I wish I'd started using autopep8 earlier. It works really well integrated into an editor.
I've tried yapf but it breaks lines in bizarre places so I can't use it in a 'fire and forget' manner yet.
miniblog.
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I've started naming my servers digiocean1.example.com, digiocean2.example.com and so on. I wish I'd done this much earlier.
I already have domain names for the actual deployed services, but it quickly gets confusing when you start moving things around.
I've started keeping a list of particularly interesting bugs and patches that I've worked on: https://github.com/Wilfred/interesting-code
The time that I once removed *a single closing paren* in Emacs is still my favourite.
I've started highlighting constructors like Some and None consistently with type names in difftastic, and the results look so much more readable!
