Tutorial and sample codes to calculate the distance between two locations. Free sample source codes in PHP, ASP, ColdFusion, C/C++, C#, Java, Perl, Visual Basic and Javascript. Longitude and latitude for United States ZIP Code and Canadian Postal Code are available in database subscription from http://www.zipcodeworld.com.

The new Inline module for Perl allows you to write code in other languages (like C, Python, Tcl, or Java), as well as toss it into Perl scripts. Unlike previous ways of interfacing C code with Perl, Inline is very easy to use, and very much in keeping with the Perl philosophy. One extremely useful application of Inline is to write quick wrapper code around a C-language library to use it from Perl.

Those who use Perl as a programming language frequently forget that it is just as useful as a quick and dirty scripting engine for command-line operations. From the command line Perl can accomplish, in just a single line, tasks that require pages of code in most other languages. This article takes you through some useful examples.

This is a code snippet useful for formatting common names. For example, john doe III, can be converted to John Doe III.