Implementation-of-Playfair-cipher

面向对象程序设计实验代码，此代码属于基础代码。(Experimental object-oriented programming code, this code belongs to the underlying code.)

A good guideline for objective c programmers.

自定义风格的SegmentedControl，IOS编程学习源码，很好的参考资料。(A custom style SegmentedControl, learning IOS programming source code, a good reference.)

objct-c aop编程，使用Method Swizzling方法

STM8L101F3数码管显示_追梦效果_跑马灯——模拟SPI比如：数码管显示可以从0跑到9，也可以从9跑到0；可以在数码管外跑圈圈等等!实用于做实验等等

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)

matlab 灰色理论函数，自己写的灰色理论函数，可以用来预测未来的数据。(matlab gray theory function)

计算多重分形非趋势波动分析matlab程序,能量谱分析计算,GSM中GMSK调制信号的产生。( Calculation multifractal detrended fluctuation analysis matlab program, Energy spectrum analysis and calculation, GSM is GMSK modulation signal generation.)

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)

导航栏，精选ios编程学习源码，很好的参考资料。(The navigation bar, select learning IOS programming source code, a good reference.)