Most self taught colleagues I've worked with, and others as well, are missing skills in writing good clean code. If you write good code everything else will be much easier to fix later e.g. performance issues, bugs.
So I'd suggest reading "Clean Code" by Robert Bob Martin, he's not only fun to read and watch holding talks, but is good at explaining things so that they make sense.
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Most self taught colleagues I've worked with, and others as well, are missing skills in writing good clean code. If you write good code everything else will be much easier to fix later e.g. performance issues, bugs.
So I'd suggest reading "Clean Code" by Robert Bob Martin, he's not only fun to read and watch holding talks, but is good at explaining things so that they make sense.