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Mark van Venrooij

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  • Is income equality in companies a key to success?

    After the TED talk by Richard Wilkinson about life expectancy and income (in)equality I wonder if the same correlation exists in companies.

    August 27, 2012
  • Leaky abstractions in JPA eclipselink

    In our team we use JPA, EclipseLink to be precise. Now we start stress testing we notice something weird. The child relations of a entity are not updated if we only save the child. Probably we can prevent it by some configuration/annotation or other way, but we use an ORM to make sure we don’t have to think about these things.

    May 9, 2012
  • Coderetreat in December solves quine problem in March

    Yesterday I spoke to @MMz_ about my Space invaders quine. As is was a general meeting and a lot of people attended we didn’t have time to look into the solution properly. So I promised him to explain the details on a later moment. I think more people would like to know how the technical solution works so I decided to write this blog.

    March 16, 2012
  • Devnology codefest: Space Invaders quine

    As a participant in Devnology Code Fest Space Invaders, I immediately knew what the solution should be: A Space Invaders quine.

    March 7, 2012
  • Adjust design to get green bar

    Adjust design to get green bar

    A while ago I read the pragmatic programmer. In the book are many tips listed. In the back of the book there is an tear-out card with all the tips collected. As I’m working on different locations all the time I rarely look at the card. The tips however seem very useful to me. Therefore I created a small Google App engine application that sends me a random tip every day. TDD-ing my way through the requirements I now get a tip every day. During the development I ran into one little problem with stubbing my randomizer method.

    December 10, 2011
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Photography can only represent the present. Once photographed, the subject becomes part of the past

— Berenice Abbott