1. 基礎相關
=============================================
 Generators in Rails 3：http://railscasts.com/episodes/216-generators-in-rails-3
 Validations in Rails 3：http://railscasts.com/episodes/211-validations-in-rails-3
 How I Test ：http://railscasts.com/episodes/275-how-i-test
 Testing Exceptions ：http://railscasts.com/episodes/187-testing-exceptions
 Routing Walkthrough Part 1：http://railscasts.com/episodes/231-routing-walkthrough
 Routing Walkthrough Part 2：http://railscasts.com/episodes/232-routing-walkthrough-part-2
 Routing in Rails 3：http://railscasts.com/episodes/203-routing-in-rails-3
 I18n Backends ：http://railscasts.com/episodes/256-i18n-backends

2. 權限驗證
=============================================
 Authentication from Scratch ： http://railscasts.com/episodes/250-authentication-from-scratch
 Introducing Devise： http://railscasts.com/episodes/209-introducing-devise
 Customizing Devise ：http://railscasts.com/episodes/210-customizing-devise
 Authorization with CanCan：http://railscasts.com/episodes/192-authorization-with-cancan
 Declarative Authorization ：http://railscasts.com/episodes/188-declarative-authorization
 
3. 表單相關
=============================================
 Search, Sort, Paginate with AJAX ：http://railscasts.com/episodes/240-search-sort-paginate-with-ajax
 Pagination with Kaminari ：http://railscasts.com/episodes/254-pagination-with-kaminari
 Client Side Validations：http://railscasts.com/episodes/263-client-side-validations
 Token Fields ：http://railscasts.com/episodes/258-token-fields
 MetaWhere & MetaSearch：http://railscasts.com/episodes/251-metawhere-metasearch
 Multistep Forms ：http://railscasts.com/episodes/217-multistep-forms
 Calendars：http://railscasts.com/episodes/213-calendars
 Edit Multiple Individually：http://railscasts.com/episodes/198-edit-multiple-individually
 Dynamic Select Menus ：http://railscasts.com/episodes/88-dynamic-select-menus
 Sortable Table Columns：http://railscasts.com/episodes/228-sortable-table-columns

4. 調試相關
==============================================
 Exception Notifications ：http://railscasts.com/episodes/104-exception-notifications
 Pry with Rails ：http://railscasts.com/episodes/280-pry-with-rails
 Testing JavaScript with Jasmine ：http://railscasts.com/episodes/261-testing-javascript-with-jasmine
 Beginning with Cucumber：http://railscasts.com/episodes/155-beginning-with-cucumber
 Guard：http://railscasts.com/episodes/264-guard
 
5. 圖表相關
==============================================
 Charts ：http://railscasts.com/episodes/223-charts
 PDFKit ：http://railscasts.com/episodes/220-pdfkit
 Cropping Images：http://railscasts.com/episodes/182-cropping-images
 
6. 搜索相關
==============================================
 Search with Sunspot ：http://railscasts.com/episodes/278-search-with-sunspot
 Geocoder：http://railscasts.com/episodes/273-geocoder
 Thinking Sphinx：http://railscasts.com/episodes/120-thinking-sphinx

7. 消息任務
===============================================
 Resque：http://railscasts.com/episodes/271-resque
 Messaging with Faye：http://railscasts.com/episodes/260-messaging-with-faye
 
8. 數據相關
================================================
 Mongoid：http://railscasts.com/episodes/238-mongoid
 MongoDB and MongoMapper：http://railscasts.com/episodes/194-mongodb-and-mongomapper