实现DDNS，动态域名解析的源代码，可以根据需要裁剪和添加

实现PING功能，可以检查网络延时，确定网络性能，但目前未支持DNS方式，只能对IP进行PING 处理。

公交管理系统查询-management system for bus

socket.IO-objc seems more complete and has a better documentation, but I"d also like to know which advantages does AZSocketIO provide to consider if these advantages are important enough for my project to choose one or the other.

网站CA认证源代码-website CA source code

socket 通讯客户端测试。针对二配一卡通写的测试程序，服务端为油管系统socket

Through the socket file upload function,It has simple operation, programmers can be modified on this basis, the use of socket learning methods for beginners to learn.

该程序完全是为了演示HTTP的客户编写的，因此运行时必须在本机有开HTTP服务才行。-the program is to demonstrate the preparation of HTTP clients, and therefore must be run in the machine is open HTTP domestic demand.

com写的网络ip地址挂起的程序-com write network ip address hang procedures

计算机网络－自定向下方法与Internet特色 非扫描高清-Computer network- under way since the directional characteristics of non-scan high-definition Internet

一个小型的网络聊天服务器和客户端，可用于网络学习-a small network chat server and client, can be used for e-learning