THEOSProject

http://www.igeeksblog.com/remove-jailbreak-from-iphone-ipad/ http://stackoverflow.com/questions/6118814/is-there-anywhere-where-i-could-start-mobilesubstrate-tweaks-programming/11553722#11553722 http://www.appcoda.com/ios-programming-send-sms-text-message/

http://ioscheaters.com/topic/767-tut-set-up-theos-with-sdk-61-on-linuxupdated/

https://www.youtube.com/watch?v=5jqoSDaebQ4

https://www.youtube.com/watch?v=lTLi8hY5HDg

http://www.tobiasfeigl.de/2013/07/29/tutorial-use-an-unsubscribed-ios-device-to-test-your-ios-applications-for-free-no-apple-developer-subscription-necessary-ios-2-x-7-x-xcode-4-6-x-os-x-10-x/

http://stackoverflow.com/questions/13568511/how-to-use-xcode-to-design-interface-iosopendev

ARC-------------------------

http://seanysh.blogspot.hk/2014/04/ios-arc.html http://onevcat.com/2012/06/arc-hand-by-hand/ http://www.raywenderlich.com/5677/beginning-arc-in-ios-5-part-1

Multi-Thread -------------------------------- http://softpixel.com/~cwright/programming/threads/threads.cocoa.php http://stackoverflow.com/questions/10853529/locking-an-object-from-being-accessed-by-multiple-threads-objective-c