Advent Planet 2021http://www.lenjaffe.com/AdventPlanet/2021/2022-12-08T19:48:08-05:00Len JaffeXML::Atom::SimpleFeed2021-12-25http://www.lenjaffe.com/AdventPlanet/2021/2021-12-25.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/25/">Raku Advent: December 25, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p>Perl Weekly Challenge: is available 0</p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/25">Advent of Code: Day 25 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p>Advent of Code: appears to be unavailable on 2021-12-25. Please try again later.</p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p>Wordpress Snippets til Christmas: appears to be unavailable on 2021-12-25. Please try again later.</p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: is available 0</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-25T00:00:00-05:00len jaffe2021-12-24http://www.lenjaffe.com/AdventPlanet/2021/2021-12-24.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/24/">Raku Advent: December 24, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-24/">Perl Weekly Challenge: Advent Calendar - December 24, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/24">Advent of Code: Day 24 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p>Advent of Code: appears to be unavailable on 2021-12-24. Please try again later.</p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p>Wordpress Snippets til Christmas: appears to be unavailable on 2021-12-24. Please try again later.</p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-24. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-24T00:00:00-05:00len jaffe2021-12-23http://www.lenjaffe.com/AdventPlanet/2021/2021-12-23.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/23/">Raku Advent: December 23, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-23/">Perl Weekly Challenge: Advent Calendar - December 23, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/23">Advent of Code: Day 23 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p>Advent of Code: appears to be unavailable on 2021-12-23. Please try again later.</p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-23. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-23T00:00:00-05:00len jaffe2021-12-22http://www.lenjaffe.com/AdventPlanet/2021/2021-12-22.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/22/">Raku Advent: December 22, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-22/">Perl Weekly Challenge: Advent Calendar - December 22, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/22">Advent of Code: Day 22 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p>Advent of Code: appears to be unavailable on 2021-12-22. Please try again later.</p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-22. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-22T00:00:00-05:00len jaffe2021-12-21http://www.lenjaffe.com/AdventPlanet/2021/2021-12-21.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/21/">Raku Advent: December 21, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-21/">Perl Weekly Challenge: Advent Calendar - December 21, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/21">Advent of Code: Day 21 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-21.html">Advent of Code: Advent Of Code 2021, Day 21: Dirac Dice</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-21. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-21T00:00:00-05:00len jaffe2021-12-20http://www.lenjaffe.com/AdventPlanet/2021/2021-12-20.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/20/">Raku Advent: December 20, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-20/">Perl Weekly Challenge: Advent Calendar - December 20, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/20">Advent of Code: Day 20 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-20.html">Advent of Code: Advent Of Code 2021, Day 20: Trench Map</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-20. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-20T00:00:00-05:00len jaffe2021-12-19http://www.lenjaffe.com/AdventPlanet/2021/2021-12-19.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/19/">Raku Advent: December 19, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-19/">Perl Weekly Challenge: Advent Calendar - December 19, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/19">Advent of Code: Day 19 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p>Advent of Code: appears to be unavailable on 2021-12-19. Please try again later.</p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-19. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-19T00:00:00-05:00len jaffe2021-12-18http://www.lenjaffe.com/AdventPlanet/2021/2021-12-18.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/18/">Raku Advent: December 18, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-18/">Perl Weekly Challenge: Advent Calendar - December 18, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/18">Advent of Code: Day 18 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p>Advent of Code: appears to be unavailable on 2021-12-18. Please try again later.</p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-18. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-18T00:00:00-05:00len jaffe2021-12-17http://www.lenjaffe.com/AdventPlanet/2021/2021-12-17.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/17/">Raku Advent: December 17, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-17/">Perl Weekly Challenge: Advent Calendar - December 17, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/17">Advent of Code: Day 17 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p>Advent of Code: appears to be unavailable on 2021-12-17. Please try again later.</p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-17. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-17T00:00:00-05:00len jaffe2021-12-16http://www.lenjaffe.com/AdventPlanet/2021/2021-12-16.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/16/">Raku Advent: December 16, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-16/">Perl Weekly Challenge: Advent Calendar - December 16, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/16">Advent of Code: Day 16 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p>Advent of Code: appears to be unavailable on 2021-12-16. Please try again later.</p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-16. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-16T00:00:00-05:00len jaffe2021-12-15http://www.lenjaffe.com/AdventPlanet/2021/2021-12-15.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/15/">Raku Advent: December 15, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-15/">Perl Weekly Challenge: Advent Calendar - December 15, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/15">Advent of Code: Day 15 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-15.html">Advent of Code: Advent Of Code 2021, Day 15: Chiton</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-15. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-15T00:00:00-05:00len jaffe2021-12-14http://www.lenjaffe.com/AdventPlanet/2021/2021-12-14.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/14/">Raku Advent: December 14, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-14/">Perl Weekly Challenge: Advent Calendar - December 14, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/14">Advent of Code: Day 14 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-14.html">Advent of Code: Advent Of Code 2021, Day 14: Extended Polymerization</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-14. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-14T00:00:00-05:00len jaffe2021-12-13http://www.lenjaffe.com/AdventPlanet/2021/2021-12-13.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/13/">Raku Advent: December 13, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-13/">Perl Weekly Challenge: Advent Calendar - December 13, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/13">Advent of Code: Day 13 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-13.html">Advent of Code: Advent Of Code 2021, Day 13: Transparent Origami</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-13. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-13T00:00:00-05:00len jaffe2021-12-12http://www.lenjaffe.com/AdventPlanet/2021/2021-12-12.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/12/">Raku Advent: December 12, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-12/">Perl Weekly Challenge: Advent Calendar - December 12, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/12">Advent of Code: Day 12 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-12.html">Advent of Code: Advent Of Code 2021, Day 12: Passage Pathing</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-12. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-12T00:00:00-05:00len jaffe2021-12-11http://www.lenjaffe.com/AdventPlanet/2021/2021-12-11.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/11/">Raku Advent: December 11, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-11/">Perl Weekly Challenge: Advent Calendar - December 11, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/11">Advent of Code: Day 11 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-11.html">Advent of Code: Advent Of Code 2021, Day 11: Dumbo Octopus</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-11. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-11T00:00:00-05:00len jaffe2021-12-10http://www.lenjaffe.com/AdventPlanet/2021/2021-12-10.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/10/">Raku Advent: December 10, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-10/">Perl Weekly Challenge: Advent Calendar - December 10, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/10">Advent of Code: Day 10 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-10.html">Advent of Code: Advent Of Code 2021, Day 10: Syntax Scoring</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-10. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-10T00:00:00-05:00len jaffe2021-12-09http://www.lenjaffe.com/AdventPlanet/2021/2021-12-09.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/09/">Raku Advent: December 9, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-09/">Perl Weekly Challenge: Advent Calendar - December 9, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/9">Advent of Code: Day 9 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-09.html">Advent of Code: Advent Of Code 2021, Day 9: Smoke Basin</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p>Serebii.net Pokemon Advent Calendar: appears to be unavailable on 2021-12-09. Please try again later.</p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-09T00:00:00-05:00len jaffe2021-12-08http://www.lenjaffe.com/AdventPlanet/2021/2021-12-08.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/08/">Raku Advent: December 8, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-08/">Perl Weekly Challenge: Advent Calendar - December 8, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/8">Advent of Code: Day 8 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-08.html">Advent of Code: Advent Of Code 2021, Day 8: Seven Segment Search</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p><a href="http://advent.serebii.net/08.shtml">Serebii.net Pokemon Advent Calendar: Serebii.net's Official Advent Calender - December 8th</a></p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-08T00:00:00-05:00len jaffe2021-12-07http://www.lenjaffe.com/AdventPlanet/2021/2021-12-07.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/07/">Raku Advent: December 7, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-07/">Perl Weekly Challenge: Advent Calendar - December 7, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/7">Advent of Code: Day 7 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-07.html">Advent of Code: Advent Of Code 2021, Day 7: The Treachery of Whales</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p><a href="http://advent.serebii.net/07.shtml">Serebii.net Pokemon Advent Calendar: Serebii.net's Official Advent Calender - December 7th</a></p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-07T00:00:00-05:00len jaffe2021-12-06http://www.lenjaffe.com/AdventPlanet/2021/2021-12-06.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/06/">Raku Advent: December 6, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-06/">Perl Weekly Challenge: Advent Calendar - December 6, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/6">Advent of Code: Day 6 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-06.html">Advent of Code: Advent Of Code 2021, Day 6: Lanternfish</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p><a href="http://advent.serebii.net/06.shtml">Serebii.net Pokemon Advent Calendar: Serebii.net's Official Advent Calender - December 6th</a></p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-06T00:00:00-05:00len jaffe2021-12-05http://www.lenjaffe.com/AdventPlanet/2021/2021-12-05.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/05/">Raku Advent: December 5, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-05/">Perl Weekly Challenge: Advent Calendar - December 5, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/5">Advent of Code: Day 5 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-05.html">Advent of Code: Advent Of Code 2021, Day 5: Hydrothermal Venture</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p><a href="http://advent.serebii.net/05.shtml">Serebii.net Pokemon Advent Calendar: Serebii.net's Official Advent Calender - December 5th</a></p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-05T00:00:00-05:00len jaffe2021-12-04http://www.lenjaffe.com/AdventPlanet/2021/2021-12-04.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/04/">Raku Advent: December 4, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-04/">Perl Weekly Challenge: Advent Calendar - December 4, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/4">Advent of Code: Day 4 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-04.html">Advent of Code: Advent Of Code 2021, Day 4: Giant Squid</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p><a href="http://advent.serebii.net/04.shtml">Serebii.net Pokemon Advent Calendar: Serebii.net's Official Advent Calender - December 4th</a></p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-04T00:00:00-05:00len jaffe2021-12-03http://www.lenjaffe.com/AdventPlanet/2021/2021-12-03.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/03/">Raku Advent: December 3, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-03/">Perl Weekly Challenge: Advent Calendar - December 3, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/3">Advent of Code: Day 3 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-03.html">Advent of Code: Advent Of Code 2021, Day 3: Binary Diagnostic</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p><a href="http://advent.serebii.net/03.shtml">Serebii.net Pokemon Advent Calendar: Serebii.net's Official Advent Calendar - December 3rd</a></p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-03T00:00:00-05:00len jaffe2021-12-02http://www.lenjaffe.com/AdventPlanet/2021/2021-12-02.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/02/">Raku Advent: December 2, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-02/">Perl Weekly Challenge: Advent Calendar - December 2, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/2">Advent of Code: Day 2 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-02.html">Advent of Code: Advent Of Code 2021, Day 2: Dive!</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p><a href="http://advent.serebii.net/02.shtml">Serebii.net Pokemon Advent Calendar: Serebii.net's Official Advent Calendar - December 2nd</a></p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-02T00:00:00-05:00len jaffe2021-12-01http://www.lenjaffe.com/AdventPlanet/2021/2021-12-01.html<div class='pod'><h2 id="Raku">Raku</h2>
<h3 id="Raku-Advent-Calendar">Raku Advent Calendar</h3>
<p><a href="https://raku-advent.blog/2021/12/01/">Raku Advent: December 1, 2021 - Raku Advent Calendar</a></p>
<h2 id="Perl">Perl</h2>
<h3 id="Perl-Weekly-Challenge-Advent-Calendar">Perl Weekly Challenge Advent Calendar</h3>
<p><a href="https://theweeklychallenge.org/blog/advent-calendar-2021-12-01/">Perl Weekly Challenge: Advent Calendar - December 1, 2021</a></p>
<h2 id="Ruby">Ruby</h2>
<h3 id="Qiita:-Ruby">Qiita: Ruby</h3>
<p><a href="http://qiita.com/advent-calendar/2021/ruby">Qiita Ruby Advent 2021: Rubyのカレンダー - Advent Calendar 2021 - Qiita</a></p>
<h2 id="Java">Java</h2>
<h3 id="JVM-Advent">JVM Advent</h3>
<p><a href="http://www.javaadvent.com/2021/">JVM Advent:: 2021 - JVM Advent</a></p>
<h2 id="Miscellaneous">Miscellaneous</h2>
<h3 id="SysAdvent">SysAdvent</h3>
<p><a href="http://sysadvent.blogspot.com">SysAdvent the Advent Calendar for System Administrators: sysadvent </a></p>
<h3 id="Ways-Advent">24Ways Advent</h3>
<p><a href="http://24ways.org/2021/">24 Ways to impress your friends: Web design and development articles and tutorials for advent * 24 ways</a></p>
<h3 id="Performance-Calendar">Performance Calendar</h3>
<p><a href="https://calendar.perfplanet.com/2021/">Performance Planet: Web Performance Calendar -- 2021</a></p>
<h3 id="Lean-UXmas">Lean UXmas</h3>
<p><a href="https://2021.leanuxmas.com/">Lean UXmas: Lean UXmas 2021</a></p>
<h3 id="Advent-of-Code">Advent of Code</h3>
<p><a href="http://adventofcode.com/2021/day/1">Advent of Code: Day 1 - Advent of Code 2021</a></p>
<h3 id="Advent-of-Code-Solutions-by-Abigail">Advent of Code Solutions by Abigail</h3>
<p><a href="https://abigail.github.io/HTML/AdventOfCode/2021/day-01.html">Advent of Code: Advent Of Code 2021, Day 1: Sonar Sweep</a></p>
<h3 id="Advent-of-Code-by-DOmm">Advent of Code by DOmm</h3>
<p><a href="https://domm.plix.at/tags/AdventOfCode.html">Advent of Code: domm / Tags / AdventOfCode</a></p>
<h3 id="Wordpress-Snippets">Wordpress Snippets</h3>
<p><a href="https://advent.elliottrichmond.co.uk/">Wordpress Snippets til Christmas: WP snippets til Christmas - WordPress advent calendar just for fun!</a></p>
<h3 id="Plus-Magazine-Math">Plus Magazine (Math)</h3>
<p><a href="https://plus.maths.org/content/plus-advent-calendar-2021">Plus Magazine Advent: The Plus advent calendar 2021 - plus.maths.org</a></p>
<h3 id="Dictionary-of-Old-English-Advent-Calendar">Dictionary of Old English Advent Calendar</h3>
<p><a href="https://dictionaryofoldenglish.wordpress.com/advent-calendar/">The Dictionary of Old English: Advent Calendar - The Dictionary of Old English</a></p>
<h3 id="Serebii.net-Pokemon-Advent-Calendar">Serebii.net Pokemon Advent Calendar</h3>
<p><a href="http://advent.serebii.net/01.shtml">Serebii.net Pokemon Advent Calendar: Serebii.net's Official Advent Calendar - December 1st</a></p>
<h3 id="Max-Planck-Institute-Advent-Calendar">Max Planck Institute Advent Calendar</h3>
<p><a href="https://www.mpg.de/advent-calendar">Max Planck Institute Advent Calendar: Advent Calendar - Max-Planck-Gesellschaft</a></p>
</div>2021-12-01T00:00:00-05:00len jaffe