golang

How to Compare Slice Equality in Go

Learn three ways to compare two slices in Go, whether they are equal, have the same length, or contain the same elements.

How to Print the Memory Address of a Variable in Go

Printing the memory address of a variable is sometimes useful for debugging. Here's all the ways to retrieve this value in Go

How to Verify the Validity of a JSON String in Go

If you're looking for a way to verify if a string is valid JSON in Go regardless of its schema, the `encoding/json` package has you covered.

How to Redirect to a URL in Go

The http package in Go allows you to handle URL redirection through its Redirect() method

How to Check for an Empty Struct in Go

This article details a few approaches for checking if a struct is empty in Go, accounting for structs with comparable and non-comparable …

How to use Go with MongoDB

Learn how to use MongoDB as a data store for a Go application through the official Mongodb Go driver

How to test for optional shortcode parameters in Hugo

This article will teach you how to test for the presence of optional shortcode parameters in Hugo

How to restart a for loop in Go

Learn how to reset a for loop in Go so that it starts iterating over the collection from the beginning once again

A Complete Guide to Linting Go Programs

This article demonstrates a comprehensive linting setup for Go projects, and discusses the best way to introduce it into an existing …

Convert integers to roman numerals in Go

Converting an integer to a Roman numeral can be achieved in Go with just a few lines of code

How to Add or Subtract Time in Go

Read this article to learn how to add or subtract time (hours, minutes, seconds) from a timestamp in Go.

How to get the current time in Go

The time package provides a `Now()` method for retrieving the current date and time in the language

How to rewind a file pointer in Go

Searching for how to reset a file pointer in Go? Look no further than this article.

Regular expressions - replacing occurrences in Go

This article covers several ways to perform regular expression replacements in Go including replacing from the end of the text and replacing …

Platform-agnostic way to get a user's home directory in Go

Obtaining the current user's home directory on Windows, macOS and Linux is easy to do in Go with just a few lines of code

How to create a hidden file in Windows, macOS and Linux (Go)

Creating a hidden file or directory is easy to do in Go, but there are differences in how it's done on Linux/macOS compared to Windows

How to get the last path segment of a URL in Go

Extracting the last path segment of a URL in Go can be done through the `path.Base()` method in the standard library

How to check if a file or directory is hidden in Go

For Unix-based operating systems such as Linux or macOS, all you need to do is check if the first character of the file is a dot character. …

How to create a directory if it does not exist in Go

This short article will help you solve the problem of selectively or recursively creating a directory if it does not exist in Go

How to Convert a String to a Slice in Go

The Go standard library provides the strings.Split() method for converting a single string to a slice of strings

How to Convert a Slice to a String in Go

Converting a slice of strings to a single string is easy to do in Go through the strings.Join() method

How to divide numbers in Go correctly

This snippet describes how to avoid weird results when performing integer division in Go

How to perform multipart requests in Go

In this article, you'll learn how to make multipart related requests in Go using standard library packages

How to remove leading and trailing whitespace from strings in Go

Go provides the `strings.TrimSpace()` method for removing whitespace characters from a string

How to detect the Content Type of a file in Go

The Go standard library provides support for detecting the content or MIME types of files through its net/http package

How to check for HTTP timeout errors in Go

This article describes the process for specifically checking for HTTP timeout errors on a Go web server

How to retrieve the base64 encoding for any image in Go

This post will describe how to retrieve the base64 representation of any image using the Go standard library

How to handle template execution errors in Go

This snippet describes how to prevent template execution errors from causing a broken page to be rendered to users.

How to process file uploads in Go

This article will teach you how you can upload single or multiple files to a Golang web server, and show progress reporting on file uploads

How to get a filename without extension in Go

Learn how to get a filename without its extension in the Go programming language

How to run a specific test in Go

Learn how to execute a specific test instead of the whole test suite in Go

How to check if a file or directory exists in Go

This article provides two main approaches to determining if a file or directory exists in Go

How to Convert between Strings and Byte Slices in Go

Learn the easy way to convert a string to a byte slice in Go and vice versa

How to Extract URL Query Parameters in Go

Learn how to access URL query parameters in a request URL using the Go standard library

How to count the occurences of a character in a Go string

Learn how to count the number of times a character occurs in a string using the Go standard library

How to iterate over slices in Go

In most programs, you'll need to iterate over a collection to perform some work. This article will teach you how slice iteration is …

How to Pad a Number with Zeros in Go

This article provides a solution for padding numbers with leading zeros in Go

How to iterate over string characters in Go

Iterating over individual string characters is quite straightforward in Go

How to Convert an HTTP Response Body to a String in Go

This article explains how to parse a web request response and access it as a string in Go.

How to iterate over multiline strings in Go

This article describes how to iterate over each line of a multiline string (such as the content of text files) in Go

How to Count Leading Spaces in a Go String

Learn how to count the spaces before first character of a string in Go

How to convert numbers to strings in Go

Converting a number to a string is easy in most programming languages, and its no different in Go

How to convert a string to an integer in Go

This article deals with the common operation of converting a string to an integer in Go

How to Check the Type of a Value in Go

This article explores various methods to determine a variable's type in Go.

How to Print Struct Values in Go

This article describes all the ways to print struct values in Go for debugging purposes

How to Create Multiline Strings in Go

Creating a multiline string is quite straightforward in Go. This article will show you how it's done

How to Concatenate Two or More Slices in Go

Starting from Go 1.22, concatenating slices is straightforward with the introduction of the `slice.Concat()` method

How to Check If a Slice Contains an Element in Go

Checking if a slice or array contains an item in Go is really easy as long as you're using Go 1.18 or later.

How to check if a string contains a substring in Go

The canonical way to perform this operation is by using strings.Contains, but we'll consider some other options as well.

How to extract a substring in Go

Support for extracting a part of a string is built into Go, but there's one important aspect to consider.

How to work with Data Types in Go

This article will take you through the various basic data types in Go, the operations that can be done on these types, and how to convert …

How to iterate over and order a map in Go

You can iterate over maps in Go but, unlike slices, the order of iteration is not guaranteed. There are ways to get around this, and that is …

How to Check If a Map Key Exists in Go

Learn some strategies for checking if a map contains a specific key in Go.

How to Deep Copy or Duplicate a Slice in Go

The built-in copy() and append() functions help you duplicate slices in Go, but you'll need to watch out for some edge cases

A guide to sorting in Go

This article explores a few techniques in Go that should make the sorting of any data collections a breeze.

5 Ways to Perform String Concatenation in Go

This article explores five different ways to concatenate strings in Go, and explains the pros and cons of each one.

How to check if a file is a directory in Go

In this article, we'll go over some ways to distinguish between files and directories in Go

Working with Variables in Go

In this article, we'll cover some variable basics and best practices for using them within Go programs.

How to list the files in a directory with Go

This article examines some of the ways you can fetch a list of all the files in a directory using stdlib methods in Go.

The Difference between Nil and Empty Slices in Go

This article clarifies the often confusing difference between nil and empty slices in Go, offering guidance on their appropriate use.

How to delete an element from a slice in Go

Unlike other languages, Go does not provide a built-in function for removing an element from a slice

How to read user input from the command line in Go

There are multiple ways to read user input from the terminal console in Go. Let's consider three basic scenarios you are likely to encounter …

How to program a guessing game with Go

This tutorial introduces you to a few common Golang concepts by showing you how to use them to implement a classic beginner programming …

How to Cross-Compile Go Programs for Windows, macOS, and Linux

Cross-compiling in Go allows you to build binaries for different operating systems and architectures than your own

Introduction to the Go programming language and why you should learn it

Go is currently one of the fastest growing programming languages in the software industry. Its speed, simplicity, and reliability make it …

How to split a slice into uniform chunks in Go

Splitting a slice into chunks of uniform sizes is pretty straightforward in most programming languages, and its no different in Go.

How to Build Your First Web Application with Go

This tutorial will teach you how to build a real world web app with Go and how to deploy it to production

How to build a Countdown Timer with Golang

The tutorial provides an exercise in Golang by describing how to build a simple countdown timer