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Jörn Zaefferer
Lives in Cologne, Germany
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Jörn Zaefferer

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I wrote down some computer science research ideas. Includes some examples and anecdotes: http://bassistance.de/2016/04/20/computer-science-research-ideas/
Every now and then I get emails from researchers (often students), asking me to participate in their particular study. Sometimes I participate, sometimes I don'
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Sounds good, thanks for the explanation.
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Jörn Zaefferer

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I wrote about what's going on with the jQuery Foundation this year, some past, some present, some outlooks to the near future: http://bassistance.de/2014/12/01/jquery-foundation-2014-roundup/
In January 2014, now 11 months ago, the jQuery Foundation published its new mission statement: To improve the open web, making it accessible for everyone, th
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Patch release for my jQuery Validation plugin, version 1.13.1, is now live: http://bassistance.de/2014/10/14/release-validation-plugin-1-13-1/
This is a patch release for the jQuery Validation Plugin. It contains a few changes, though most notable is the fix for the newly implemented aria-describedby-b
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The recording of my Effective jQuery talk at jQuery Conference San Diego 2014 is online: http://bassistance.de/2014/04/04/talk-recording-effective-jquery/
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I wrote a blog post about searching git history with recursive-blame.
The ability in Git to search through the commit history locally is one of the major reasons why I never want to work with SVN again. With Git there is no waitin
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Moin! War zwar in den letzten Wochen wenig aktiv in Köln, will aber zum Event am Samstag. In-game bin ich EHKOC, mittlerweile Level 7. Ich habe zwar bisher bisher es irgendwie geschafft, keine Kölner Frösche zu treffen, aber +Stefan Bunse müsste mich zumindest aus dem COMM kennen.
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Huhu, immer noch keine Kölner Frösche getroffen?
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I wrote about the OSX software I’m using these days: http://bassistance.de/2016/03/29/osx-software-five-years-later/ including a trick for using capslock to toggle iTerm2.
In November 2010, before my first MacBook even arrived, I asked Twitter for "must-have" OSX software and collected the results in a blog post. A year later, I p
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Ha great, I remember the times when we talked about switching to OSX. 
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“What is wrong with the world?” – that is a question I’ve been coming back to in the last few days. Whenever I read about some problem that stirs a lot of discussion, arguments and – all too often – anger, I wonder: Don’t we have more important problems to solve?
"What is wrong with the world?" - that is a question I've been coming back to in the last few days. Whenever I read about some problem that stirs a lot of discu
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Nice hover effect on the home link of my online banking. Along with the dotted outline and colored background, it also shows a label telling you where this link will lead to.

One photo: Default state. The other: Hover state. "zur Startseite" means "to Homepage".
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I was in a good mood when I noticed this, after thinking about the nice multi-line notifications on Android 4. Often I don't have to go to the text message app, since I can just read messages in the notification bar.

Then I noticed the above, posted it, organised the uploaded photos so that the default state would show up first, the hover state second... but not, G+ decides to order by filename (I guess) and completely ignore my custom order. Meh.
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I repeat myself when under stress, I repeat myself when under stress, I repeat myself when under stress, I repeat...
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Currently
Cologne, Germany
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Freelance Web Developer
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  • Freelance Web Developer, 2010 - present
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