sxnb

属于C++里继承与派生类的小程序，主要是多层派生里的指针继承问题，仅供参考(Belonging C++ inheritance and derived classes in a small program, mainly derived pointers in multilayer succession for reference purposes only)

说明：  底层json类库，个人认为非常好用。分享下。(The underlying JSON class library, which I personally think is very useful. Share it.)

android 文件下载工具，支持多线程断点续传、支持任务组下载，支持FTP文件上传，FTP文件夹上传(Android file download tools, support multi-threaded HTTP download, support task group, support FTP file upload, FTP upload folder)

  本系统有三种操作权限，其中，营业员只可以执行开台、点菜、买单及查询日收入操作；领班可以执行开台、点菜、买单、进货、添加新员工、日收入及月收入查询等操作；经理具有最高权限，除了领班及营业员的操作权限外，还可以设置员工权限、添加商品信息及菜式信息、备份与恢复数据库及初始化数据等操作。

求两条直线段的交点坐标的算法说明,是网上资料的经典积累-Seeking two coordinates of line segment intersection algorithm description

toturial of vhdl

一些数论题目的代码，欢迎分享-The purpose of the code number of a number of topics are welcome to share ... ... ... ... ... ...

用JAVA语音完成的关于游戏的毕业设计，内部包含源码，论文等部分。(Internal contains the source code, papers and other parts with JAVA voice to complete the graduation project on the game.)

说明：  采样返回上位机，上位机处理后串口发送至单片机，实现pid调节，需配合simulink使用(Sampling is returned to the upper computer. After processing, the upper computer sends the serial port to the single chip computer to realize PID regulation. It needs to be used with simulink.)

采用PQ，VF控制策略，包括风机、光伏等设备参与(Using PQ, VF control strategy, including fan, photovoltaic equipment participation)