I like "TIL"s for quick references. HashRocket's TIL page[1], for example, often comes up in my searches. I don't know if it counts as a TIL in the way OP means

I like "TIL"s for quick references. HashRocket's TIL page[1], for example, often comes up in my searches. I don't know if it counts as a TIL in the way OP means... 1. https://til.hashrocket.com/ https://til.hashrocket.com/