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.
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. ... Duplicating the names makes the global variable invisible to the procedure (Delphi doesn't tell us ...
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 ...
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 ...
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 ...