http://www.wuleilei.com/blog/323 不错

http://blog.csdn.net/totogo2010/

http://blog.csdn.net/totogo2010/article/details/7682433

http://www.csdn.net/tag/Xcode 

苹果官方教程：iOS7 https://developer.apple.com/tech-talks/videos/

推荐一些关于Mac和iOS开发个人觉得十分值得关注的站点： http://www.mikeash.com/pyblog/ "The Complete Friday Q&A"作者的博客，全是各种底层（包括语言、包括Framework）Hack教程。

http://nshipster.com/ http://www.cimgf.com/ (Cocoa is my girlfriend)

http://www.cocoanetics.com/

http://www.scoop.it/t/ios-dev-iphone-ipad

http://cocoadev.com/

http://www.cocoachina.com/applenews/devnews/2013/0628/6502.html  iOS7教程

http://www.cocoachina.com/applenews/devnews/2013/0628/6502.html