calculator

主要的利用Java中的JButton和Jlabel实现对登录界面的制作(Making the login screen, mainly the use of JButton and Jlabel)

GIS数据批量导入sde 目前支持shp,coverage,栅格数据批量导入到sde中，可指定目标数据集名称、输出的要素类名称，如果sde中已有该图层数据，则继续追加(GIS data sde currently supports the bulk import shp, coverage, raster data into sde quantities, you can specify the target data set name, the output feature class name, if already in the sde layer data, will continue to additional)

(4)结果映射：将操作数据库的结果按照映射的配置进行转换，可以转换成HashMap、JavaBean或者基本数据类型，并将最终结果返回(result mapping: transform the result of the operation database according to the configuration of the mapping, which can be converted into HashMap, JavaBean or basic data type, and return the final result)

赢在云端，一本描述云计算的书籍，希望对云计算入门的同学有所帮助。(Win in the clouds, a description of cloud computing books, we hope the cloud started to help students.)

calculate catalan number

完整的毕业设计代码，C/S的多方聊天室，连接MYSQL数据库(Complete graduate design code, C/S multi-chat rooms, connecting MYSQL database)

Java是一种可以撰写跨平台应用软件的面向对象的程序设计语言。Java 技术具有卓越的通用性、高效性、平台移植性和安全性，广泛应用于PC、数据中心、游戏控制台、科学超级计算机、移动电话和互联网，同时拥有全球最大的开发者专业社群。(Java is an object-oriented programming language that can write cross platform application software. Java technology has excellent versatility, high efficiency, platform portability and security. It is widely used in PC, data center, game console, scientific supercomputer, mobile phone and Internet. It also has the largest developer community in the world)

c++单纯型法。方法不错，希望对大家有帮助。(The simplex method)

OpenBench LogicSniffer Client

a tool for io, and may help to progtam.