In web development, there is one golden rule: Never trust user input. Whether it is a login form, a search bar, or an environment variable, unvalidated data is a leading cause of bugs and security vulnerabilities. For a long time, developers relied on manual if/else checks or complex Regex to validate data. But then came Zod. Imagine you have an endpoint that receives a user profile. Without a sch
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