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nl Deze gebruiker heeft het Nederlands als moedertaal.
en-3 This user can contribute with an advanced level of English.
de-1 Dieser Benutzer hat grundlegende Deutschkenntnisse.
fr-1 Cet utilisateur peut contribuer avec un niveau élémentaire de français.
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Admin mop question.png This user is a MediaWiki developer.
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This user uses Qui to display their status and work with other users.
Noia 64 apps karm.svg This user has been on Wikipedia for 10 years, 4 months and 14 days.
I'm an awesome Wikipedian!
This user has been identified as an Awesome Wikipedian and was awarded his or her own day.
Status of the Spaceflight Portal

Selected article
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Did you know

Today's motto...
Igitur qui desiderat pacem, praeparet bellum.
("Therefore whoever desires peace, let him prepare for war.")

Nominate one today!

Me on other wiki's[edit]

About me[edit]

My name is Derk-Jan Hartman. Most people will know me as one of the volunteer developers of VLC media player. I'm also a volunteer contributor to the MediaWiki software that runs Wikipedia and to Wikimedia Mobile.

Wiki interests[edit]

Most of my time is spent answering questions of editors on the technical Village Pump, maintaining the site specific Javascript and CSS, working on templates and doing administrative work with regard to images (moving, deleting etc). I also do a lot of work with various User scripts and Gadgets. My article interests are with topics regarding space and the Netherlands. I'm an occasional author for The Signpost.

Articles that I significantly edited and brought to GA/FA


I worked on the Wikimedia Mobile project. My brainstorm list.

My Javascript projects[edit]

These are some of the scripts that I have created or that I have significantly contributed to.


The Signpost
2 July 2014
RfA candidate S O N S% Ending (UTC) Time left Dups? Report
RfB candidate S O N S% Ending (UTC) Time left Dups? Report

No RfXs since 22:14, 9 July 2014 (UTC).—cyberbot I NotifyOnline

  • remember line numbers in diff view



/Sandbox /SandboxTemplate /SandboxTemplate2

Tracker pages[edit]

When you wikilink these pages in a template from within a #if: optionname, then you can use their "What links here"-link, to see which pages use certain arguments of templates.
/Tracker1 /Tracker2 /Tracker3 /Tracker4

Tool links[edit]

1 protected edit request
Page Tagged since Protection level Last protection log entry
Mufaddal Saifuddin (request) 2014-07-08 03:21 Fully protected, expires 2014-07-30 at 02:29:40 UTC (log) Protected by Drmies on 2014-04-30: "as before"
Updated as needed. Last updated: 06:27, 11 July 2014 (UTC)

People being nice[edit]

Some people are really nice and have seen it fit to award me a barnstar. If vandals are one side of the Wikipedia spectrum, these people are surely at the complete opposite end.

Blueprint Barnstar 2.PNG The Template Barnstar
I've begun to include the Episode list template into the List of South Park episodes page. Before the template was made, the WikiProject was pretty much dead. Thanks for your hard work into making this a reality! Here's a barnstar to show my appreciation. Will2k 03:21, 12 June 2006 (UTC)
Working Man's Barnstar.png The Working Man's Barnstar
For your constant work to get us rid of the innumerable forks of Infobox television episode, I award you the Working man's barnstar. Circeus 20:49, 16 March 2007 (UTC)
Original Barnstar.png The Original Barnstar
Keep this barnstar as a record of your hard work getting the WP:TV assessment pages up and running and all your hard work on the project in general. Opark 77 00:48, 1 April 2007 (UTC)
Barnstar of Diligence.png The Barnstar of Diligence
Awarded for your diligence at WP:TV, upon your exit. Hope to see you back soon. Wikipedical 00:39, 13 May 2007 (UTC)
Socratic Barnstar.gif The Socratic Barnstar
I, Ursasapien, hereby award you the Socratic Barnstar for your exquisitely eloquent statement at The Episodes and characters arbitration. Your argument encapsulated the conflict and made a persuasive case for a sound solution. Thank you. Ursasapien (talk) 06:50, 11 December 2007 (UTC)
Random Acts of Kindness Barnstar.png The Random Acts of Kindness Barnstar
Thank you for fixing my template; this certainly qualifies as a random act of kindness - hence the applicable barnstar :) Piotr Konieczny aka Prokonsul Piotrus| talk 21:10, 25 March 2008 (UTC)
The Citation Barnstar The Citation Barnstar
In recognition for your fantastic work in clearing up the references on International Space Station, I hereby award you this Barnstar! Thanks for all your hard work! Colds7ream (talk) 18:37, 26 November 2008 (UTC)
Barnstar-abc.png The Helping Hand Barnstar
This Barnstar is awarded to TheDJ. For his wonderful assistance on village pump (technical), helping other users make wikipedia even better. Thank you.Ikip (talk) 14:58, 26 January 2009 (UTC)
Barnstar of Diligence.png The Barnstar of Diligence
For your tireless work during the start of the 2009 attack on Dutch Royal Family article. Yintaɳ  10:37, 2 May 2009 (UTC)
Blueprint Barnstar 2.PNG The Builder's Barnstar
Alert: Qui is awesome! I can tell if people are on when I need to know. Abce2|Free LemonadeOnly 25 cents 21:17, 22 June 2009 (UTC)
Vitruvian Barnstar.png The da Vinci Barnstar
The da Vinci Barnstar may be awarded to technical-type folk (programming and tools, bot building, admin or sysop work, link repair, Mediawiki developers, etc.) who use their skills to help the project or their other editors. For persevering with my troubles in getting my javascript working, you get one just for yourself :-). Thank you again for your help. AGK 14:08, 17 May 2010 (UTC)
Blueprint Barnstar 2.PNG The Developer's Barnstar
I award you this barnstar for fixing that annoying thumbnail-render glitch. Access Denied talk contribs editor review 18:03, 19 August 2010 (UTC)
Barnstar of Humour3.png The Barnstar of Good Humor
For Speaking bluntly on User talk:Pensacolian and making me laugh BB7 (talk) 19:43, 16 September 2010 (UTC)
Golden wikipedia featured star.svg Valued Contributor Award Smiley.svg
You have been identified as a valued contributor and your efforts are appreciated. We are honored to present you with the Valued Contributor Award and we thank you for donating your time, expertise and effort to Wikipedia. Keep up the good work. Thanks. (more details)
The WikiPen The WikiPen

For your many contributions to Wikipedia. Tyw7  (☎ Contact me! • Contributions)   Changing the world one edit at a time! 22:08, 16 April 2011 (UTC)

Original Barnstar.png The Original Barnstar
This barnstar is awarded to everyone who - whatever their opinion - contributed to the discussion about Wikipedia and SOPA. Thank you for being a part of the discussion. Presented by the Wikimedia Foundation.

Past wikiwork[edit]

I used to be very active in Wikipedia:WikiProject Television and its subprojects that are now taskforce. However after several heavy disputes within the community, I decided it was best to avoid this topic within Wikipedia and left that project.

Committed identity: 5772ab317b3f56de7fe8b17e96f9031e85d5fe05f15d97027aee5fa230c11257ff41868837e27703f5ef22d130b2bb091f0dc344ff356ef74cf27a73d868bb42 is a SHA-512 commitment to this user's real-life identity.
Unified login: TheDJ is the unique login of this user for all public Wikimedia projects.