If I learn something, it's usually because I want to implement it. After it's implemented, it's in a source control repo somewhere. While I often don't rememb

If I learn something, it's usually because I want to implement it. After it's implemented, it's in a source control repo somewhere. While I often don't remember exactly how something works, I will remember where/when I implemented it, so I can just pull up the code from that repo and I have a working example, which I myself wrote.