useradd

说明：  本书系统地介绍了SWT、Draw2D、GEF、JET 等与Eclipse 插件开发相关的基础知识，并且以实际的开发案例来演示 这些知识的实战性应用，通过对这些实际开发案例的学习，读者可以非常轻松地掌握Eclipse插件开发的技能，从而开发出满 足个性化需求的插件(Case to demonstrate the actual development of these practical application of knowledge through the development of these practical case study, the reader can very easily grasp Eclipse plug-in development skills to develop products that meet the individual needs of the plug-in.)

信息论中的信息 ppt课件 自信息量 信息增益 熵 内容不错 推荐(Since the amount of information entropy information gain)

说明：  千年3大千登陆器，下载后解压到客户端就可以用。(daqiandengluqideganhuo)

可用来抓取美国晨星上的美股的市场。配置完需要的美股名，程序会自动查询美股所在的市场，然后抓取。带所有的需要的库，导入eclipse就可以用。(Can be used to grab market stocks on the American Morningstar. Stocks finished configuring the required name, the program will automatically check stocks where the market, then crawl. With all the required libraries, import eclipse can be used.)

这段代码是用来理解 polymorphism 多态，写的很详细，适合初学者！(This code is used to understand the polymorphism polymorphism, written in great detail, suitable for beginners!)

该工具是一petri网模拟器，可用来进行petri网的模拟，方便好用(this is a petri network simulator simulate the petri network)

java project in swing

时间日期服务器(Date and Time Server)

说明：  用于web编程发送短信的实现的activex的接口代码(Send text messages for web programming interface code implemented activex)

Java手机象棋，界面设计简洁，操作简单，实现智能规则判断，支持大型Web服务器，以Http 协议通信。内附doc和pdf文档(Java mobile chess, interface design is concise, simple operation, intelligent judging rules, support large Web server, with the Http protocol communication. Enclosed doc and PDF documents)