Go Go Gnome
the website of Sander Kooijmans

Interesting Links

Interesting Links

Smarty next to signpost This page contains links that I consider interesting.

Software engineering

  • Shapecatcher.com: A website that lets search for Unicode characters by drawing them.
  • RealFaviconGenerator: A free favicon generator that generates icons for browsers on computers, tablets and mobile phones at once. I used it to generate the favicon for this website.
  • Pelican. This is a static site generator, written in Python. I use it to generate this website.
  • SQL Indexes and Concurrency: Ladislau Molnar explains how indexes influences concurrency using simple, clear examples. If you experience lots of deadlocks in your database, read his article and understand what is going on in the database.
  • Date and time in Java: This page explains everything you need to know about dates and times in Java including the difference between the classes java.util.Date and java.util.Calendar. It also explains all you need to know about dealing with time zones.
  • Sorting algorithms: This website graphically shows the working of a lot of comparison based sorting algorithms.
  • Soft hyphen (SHY) - a hard problem?: An article about problems occurring when using soft hyphens in HTML.
  • In Defense of Not-Invented-Here Syndrome: An article that illustrates that the Not-Invented-Here Syndrome sometimes sometimes should be applied.
  • Hope, belief and Wizardry: A parody on (design) patterns applied to project management by Markus Völter.
  • CPD: A tool for finding copied and pasted code. This tool is very fast and very useful!
  • Data Compression with the Burrows-Wheeler Transform: A document explaining how texts can be transformed into another form which enables it to be compressed. Using this technique better compression ratios can be obtained than using commercial tools like PKZIP.
  • Arithmetic coding + statistical modeling = data compression: A document explaining how texts can be compressed using arithmetic coding and statistical modeling.
  • Mathmeth.com. This site contains articles on solving mathematical problems. Problems are solved in the Calculational style developed by Edsger W. Dijkstra and others. I received education from some of the contributors.
  • The manuscripts of Edsger W. Dijkstra: This website offers acces to the many manuscripts written by Edsger W. Dijkstra, one of the most important computer scientists of the last century. His manuscripts have become known under the name "EWDs", since EWD are the initials of Edsger W. Dijkstra.


  • Heart of the City: Heart is a girl with big dreams and a love of drama. She lives with her mom, in Philadelphia.
  • Garfield: The most famous, lazy and hungry cat in the world.
  • Fokke & Sukke: A Dutch comic about a duck and canary making fun of news items and everyday life.
  • The Order of the Stick: A comic about adventures of a group in a "Dungeons & Dragons" campaign. My cartoons about Smarty have the same style as The Order of the Stick.
  • xkcd: A webcomic of romance, sarcasm, math and language.
  • Dork Tower: A comic about gamers.

General information