I am a big proponent of cheat sheets over rote memorization (which is one of my complaints about how Google hires). When teaching I make sure to point out Elisabeth Hendrickson’s excellent Test heuristics Cheatsheet to every class. The reccomendation goes something along the lines of ‘print this out and pin it over your monitor.’ Given that prelude, the discovery of Dave Child’s list of cheat sheets should not be too shocking. There are two pages of them currently, but here are the most relevant to testing.

Other cheat sheets (updated as I find them):