Knowledge Summary of Pack Grabbing

说明：  pop3 server

机会网络模拟器one的程序代码以及相关介绍说明文档，可视化环境(One：opportunity network simulator program code and documentation related presentations, visual environment)

pat题目数字黑洞：给定任一个各位数字不完全相同的4位正整数，如果我们先把4个数字按非递增排序，再按非递减排序，然后用第1个数字减第2个数字，将得到 一个新的数字。一直重复这样做，我们很快会停在有“数字黑洞”之称的6174，这个神奇的数字也叫Kaprekar常数。(Pat Title Digital Black Hole)

蓝蝶无刷新聊天室-blue butterflies set free chat rooms

IEEE 802.11h-2003 IEEE Standard for Information technology―Telecommunications and Information Exchange Between Systems―LAN/MAN Specific Requirements―Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Spectrum and Transmit Power Management Extensions in the 5GHz band in Europe-IEEE 802.11h-2003 IEEE Standard for Information technology-Telecommunications and Information Exchange Between Systems-LAN/MAN Specific Requirements-Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) Specifications: Spectrum and Transmit Power Management Extensions in the 5GHz band in Europe

一个tcp/ip协议栈，实现了包括arp、tcp、udp、http、ftp、动态分配IP等协议-A tcp/ip protocol stack, including the realization of the arp, tcp, udp, http, ftp, such as dynamic allocation of IP agreements

单机版的‘三子棋’游戏-stand-alone version of the "three-game" game

EOF经验正交分解，是一种主成分分析方法用python语言实现，EOF计算得到了几个模态和对应的时间系数(EOF---Orthogonal decomposition of experience, is a principal component analysis method using python language, EOF calculated several modalities and the corresponding time coefficient)

组播发送端，socket通信，Windows网络编程(Multicast sender, socket communications, Windows network programming)