miniblog.

If I'm about to run a complex or scary terminal command, I like putting echo in front of it: $ echo dd if=/dev/urandom of=/dev/... It's a nice way of having a last check of your command. The command is now in your scrollback, as well as your history.

Cryptocurrencies are one of the few places where white papers are celebrated. Sometimes it's just a tickbox exercise, but it does encourage thorough, up-front discussions of design.

Learning about OCaml's OO features today. It rather reminds me of Go: you don't need to do up-front design of what common methods your objects have. Its type is just its methods (structural typing AIUI). You don't even need to define classes at all! Just return an object.