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Articles related to using variables

Using Variables in Ruby--Assign Information to a Variable - About.com
This tutorial will teach you how to assign information to a variable and how to use variables in Ruby. You'll be using hands-on code, so if you haven't read about ...
http://ruby.about.com/od/tutorials/ss/usevariables.htm
Accessing Ruby Environment Variables - About.com
Ruby has direct access to environment variables via the ENV hash. Environment variables can be directly read or written to by using the index operator with a ...
http://ruby.about.com/od/rubyfeatures/a/envvar.htm
Global Variables - Ruby - About.com
They're denoted by beginning with a $ (dollar sign) character. However, the use of global variables is often considered "un-Ruby," and you will rarely see them.
http://ruby.about.com/od/variables/a/Global-Variables.htm
Using Variables in PHP (Reference Guide) - PHP/MySQL - About.com
A variable is used in programming to represent another value. In PHP variables all start with a dollar sign ($). They can be set to a string or a numeric value.
http://php.about.com/od/learnphp/qt/php_variable.htm
Using Variables from an External Source with Flash's loadVariables()
Before you can load an external file from Flash, you'll need to create the file first. I prefer to use .txt (text) files for basics, and usually set up my variables in ...
http://animation.about.com/od/flashanimationtutorials/ss/loadvariables.htm
Using PHP Session Variables - Tutorial - PHP/MySQL - About.com
Using Session Variables. Now we are going to make a second page. We again will start with session_start() (we need this on every page) - and we will access ...
http://php.about.com/od/advancedphp/ss/php_sessions_2.htm
How to Declare and Initialize Variables in Java - About.com
A variable is a container that holds values that are used in a Java program. To be able to use a variable it needs to be declared. Declaring variables is normally ...
http://java.about.com/od/understandingdatatypes/a/declaringvars.htm
Defining Variables - JavaScript - About.com
Introduction. In this tutorial we will build on what we learned with our first script by creating a variable and displaying the value of that on our web page instead of ...
http://javascript.about.com/library/bltut02.htm
How to Navigate Using Environment Variables in Windows - Antivirus
When searching a particular folder or performing some other operation via the Start | Run menu, the use of environment variables can save typing and thus cut ...
http://antivirus.about.com/od/virusrepairhowtoguides/ht/environment_variables.htm
Instance Variables in Ruby - About.com
Instance variables are some of the most common and important variables types in Ruby. They begin with the at sign (@) and allow objects to track their internal ...
http://ruby.about.com/od/variables/a/Instance-Variables.htm
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