General guidelines for spaced repetition tell you not to memorize things you don't understand anyway, and say that you only waste your time by doing so.
In general, it helps with indefinite retention. And if you don't do something often, or regularly, any permanent footholds offer some scaffolding to get back up to speed quicker the next time you need to do it.
As a problem approaches looking like learning a language, spaced repetition gets more useful. If you learn a second language, you will probably hit a plateau if you never try to memorize anything, because language has a large set of symbols, some infrequently used, but still critical in some situations.
It probably helps anywhere that "deliberate practice" and "memorization" almost overlap in how they work or in effectiveness, say, in memorizing program hot-keys.
In general, it helps with indefinite retention. And if you don't do something often, or regularly, any permanent footholds offer some scaffolding to get back up to speed quicker the next time you need to do it.
As a problem approaches looking like learning a language, spaced repetition gets more useful. If you learn a second language, you will probably hit a plateau if you never try to memorize anything, because language has a large set of symbols, some infrequently used, but still critical in some situations.
It probably helps anywhere that "deliberate practice" and "memorization" almost overlap in how they work or in effectiveness, say, in memorizing program hot-keys.