http://www.cnblogs.com/cmfwm/p/7671188.html
http://blog.csdn.net/fuckluy/article/details/50614983
https://wenku.baidu.com/view/13370ad128ea81c758f578bd.html
http://blog.chinaunix.net/uid-26602509-id-3988753.html
http://www.cnblogs.com/panxuejun/p/5882424.html
Guava https://www.oschina.net/news/90002/guava-23-3
Python datetime plugin https://my.oschina.net/editorial-story/blog/1556818
Make Cartoon using Game Engineer: https://www.zhihu.com/question/50681112?sort=created
Make a Game Engineer by one person: https://www.zhihu.com/question/24733255
Configuration of Spring MVC http://www.cnblogs.com/caijh/p/7737714.html