我的常用链接
The Java EE 6 Tutorial:
http://docs.oracle.com/javaee/6/tutorial/doc/docinfo.html

Java EE APIs & Docs:
http://www.oracle.com/technetwork/java/javaee/documentation/apis-139520.html

Java EE 6 API:
http://docs.oracle.com/javaee/6/api/

Ext JS 4:
http://docs.sencha.com/ext-js/4-0/

简明 Vim 练级攻略:
http://coolshell.cn/articles/5426.html

Jetty源码:
http://repo2.maven.org/maven2/org/eclipse/jetty/jetty-server/