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. ... In C and C++, any variables declared at the file level are said to be in the "file scope," and ...
Build In Global Variables - Ruby - About.com
Ruby defines a number of built in global variables you may find you need at one point.
Determining the scope of variables. ... There is one situation where a global variable becomes temporarily inaccessible and that is if you define a local variable ...
Variable Scope (Delphi For Beginners) - About.com
Since Delphi requires us to declare variables, it's a lot harder to fall into the .... Better way to initialize global variables is inside initialization section of the unit.
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 ...
Local Variables and Bindings - Ruby - About.com
Ruby has a no-surprise take on local variables, they're handled similarly in most ... would then go to the global variable binding to resolve that variable access.
Accessing Ruby Environment Variables - About.com
Environment variables are variables passed to programs by the command line or the graphical shell. Though there are a number of environment variables that ...