Eight_puzzle

手机客户端和pc服务器端通过socket连接，pc发送信息可以控制手机端拍照(Android client connect to PC server by socket,and PC server can control the phone to take a picture by send to phone a message.)

用JCreator软件编写的一个水中倒影的小程序，希望对有需要的朋友提供帮助。(JCreator software to prepare a water reflection program, I hope to help a friend in need.)

学生成绩管理系统,带数据库,希望能给大家帮助()

说明：  一个类似的日历，数据表的设计。我想了很久，也没有找到一种好办法。如果象Google calendar 一样，可添加月，周，日重复。。数据库里面，我想应该只有一条记录。(A similar calendar, data table design)

记账：记录收入支出情况，随时可查看账单明细(Bookkeeping: recording income and expenditure, the details of the bill can be viewed at any time)

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.)

Brimming with over 100 "recipes" for getting down to business and actually doing XP, the Java Extreme Programming Cookbook doesn t try to "sell" you on XP it succinctly documents the most important features of popular open source tools for XP in Java-- including Ant, Junit, HttpUnit, Cactus, Tomcat, XDoclet-- and then digs right in, providing recipes for implementing the tools in real-world environments.

Basic scroll view example Source Code for Andriod.

说明：  学习案例-基于DB的运用MVC开发模式的登录程序 java源代码+数据库(Study case - login procedure based on DB using MVC development mode Java source code + Database)

本程序是用java写的一个测试人品的小程序，适合java初学者学习之用。 (this program is written in java with a little character test procedures for java beginners learning.)