Golang provides a package for logging named log, which is a simple logging package. This package doesn’t offer leveled logging; if we want leveled logging, we have to manually add prefixes like debug, info, and warn.Even the Golang log package doesn’t have the leveled log functionality,...
Before installing Golang on Debian, update your system to ensure all system packages are up-to-date and avoid potential conflicts. To do this, open your terminal and run the following command: sudoaptupdate&&sudoaptupgrade Download Golang Tarball To download the latest version of Go, visit the...
In Golang, we return errorsexplicitlyusing the return statement. This contrasts with the exceptions used in languages like java, python. The approach in Golang to makes it easy to see which functionreturns an error? In Golang, errors are the last return value and have type error, a built-...
In this article we show how to work with Binance exchange in Go using the go-binance package. The go-binance is an unofficial Golang SDK for binance API. Binance is a popular cryptocurrency exchange. Binance offers both public and private APIs. For private APIs, we need to provide the ...
Here is an example of using theAbs()function to get the current Golang executable file: package main import ( "fmt" "log" "os" "path/filepath" ) func main() { dir, err := filepath.Abs(filepath.Dir(os.Args[0])) if err != nil { log.Fatal(err) } fmt.Println(dir) } ...
How to change default log module logging format in Golang Logging is a very important feature of an application in production, without which it's impossible to debug any problem that may occur in the application. Go log package is an incredible package that enables Go developers to log message...
In the Go programming language, to join the given multiple paths into a single path – we use theJoin()function ofpath/filepathpackage. TheJoin()function joins any number of the given path elements into a single path, separating them with an OS-specific Separator. ...
TheString()method, overriding the default behavior, formats a string combining a preset message and thebarfield’s value usingfmt.Sprintf(). In themain()function, an instance ofmyStructureis created with the string"Hello, World! GoLang is fun!"assigned tobar. ...
Ideally, we would want all downstream components of a process to halt, if weknowthat the process (in this example, the HTTP request) halted: Now that we knowwhywe need cancellation, let’s get intohowyou can implement it in Go.
Sorting slices of structs is a common task in GoLang, and the language provides several methods to achieve this, each with its advantages and use cases. In this article, we will explore three prominent approaches for sorting slices of structs: using sort.Slice, sort.SliceStable, and sort....