Blog of Jeroen De Dauw

Software, AI and clear thinking. Subscribe via RSS. I write about MediaWiki, Wikibase and NeoWiki on the Professional Wiki blog.

2026

2026-04-17 Boot Your Productivity With AI
2026-01-17 High Density Information Sources in 2026

2025

2025-08-20 Why You Should Skip MediaWiki 1.44

2022

2022-09-21 Advice for junior developers
2022-02-08 Using PSR-3 Monolog in MediaWiki
2022-01-30 Value Objects with PHP 8.1

2019

2019-10-26 New MediaWiki blog
2019-02-28 Applications as Frameworks
2019-01-14 Readable Functions: Guard Clause
2019-01-03 My year in books

2018

2018-10-30 Readable Functions: Do One Thing
2018-10-28 PHP Typed Properties
2018-10-24 Readable Functions: Minimize State
2018-09-09 Clean Architecture + Bounded Contexts diagram
2018-08-30 Base Libraries Should be Stable
2018-08-14 Clean Architecture + Bounded Contexts
2018-08-14 Bounded Contexts in the Wikimedia Fundraising Software
2018-08-01 Clean Architecture: UseCase tests
2018-05-09 Guidelines for New Software Projects
2018-02-22 Collaboration Best Practices
2018-01-20 PHP project template
2018-01-19 My year in books

2017

2017-10-16 Introduction to Iterators and Generators in PHP
2017-10-09 Yield in PHPUnit data providers
2017-09-06 The Fallacy of DRY
2017-05-24 Generic Entity handling code
2017-05-09 OOP file_get_contents
2017-04-25 PHP development with Docker
2017-02-17 Why Every Single Argument of Dan North is Wrong
2017-01-06 My year in books
2017-01-02 Simple is not easy

2016

2016-11-24 Implementing the Clean Architecture
2016-11-24 Rewriting the Wikimedia Deutschland fundraising
2016-11-09 Maps 4.0.0-RC1 released!
2016-10-29 Object Orientated Lua code
2016-09-09 Clean Architecture diagrams
2016-08-31 Maps 3.8 for MediaWiki released
2016-06-01 PHP Unconference Europe 2016
2016-05-26 Maps 3.6 for MediaWiki released
2016-05-25 Is Pair Programming worth it?
2016-05-24 I T.A.K.E. 2016
2016-05-13 5 ways to write better mocks
2016-04-02 Maps 3.5 and Semantic Maps 3.3
2016-03-05 Missing in PHP7: Nullable return types
2016-02-22 Missing in PHP7: Collections
2016-02-03 Missing in PHP7: Value objects
2016-02-01 Missing in PHP7: Named parameters
2016-01-30 Missing in PHP7: function references
2016-01-30 Missing in PHP7
2016-01-25 Replicator: Wikidata import tool
2016-01-24 The Liskov Substitution Principle
2016-01-09 My year in books

2015

2015-12-25 New Semantic MediaWiki wiki!
2015-12-10 Only smart people can learn to code
2015-11-14 EntityStore and TermStore for Wikibase/Wikidata
2015-11-08 Wikidata/Wikibase Json Dump Reader
2015-08-19 Lazy iterators in PHP and Python
2015-08-11 Wikibase DataModel Services
2015-06-08 SoCraTes UK 2015
2015-02-20 PHPCS and PHPMD: my experiences
2015-02-20 Semantic MediaWiki news

2014

2014-09-02 Wikibase DataModel 1.0
2014-07-12 Component design
2014-04-30 Wikibase DataModel: Entity v2
2014-04-14 Wikibase DataModel 0.7.3 released
2014-04-10 Diff 1.0 released!
2014-03-20 Status of the new Wikibase (de)serialization code
2014-03-17 Big Ball of Mud

2013

2013-12-23 Wikibase DataModel released!
2013-12-01 DataValues Geo 0.1.1 released
2013-11-28 My adventures with autoloading in PHP
2013-11-24 Introduction to Composer for MediaWiki developers
2013-11-24 DataValues library
2013-11-22 ParamProcessor 1.0 released
2013-11-17 Ask 1.0 released!
2013-11-15 Presentation: The S in STUPID
2013-11-13 Maps moved to GitHub
2013-11-01 New database abstraction layer for MediaWiki
2013-10-31 MediaWiki extension installer
2013-09-25 ParserHooks 1.1 released!
2013-09-24 MediaWiki SubPageList rewrite
2013-09-08 Clean functions
2013-07-23 Profiling and logging in MediaWiki
2013-07-14 ParserHooks declarative OOP API for MediaWiki released
2013-07-12 Wikidata search plugins
2013-07-01 Resolving a merge conflict on gerrit
2013-06-29 GitHub extension for MediaWiki and SimpleCache PHP library

2012

2012-03-05 Semantic MediaWiki: Google Summer of Code
2012-03-04 WikiData, Wikipedia 2.0?

2011

2011-12-23 Wikipedia Education Program
2011-11-08 Contest extension for MediaWiki
2011-07-30 New MediaWiki extension: Semantic Watchlist
2011-07-30 Semantic MediaWiki 1.6 released!
2011-07-20 Maps and Semantic Maps 1.0 released!

2010

2010-12-24 New MediaWiki extension: Live Translate
2010-12-15 New MediaWiki extension: Push
2010-08-20 End of Google Summer of Code 2010
2010-07-13 Wikimania 2010
2010-04-26 Google Summer of Code 2010

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