Mark Hansen

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.

Indoor Air Quality Sensor: Build or Buy?

Australia's on fire, and smoke is inundating our cities and homes, causing terrible air quality, often over 10x hazardous levels [https://www.abc.net.au/news/2019-12-10/sydney-smoke-returns-to-worst-ever-levels/11782892] . I'

NSW Executor Fees Visualisation

or: bargain-hunting, even beyond the grave When setting up a will, you must nominate an executor to distribute your assets. It's a nontrivial task with some legal liability, so it seems

Book Review: First They Killed My Father

Loung Ung, First they Killed My Father, 2006. 238 pages. [http://www.amazon.com/First-They-Killed-Father-Remembers/dp/0060856262] Before travelling to Cambodia, I wanted to learn a bit about their recent history - what

Losing the Arms Race

Another month, another headling-grabbing bug: * "Patch ASAP: Tons of Linux apps can be hijacked by evil DNS servers, man-in-the-middle miscreants" - The Register [http://www.theregister.co.uk/2016/02/16/