VB中基于TCPIP协议的点对点文件传输源代码，了解网络传输协议-VB-point based on TCPIP protocol file transfer the source code to understand the network transport protocol

一个用vc实现的overlapped的实例-with a vc realized overlapped examples

这个是古典密码学里Caesar密码用c++编程的程序代码-This is a classical cryptography Lane Caesar cipher c programming code

socket协议的详细说明，在VC++环境下编程说明

利用mina的通讯框架，实现两端传输文件。-Mina framework for the use of communications, to transfer files to achieve both ends.

该代码实现了socket编程，客户端很好的完成了界面处理，实现简单；服务器端配置数据库，可以进行条码的插入、查询、删除等操作

一个tftp文件传输的客户端 方便初学者学习使用-a tftp file transfer client convenience beginners learning to use

VB实现SQL Server数据库备份-恢复 VB实现SQL Server数据库备份-恢复-VB SQL Server database backup-restore VB SQL Server database backup-restore

RAS高级编程是一个RAS拨号程序高级开发，通过该程序不经能够实现电话拨号功能，还能实现如adsl、网通等拨号功能，还能够监控modem或者网卡的网络流量，绝对是一个值得读者学习的程序。-RAS high-level programming is a RAS digit dialing procedure high-level development, after cannot realize the telephone digit dialing function through this procedure, but also can realize like adsl, the net passes and so on the digit dialing function, but also can monitor modem or the net card network current capacity, absolutely is the procedure which is worth the reader studying.

通讯程序的server端，可以管理很多消息。对初学边写服务器的人有帮助。推荐大家下载。-Client server communication process, you can manage a lot of news. Learning to write the server side of those who have helped. Recommend everyone to download.