检测是否连接到Internet

C语言模块化编程每个模块需要的话相互调用，我想自己接下来的程序能够用C写的就用C来写，实在没有办法的时候就用汇编，或者用混合编程：-Modular C Programming Language

数据库备份与恢复的程序-database backup and recovery procedures

Visual Panel Virtual Mouse, Keyboard and 3D Controller with an Ordinary Piece of Paper 机器视觉--虚拟鼠标-Visual Panel Virtual Mouse, Keyboard and 3D Controller with an Ordinary Piece of Paper Machine Vision- Virtual Mouse

期货交易计算器、计时器-futures calculator, timer

如何让CDC上输出的文字、图形具有保持功能，集合类CPtrArray的使用，CPaintDC与CClientDC的区别与应用，OnPaint与OnDraw在CView中的关系及实现内幕，滚动窗口的实现，坐标空间，映射方式，设备坐标与逻辑坐标的转换。元文件设备描述表的使用，如何利用兼容DC实现图形的保存和再现。-CDC on how to output text, graphics have to keep feature, CPtrArray use of collections, CPaintDC with CClientDC and application of the distinction, OnPaint and OnDraw in CView relations and realize the insider, the realization of a rolling window, the coordinates of space, mapping the way device coordinates and logical coordinates conversion. Metafile device use, how to use DC-compatible graphics realize the preservation and reproduction.

本代码提供对动态数组的支持，在内存中程序将数据分块存放，避免了大块内存的申请。同时，与普通的双向链表不同，本代码提供了对内部数据的快速索引，大大提高了数据访问速度-The code provides for dynamic array support program in memory data block storage, to avoid the large memory applications. At the same time, with ordinary two-way different list, the source of internal data to provide rapid indexing, greatly improving the speed of data access

我正在学习虚拟漫游，我整理遇到的编译错误和解决方案，如果你也是一个初学者，你也一定会遇到这些错误的。-I" m learning a virtual roaming, I collate compile errors encountered and solutions, if you are a beginner, you will encounter these errors.

s3c 2410用户手册，包括芯片内部寄存器、外部设备等-s3c 2410 user manual, including the chip internal registers, external equipment, etc.

提出了DVD租聘的简化模型.曾获国家数学建模一等奖.-Put forward a DVD rental of the simplified model employed. Won the national first prize for mathematical modeling.

php开发过程中，经常会遇到操作XML文件，这里把php操作xml的一些常用方法做了一些封装，欢迎大家下载。里边有这个xml操作类的使用方法