You have probably seen a file named “go.sum” in almost every Go project you have worked on. You may have even seen it change every time you run “go mod tidy”. But do you actually know what it does? It is one of those files that works silently in the background, and some developers never stop to think about it. The “go.sum” file is one of those files you never really interact with directly, but it
Introduction It’s a wonderful time to be a developer with rich tools, documentation, and artificial intelligence. Still, at least for now and the foreseeable future, developers must learn to write code, as artificial intelligence tools are not perfect and may produce code that is difficult to integrate into an existing code base. For developers just starting out, they need to learn the basics, t