放大镜

一般地，把三角形的三个角A，B，C和它们的对边a，b，c叫做三角形的元素。已知三角形的几个元素求其他元素的过程叫做解三角形。解三角形，常用到正弦定理和余弦定理和面积公式等。正弦定理a/sinA=b/sinB=c/sinC=2R（2R在同一个三角形中是恒(The Triangle software, wrote)

IOCP基本原理介绍，主要介绍了如何使用IOCP进行开发。(Introduce the basic principles of IOCP, mainly on how to use IOCP for development.)

核心实例 POP3上电子邮件的检查,POP3协议，网络编程(POP3 email check)

基于HTTP协议的支持断点续传的下载软件源码(HTTP protocol support for HTTP-based download software source)

再者个网络时代，伴随着有线网络的广泛应用，以快捷高效，组网灵活为优势的无线网络技术也在飞速发展。本文将简单介绍无线局域网相关技术及其相对有线局域网的优势，并具体介绍如何通过VC6.0设计和实现能同时运行在有线局域网和无线局域网上的简单通信软件。(network era, along with cable network widely used to provide a quick and efficient. flexible network edge wireless network technology is also expanding rapidly. This article briefly introduces wireless LAN technology and its relative advantages of the wired LAN. and the specific details of how VC6.0 design and implementation can also run on the LAN cable and wireless LAN simple communications software.)

简易TCP通讯服务器端，QosClt为客户端。多个客户端间的通讯需要基于服务器，即通过服务器转发。(Simple TCP communication server, QosClt for the client. Communication between multiple clients need a server-based, that is transmitted through the server.)

封装帧和解析帧，并有CRC校验，完全是自己手写(Feng binding and parsing frame, and a CRC checksum)

cookie注入工具cookie注入工具

客户服务器TCP/IP通信程序利用WINSOCK编程(client-server TCP/IP communications programming procedures using Winsock)

Visual C++ 网络编程精选实例。TCP/IP,串口网络通信。配书光盘。(Visual C++ network programming selected examples. TCP/IP, serial network communications. CD-ROM with the book.)