Programming

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C Language Comparisons and Their Opposites

Programming in C, or any programming language, means building comparisons — greater and lesser than and equal to in various combinations. Get to know the comparisons C uses and their opposites: [more…]

Order of Precedence in C Programming Language

If you're programming with C, you're using operators — and knowing whether to read those operators from left to right or right to left means writing a C program that works and one that crashes. Use the [more…]

C Language Variable Types

Whether you're working with regular or unsigned variables in your C program, you need to know a bit about those various variables. The following table show C variable types, their value ranges, and a few [more…]

C Language Operators

In programming with C, you occasionally want to use common mathematical operators for common mathematical functions and not-so-common operators for logic and sequence functions. Here's a look at C language [more…]

C All-in-One Desk Reference For Dummies Cheat Sheet

When working in the C programming language, you need to be familiar with how C does things — for example, its order of precedence, variable types, operators, and comparisons and their opposites. [more…]

XHTML Strict Template

Getting started on a Web pageis sometimes the hardest part of a task. The fastest and best way to get your Web page underway is to use the following standard XHTML template: [more…]

Common XHTML Syntax

As a Web designer, you will do a lot of tagging in XHTML. The following table lists the most common XHTML tags you will need to know while you're building great Web pages. [more…]

Selected JavaScript Syntax

JavaScript is still one of the most used programming languages, especially for client-side programming, and the following table offers a summary of the most useful functions and what they do. [more…]

Named Colors and Hex Values in HTML

The following table contains a list of named colors you can use in HTML and CSS code to create a more colorful Web site. The colors are given with their corresponding RGB hexcode values and a representative [more…]

New HTML 5 Elements

Below is a list of all the new elements proposed for introduction in the HTML5 specification in alphabetical order, with a brief description and an associated markup category. [more…]

A Sample Web Page in HTML

When you're creating Web pages, you use HTML — a lot! The following sample shows the HTML formatting and codes you use to create headings and titles, lists, lines, and images as well as [more…]

Web Authoring Resources

When you're creating Web pages, you can benefit a lot from other people's expertise. On the Web, a lot of people are only too happy to offer their advice — often free of charge! The following list offers [more…]

Common HTML Tags for Creating Web Pages

If you're creating Web pages, you can't escape using HTML, and really, why would you want to? The Web language translates your glorious ideas into engaging Web pages. The lists here offer the basic HTML [more…]

HTML Entities for Special Characters

To put special characters in the Web pages you create, you use escape sequences or entity references, both of which are shown in the table here. Test your special characters in several current Web browsers [more…]

Phases of SQL System Development

In developing any system, you start at the beginning and go through to the end, and it's no different with SQL. The following list shows you what to consider at each phase of the SQL development lifecycle [more…]

SQL Criteria for Normal Forms

In SQL, normal forms are defining characteristics of relational databases. SQL forms get classified according to the types of modification anomalies they're subject to. First, second, and third normal [more…]

SQL Data Types

Depending on their histories, different SQL implementations support a variety of data types. The SQL specification recognizes nine predefined general types, shown in the lists below [more…]

SQL Value Functions

You use SQL value expressions to combine two or more values. Several kinds of SQL value expressions exist, corresponding to the different data types; the following tables list string, numeric, and datetime [more…]

SQL Set Functions

Sometimes, the information that you want to extract from an SQL table doesn't relate to individual rows but rather to sets of rows. SQL provides five set [more…]

SQL WHERE Clause Predicates

The WHERE clause is an SQL filter that passes rows that meet the search condition and rejects rows that don't meet the condition. By including WHERE clauses in your SQL SELECT statements, you can restrict [more…]

SQL All-in-One For Dummies Cheat Sheet

SQL is a popular and useful programming language. You can make SQL even more useful if you know the phases of SQL development, the criteria for normal forms, the data types used by SQL, a little bit about [more…]

Common Shortcuts in VBA-Access 2007

Knowing the most popular keyboard shortcuts in VBA-Access 2007 will help you work more efficiently. Use this shortcut chart until you learn the keyboard combinations and their functions: [more…]

Shortcut Keys to Debug Code in VBA 2007

Avoiding bugs or errors means you have to be precise when writing code in a programming language. Luckily, using these shortcuts will debug code quickly in VBA: [more…]

Common Shortcut Keys in VBA 2007 Editor

Writing, editing, and testing your VBA code in Visual Basic editor will run more smoothly if you learn these helpful shortcut keys and their functions: [more…]

VBA 2007 Shortcuts for Immediate and Code Windows

To get your tasks done quickly in the Immediate window (which lets you run code anytime, right on the spot) and Code window (used for writing, editing, and viewing VBA) use these VBA shortcuts: [more…]

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