: zero or more repetitions of the preceding +: one or more repetitions of the preceding So i expect that 'foobar'[/o*/] returns the same result as 'foobar'[/o+/] Does anybody have an explanation for that

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