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February 13, 2017

Virtual Box refuses to boot – “The device helper structure version has changed.”

You will receive this error when you have a version mismatch between Virtual Box and the virtualbox-ext-pack version. This can be caused by an automatic update. The solution is applied in the host system and is very simple. Especially on Linux systems such as Ubuntu, since here the dependencies are automatically matched to the correct version. For Windows users this means to get the current Virtual Box Version ( Help -> About Virtual Box).
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Can Kattwinkel

Entwickler bei thecodecampus

August 23, 2016

Undo and edit your last commits with git

Sometimes one might get into the unfortunate need to change a git commit. In this post I will show some options to revert or change commits which are not yet pushed to an remote branch.


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Christoph Strauss

Entwickler bei thecodecampus