effective index method

关于图形旋转的C语言原代码，对C语言初学者有很大帮助。-Graphics rotation on C language source code for C language has a lot to help beginners.

VC++ 6.0编写的贪吃蛇经典小游戏。不仅包含源代码，并且包含了作者的设计文档。-VC++ 6.0 written in the classic Snake game. Includes not only the source code, and includes the author" s design document.

利用谐波叠加法编写的matlab脉动风载荷程序，可以模拟高层建筑风载荷(The MATLAB pulsating wind load program written by the harmonic superposition method can simulate the wind load of the high-rise building.)

说明：  可以使用两个最小系统，32的c8t6来互相通信，利用串口一可以查看通信结果(Two minimal systems, 32 c8t6, can be used to communicate with each other, and serial port one can be used to view the communication results.)

The program of generating static library lib with vc is helpful for learning how to generate lib.

量子粒子群优化算法(QPSO)是一种比较新的基于粒子群优化算法的改进算法,虽然它的性能比其他的粒子群算法要好,但还是存在不足。(Quantum particle swarm optimization (QPSO) is a relatively new improved algorithm based on particle swarm optimization. Although its performance is better than other particle swarm optimization algorithms, it still has shortcomings.)

说明：  该文件能够实现Xilinx平台FPGA芯片流水灯实验，能够看到绿色的8盏灯依次点亮(This file can realize the Xilinx platform FPGA chip pipelining lamp experiment, and can see eight green lights turn on in turn.)

一个早期写的C++日志生成类，好像是老外写的，虽然这么多年了，但还是有很多人在用这个日志类。程序界面没什么功能，不过用它生成的的日志文件都在Debug目录下。

寻找卫星的程序,可以设置不同的城市,程序快速计算卫星的仰角和方位角,还有最重要的偏移角(Find satellite program, you can set a different city, the program quickly calculate the satellite elevation and azimuth, as well as the most important offset angle)

基于stm32的microchip的m24lc1025 eeprom，容量1024Kb。(Stm32 - based microchip m24lc1025 eeprom with a capacity of 1024Kb.)