The latest release of Ruby on Rails contain some really nice tweaks.
- Reversible Migrations
- Assets Pipeline
Remember, if you’re upgrading an existing app, be sure to run some solid test coverage before moving over to 3.1. Also, Rails 3.1 reqires Ruby 1.8.1 or higher (and is compatible with Ruby 1.9.2).
The Evolution of Computer Languages
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That’s a lot of Java.