MySQL user-defined variables are used to pass values from one statement to another. They are connection specific. Values cannot be created by one client and used by another client. The variables are ...

Programming C without variables is like, well, programming C without variables. They are so essential to the language that it doesn’t even require an analogy here. We can declare and use them as ...

The set command is a very basic shell command, used to assign values to variables for any kind of manipulation, but it can also be used to assign each piece of text in a line of text to a separate ...

It's absolutely critical that you understand how to scope your variables correctly. Making mistakes in this basic process can cause your application to fail or otherwise behave unexpectedly. If you're ...

In my last two articles, I discussed how to read and write to files using Visual Basic Scripting Edition (VBScript). This week we discuss how to declare and use variables, constants and strings. In ...

Variables are just about the most ubiquitous element inside any PowerShell script. Variables can easily be created and referenced inside your script. But sometimes you just need to test to see if they ...