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Articles related to global variables

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)  ...
Variables Declared in the Global Scope - Ruby - About.com
I declared a variable in the global scope, and now I can't access it. What's going on here?
Build In Global Variables - Ruby - About.com
Ruby defines a number of built in global variables you may find you need at one point.
Variable Scope (Delphi For Beginners) - About.com
Delphi For Beginners: Object Pascal Variable Scope. ... declare a variable, the variable can be thought of as a true global variable accessible by any other code  ...
Variable Scope - JavaScript - About.com
Global and Local Scope. If you look back at the previous tutorials you will notice that we always defined a variable before we tried to access it. The reason for this  ...
Everything You Need to Know About Variables - Ruby - About.com
There, you really only have global and local variables as well as values obtained via malloc (and pointed to with global or local pointer variables). The Ruby ...
JavaScript Functions - Returning a Value - About.com
While updating global variables is one way to pass information back to the code that called the function, this is not an ideal way of doing so. A much better ...
Accessing Ruby Environment Variables - About.com
Using environment variables in Ruby. ... Introduction to Linux · $ENV environment variable · The Bash set Command · Global Variables · Introduction to Linux ...
Local Variables and Bindings - Ruby - About.com
If you were to prepend a symbol to any variable accesses such as the $ (dollar sign), Ruby would then go to the global variable binding to resolve that variable ...
The Scope of Variables - JavaScript - About.com
In fact the biggest problem with JavaScript is that it doesn't insist on your defining variables before using them and will create a variable with global scope .the ...
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