11月27日

回想Rails --Active Record Query Interface--Scopes的基本用法：

1.Passing in arguments.例子：scope  :name , -> {order("..")}

2.Using conditionals.             scope :name, -> {where(...)} 

单词：migrate:

1. if people migrate, they go to live in another area or country, especially in order to find work.

2. (computer) to move information or software from one computer system to another.

11月27日

原文：http://www.cnblogs.com/chentianwei/p/7905788.html