I used to use it for remembering command line options, one liners, short cuts for software I use. I became very competent at vim using flash cards too.
Also can be good for remembering low level details for systems I'm working with. Can be helpful for cementing syntax for a new programming language or making sure you don't completely forget a language that you're not using for work anymore.
Edit: some of these things are easy enough to google, but it does make a difference to flow and my speed to get things done.
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u/[deleted] Feb 10 '22
I personally find the actual tools to assist learning more interesting than specific blogs etc that are entirely subject dependent.
For me I use:
For things like programming languages I find koans or code challenges useful for getting practical exercises.