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How to Clone & Reuse VirtualBox Disk-Images under Linux

When working with Oracle VirtualBox you might have come accross situations, where you wanted to copy the state of a given Disk-Image and build a new Virtual Machine upon that. We tell you, hot to do that. a) Preparations Before

Posted in Build Process, Infrastructure, Software Engineering, Uncategorized

Confusing Comparable- & Comparator-Contract

Read here more about the Confusing Comparable- & Comparator-Contract in Java today. I recently came accross the following exception, thrown by the Java Runtime Environment: “Comparison method violates its general contract!” The Exception occurred in a Comparable-implementation looking similar as

Posted in Software, Software Architecture, Uncategorized