Catch

服务器，客户端聊天小程序，可能功能有点简单，但是原理都在(The server, the client chat applet)

说明：  无线网络中的资源分配与跨层控制，国外专家编写的，讲解的很详细(Wireless network resource allocation and cross-layer control, prepared by foreign experts, to explain in great detail)

说明：  基于VC的OPC客户端软件研究与实现.......(The OPC-based VC research and implementation of client software ....... )

说明：  根据域名获得IP地址列表 根据域名获得IP地址列表(under the name list of IP addresses under the domain of IP address list)

1.局域网内设备IP搜索 2.发送广播包出去，同时启动侦听接收 3.支持局域网内跨网断搜索(1.IP search in local network 2.send broadcast packet, and receive request 3.support different gateway.)

求一段音频信号的短时过零率，可用于特征的选取，以及对音频进行分类筛选等场合。(For the sound process)

搭建一个有4个部门的公司网络，包含研发部门、测试部门、管理部门和销售部门，利用局域网模型在一个对象中模拟一个服务器和多个客户端的行为(Set up a department of four corporate network, including R & D department, testing department, management department and sales department, the use of local area network model of an object in the simulation at a server and multiple clients of conduct)

c++经典代码大全，适合初学者下载参考使用。(c++ Guinness classic code, suitable for beginners reference.)

说明：  live555 rtsp build in vs2008 and vs2015. also make testRTSPClient execute project

在vc++下通过ip端口抓取数据包，获取音频数据进行处理(In vc++ crawl through the ip port packet)