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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)
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 ...
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 ...
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 ...
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 ...
variables before using them and will create a variable with global scope .the ...