30/05/2025

Notes on installing Matlab on Kubuntu 25.04

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 I don't use matlab a lot, which means I keep running into the same snags on installing. No. 1: "error while loading shared librari...
10/05/2025

Passive aggressive Easter egg of the week

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import seaborn as sns import numpy as np data =  np.random.randint(0,10,(50,5)) sns.violinplot(data,palette='jet')
29/03/2025

How to get the Logitech R400 Presenter to work with Okular

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  The Logitech R400 has been around for a while, it's a solid, affordable presenter (with a slightly crappy laser, though) and you can g...
16/07/2024

An ugly method to get matplotlib to add transparency to streamplots

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Well, they said in the API docs : "This container will probably change in the future to allow changes to the colormap, alpha, etc. for ...
16/02/2023

Turning a LaTeX beamer presentation with movies into a portable PPTX via LibreOffice.

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Use case: your talk venue insists you use their computer. And PowerPoint. You'll need pdftoppm (or similar, comes with poppler) and FFMP...

Customized matplotlib styles where python can find them.

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 Bugged me for a while. Turns out matplotlib is quite nitpicky about exact locations and file extensions. We assume the style file is called...
01/02/2023

How to get a matplotlib colormap into inkscape.

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Inelegant, but works. TL;DR: let python create an SVG file with a rectangle that uses the colormap as a gradient. Open, import or copy in in...
18/02/2022

How to convert a LaTeX beamer presentation with videos to PPTX using Python

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Update: The crash issue appears to be fixed in recent LibreOffice. So there is really no reason to do all of the below any more, hooray. See...