Codiqa Prototypes
https://codiqa.com/demo

The Central Repository Search Engine
http://search.maven.org/

docjar Search Open Source Java API
http://www.docjar.com/

boyunjian
http://www.boyunjian.com/

jQuery API Documentation
http://api.jquery.com/

w3school
http://www.w3school.com.cn/

W3Schools Online Web Tutorials
http://www.w3schools.com/

w3cschool
http://www.w3cschool.cc/

hjjp
http://dict.hjenglish.com/jp/

regex
http://www.jb51.net/tools/zhengze.html

maven
http://maven.outofmemory.cn/

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