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CPAN Digger explained
MetaCPAN URLs and Issues
RT.CPAN.ORG is closing
$a - $b - Special variables when using sort(). Don't use them for anything else besides your sort function!
Don't use $a and $b outside of sort, not even for examples
How to sort a hash in Perl?
How to sort a hash of hashes by value?
Sorting arrays in Perl
Sorting mixed strings
How To Use TheSchwartz Perl Module
How To Use TheSchwartz Perl Module (Part 2)
%LAST_MATCH_START
Introducing CPANCover - Showing Test coverage reports of Perl modules
Lvalue substr - replace part of a string
Converting indirect calls
Getting started testing Perl module with Test2
The 19 most important file-system tools in Perl 5
Getting started with Net::Server - building an echo server
Exporting and importing functions easily
Import on demand