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Why black boxes are important
Learning - Abstraction - Effectiveness - Beginners
Yes, Django and React could help professional developers launch a product rapidly and generally be a lot more effective, but for beginners, they won't help you as effectively as lower-level stuff. My solution would be to embrace black boxes more and don't be afraid to get very minute. For beginners, the most important thing is about genuine knowledge acquisition not how quickly you can build a product (which is a lot longer than the tutorials make out).
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