说明：  The contents include basic concepts of machine learning, linear regression, logical regression and discriminant analysis, advanced selection characteristics of linear models, K-nearest neighbor and support vector machines, etc.
(The practical combination of Go and Web development includes solutions to real problems. First, it gives a general introduction, then specific code. It covers the knowledge of text processing, form processing, session management, database interaction, encryption/decryption, internationalization and standardization, and the deployment and maintenance of programs. Finally, it introduces a framework for rapid development.)