Rails 有没有一个 Ruby & Rails 的知识点的 list？
比如
RESTful
Active Record
Helper
DB Migration
comet
RSpec
尤其对于初学者而言。如果有的话，就省得自己再去总结啦。
Ruby on Rails Guides 的目录划分就是很好的组织形式
Start Here Getting Started with Rails Models Rails Database Migrations Active Record Validations and Callbacks Active Record Associations Active Record Query Interface Views Layouts and Rendering in Rails Action View Form Helpers Controllers Action Controller Overview Rails Routing from the Outside In
Digging Deeper Active Support Core Extensions Rails Internationalization API Securing Rails Applications Debugging Rails Applications Performance Testing Rails Applications Configuring Rails Applications Rails Command Line Tools and Rake Tasks Asset Pipeline Extending Rails Rails on Rack Creating and Customizing Rails Generators Contributing to Ruby on Rails
