plusplus questions

plusplus answers

• How do I sort hash of hashes by value using perl?
• Getting just the file name from full path
• What does $1 mean in Perl?
• When is our keyword necessary at all?
• How can a perl module find its own path?
• PSGI: What is it and what's the fuss about?
• How do I create a Perl class?
• Why use Perl OO simply as a data encapsulation technique?