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.
Go tips and snippets
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 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
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 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 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
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 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
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.