双调旅行售货员问题C++

文回顾与评述了三维GIS的相关发展情况，探讨了三维GIS的有关基本问题，如数据获取、大数据量存贮与处理、三维空间分析，同时指出科学计算可视化、数据库系统管理、数字影象处理等技术的成熟和二维GIS长期发展提供的理论实践经验等为三维GIS的发展提供了良好的基础。最后为三维GIS实际系统的开发提出了几个值得注意的要点。-In this paper,the review and comment on the development of 3 dimension GIS are first made.Then the basic aspects about 3D GIS,such as data acquisition,storing and processing of mass data,analysis of 3D space,are discussed.Meanwhile, it points out that the techniques such as scientific computation visualization,database system management and digital image processing,and theories and experiences provided by development of 2D GIS offer a better platform form the development of 3D GIS.Finaally,some key points in developing practical system of 3D GIS is proposed.

一个纯文本(Text)转换成PDF格式 的 C++ 实例，简单实用，欢迎选用。   

支持阻塞与非阻塞模型且线程安全的环形缓冲的设计与实现-obstruction and support non-blocking security model is threaded circular buffer Design and Implementation

二维数组编程，帮助大家理解二维数组的存储和读取模式！-Two-dimensional array of programming, to help everyone understand the two-dimensional array of storage and read mode!

基于c语言开发的40KHz超声波产生与发射程序，适用于51系列单片机-C-based languages have developed and launched 40KHz ultrasonic procedures, applicable to 51 Series Single Chip

USB HID example code

windows application, mic recording source, low level code

简单的约会系统~~ 添加信息，并保存到TXT文档中~~ 控制台应用-A simple dating system ~ ~ add information, and saved to the TXT documents~~ console application ~ ~

用C语言编写的数据库可以对数据进行查询、排序、检索和引用，应精简小学习。

一个简单的数据库C++读取的例子-a simple database access example C