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What a strange advice. So much to disagree with, but I'll just stick with algorithms specifically. Only once I went through ds & algo, after a relatively long career, that I understood what Linus Torvalds meant by "bad programmers worry about the code. Good programmers worry about data structures and their relationships."

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> Linus Torvalds meant by "bad programmers worry about the code. Good programmers worry about data structures and their relationships."

That's why I wrote: 'Unless you are directly involved in writing algorithms or academic research, you really won't be proving time and space complexity of algorithms in your job. A general understanding is sufficient for 99% of the jobs out there.' If you are developing a kernel, then you should have a solid understanding of algorithms, data structures, etc. But 99% of programmers aren't developing kernels. 99% of programmers are working in industry - finance, healthcare, government, etc.

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