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I'm new to Ruby/Ruby on Rails and I'm working with project fedena which runs on Rails 2.3.5. I looked around for a rails schema visualizer.. but I found that there are only some gems that support rails 1.x and others that support rails 3.x.

Is it possible to get a RoR application that was built with a certain RoR version in mind and compile it again for another version of RoR? I've been researching about backward/forward compatibility in Ruby and I'm getting un-encouraging results. It seems there are significant difference across the various RoR releases.

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abbood
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  • i noticed that the latest version of project fedena was released in 2012, long after ruby on rails 3 was released.. is there a reason why they'd stick with an older version of rails (ie 2.x)? – abbood Apr 20 '13 at 02:35
  • I found [this](http://blog.brzezinka.eu/webmaster-tips/ruby/ror-railroad-plugin-with-rails-2-3-5-on-windows-error).. but it's for windows.. i'm looking for mac – abbood Apr 22 '13 at 18:11

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I saw your problem i had it too but i used this:

  GO TO /project/config/environment
  and add this code


  Rails::Initializer.run do |config|
    config.time_zone = 'UTC'
    config.gem 'GEM_NAME', :version => '~> 2.3.5'
  end

THIS WILL HELP YOU WITH YOUR TESTING

Charlie Ramos
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