About me
My name is Jan Ouwens and I’m a developer from the Netherlands. Currently, I work for Yoink. I do a bunch of things:
- I code - [my projects]
- I speak - [my talks]
- I write - [my blog] [my other writings]
- I go to concerts - [the bands I’ve seen]
- I got interviewed in a podcast that one time - [my media appearances]
Projects
- EqualsVerifier - [site] [github] [java]
A tool to make rigourously testing Java’s equals and hashCode methods a one-liner - AnnotationScript - [github] [java]
A LISP-based programming language written entirely in Java annotations - Parallel Java - [github] [java]
A Todo Backend written in Java, without using annotations, to support my talk Java from a Parallel Universe - PicoTest - [github] [java]
An ultra-minimal unit-testing framework, based on the JUnit 5 Platform - Foobal - [site] [github] [scala]
A program I use to predict the outcome of soccer matches, so that I can participate in the family pool without needing to learn about the actual sport - ReminderMail - [site] [github] [kotlin]
A small Android app that makes it easy to quickly send mails to yourself - ComposeKey - [site] [github] [scala]
A bundle of text-expansion snippets for Alfred that mimic the behaviour of Linux’s compose key - vim-reversal - [github] [vimscript]
A colorscheme for Vim that highlights identifiers and de-emphasizes keywords, so you can easily see what’s important in your code
Writings
- 2011 - present, tr ouwens - 🇬🇧 [site]
my tech blog - My publications in the Dutch Java Magazine
- September 2021, De algoritmes van het Java Collections Framework - 🇳🇱 [PDF]
- September 2020, Actief worden in open source (met Danny van Bruggen) - 🇳🇱 [PDF] [site]
- October 2018, Lees dit niet! ☠️💣💥 - 🇳🇱 [PDF] [site]
- February 2018, Selenium is leuk met ScalaTest - 🇳🇱 [PDF] [site]
- April 2016, Een DSL kweken - 🇳🇱 [PDF] [site]
- June 2015, Grip op je buildproces met Gradle (met Hanno Embregts) - 🇳🇱 [PDF] [site]
- 2009 - 2012, Brief en leed - 🇳🇱 [site]
a funny letter-writing blog I did with my friend Ralf - January 2008, Voorstel voor een methode voor de kwantitatieve analyse en vergelijking van beeldverhalen - 🇳🇱 [PDF]
a way too in-depth survey of Asterix jokes - August 2005, The Performance of Wireless MPEG-2 Video Streaming - 🇬🇧 [PDF]
my Master’s Thesis