The other tips here are great - I'd like to add that you should also focus on learning mainly what you need. For example, start with the basic motion keys, and as you progress, and say, need to navigate to a matching brace, look that up. Next, if you need another movement or function, look that up as you go.
Personally, I found this helped me avoid getting overwhelmed, and it's fun to continuously learn new things.
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The other tips here are great - I'd like to add that you should also focus on learning mainly what you need. For example, start with the basic motion keys, and as you progress, and say, need to navigate to a matching brace, look that up. Next, if you need another movement or function, look that up as you go.
Personally, I found this helped me avoid getting overwhelmed, and it's fun to continuously learn new things.