Apple Watch Ultra is a poor dive computer

Note: this was written in 2021 (and updated in 2022) based on version 1 of the Oceanic+ app. In September 2023 version 2 of that app was released, and it appears to have fixed quite a few limitations (e.g. you can finally export your log book, as a standard UDDF file). Once I’ve gathered some… Read more

Preventing system sleep in Ventura

Ventura’s new System Settings app, replacing System Preferences, removes the ability to control quite a few important things. One of those is whether or not the system goes to sleep automatically. Well, it does let you control this setting but only for when the system is on mains power: By default the system will sleep… Read more

Performing a delayed and/or repeating operation in a Swift Actor

Say you want to perform some operation after a delay, and/or at regular intervals, inside a Swift actor – maybe your actor represents a weather station and you want to periodically fetch the latest weather information, automatically. How do you do that? You could punt the problem to some other code, outside the actor –… Read more