JUnit Benchmarking

Benchmarks are important if you have a performance critical application. Even if your application is not performance critical, a better performance is always nice to have. To check that your application works correctly unit tests with JUnit are the first choice in the Java world. So why don’t use unit tests to check our performance? […]

Developing OpenSource

Developing OpenSource is fun and is supported by a wide range of companies with free infrastructure. In this articel I want to show how you can build a free development environment for your open source project. Some stuff is Java (or more general JVM) specific, but some stuff can be applied to any project. Source […]

Simple JUnit Tests with Tycho and Surefire

Eclipse Tycho requires a special packaging type for test bundles, eclipse-test-plugin. This is okay, when you have your own eclipse based project with all the modularity you want. However sometimes you have legacy libraries or want to keep your source code and test code close to each other and don’t want to create another plugin to run […]

PDE target platform cache path

Sometimes you build a broken bundle and publish it on a local update site for some of your colleges. However you’re colleges have already set up their target platform and Eclipse PDE cached the bundles. PDE seems to be really smart when it comes to use cached bundles. Deleting and resetting the target platform didn’t […]

Gradient Decent with Scala

Currently I’m watching a Scala and a Maschine Learning course on coursera.org and wanted to try some simple stuff for myself. I choose Gradient Decent would be a perfect start to try some functional programming. The code import scala.math._ object GradientDecent extends App { val alpha = 0.1 //size of steps taken in […]