Building a LaTeX Docker image

My local Tex Live version is a bit outdated and I do not want my Debian Jessie to force an update to the sid distribution. This is maybe a good point to start running the pdflatex command in a Docker container with a newer version.

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Debian - Increase LaTeX main memory size

I want to increase the memory for Tex Live on my Debian operating system. The reason is the following error that I get after executing the command pdflatex.

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Linux - Audio notification after long running command has finished

The following small trick was too simple for a post in my eyes, but too helpful in the past for not sharing. From time to time a I have a long running command in my development process, that can be compiling, evaluating data or something else that takes longer than 5 minutes. In the most cases I will focus on something else in that time and check pretty late that the command has already finished. A simple solution for me is to play some audio signal after the command has finished.

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C language - trigger key events in Linux with xdo

I needed a C library to build a small app that triggers keyboard events in Linux. Luckily I have found xdotool by Jordan Sissel that also contains the library libxdo.

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LaTeX - Illustrate similarity measures of time series

I need to illustrate similarity measures of time series in a paper. Common illustrations are the euclidean distance and dynamic time warping.

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LaTeX - Multidimensional time series PGFPlots tikzpicture

I am working on my bachelor thesis and have to deal with multidimensional time series. Quite specifically time series containing acceleration data from the three sensors produced by a Wii controller. I would like to show on a small example how I represent multidimensional time series graphs in LaTeX.

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ownCloud desktop client for Debian repository with GPG error

I am running the ownCloud desktop client 2.2.3 for Debian 8, jessie. Since a while the client shows me that version 2.3.1 is available, but unfortunately did I get the following error if I want to update the client.

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Testing a website in Safari with Mac OS X VirtualBox

Developing a website on a Linux operating system is pretty comfortable, but unfortunately are the most users of those websites using other operating systems with other web browsers. There is a nice solution for the Windows Internet Explorer or Edge browser, free Virtual Machines from IE8 to MS Edge. Unfortunately I have not found an easy way to setup a VirtualBox with Mac OS X to test a website in the Safari web browser. My colleague Jan Knipper pointed me to vagrant-box-osx, a Mac OS X Vagrant box for VirtualBox by Andrew Dryga.

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LaTeX - Scale and change aspect ratio of PGFPlots tikzpicture

I need to change the size of a PGFPlots tikzpicture in my LaTeX document. There are two different things, scaling the graphic to the full or half width for example and changing the aspect ratio of a graphic.

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LaTeX - Load table data for PGFPlots tikzpicture

My main resource to create tikzpicture graphics in PDF files generated via LaTeX is the PGFPlots Gallery. But I guess there are more than 400 examples on this page. Here a minimal example for a PGFPlots function visualisation with data loaded from an dat file.

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