ys-chang

IT++ is a C++ library of mathematical, signal processing and communication routines.

C++源代码，3des，加密，解密，非对称性密钥的生成、导入及导出示例 (C++ source code, 3des, encryption, decryption, VC++ asymmetric key generation, import and export example)

windows socket API的基本应用 完整工程；服务器异步监听模式 适合初学参考。(The basic application windows socket API complete works server asynchronous listening mode suitable for beginners reference.)

　FreeFileSync是一个易于使用的开放源码文件夹同步和比较软件，简单易用。 FreeFileSync[1] 首先是文件同步功能，可以在指定的两个文件夹之间进行单向或双向的同步，点击程序窗口右上方的绿色齿轮图标可以设置相关参数；期间也可以自定义需要筛选的文件，有“包括”和“例外”两种过滤方式，定义需要过滤的文件类型，这就看个人需要了。(FreeFileSync is an easy to use open source software folder synchronization and comparison, easy to use. FreeFileSync [1] The first is file synchronization, you can specify the folder between the two one-way or two-way synchronization, click the program icon in the window at the top right of the green gear can set parameters period can also be customized to sift through the file, the " include" and " exceptional" two filtering methods, definitions need to filter the file types, which depends on personal needs.)

Source Insight是一个面向项目开发的程序编辑器和代码浏览器，它拥有内置的对C/C++, C#和Java等程序的分析。Source Insight能分析你的源代码并在你工作的同时动态维护它自己的符号数据库，并自动为你显示有用的上下文信息。(Source Insight is a project oriented development program editor and code browser, it has a built-in C/C++, analysis of C# and Java program. Source Insight can maintain its own symbol database on your work and your source code and analysis, and automatically shows you a useful context information. )

vbs脚本开发的chm技术文档，内容很全。(chm for chm)

this code is a matrix with 4 operation

isight进阶学习资料与实例，特别适合初学者。尤其对isigt一无所知的人。(isight advanced learning materials and examples of)

qt 开发的聊天源代码，使用 qtcpsocket 开发，容易看懂( qt source for tcp client)

编制程序，监控网络，捕获一段时间内网络上的IP数据包，按IP数据包的源地址统计出该源地址在该时间段内发出的IP包的个数，将其写入日志文件中或用图形表示出来（建议用图形表示出统计结果）。(Program monitoring network, a period of time to capture IP data packets on the network, according to the source address of the IP packet statistics of the number of the source address is issued in the time of the IP package, written into the log file or graph out (that show the statistical results with graphics).)