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New posts in ruby-on-rails-3

How do I fix the "You don't have write permissions into the /usr/bin directory" error when installing Rails?

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Ruby on Rails Callback, what is difference between :before_save and :before_create?

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ActiveRecord OR query

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What is the right way to override a setter method in Ruby on Rails?

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Repairing Postgresql after upgrading to OSX 10.7 Lion

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Best way to pretty print a hash

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Validate uniqueness of multiple columns

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Understanding :source option of has_one/has_many through of Rails

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How to replace a hash key with another key

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ActiveRecord: size vs count

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Rails - How to use a Helper Inside a Controller

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Change a column type from Date to DateTime during ROR migration

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Use rvmrc or ruby-version file to set a project gemset with RVM?

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Add a CSS class to <%= f.submit %>

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How to restart a rails server on Heroku?

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rmagick gem install "Can't find Magick-config"

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How to make a HTTP request using Ruby on Rails?

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Rails - Could not find a JavaScript runtime?

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Best way to load module/class from lib folder in Rails 3?

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Replace words in a string - Ruby

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