calculator

说明：  jQuery.validate.js文件(jQuery.validate.js file)

这也是我们学完java之后的一个大型的作业,有用得着的可以拿去看看()

2.设计一个简单的课程管理系统（CourseManager）。主要功能包括： (1)课程信息的录入。主要包括：课程号（no）、课程名（name）、学分（grade）等； (2)课程信息的查询。根据课程号、课程名和学分等查询课程的信息。注意：查询结果可能不唯一。 (3)课程信息的修改。根据课程号查询到指定课程的信息，再用新的内容替换。 (4)课程信息的删除。根据课程号删除指定课程的信息。 设计时，采用层次化设计法，将类分为界面层（ui）、功能层（business）和持久层（persistence）3层，放在不同子包中。整个系统的代码放在exe4_2包中。(2. Design a simple course management system (CourseManager). Key features include: (1) entry program information. Including: course number (no), course name (name), credits (grade) and the like (2) information about courses. Information based curriculum, course name and credit and other inquiries courses. Note: query results may not be unique. (3) Course modify information. Inquiry based curriculum to the specified courses, and then replaced with new content. (4) Delete course information. Remove a specified course of information based curriculum. Design, the use of hierarchical design method, the class is divided into the interface layer (ui), the functional layer (business) and persistence (persistence) 3 layers in different sub-packages. The system code in the exe4_2 package.)

说明：  Android 系统中 USB Camera的测试测试demo(Test demo of USB camera in Android system)

说明：  中国联通短信业务开发源码 开发接入程序必须有一定的socket编程基础， 且必须熟悉sgip1.2协议才可以，我应一位网友的要求将我开发的短信接入程序源代码发布，希望对开发短信业务的朋友提供一些帮助，代码可自由传播。(sms sound code)

说明：  ipdatabase 二叉树快速搜索IP地址数据库 数据 数据源采用2015年广告协会制定的IP地址标准数据库，中国互联网广告行业统一采用的标准IP库。 原理 利用二叉树实现IP查询，首先将10进制IPV4地址转化为二进制构建二叉树，利用二叉树搜索进行搜索，查询时间复杂度log2n，比传统IP库n的查询速度高出一个量级。(Ipdatabase Binary Tree Fast Search IP Address Database data The data source is the standard IP address database formulated by the Advertising Association in 2015, and the standard IP database adopted by the Internet advertising industry in China. principle The binary tree is used to realize IP query. Firstly, the 10-bit IPV4 address is converted into binary to construct a binary tree, and the binary tree search is used to search. The query time complexity log2n is one order of magnitude higher than that of traditional IP library n.)

基于struts的新闻发布，适合初学者，稍作修改可以作为自己的网站(struts on the press releases, for beginners, to make some modifications as their own websites)

多媒体教室管理系统 功能很明确 页面简洁 (Multimedia classroom management system functions very clear simplicity of the page)

文件管理系统 shixianwenjianshangchuanhuozhexiazai(Document Management System)

这是一个图形编辑器，使用myecli开发，自己做的课程设计，附上文档(This is a graphical editor, myecli develop their own curriculum design, and attach documents)