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Articles related to global variables

Global Variables - Ruby - About.com
Global variables are not often used in Ruby, however, you should at least understand their usage should you ever encounter them.
http://ruby.about.com/od/variables/a/Global-Variables.htm
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?
http://ruby.about.com/od/qa/ss/Variables-Declared-In-The-Global-Scope.htm
Build In Global Variables - Ruby - About.com
Ruby defines a number of built in global variables you may find you need at one point.
http://ruby.about.com/od/beginningruby/ss/Predefined-By-Ruby.htm
Variable Scope - JavaScript - About.com
There is one situation where a global variable becomes temporarily inaccessible and that is if you define a local variable having the same name. Here's an ...
http://javascript.about.com/library/bltut07.htm
Variable Scope (Delphi For Beginners) - About.com
Depending on where we declare a variable, the variable can be thought of as a true global variable accessible by any other code in the application, or a ...
http://delphi.about.com/od/beginners/l/aa060899.htm
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 ...
http://javascript.about.com/od/3functions/a/fun06.htm
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 ...
http://ruby.about.com/od/variables/a/Everything-You-Need-To-Know-About-Variables.htm
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 ...
http://ruby.about.com/od/rubyfeatures/a/envvar.htm
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 ...
http://ruby.about.com/od/variables/a/Local-Variables-And-Bindings.htm
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 ...
http://javascript.about.com/od/problemsolving/a/scope.htm
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