https://github.com/ChenYilong?tab=repositories
https://github.com/CharlinFeng?tab=repositories 冯成林,好多实用demo
http://adad184.com/archives/ 里脊串的博客
https://autolayout.club autolayout
http://www.it165.net/pro/html/201411/28266.html //tableView 的cell 里添加textfield 控件之后cell滑出屏幕之后之前编辑的内容消失的问题