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.
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 ...
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) ...
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.
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 ...
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 ...
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.
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 ...
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 ...
Variables - Ruby - About.com
What are Variables and how to use Variables in Ruby.