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RSS订阅原创 C++ 实例2
2.3 计算e的值和求素数 e是自然对数的底，它和π一样是数学中最常用的无理数常量。其近似值的计算公式为： e=1+1/1!+1/2!+1/3!+...+1/(n-1)!+r 当n充分大时，这个公式可以计算任意精度e的近似值。为了保证误差r r) <ε 程序代码如下： // program 2_4.cpp #include void main() { const
2006-11-23 19:58:00
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原创 C++编程实例 (笔记)
1.1 简单的C++程序 // program 1_1.cpp #include void main() { cout<<"Lets learn to write a C++ Program."; cin.get(); } 此程序由6行组成， 1)第1行为注释，程序的每行如出现符号" // "，则其右的所有符号为注释。注释是帮助阅读程序的说明，与该程序运行没有
2006-11-23 19:50:00
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转载 好东西C++
主 题： 学习C++的一点体会作 者： wangdanbo (螃蟹) 等 级： 信 誉 值： 100所属论坛： C/C++ C++ 语言问题点数： 20回复次数： 182发表时间： 2006-8-4 20:12:131。关于要不要学习C++？（结论：要学，一定要学！）如今在网上很多为要不要学C++争的不可开交，因为现在JAVA，C#，。
2006-11-17 20:26:00
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原创 What is SQL?
SQL (pronounced "ess-que-el") stands for Structured Query Language. SQL is used to communicate with a database. According to ANSI (American National Standards Institute), it is the standard language f
2006-09-16 12:40:00
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原创 Making Your Computer Do Something: Writing Your First Procedure
In this lesson, you will learn how to create a procedure, a self-contained block of code that can be run from other blocks of code, and then how to create parameters for your procedures.A procedure
2006-09-15 09:02:00
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原创 Comparisons: Using Expressions to Compare Values
In this lesson, you will learn how to use comparison operators to create expressions that compare values.In the last lesson, you learned how to use arithmetic operators to create numeric expressions
2006-09-15 08:58:00
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原创 Arithmetic: Creating Expressions With Variables And Operators
In this lesson, you will learn how to create expressions to perform arithmetic and then return values.An expression is a segment of code that performs arithmetic and then returns a value. For examp
2006-09-14 22:17:00
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原创 Arrays: Variables That Represent More Than One Value
In this lesson, you will learn how to use arrays to store groups of values.As you learned in the previous lessons, variables are used to store different types of data for use by your program. There
2006-09-14 22:11:00
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原创 Words and Text: Using String Variables to Organize Words
In this lesson, you will learn how to use the String data type to represent words and text.In the previous lesson, you learned how to use variables to store data in your program, and that each varia
2006-09-14 22:02:00
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原创 Representing Words, Numbers, and Values with Variables
Variables are an important concept in computer programming. A variable is a letter or name that can store a value. When you create computer programs, you can use variables to store numbers, such as th
2006-09-14 21:39:00
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原创 The Basics: How Programming Works
Before you jump in and start learning the Visual Basic programming language, it may help you to understand what a programming language is and how it works, including some programming terminology. T
2006-09-14 21:26:00
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原创 对VB6.0的第一步认识
VIsual 是什么意思? 它是指开发图形用户界面的方法,在Visual 下 不需要用大量的代码去描述界面元素的外观与位置.Basic 是什么意思? Basic是 Beginners All-Purpose Symbol Instruction Code的缩写 你一定还不晓得吧!Visual Basic 中的一些基本概念: 一;对象和类 二;属性
2006-09-11 22:17:00
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原创 projects types in Visual Basic 2005 Express Edition
Project template Used to create Windows Application Template Used t
2006-09-11 11:53:00
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原创 Word List 1(2)
access1. 接近,进入;接近的机会,进入的权利;使用[U][(+to)]access broadcasting向公众开放的节目播送(电台、电视台开放给少数民族或利益团体传递讯息或做宣传的节目播送)Only a few people have access to the full facts of the case.只有少数几个人能看到有关该案全部事实的材料。2. 通
2006-09-11 11:08:00
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原创 Word List 1(1)
abandon The baby was abandoned by his teenage mother. The guests at the party danced with abandon.abbreviate The editor abbreviated the novel for the young readers. "Mister" is usually
2006-09-11 10:21:00
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