Tuan Nguyen

Convert HTML to text in Go, strip HTML tags, read HTTP response body with io.ReadAll, parse HTML with golang.org/x/net/html, extract body text or body HTML, and know when html2text or bluemonday fits better.

URL encode and decode strings in Go with net/url: QueryEscape, QueryUnescape, PathEscape, PathUnescape, url.Values, ParseQuery, and url.Parse with RawQuery.

Learn how type assertion works in Go on interface values: concrete types, x.(T) vs comma-ok, panic rules, type switches, and how assertion differs from type conversion.

Remove backslash from a string in Go with strings.ReplaceAll or strings.Replace, including raw literals and optional cleanup. Related: golang remove substring and golang remove characters.

Golang reflection with reflect.TypeOf and reflect.ValueOf, Kind vs Type, struct fields and tags, settable values and Set, reflect.New, MakeSlice MakeMap MakeChan, MakeFunc wrappers, StructOf limits, Value.Call, …

Why Go says cannot find package or package is not in GOROOT (or GOROOT/GOPATH), how modules fix it, and fixes for go build, go install, and the -o with multiple packages error.

Deep guide to json.Unmarshal in Go: []byte and pointer rules, structs with tags, maps and float64 numbers, slices, nested JSON, any decoding, null, json.RawMessage, unknown fields vs Decoder.DisallowUnknownFields, …

Learn how to parse JSON in Go using encoding/json: JSON strings, files, HTTP bodies, structs, maps, nested data, json.Unmarshal, json.Decoder, and common errors.

Learn how to uninstall Golang (Go compiler) on Linux, macOS, and Windows. This guide explains how to remove Go installed using tarball archives, package managers, Homebrew, or installers, including cleaning environment …

Learn how to remove or uninstall a Go package added with go get or go install. This guide explains how to remove Go module dependencies from go.mod, uninstall globally installed Go tools, clean module cache, and undo …

Learn about the Golang Gopher, the official mascot of the Go programming language. Discover its origin, creator Renée French, history, design evolution, and why the Go community uses the gopher as its iconic symbol.

Compare the best IDEs and editors for Go development: VS Code, GoLand, Neovim, Zed, LiteIDE, Sublime Text, and Emacs—use cases, trade-offs, setup checklist, and legacy tools to avoid.

Step by step instructions to upgrade go in Linux, Windows and MacOS.

You can use import to import the package and then reference the struct using package.StructName wherein the name of Struct must start with Capital letters to make it gloabally accessible.

30+ golang interview questions and answers for Junior (Beginner), Middle and Advanced (Experienced) professionals

In this tutorial we learned how to create HTTP Server and Client using golang JWT (JSON Web Token)

In this series, we will learn how to set up a serverless framework example for Golang and AWS Lambda. First of all, we are going to walk through how to create

Comparing different aspects of golang with rust programming language

Discover the transformative power of Golang Chi in web development. Our comprehensive guide provides insights and practical knowledge, equipping you to create robust, flexible, and efficient web services, mastering the …

Examples to setup golang websokcet server and client for testing purpose.

In this example we will use golang channel to fetch the goroutine return value:

Golang sqlite tutorial with CRUD Operation. Executing commands on SQLITE database, Select statement, Insert, Read and Delete Operation with examples

golang viper tutorial to source YAML, JSON or ENV files and get variables. Set default values for empty or missing variables using viper.SetDefault

In the previous article, I introduced to you the ways to work with SQL in Golang. You don't need to change the defaults for the sql.DB connection pool for the

Multiple examples covering golang generate random string using rand function. Generate alphanumeric, special characters, uppercase, lowercase strings

This article describes a few methods for determining whether a struct in Go is empty. It includes structs having fields that are comparable and

In the previous chapter, we discuss how to use append function in Golang. append is a built-in function which appends elements to the end of a slice. If it

In this tutorial we will share different methods to print or get logrus line number, file name, function name of the go code.

Learn how to pass array to function in golang using different examples

There are multiple ways we can pass slice to function in golang. We will explore through some of the examples