2013.08.28 in #110Perl 5 Internals - Part One
Rob Hoelz reports from a presentation given by Yves Orton and Steffen Mueller on the internals of Perl. Short and quite digestible covering the basics of memory allocation for scalar values.
2013.09.11 in #112Perl 5 Internals - Part Three
In which Rob Hoelz explains what is the difference between undef $x; and $x = undef; and how perl handles hashes internally.
2013.10.07 in #116Perl 5 Internals - Part Four
In this part of the series, Rob Hoelz covers the optree, which is quite similar to what others might call an abstract syntax tree (AST). comments
2013.11.18 in #122Oh My Glob
Do you know how import works in Perl? Do you know what \*STDOUT means? Do you know how to create a function on the fly? Rob Hoelz explains all that.
2015.12.15 in #230Hunted By a Leak - Part Two
In a nutshell, if I understood it correctly, certain subroutine signatures cause a memory leak, but spending two weeks in Japan can solve them.