摘要：
When you find you have to add a feature to a program, and the program's code is not structured in a convenient way to add the feature, first refactor the program to make it easy to add the feature, th... 阅读全文
posted @ 2010-04-01 11:21 顽石 阅读(149) 评论(0) 推荐(0) 编辑