add-string

study of data structure implementation using c

FFT蝶形运算,C 语言,可有MATLAB M 语言转换实现(FFT butterfly computation, C language, MATLAB M language can be converted to achieve)

itools程序源码，可以管理IOS程序，需要Xcode编译，并生成MAC程序(itools can manage IOS program)

tab bar controller 自定义颜色和演示demo，精选ios编程学习源码，很好的参考资料。(Tab bar controller custom colors and demonstration of demo, selection of learning IOS programming source code, a good reference.)

说明：  iPhone真机调试及如何上传到Apple Application Store平台。(iPhone-device debugging and how to upload to the Apple Application Store platform.)

用SwiftLanguage编写的A Star Routing.(A Star Routing that is created with Swift Language.)

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

这是一个特效是仿照苹果电脑煮面的一个特效。这是一个特效是仿照苹果电脑煮面的一个特效。(This is a special effects is modeled as a cooking apple computer special effects. This is a special effects is modeled as a cooking apple computer special effects.)

产生两不迥频率的信号，并对两信号作复数FFT变换，找出频率为50Hz的信号对其进行能量计算(Two distant signal is not generated frequency, and two signals for complex FFT transform to identify the frequency of 50Hz signal to calculate its energy)

objct-c aop编程，使用Method Swizzling方法