A map is an associative array that uses key/value pairs that do not change. This is a perfect way to store phone numbers, for example. Here, you might use the numbers as the values and the names ...

To see how associative arrays work, we’re going to look at both the Korn shell and Perl, though only the newest version of the Korn shell (referred to as “korn93”) supports associative arrays.

As you may, or may not, be aware the right wing press has recently been in an uproar over Obama's refusal to release information about donations of less than $200 - and they're also upset because ...