Implementation-of-transposition-cipher

NSString框架的学习，包括NSNumber等 NSString框架的学习，包括NSNumber等(NSString framework of learning, including learning NSNumber etc. NSString framework, including NSNumber etc.)

排队论 （Queuing Theory）也称随机服务系统理论，就是为解决有关排队问题而发展的一门学科。(Queuing theory (Queuing Theory), also known as stochastic service system theory, a discipline is developed to solve the queuing problem.)

评分打星星的一个例子 可以用来参考 很实用(An example of playing star ratings can be used to refer to)

一个选择器特效大全的例子：KNMultiItemSelector，IOS编程学习源码，很好的参考资料。(A selector effects Guinness examples: KNMultiItemSelector, learning IOS programming source code, a good reference.)

TabBarCustom (所有TabBar之间切换)，精选ios编程学习源码，很好的参考资料。(TabBarCustom (switching between all TabBar), selection of learning IOS programming source code, a good reference.)

safari调用第三方APP demo 可以直接调试成功 供新手参考 (safari called third-party APP demo success can be directly debug reference for the novice)

A good guideline for objective c programmers.

这是模型检测的一个最新版本，希望对大家有所帮助。(This is one of the latest version of model checking, we want to help.)

objective-c textfield 下拉菜单实现(objective-c textfield drop-down menu to achieve)

Detection of QRS wave of more detailed procedures, including the starting point of QRS wave, peak detection.