raining

win2k下用winsock原始套接字抓包，从事SOCKET编程-win2k using protocols of the original socket capturing Packet engaged Socket Programming

实现双服务器的心跳探测，支持udp和串口。 快平台的tcp，udp类。-Dual server heartbeat detection, and support for serial udp. Express platform tcp, udp category.

hmac是一种消息验证码，我开发的这个程序可以进行任意长度的消息验证。该程序代码可以用来防止文件篡改，可以适当修改输入密码。-HMAC is a message authentication code, I developed this procedure can be of arbitrary length message authentication. The program code can be used to prevent document tampering, with appropriate modifications can enter a password.

toolbox to deal with dfsu files with matlab

结合ezVidCap.ocx制作地籍档案扫描工作(Combined ezVidCap.ocx Country cadastral archives scanning)

采用socket编程实现的一个双方发送信息的聊天室程序-Use socket programming to send information on the two sides of a chat room program

a dissertation about mathematics, philosophy and computer sciences

visual c++ 实现的视频聊天程序-visual c++ to achieve the video chat program

画图片原理源码程序，调用API函数GetPixel循环取画板坐标点的颜色，再使用画板画点的方法一一画出即成一副图片。(Picture principle source program, call the API function GetPixel cycle takes Sketchpad color coordinate points , then use the drawing board stippled methods eleven Serve draw a picture .)

北航CFD大作业，计算一个二维管流的流动参数，使用有限体积法(In the big operation of CFD, we calculate the flow parameters of a two-dimensional pipe flow by using the finite volume method.)