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Small-Scale Question Sunday for January 18, 2026

Do you have a dumb question that you're kind of embarrassed to ask in the main thread? Is there something you're just not sure about?

This is your opportunity to ask questions. No question too simple or too silly.

Culture war topics are accepted, and proposals for a better intro post are appreciated.

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Does anyone have their own equivalent of a personal "antimeme", a concept you familiarize yourself with (potentially with difficulty) and then inevitably forget unless you make an intentional effort to look it up?

In no particular order:

  • I often have to look up whether I need an x86 or x64 executable when I need to download a program
  • ECGs. Fucking ECGs. I get good at understanding them when I absolutely have to (before exams), but guess what, by the time the next one rolls around, it's all out of my head.
  • Fourier transforms (how they actually work, and not the conceptual strokes)
  • And many more, all of which stubbornly refuse to come to mind, because of course they do.

How many days are in each month. I was once 'taught' how to do it using the knuckles on my hands, but it didn't make an ounce of sense to me at the time. I remember that December has 31 (due to NYE), and January also has 31 and February has 28 (unless it's a leap year). I'll struggle with the rest.

Mnemonic: thirty days have September, April, June, and November. And February is fucked. Have to really emphasize the rhyme, but it's the only way I've gotten it to stick.

Thirty days hath September/April, June, and November/All the rest have thirty-one/Except Januarifebruary, which has seventy-eight.