In this article, you will learn about how to use goto statement in Golang. Goto statement is found in many programming languages. It is altered the normal sequence of program execution by transferring control to some other part of the program. The goto statement is also known as the unconditional jump statement. In the Go […]
In this article, you are going to learn about how to use copy function in the Go language. In Go language, you can copy one slice into another slice. To do so, you need to use the copy() function. This function is provided by Go-builtin packages. It simply takes two slices that is dst and […]
In this article, you will learn about the ternary operator in the Go language. A ternary operator is a kind of operator that takes three operands and helps programmers to make decisions. It is a shorter form of if else conditional statement. As it takes three operators, it is called the ternary operator. An example […]
In this article, you are going to learn about how to remove an element from a slice in Go language. In Go language, slice stores a similar type of element which is a sequence of variable length. You will get an error if you try to store different types of elements in the same slice. […]
In this article, you will learn about how to reverse a string in the Go language. Reverse a string means printing a given string from the backward. Like, the first letter of a given string to the last and last one into the first and so on. You can perform this action in Go language […]
In this article, you are going to learn about string concatenation in Golang. String concatenation means the way of adding two or more strings into a new single string. Like other programming languages, Golang has the functionality of string concatenation. In Go language, the string is a read-only slice of bytes that is also known […]
In this article, you are going to learn about how to read file line by line in Golang. Golang is an open-source programming language which is developed by Google. By using Golang you can do so many things, reading files line by line is one of them. To read a file in Golang, we will […]
In this article, you will learn about how to check if a file exists or not in Golang. In Golang, you can check for the existence of a file by using Stat() function. It is provided by os package in Golang. Basically, the Stat() function returns a FileInfo with the named file and it will […]
In this article, you are going to learn about how to convert a float64 number into an integer in Golang. In Golang, datatypes are very strict which means if you declare a variable type as float64 you can not write any other value except float number. If you try to write an integer number into […]
Golang Authentication is the process of recognizing the user’s identity. That means based on users’ credentials, one will be able to perform certain types of action. For example, you have a blog application where anonymous users can visit and see the blogs, but the moment the user wants to do activities like, comment, or create […]
A string value is a sequence of bytes. In the software developer’s life, comparing strings and sorting it is a day to day routine. In this tutorial, we will learn different ways to compare strings in the golang. Using the Comparison operators To check if strings are equal or not, you can use == or […]
In this tutorial, we will create a color cli in golang using cobra library. CLI is a standard interface between a software and a user. A command-line interface (CLI) processes commands to a computer program in the form of lines of text. – Wikipedia Objective of the color cli The objective of the colorcli is […]
In this tutorial, we are going to build a CRUD application in Golang. We are going to use gorilla/mux library for the apis and PostgreSQL DB to store the data. So, without wasting any time, roll up your sleeves. This tutorial is a complete hands-on. Prerequisites Install golang v1.11 or above. Basic understanding of the […]
When you start a project which interacts with the outer world, it requires data exchange. To make a project successful this interaction must be simple and efficient. What is Data Exchange? Data exchange is the process of taking data structured under a source schema and transforming it into data structured under a target schema, so […]
