Turn off macOS screenshot floating thumbnail
The floating thumbnail thing that's how macOS screenshots work now is really quite annoying. This tweet contains handy information on how to turn it off.
"Or, what I learned while studying apoptosis"
Amusing paper talking about how biologists approach problems, or something.
Good little article about the pitfalls of using boolean values as parameters for a function. Not the first time I've seen this sort of thing (I'm sure I read a similar article years before, and a similar thing in a coding book even earlier).
Still good advice.
At least it's a little better in languages with keyword arguments.