Nowadays JavaScript has three different keywords to declare a variable — var, let and, const. Each has its own properties and particularities. Let’s start by making a simple comparison table of the ...

Does it ever make sense to declare a variable in C or C++ as both volatile (in other words, “ever-changing”) and const (“read-only”)? If so, why? And how should you combine volatile and const properly ...

Variables hold a wide variety of information temporarily. The JavaScript data types that can be stored in a variable include: JavaScript variables can hold a few other kinds of data, but these are by ...

I'm part of a coding project that's written in Perl. We've acknowledged the world's moved on, plus Perl allowed (sometimes encouraged!) some crummy coding habits. So the general consensus is we'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 ...

In Java Futures at QCon New York, Java Language Architect Brian Goetz took us on a whirlwind tour of some recent and future features in the Java Language. In this article, he dives into Local Variable ...