lastchanceSWP

It help you to find the center of an ellipse

前台实现grid的自动过滤，很好用，可以自己进行拓展。(Front to achieve the automatic filter grid, well used, can themselves expand.)

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)

说明：  Java cookbook for primefaces developers

R*树，具有添加，删除，查询节点功能，是搜索算法中的一种，常用于GIS软件中。(R* tree, with add, delete, query node function, is a search algorithm, commonly used in the GIS software.)

java书籍ppt 里面有很多教程 值得参考使用(There are many tutorials in Java books worth referring to.)

宠物商城 是一个学习的好教材 javascript(Pet store is a good learning materials)

说明：  人事管理系统，专门做人事管理，增删改查人员信息，账号绑定(Personnel management system, specializing in personnel management, adding, deleting and modifying personnel information, account binding)

本文件为简易聊天系统源码，分为客户端和服务器端，可完成单人聊天、多人聊天、发布公告、查看日志等功能。是一个简易的仿qq的聊天系统，可在eclipse环境下运行(it is code for chat under eclipse)

If the user has a lock pattern set already, makes them confirm the existing one.