Where I write.

设计 Service 的一些经验

设计 PO 的一些经验

设计 Controller 的一些经验

Deploy carefully!

2 most important questions when an old project is assigned to you

Digest of Test Driven Development

Every servlet, controller, service, DAO, etc is Singleton in a SpringMVC application context

slab, page and chunk in memcached

visibility symbol in UML

use ${fn:escapeXml()} to escape double quote