Category Archives: Linux/Unix

Nvidia driver on Ubuntu 13.10

I made the mistake to try to switch from the Nvidia driver to use the hybrid Bumblebee driver on Ubuntu 13.10 for my Lenovo T420s laptop with NVIDIA GPU NVS 4200M (GF119). I ended up with a situation where I … Continue reading

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Check Java version in class files

Java classes can be compiled for different target platforms. You could e.g. compile with JDK 7 creating class files for Java 6. The target version is encoded in the beginning of the class files. The major version of the different … Continue reading

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Java encoding of source files

I got a problem with some java source files, which javac couldn’t compile, because the file encoding was correct. The source files did include some Swedish UTF-8 characters. unmappable character for encoding ASCII So I checked what my ant environment … Continue reading

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