Rails just keeps on changing. Rails 3 and Ruby 1.9 bring hundreds of improvements, including new APIs and substantial performance enhancements. The fourth edition of this award-winning classic has been reorganized and refocused so it's more useful than ever before for developers new to Ruby and Rails. Rails 3 is a major release --the changes aren't just incremental, but structural. So we decided to follow suit. This book isn't just a mild reworking of the previous edition to make it run with the new Rails. Instead, it's a complete refactoring. You'll still find the Depot example at the front, but you'll also find testing knitted right in. Gone are the long reference chapters--that's what the web does best. Instead you'll find more targeted information on all the aspects of Rails that you'll need to be a successful Web developer. Now Updated for Rails 3.2 Rails 3.1 and Rails 3.2 introduce many user-facing changes, and this release has been updated t...
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