linear programming charging allocation

说明：  在stm32工程中，长按和短按的代码书写， 调用的读取按键状态的底层函数。封装成的按键函数代码。下面是函数的头文件，和.c文件的代码。使用定时器来扫描按键。(In STM32 project, the code of long press and short press is written, and the underlying function of reading key status is called. Encapsulated key function code. The following is the header file of the function, and the code of the. C file. Use a timer to scan keys.)

这个是本人的python机器学习与入门编程的练习文本，程序调试基本正确，利于入门者练习参考。(This is my python machine learning and introductory programming practice text, program debugging is basically correct, helpful for beginners to practice reference.)

说明：  外籍人根据工资计算税金的公式，2018年的计算公式(about foreign salary set fro 2018 year)

这个是sap学习软件，可以作为入门的资料。-This is a learning software sap can be used as entry data.

Modeling and simulation pwm rectifier Own five modulation signal, Rotating machinery 2-d holographic spectrum calculation.

双极化天气雷达，基于模糊逻辑算法的降水粒子分类。(Weather Radar Polarimetry)

分析Java代码错误的工具PMD-Java code analysis tools wrong PMD

字符串的强悍操作，值得学习-string of tough operation, it is worth learning

matlab的环境下，编程实现传统遗传算法的matlab代码(Code of genetic algorithm implemented by MATLAB)

说明：  三合一收款码生成系统,支持支付宝，微信，银联，快速生成支付二维码。(Three in one collection code generation system)