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多线程串口类及其使用方法，包含完整的CSerialPort类及其使用方法。(A communication class for serial port)

C/C++的常见算法集合，非常经典，很适合初学者(C/C++ Common algorithm collection, very classic, it is suitable for beginners)

使用SQL语句对数据库进行通用操作，使用DataGrid控件显示，VC++经典编程学习源码，很好的参考资料。(Use the SQL statement to the general operation of the database, use the DataGrid control to display, VC++ classic learning programming source code, a good reference.)

youtoo.sip电话详细源程序代码...里面赋有详细的说明过程以及使用说明..有利于SIP客户端的开发(youtoo.sip telephone detailed source code ... which are endowed with detailed description of the process so that Note .. used to SIP Client Development)

多线程写图像文件的一点小测试（Boost + Gual） . 对此工程讲解请参考我的博客： http://blog.csdn.net/chenyujing1234/article/details/7694201(Multiple threads to write a little test of image files (Boost+ Gual).)

说明：  win98下的人类设备接口的安装示例，怎样加载，怎样卸载以及INF的制作(the human interface equipment installation example, how to load, unload and how the production of INF)

爆炸与冲击的仿真研究 爆炸与冲击的仿真研究(Explosion and Shock Simulation Explosion and Shock Simulation )

this is a source code to help you to construct a poly font on you program. that is good for 3d paint.

读取Wav格式音频文件信息，调节Wav格式音频文件音量大小，并显示波形(Read Wav format audio file information, adjust the volume Wav format audio files and waveform display)

学生管理系统,包括学生信息管理，成绩管理，违规查询等。(Student management system, including the student information management, performance management, and illegal inquiries.)