Posts about go
A Simple Queue Implementation in Golang with channels
In this post, I’m going to show the way how we can implement a simple queue in Golang, using channels.
go queue channel goroutine
How to Sort Strings With Go Alphabetically in Any Language
In this article I’m going to show how easy we can sort strings alphabetically in different languages, using Go. It seems like an easy task if we want to sort English words, however, it’s not so trivial if we want to sort correctly strings with special characters or in other languages, i.e Cyrillic based.
go sorting alphabetical sort
How to Control Router Access Permissions in Go Web Apps
In this post I’m going to describe how can we limit user access to the specific url in golang web application. I will use chi router - a lightweight, idiomatic and composable router for building Go HTTP services.
go router chi
How to test database interactions in golang applications
Testing of functions with database interactions always was challenging. Recently, I found a wonderful library go-sqlmock which will simplify writing tests and mocking database queries in golang applications a lot.
go testing sql
Go middleware example. How to alter a handler result
Let’s imagine a situation when you want to alter the result, returned by some http handler to the client. Fortunately, Golang provides an easy mechanism for that, called a middleware. I’m going to dive directly to the source code, to save your time.
go middleware