A list of useful computing related concepts everyone, regardless of technical background, shoud learn.
- Regular expressions. Whether you use spreadsheets to parse data or comb through text files a lot, regex can superpower your search abilities. Almost every editor supports regex these days. Also, for that rare occasion you need to bulk rename something and the built-in options just aren't enough, regex will come to the rescue.
- UML. In many ways using UML is much easier than manually arranging diagrams for the perfect presentation (not to mention, Powerpoint shapes are not always cooperative). The templates cover many general use cases, so finding an appropriate one should be easy.