Optical disks can suffer from a 'rot' where the material degrades over time, rendering the content unreadable: https://www.vice.com/en_us/article/mg9pdv/the-hidden-phenomenon-that-could-ruin-your-old-discs
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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?
A cute systemd feature to get the system clock roughly correct: if the system time is before the compilation time of the systemd binary, it moves the clock forward to that time!
https://lwn.net/Articles/714355/
Here's a weird UI pattern I haven't seen before. This sanitizer will keep things clean for 24 hours, so the time counts *down*.
Every time I see it, it looks like 24 hour clock showing the wrong time!