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Programming

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Commonly Used Automatic Variables in Windows PowerShell 2

PowerShell 2 helps you automate functions within Windows. Its automation functions include automatic variables, variables the system defines automatically that are given values based on the condition or [more…]

Commonly Used Comparison Operators in Windows PowerShell 2

As you use PowerShell 2 to help automate your Windows operating system, you use comparison operators to compare one value with another. Some of PowerShell 2's most common comparison operators are listed [more…]

Using Conditional Statements in Windows PowerShell 2

As you automate your Windows operating system with PowerShell 2, you use conditional statements to run different script blocks depending on a specific condition, usually using an [more…]

Performing Loops in Windows PowerShell 2

As you automate your Windows operating system with PowerShell 2, you can automate some of the script you need as well. Loops run the same script block multiple times — often on changing values. A few examples [more…]

Using LINQ Visual Basic Query Clauses with ASP.NET 3.5

ASP.NET 3.5, with its access to LINQ query clauses, is a valuable tool in creating a dynamic Web site, whether you’re designing a site for your ultimate Frisbee team or to offer online shopping to your [more…]

Using LINQ Visual Basic Aggregate Functions with ASP.NET 3.5

ASP.NET 3.5 in tandem with LINQ makes writing queries for your Web site a snap — or at least pretty easy. One of the most-used queries is Aggregate, which helps you find any or all of the queried terms [more…]

ASP.NET 3.5 For Dummies Cheat Sheet

Creating dynamic Web sites is why you use ASP.NET 3.5. It can help you to create a reunion Web site for multiple users or to expand your business site to enable online shopping. And when you integrate [more…]

Windows PowerShell 2 For Dummies Cheat Sheet

With the Windows PowerShell 2 scripting language, you can automate your Windows operating system. During that process, you may need to deal with automatic variables, comparison operators, COM and .NET [more…]

Beginning Programming with Java For Dummies Cheat Sheet

As you start programming with Java, it pays to become familiar with the Java keywords as quickly as possible. These keywords have very specific and very helpful meanings within the language. You can’t [more…]

Code to Use in JavaScript Variable Manipulation Functions

As shown in the following table, you can use these JavaScript statements in your own code to create and modify variables in your JavaScript functions. [more…]

Basic I/O Commands in JavaScript

JavaScript programmers commonly use the commands shown in the following table for controlling dialog-based input and output in programs to be used on the Web. [more…]

JavaScript Conditions and Branching Code Structures

Look to the following table for JavaScript control structures you can use in your program code to add branching and looping behavior to your JavaScript programs. [more…]

Add JavaScript Comparison Operators to Condition Statements

JavaScript uses comparison operators inside conditions to make numeric or alphabetical comparisons of variables to other variables or values. Using these operators, you can determine whether a variable [more…]

Create JavaScript Structures and Objects

JavaScript allows you to put together code lines to create functions and variables to create arrays. You can put functions and variables together to create objects. [more…]

Change Your Web Page with JavaScript Document Object Model Methods

The Document Object Model methods shown in the following table offer you a great way to access and modify your Web pages through your JavaScript code. [more…]

Add Searching Tools with Regular Expression Operators in JavaScript

The regular expression mechanism adds extremely powerful searching tools to your programming. Here are some of the most commonly used regular expressions as they are used in JavaScript. [more…]

Common Methods of the jQuery Node

The jQuery library turns DOM objects into powerful jQuery nodes. The following table shows a few of the more commonly used methods of the jQuery node. [more…]

jQuery Selectors and Filters

Part of jQuery’s power is based on its ability to select particular sections of the page. This table includes several commonly used selectors and filters. [more…]

Add jQuery User Interface Classes to Theme Styles

These CSS classes are defined in a jQuery UI theme. If you’re using jQuery UI, you can add any of these classes to your objects to add the theme styles. [more…]

jQuery Methods for Sending an AJAX Request

As you can see from studying the following table, jQuery supplies several methods for sending an AJAX request to the server and parsing the results. [more…]

JavaScript & AJAX For Dummies Cheat Sheet

The tables you find here offer a one-stop reference for the most common programming variables, commands, methods, and coding miscellany used in JavaScript programs, jQuery, and AJAX. [more…]

Use PHP Statements to Create Programs

PHP programs are a series of PHP statements, executed one at a time. Here’s a list of the PHP statements (with syntax) that you use when writing PHP programs: [more…]

Communicate with a Database through PHP MySQL Functions

PHP communicates with MySQL databases by using a set of functions developed specifically for this purpose. This list shows the syntax of these frequently used functions. [more…]

Access and Adapt a Database with MySQL Queries

PHP communicates with MySQL databases by sending SQL queries. Here’s a list of SQL queries, with their syntax, that you can use to access, view, and alter the database: [more…]

Knowing the MySQL WHERE Clause Format

The WHERE clause is used to modify a DELETE, SELECT, or UPDATE SQLquery. This list shows the format you can use when writing a WHERE clause: [more…]

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