miniblog.

In my blog post about Emacs keybindings https://www.wilfred.me.uk/blog/2018/01/06/the-emacs-guru-guide-to-key-bindings/ I mention the 'Emacs Guru Test'. It's a cute way of seeing how well you know Emacs, so I'm pleased to have shared it. I didn't invent it though. My googling has totally failed to find the original author.

Interactively decompiling bytecode to see if a refactoring is safe! Smalltalk guru meditation: https://www.mirandabanda.org/cogblog/2017/02/07/smalltalk-scanning-and-shcontrol-structures/