miniblog.

I regularly see the phrase "all Xs are Ys, but not all Ys are Xs" in teaching material. Even material for children! I have to re-read it every time. I very much prefer "Y is a more general category than X" or "X is a subset of Y". Do people find this phrasing helpful, or is it poor pedagogy?

I find it fascinating how some businesses have scheduled downtime for their websites (e.g. my electricity provider last weekend), but others don't. I suspect it's primarily culture. You generally need to turn off electricity to do work, so your other tooling may reflect that.

I'm intrigued to see that Google has quantified that new code is generally buggier and less secure than code that has existed in your codebase for longer: https://security.googleblog.com/2024/09/eliminating-memory-safety-vulnerabilities-Android.html