2020-12-22
Raku
Raku Advent Calendar
Raku Advent: December 22, 2020 - Raku Advent Calendar
Perl
Perl Advent Calendar
Perl Advent: Perl Advent Calendar 2020 - Playing it safe with Safe::Isa
Perl Weekly Challenge Advent Calendar
Perl Weekly Challenge: Advent Calendar - December 22, 2020
LeoNerd's Perl Advent Calendar
LeoNerd's Perl Advent: LeoNerd's programming thoughts: 2020 Perl Advent Calendar - Day 22
Perl Dancer Advent Calendar
Dancer Advent: Asynchronous Dancer2 PT. 1 - What, Why, and How? - PerlDancer Advent Calendar
Ruby
Qiita: Ruby
Qiita Ruby Advent 2020: Ruby Advent Calendar 2020 - Qiita
Qiita: Ruby on Rails
Qiita Ruby on Rails Advent 2020: Rails Advent Calendar 2020 - Qiita
Java
JVM Advent
JVM Advent:: 2020 - JVM Advent
Miscellaneous
SysAdvent
SysAdvent the Advent Calendar for System Administrators: sysadvent
24Ways Advent
Performance Calendar
Performance Planet: Web Performance Calendar -- 2020
TryHackMe Advent of Cyber 2
Lean UXmas
Advent of Code
Advent of Code: Day 22 - Advent of Code 2020
QEMU Advent Calendar
QEMU Advent Calendar: QEMU Advent Calendar 2020 - An amazing QEMU disk image every day.
Wordpress Snippets
Plus Magazine (Math)
Plus Magazine Advent: The Plus advent calendar 2020 - plus.maths.org
Dictionary of Old English Advent Calendar
The Dictionary of Old English: Advent Calendar - The Dictionary of Old English
Serebii.net Pokemon Advent Calendar
Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2020-12-22. Please try again later.
Max Planck Institute Advent Calendar
Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft