Mark Hansen

I'm a Software Engineering Manager working on Google Maps in Sydney, Australia. I write about software {engineering, management, profiling}, data visualisation, and transport.

Glorious Parramatta Autumn, 2024

Jun 11, 2024 1 min read Photography

A stunning day to head out and play with a new wide lens. This churchyard tree had such vibrant contrast with the blue sky: Parramatta has seen a lot of construction. I love

Profiling apps installed from apt-get

Apr 23, 2024 6 min read Profiling

How to take performance profiles of Ubuntu/Debian apps (the ones from apt-get) so you can see full stack symbols, even in the kernel, without root.

Backing up Google Photos

Feb 21, 2024 10 min read Backup

How I backup my Google Photos, at full image quality, preserving GPS and timestamps, deduplicating identical images to save disk space.

Low Floor Bed for Cosleeping

Oct 27, 2023 4 min read Baby

How we built a safer, lower floor bed for cosleeping with baby with the IKEA LÖNSET bed base

Fixing Humidifier Red Light: Beurer LB37

Oct 16, 2023 3 min read

Debugging broken water sensor in my Beurer LB37 Humidifier, after it won't turn on, showing a red LED.