White Rose Timer on PineTime watch
Problem statement
Wejn.org
Wejn's corner on the interwebs, containing articles about computers (Linux), programming, system administration, and whatever else takes my fancy.
Latest posts
FreeCAD 1.1 killed Fusion 360 for me
Fusion 360 logo presumably (tm) Autodesk, used under Fair Use; FreeCAD logo used in compliance with guidelines
ZFS snapshotting done better
zfs, say cheese!
Replacing APC Smart-UPS SC450RM battery
Problem statement
Leveling the Průša Core One+ bed
Problem statement
Swisscom 2025 security.txt challenge: full writeup
In Accidentally solving the Swisscom 2025 security.txt challenge I briefly hinted at the steps that I took to solve the challenge.
Visualize those pesky rainbows (interactively)
In the previous post (On the unreasonable difficulty of plotting pretty rainbow, fast) I spent many words coming up1 with the Ultimate Rainbow™ for visible light spectra. Well, stealing from Dr. Young, really. ↩
On the unreasonable difficulty of plotting pretty rainbow, fast
The problem
Overengineering float serialization for no good reason
Problem statement