Today I learned that the diagram style that shows two or more vertical lines with actions going from line to line is called a sequence diagram, and it’s a UML thing (we never got in to UML when I was
PlantUML, sequence diagrams
iPhone GPS .. untrustworthy
All of the photos in the bottom half of this screenshot were taken in the same place. The GPS module of the iPhone XS that was use has placed the photos in 5 different places, and only one of them
Changing hosting providers
I’ve been hosting this site on a Xen host in the UK for the past year – it was cheaper than running the server in-house, and the uplink bandwidth is certainly more than the 1 Mbit/s that my home ADSL
New tricks: Exchange “Send As”
For the longest time, my understanding was that Exchange only allowed ’send on behalf of’ through the delegation interface (and thus stamped in the message headers). Turns out that if an admin with sufficient rights accesses the Security of another