基于QT的im源码
基于qt开发的即时通信程序,可以支持登陆,聊天,注册,查找等功能。基于tcp连接
copy from the Introduction: This introduction gives an overview of the major concepts and features of the C++ programming language and its standard library. It also provides an overview of this book and explains the approach taken to the description of the language facilities and their use. In addition, the introductory chapters present some background information about C++, the design of C++, and the use of C++.