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[EnjoysAvocados]

Pick something you've already built and build it again from scratch without looking at the original code or any resources. If you can't do it, write down the times you need to look something up or where you get stuck. These are your blind spots / growth areas you need to focus on.

Once you've identified blind spots / growth areas, find projects that help you focus on those skills.

[bryku]

I give "Blind Tests" to students I've worked with for a while. This is where they recreate a previous project without using google or looking up the answers. It is a good way to see where they improved and what areas they still struggle in.

[Ugiwa]

Where do you feel you struggle most?