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Articles related to using variables

Using Variables in Ruby--Assign Information to a Variable - About.com
Learn how to use variables in Ruby, assign them information using the assignment operator and pass to a variable using the "puts" function.
http://ruby.about.com/od/tutorials/ss/usevariables.htm
Variables - Ruby - About.com
What are Variables and how to use Variables in Ruby.
http://ruby.about.com/od/beginningruby/a/variable.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
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
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
Global Variables - Ruby - About.com
Global Variables are variables that may be accessed from anywhere in the program regardless of scope. They're denoted by beginning with a $ (dollar sign)  ...
http://ruby.about.com/od/variables/a/Global-Variables.htm
Everything You Need to Know About Variables - Ruby - About.com
Ruby maintains tables of known variables and their values for each lexical scope and instance referred to as bindings. Once you start using a variable, Ruby ...
http://ruby.about.com/od/variables/a/Everything-You-Need-To-Know-About-Variables.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
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
Using PHP Session Variables - Tutorial - PHP/MySQL - About.com
Once you have set a variable in a PHP session, this tutorial tells you how to retrieve it.
http://php.about.com/od/advancedphp/ss/php_sessions_2.htm
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