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是个简单的计算器JAVA程序，程序有带部分说明，调试成功。(It is a simple calculator JAVA program, the program with some of the instructions, debugging success.)

一个用jsp写的聊天室(jsp write with a chat room)

使用java实现的RFC1945 http1.0协议。所有面向对象设计严谨按照RFC 1945协议中的描述。源代码逾4000行。提供给Java网络编程初学者学习(Java achieved using RFC1945 http1.0 agreement. All well-structured object-oriented protocol in RFC 1945 in accordance with the description. The source code of more than 4000 lines. Java network programming to beginners learning)

hadoop是众所周知的云计算平台，hadoopGIS是基于hadoop进行云GIS试验的成果，实现在云环境下的数据存储、读取等功能(hadoop is well known cloud computing platform, hadoopGIS for cloud hadoop GIS based on test results, achieved under the cloud of data storage, reading and other functions)

说明：  MIDP2.0的基本应用，包括铺图，精灵的逻辑处理，的一款坦克大战小游戏(MIDP2.0 basic applications, including shop plans, the wizard of logic, of a Battle City game)

这是一个简单的pop3客户端程序模版(This is a simple pop3 client template)

根据ArcSoft的工具包设计的简单人脸识别DEMO，仅供学习。APPID等需要到ArcSoft注册一个应用获得 开发环境准备：###开发使用到的软件和工具：Jdk8、mysql5.7、libarcsoft_face.dll(so)、libarcsoft_face_engine.dll(so)、libarcsoft_face_engine_jni.dll(so)、idea注：libarcsoft_face.dll(so)、libarcsoft_face_engine.dll(so)、libarcsoft_face_engine_jni.dll(so)、app-id、sdk-key可以到虹软官网 http://ai.arcsoft.com.cn/ 免费申请下载本地配置：配置环境(推荐jdk8，mysql5.7，maven3，idea)引擎库libarcsoft_face、libarcsoft_face_engine、libarcsoft_face_engine_jni。把dll或so文件拷贝到java.library.path所包含的路径下,注意区分X86和X64，和当前jdk版本一致。初始化项目 创建数据库arcsoft_face_demo，执行脚本arcsoft_face_demo.sql使用idea启动项目修改配置文件srcmainesourcesapplication.properties填写数据库地址：spring.datasource.druid.url填写数据库用户名：spring.datasource.druid.username填写数据库密码：spring.datasource.druid.password填写人脸识别id：config.freesdk.app-id填写人脸识别key：config.freesdk.sdk-key启动项目右键Application，选择Run ‘Application’项目访问地址http://127.0.0.1:8080/demo

Android编程手册，英文版，前面一部分与android的SDK文档差不多，后面部分比较有参看价值，具体目录见英文描述！(Android A Programmer’s Guide New York Chicago San Francisco Contents at a Glance(目录) 1 What Is Android? 2 Downloading and Installing Eclipse 3 Downloading and Installing the Android SDK 4 Exploring the Android SDK 5 Application: Hello World! 6 Using the Command-Line Tools and the Android Emulator 7 Using Intents and the Phone Dialer 8 Lists, Menus, and Other Views 9 Using the Cell Phone’s GPS Functionality 10 Using the Google API with GTalk 11 Application: Find a Friend 12 Android SDK Tool Reference)

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)

ssd3 unit1编程参考答案，经过实践检验 绝对 正确(The answer of ssd3 unit1)