VC++ 弹出和关闭光驱CDROM托盘盒

算数表达式解析器,专门用于分析算数表达式的程序-count expression parser devoted to the analysis of the expression validated procedures

回文判断：对于一个从键盘输入的字符串，判断其是否为回文。回文即正反序相同。如“abba”是回文，而“abab”不是回文。-Palindrome judge: for a string from the keyboard input, determine whether the palindrome. Palindrome sequence that is the same as the pros and cons. Such as " abba" is a palindrome, and the " abab" is not a palindrome.

dos学习程序 学习dos必备哦 希望对大家有用-dos learning process is essential to learn dos Oh, you want to be useful

快速设置屏幕分辨率,VB语言的,比较好用,我试过

在程序中如何更改缺省打印机，在vb下如何做到？-In the procedure how to change the default printer in vb how to do this?

问题描述: 一杯沸水冷却，圆柱体模型，底面半径0.05m，高0.1m，周围温度20度，初始水温100度 方程是四维输运方程（常数a^2=k/(c*p)，k是热传导系数0.6006焦/（米*秒*度）） 初始条件：t=0时水等于100度 边界条件：1.上下壁都是自由冷却，第三类边界条件，周围温度保持在20度（H=k/h,h取1） 2.杯壁绝热，第二类边界条件 图形显示格式,取过圆柱轴的截面温度变化将其做成动画. -Problem description : a cup of boiling water cooling cylinder model, the bottom radius of 0.05m, 0.1m high. temperature around 20 degrees, initial temperature of 100 degrees equation is four-dimensional equations (a constant ^ 2 = k/(c* p), k is the thermal conductivity coefficient of 0.6006 Coke/(m** seconds degrees)) initial conditions : t = 0 to 100 degree water boundary conditions : 1. upper and lower walls are free cooling, the third boundary conditions, maintain the temperature around 20 degrees (H = k/h, h for 1) 2. Beibi insulation, The second category boundary conditions graphics format, cylindrical shaft for the cross section of its temperature changes caused animation.

用于测试串口的小程序..用在上位机上-Serial port for testing a small program ..

Delphi毕业设计 工资管理系统，具体来说是一套教师工资管理系统，功能模块：人员资料添加、人员删除管理、操作员管理、员工基本工资管理、员工浮动工资管理、工资发放管理、工资调整管理与报表管理等几大模块。界面方面做的也挺不错，作为一套Delphi版的学生毕业设计，我想应该过关了。 　　本套工资管理系统数据库基于SQLSERVER，备份文件在Database目录下。

关于c++做的系统管理，还包含有详细文档说明-With regard to c++ to do system management, but also includes a detailed documentation

在ＴＣ３.０下运行可以成功　　从Ｃ里面改来的-in TC3.0 can successfully run from C to the inside reform