http://javarevisited.blogspot.tw/2012/06/junit4-annotations-test-examples-and.html
http://nsinfra.blogspot.tw/2013/03/jpa-20-hibernate-orphanremoval-true.html
http://java-persistence-performance.blogspot.tw/2011/06/how-to-improve-jpa-performance-by-1825.html
http://www.theserverside.com/tip/Combining-Annotation-and-XML-Configurations-in-your-Spring-3-Applications
http://www.w3.org/International/articles/language-tags/
http://www.w3.org/International/questions/qa-choosing-language-tags
http://stackoverflow.com/questions/929410/what-are-best-practices-for-multi-language-database-design
http://rritw.com/a/JAVAbiancheng/Spring/20130317/325227.html