Preventing RAID spin-ups: Running dropboxd in scheduled windows using systemd
Introduction I use Dropbox to back up my smartphone photos in full resolution to my home server, allowing me to […]
Fixing mdadm RAID “6: Invalid argument” on USB Enclosures
Introduction Replacing RAID disks is normally fairly routine in my setup, but this time I hit a persistent Invalid argument […]
New silent and powerful Linux NAS and Server
Building My New Linux NAS and Server (2024 Edition) In 2011, I shared a post (Rebuilding and updating my Linux […]
Proshop.dk – utrolig skuffende RMA og support proces
Introduktion Jeg har været en tilfreds kunde hos proshop.dk i mange år, med 17 handler indenfor de seneste 2 år. […]
Enhancing pandas groupby with bootstrapped confidence intervals
Introduction Pandas is a powerful data manipulation library in Python, and its groupby function is a handy tool for aggregating […]
Storytelling with data
On December 1st, 2022, I held a presentation at Pydata Copenhagen on the topic of storytelling with data. It was […]
Using Pandas Named Aggregates with groupby
Something I use very often in pandas is named aggregates in groupby’s, but I keep forgetting the somewhat strange syntax, […]
Vectorized GPS distance/speed calculation for pandas
Introduction The haversine formula implemented below is not the most accurate distance calculation on the surface of a sphere, but […]
