(For beginners: you should choose some books with more comprehensive content, and the content in the book should be organized in a reasonable way, you can achieve a step-by-step effect when using the book, and the code in the book should be explained in detail. Try to buy translated books, as these are generally easier to understand and easier to speak. Be careful before buying a book. If you buy a book that is not easy to use, it may have an impact on your enthusiasm for learning. About brothers who have mastered VC: Developers of this level should deepen their understanding of system principles and key technologies. It is necessary to choose some books with a more thorough explanation of the principle, so as to have a more understanding of the new technology, the best book has a certain discussion on the use of the technology. Try to choose a book with a more concise demonstration code, which can save money. In addition, it is best to dabble in some auxiliary books.
VC Basic Tutorial.pdf)