Here's what I'm seeing. I have no idea what all the "Constant subroutine foo undefined at /usr/lib/perl/5.8/features.ph line bar." errors are all about, or how to ...

In Perl, functions and subroutines can return different values based on the context of the caller (scalar, array or void). A nice feature of the Perl debugger is the r command, which tells you what ...

If you’ve been thinking along OOP lines, you probably have a subroutine for initializing your dataset already. Teaching Perl to treat your hashref as an object is quite simple.

Perl, the duct tape of the Internet, is well suited for use in CGI applications. Thanks to the Perl DBI module, available on CPAN, database interaction with Perl is quite simple. Prerequisites To ...