Other articles

  1. Simple Web Services With Bottle

    Recently I rediscovered Bottle, a Python-based micro framework for web applications. Bottle gives you full control over your URLs, has a simple built-in templating engine and a lot of other commonly used stuff. It takes you five minutes to get started and perhaps one hour with its great documentation to …

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  2. Writing Hamcrest Matchers

    JUnit 4 introduced a fancy DSL based on the Hamcrest framework for expressing assertions. JUnit ships with the most important matchers and you can always add Hamcrest to your classpath if you need more. Sometimes no existing matcher fits your needs and you have to roll your own. Since it's …

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  3. JUnit: Using External Resources

    Many integration test cases need access to external resources like files or databases. Dealing with external resources is always messy because you have to set up state and tear it down later. Since JUnit 4.7, there's a mechanism that makes things a bit more convenient.

    Previously when you had …

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  4. Plotting with Matplotlib

    For a long time, Gnuplot has been my tool of choice for plotting diagrams. The diagrams it produces out of the box look very scientific, but it takes a lot of tweaking to produce something that's visually pleasing. I got used to Gnuplot's weird ways but I was never entirely …

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  5. Using GridGain's Topology SPI

    On a GridGain cluster, you sometimes want to execute your jobs on only a subset of the nodes available: those nodes meeting a given condition. Let's say some nodes run an expensive piece of thirdparty software that is (fortunately) only needed for a couple of tasks. At another time, the …

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