Jekyll2026-05-31T16:21:22+02:00https://wejn.org/feed/by_tag/quickie.xmlWejn.orgWejn's corner on the interwebs, containing articles about computers (Linux), programming, system administration, and whatever else takes my fancy.Michal JirkůFreeCAD 1.1 killed Fusion 360 for me2026-05-31T14:02:00+02:002026-05-31T16:21:11+02:00https://wejn.org/2026/05/freecad-1.1-killed-fusion-360-for-meMichal JirkůFusion 360 logo presumably (tm) Autodesk, used under Fair Use; FreeCAD logo used in compliance with guidelinesZFS snapshotting done better2026-05-23T16:23:00+02:002026-05-24T07:21:10+02:00https://wejn.org/2026/05/zfs-snapshotting-done-betterMichal Jirkůzfs, say cheese!Replacing APC Smart-UPS SC450RM battery2026-05-15T15:40:00+02:002026-05-15T17:27:39+02:00https://wejn.org/2026/05/replacing-apc-smart-ups-sc450rm-batteryMichal JirkůProblem statementSwisscom 2025 security.txt challenge: full writeup2026-01-28T22:25:00+01:002026-01-28T22:33:09+01:00https://wejn.org/2026/01/swisscom-2025-securitytxt-challenge-full-writeupMichal JirkůIn 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)2026-01-14T18:25:00+01:002026-01-14T19:00:34+01:00https://wejn.org/2026/01/visualize-those-pesky-rainbows-interactivelyMichal JirkůIn 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. ↩Overengineering float serialization for no good reason2025-12-25T17:09:00+01:002025-12-25T19:24:21+01:00https://wejn.org/2025/12/overengineering-float-serialization-for-no-good-reasonMichal JirkůProblem statementDesigning a 3d-printed clasp for a sports gear bag2025-10-31T15:10:00+01:002025-10-31T15:17:34+01:00https://wejn.org/2025/10/3dprinting-a-clasp-for-a-sportsbagMichal JirkůLLM: Write production-ready code!2025-10-25T17:40:00+02:002025-10-25T18:23:58+02:00https://wejn.org/2025/10/llm-write-production-ready-codeMichal JirkůProblem statementAccidentally solving the Swisscom 2025 security.txt challenge2025-09-27T17:27:00+02:002025-09-27T18:59:55+02:00https://wejn.org/2025/09/accidentally-solving-the-swisscom-2025-securitytxt-challengeMichal JirkůFailing to calibrate flame-s-vis-nir-es spectrometer2025-07-31T19:09:00+02:002025-12-25T19:24:21+01:00https://wejn.org/2025/07/failing-to-calibrate-flame-s-vis-nir-esMichal JirkůProblem statement