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Naive Bayesian Classifier on transactions
For a long time I have the idea to enhance my BudgetApp application with machine learning techniques. After trying a implementation of the K-nearest-neighbor algorithm. I finally use a bayesian classifier implementation which works quite well.
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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…
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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…
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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.
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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…