The Go Programming Tutorials
Most of the things around us are done through coding: software for designers, robots in factories, engineering calculations and design, and so on. In the modern world, this area has become an integral part of work, education, and recreation. In 2021, it is very important to know at least a few programming languages – this […]
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There are three easy ways to convert byte array to string in Golang. 1. Byte Array to String using Slice This is the easiest way to convert the byte array to string. We can pass the byte array to the string constructor with slicing. Let’s look at a simple example. Output: String = GOLANG 2.
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Sometimes we have to convert int64 to string in Golang. We can use different functions to achieve this. Using strconv.Itoa() to convert Golang int64 to string Golang strconv.Itoa() function can be used to convert int64 to string. Let’s have a look at a simple example. Output: 97 Why not use string() to convert int64 to
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Stings are always defined using characters or bytes. In Golang, strings are always made of bytes. Go uses UTF-8 encoding, so any valid character can be represented in Unicode code points. What is Golang rune? A character is defined using “code points” in Unicode. Go language introduced a new term for this code point called
What is rune in Golang? Read More »
In this tutorial, we’ll be looking at how we can use the Gorilla Websocket package in Golang. This library provides us with easy to write websocket client/servers in Go. It has a working production quality Go implementation of the websocket protocol, which enables us to deal with stateful http connections using websockets. The main repository
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When you’re often working on large projects involving Golang, it’s often time consuming to keep typing the build and test commands go build xx, go test xx, repeatedly. And often these commands itself may become non-trivial. Makefiles provide a very effective way to automate writing tasks for our application. Let’s understand how we can easily
JSON (Javascript Object Notation) is a widely used format for representing data. Due to its easy-to-read format, developers often use JSON files to represent important configuration/environment variables. Apart from this, most RESTful APIs return data encoded in a JSON format, so knowing how to deal with such data can be very useful in real world
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Hello again! While the previous few tutorials were mostly based on simple concepts, we’ll be now looking at a more practical example – Building a custom-made Slack bot using Go! We’ll be now creating our own Slack bot which can push messages to a channel, notifying all users who are subscribed to it. Let’s get
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Hello again! In a previous discussion, we talked about using the native map container in Go. In this tutorial, we’ll be exploring more about maps in particular, by iterating through them. We’ll also have a brief overview of how this scenario changes in a multi-threaded environment as well, so keep reading for more! Now, let’s
Golang – Iterate over a map Read More »
Today we’ll get into a more in-depth look into a package in Go called reflect. It is on the more intermediate to advanced implementation side. In this tutorial, we’ll see what it is and how it is used. For a deeper understanding, you can also check out Implementing reflection in Reflection and Type Switching in Go.
Golang reflect package Read More »