Applied Go

Good conventions make reading, sharing, and talking about code much easier.

Learning how the world works keeps you from having to blindly

Four methods in Go's reflect package can block dead code elimination and thus increase binary size.

Standard configuration languages lack type safety and verifiability. CUE is a validation language that is perfect for replacing YAML or JSON.

Import dependencies in Go must contain no circles. Here is how to get rid of them

The new function iterators in Go 1.23 have no means for returning an error. But what if the iterator function may fail?

Which CLI command package to choose? Postpone this decision and use a build tool instead

Go's `switch` statement is more flexible that you might know.

Generate Go code from an OpenAPI spec, or vice versa? You decide. These tools help you go both ways.

In Go 1.23, ServeContent, ServeFile, and ServeFileFS remove the Content-Encoding header, affecting middleware that applies on-the-fly encoding.