获得系统的内存信息的小例子，我觉得不存，拿出来大家分享...

扫描计算机端口是否打开，这是系统编成和计算机防护的重要-scan on whether to open up a computer port, which is the computer systems organization and the importance of protection behind

这个简单的例子实现两个网络的客户端（NAT后面）通过公共网络服务器，以帮助建立一个P2P connection.Then服务器必须有一个公网IP，和客户端支持NAT架构有限制，不是所有类型的支持，如对称型。

对WINSOCKET的完成端口模型进行封装的类,Delphi写的,效率不错! -WinSocket the completion of the port model of the type of package, Delphi written good efficiency!

得到对方的IP地址,用VC实现,很经典的算法值得收藏-be each other"s IP address, with VC, classic collections worthy of the algorithm

用VC++开发读取网卡MAC地址的程序，可以作为验证软件合法的一个通用模块 -with VC read the Ethernet MAC address procedures, the software can be verified as legitimate a Universal Module

这个程序非常好用，一定不要错过哦，有问请请ＭＡＩＬ通知-this procedure is very useful, we should not miss, oh, please ask please notify MAIL

一个支持多用户的基于TCP/IP协议的客户/服务器通信的应用程序-a multi-user support based on the TCP/IP protocol client/server communication applications

UDP穿透Socks5的实现 ，一个封装UDP类，支持Socks5代理,原理可参看rfc1928-UDP Socks5 penetrating the realization of a package like UDP, support Socks5 agent, principle can be found in rfc1928

获取计算机的名称和IP地址:单击按钮显示计算机名称和本机的IP地址!-Get the computer name and IP address: Click the button to display the computer name and IP address of the machine!

java编的电子邮件程序。服务端和客户端都有。已编译通过-java series of the e-mail program. Services and clients have. Compiled by