2009-12-21
Perl
Perl: appears to be unavailable on 2009-12-21 - Perl: 404 - Not Found
Catalyst: Catalyst Advent Calendar - Day 21
Plack: Plack Advent Calendar: December 2009
Perl 6: 21 - December - 2009 - Perl 6 Advent Calendar
Ricardo Signes: RJBS Advent Calendar 2009 - Gimme Everything You Got
Perl Advent Calendar Japan:
Casual: Coroを使って並行処理 - JPerl Advent Calendar 2009
Hacker: FormValidator::LazyWay で検証ルールをまとめよう - JPerl Advent Calendar 2009
dbix-skinny: Rowの拡張について2 #21 - JPerl Advent Calendar 2009
data-model: ドライバを知る - JPerl Advent Calendar 2009
PHP
Changed its name to WebAdvent in 2012: PHPadvent
SysAdvent
Advent Calendar for System Administrators home page: SysAdvent
Plone (Japan)
Plone User Group Japan: Plone Advent
Performance Calendar
Performance Planet: Performance Calendar » 2009