좋은 블로그 1

http://javacan.tistory.com/entry/show-software-diagram

gof 패턴

http://blog.naver.com/newsdu/80115144381

codemyui
codepen

https://github.com/Blackseed/NaverLoginTutorial/wiki/Spring-MVC-%EB%A5%BC-%EC%9D%B4%EC%9A%A9%ED%95%98%EC%97%AC-%EB%84%A4%EC%9D%B4%EB%B2%84%EC%95%84%EC%9D%B4%EB%94%94%EB%A1%9C-%EB%A1%9C%EA%B7%B8%EC%9D%B8-%EC%A0%81%EC%9A%A9%ED%95%98%EA%B8%B0

(네이버아이디로 로그인하기)

http://developer.qcn.co.kr/2016/06/13/%ED%81%AC%EB%A1%AC-%ED%91%B8%EC%8B%9C-%EC%95%8C%EB%A6%BC-%EB%B0%B0%EC%9B%8C%EB%B3%B4%EA%B8%B0-6-%EC%84%9C%EB%B2%84-%EC%95%8C%EB%A6%BC-%EB%93%B1%EB%A1%9D%ED%95%98%EA%B8%B0/

(웹알림 기능 Service Worker)

http://webisfree.com/2014-10-23/[%EC%9E%90%EB%B0%94%EC%8A%A4%ED%81%AC%EB%A6%BD%ED%8A%B8]-%EC%9D%BC%EC%A0%95-%EC%8B%9C%EA%B0%84%EB%A7%88%EB%8B%A4-%EB%B0%98%EB%B3%B5-%EC%8B%A4%ED%96%89%ED%95%98%EB%8A%94-%ED%95%A8%EC%88%98-setinterval()-%7B%7D

(이것저것 유용함)