协议与委托

http://www.cnblogs.com/qingyuan/p/3616870.html

http://blog.csdn.net/houchangxi/article/details/6687643

http://mobile.51cto.com/iphone-283416.htm

http://blog.csdn.net/chsadin/article/details/38405013

@synthesize

http://blog.csdn.net/zhiganglet/article/details/7546333

http://www.cnblogs.com/ygm900/p/3633131.html

对Objective-C中Block的追探

http://www.cnblogs.com/biosli/archive/2013/05/29/iOS_Objective-C_Block.html

Mac下github的使用

http://jingyan.baidu.com/article/7908e85c953138af481ad218.html 

Xcode 6.3 用 GitHub 托管项目

http://jingyan.baidu.com/article/ab0b5630936ab6c15afa7d1c.html

github for Mac 教程

http://www.w2bc.com/Article/13384

Xcode和github入门详细教程！

http://blog.csdn.net/daleiwang/article/details/31347387

在Xcode中使用Git进行源码版本控制

http://www.cocoachina.com/ios/20140524/8536.html

OC中， block（块）的本质是什么？

http://www.zhihu.com/question/30779258

Xcode常用插件

http://www.gbtags.com/gb/share/3709.htm