表达式的解析，主要是算术表达式的分析，分析成四元式。

命令行下的邮件收集系统,比较简陋... 自己看-Command-line collection system under the e-mail, more simple ... look at their own

wince触摸屏幕的驱动程序源代码-touch-screen of WinCE driver source code

ajax+chat聊天室程序，适合新手练习用-ajax+ chat chat room program

虽然VC6.0是上世纪的开发工具，但不可否认的是它毕竟是一代经典可视化的IDE。这份学习资源希望大家喜欢。-Although VC6.0 is the last century the development of tools, but it is undeniable that it is after all the classic visualization generation IDE. The Learning Resource hope that everyone likes.

象棋，围棋，围捕棋（网络版）.zip 象棋，围 捕棋（网络版）.zip-china chess ,the game of go,

FtpApplet应用程序，实现简单的ftp下载，是应用java编程，在vj在编译运行成功-FtpApplet applications, simple ftp download is the use of java programming, in the build vj successful operation

教你使用MFC编写一个小闹钟程序，初步认识windows编程，提供初学者一个具体的实例。

这是一个计算各种图形面积的java程序，可在里面增加图形来计算，实现简单。-This is a calculated area of a variety of graphical java program, you can increase the graphics to calculate the inside to achieve simple.

支持透明显示的滚动框 -support transparency shown in a rolling box

题目    The 15-puzzle has been around for over 100 years; even if you don"t know it by that name, you"ve seen it. It is constructed with 15 sliding tiles, each with a number from 1 to 15 on it, and all packed into a 4 by 4 frame with one tile missing. Let"s call the missing tile "x"; the object of the puzzle is to arrange the tiles so that they are ordered as:   1  2  3  4  5  6  7  8  9 10 11 12 13 14 15  x where the only legal operation is to exchange "x" with one of the tiles with which it shares an edge. As an example, the following sequence of moves solves a slightly scrambled puzzle: