The latest version of Automator (in OS X 10.5 Leopard) has several handy new features. Among the most useful: variables and looping. Unfortunately, unless you’re an experienced scripter, they’re also ...

I'm writing a Javascript to validate a form. The form is created dynamically and has a grid of dropdown menus, in a square.(3x3 or 5x5, for now) I want to create a loop that will go through each of ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...

One of our favorite nuances of the C programming language (and its descendants) is the static keyword. It’s a little bit tricky to get your head around at first, because it can have two (or three) ...

Learn how to use statements like if, if-else, switch, for, and while to declare variables and specify expressions, make decisions, iterate over statements, and more. Java applications evaluate ...

A change to the implementation of for loops in Go 1.22 avoids accidental sharing bugs. Runtime optimization also is enhanced in update. Google’s Go (golang) language has reached version 1.22, bringing ...