Personally, I think it depends. Its more pragmatic to think about "when is it the right moment to use this approach", instead of "what is right or wrong". Usual

Personally, I think it depends. Its more pragmatic to think about "when is it the right moment to use this approach", instead of "what is right or wrong". Usually when it is related to some concept I need to understand, I would alternate between 40% reading and 60% doing. If it is related to some theory that requires in depth knowledge to get it right(and hard to understand), I would alternate between 80% reading, 10% doing, 10% reflection. If it is a tiny task, I'll alternative between 5% reading, 95% doing. If copy pasting or it is something I know, 100% doing. If I'm reading something that fundamentally affects how I program or think, I'll alternative between 80% reading, 20% reflection. I use to be a perfectionist(listen more to myself), now I'm more pragmatic(listen more to the world). Ultimately, it comes down to what you are comfortable of not knowing, but still can get shit done and progress.