One-liner for serving static files in Go explained
Whenever I want to set up a server for serving static files in Go, which is not often, I always have to spend some time to figure out the following one-liner. http.Handle(“/images/”, http.StripPrefix(“/images/”, http.FileServer(http.Dir(“./images”)))) What confuses me probably the most here is all three strings being practically the same. So in this post I will…
Error handling in concurrent programs in Golang
Error handling in concurrent programs in Go consists of little more work than if err != nil { return err } because the return value doesn’t reach intended receiver (for example in parent function where function was fired as a goroutine using go keyword). Just as we use channel for sending resulting data, we must…
Libraries over frameworks
Lately (in term of years) I noticed I prefer using libraries over frameworks. Or in other words I like to use packages that each do their one thing well rather than one package with all batteries included. I recognize both libraries and frameworks have their pros and cons. You can see my preference for libraries…
Context package in Golang
Go has a package named context in its standard library. It’s responsibilities are cancelations and carrying request-scoped data (but that doesn’t mean it’s only used in HTTP handlers). I’ve learned it in two parts. For a long time I used it only for storing request-scoped data in HTTP middlewares, but recently I’ve learned the rest…
A Movie Downloader (a weekend project in Go)
Last weekend’s project I made was a CLI downloader, named A Movie Downloader (movie-dl), that searches for a movie and downloads both magnet link and a matching English subtitles. A magnet is then opened with Transmission that handles its download. Subtitles are placed in a folder where a movie will be downloaded. That meant that…