I completely relate. Other things I learnt "formally": - regexps (this is a big one, being able to write a complex regexp without thinking about it is amazing)

I completely relate. Other things I learnt "formally": - regexps (this is a big one, being able to write a complex regexp without thinking about it is amazing) - Git - basic JS when it was mainly used to add snow on your page Taking the time to properly learn things is extremely valuable.