Where I write.

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

slab, page and chunk in memcached

visibility symbol in UML

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

MySQL 使用和优化基础

Digest of Mocks Aren't Stubs

Velocity Config in Spring

never fake a <input type=file>

struts2 interceptor config

shallow copy v.s. deep clone