获得网卡ID号，这个号是一个唯一的号。

字符编码转换，可以支持gb2312、ASCll、汉字、字符之间的转换-Character encoding conversion, can support gb2312, ASCll, characters, character conversion between

Quadratic programming function that can solve QP with positive definite matrix

舍入误差与有效数C源代码-rounding error and the effective number of C source code

简单实用的计算器哦 大家多多支持~！~-simple and useful calculators oh we can support ~! ~

Visual_C++ 即时通讯系统，包括服务器端和客户端 -Visual_C++ instant messaging systems, including server-side and client-side

关于视窗WINDOWS系统的一些基本技术，包括多线程的演示程序，文件的读写操作以及对异常错误处理的相关内容。-Windows on Windows systems, the basic technology, including multithreading demonstration program, document literacy and the abnormal operation of the wrong content.

两个wav文件 的合成-Synthesis of two wav file

模拟自动售货机的 c + + 语言实现的库程序。它具有这些功能，包括添加硬币、 返回硬币，售卖的东西和重置自动贩卖机的状态。

在about里面用html作连接-about the inside for connecting with html

求解最短哈密顿回路，先用贪心方法求解一个路径及权值，以此作为回溯剪枝界。-Solving the shortest Hamiltonian circuit, first with the greedy method to solve a path and weight, as a back pruning sector.