For example, I've gotten decent at regular expressions a few times but have to keep relearning it. Adding insult to injury, I might relearn something from Stackoverflow, and realize afterwards I posted the answer!
Not for trivial stuff. But a string of punctuation with capture groups or whatever, forget about it [1].
Any support for this informal draft definition below?
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Teflon tech (draft definition v0.1 [2])
Knowledge that could be learned by most with reasonable effort, but often must be relearned or is never fully grokked.
This can be due to infrequent opportunities to recall the concepts in a particular role, or insufficient need to apply (thereby practicing) the relevant techniques. It may also occur when a tech is used frequently but the foundational theory is hidden by the use of higher level abstractions.
[1] https://stackoverflow.com/questions/1381097/how-do-i-get-the...
[2] content provided under MIT license.