Another Library of String Functions

创建 GUID 创建 GUID 创建 GUID 创建 GUID 创建 GUID 创建 GUID

合式公式的判断，根据输入的公式判断是否是合式公式，数理逻辑-Well-formed formulas of the judge, according to the formula to determine whether the input is a well-formed formulas, mathematical logic

JBuilder - Getting Started with Java (2002)-JBuilder- Getting Started with Java (2002)

TCP的源库，好-TCP source-sink, good Dongdong

实例04-定时发送消息-04-time messaging

小型便利店进销存管理系统，该系统配扫码仪一起使用，进货扫码入库，销货扫码销货，制定价格种类，记账，纯客户端应用程序，如计算机出现故障，可备份数据库。

得到系统错误信息-Getting the systems error message

列出windows进程列表中的个进程所占cpu的百分比-List windows process list of the process of the percentage share of cpu

AT90S8515与点阵液晶模块的C语言编程实例源程序-AT90S8515 dot matrix LCD module with the C programming language source code examples

本系统可以被管理员、图书馆工作人员、和读者三种身份的人员通过帐号和密码以不同身份登陆到本系统，并实现各自的功能操作。-Intruction: Administrator, worker in library and readers can log in this system according to the user name and password respectly,then do some operations granted.