Golang

In this post, we are going to explore how to write into files in Golang. Go has the io, os, and ioutil (deprecated in Go1.16) package which makes writing a file a lot easier. So, let’s see what are the different ways we can do it. First step: Creating a File In order to write […]

Reading files is one of the most essential tasks in programming. It allows us to see content, modify and write it using programming. In this post, we will see how to read file contents in Go. 1. Open a file for reading The first step is to open the file for reading. We can use

Printing data to the console is an essential task that not only helps debug the code but makes us write good code. In this post, we are going to take a look at the Println() function in Golang, which is a variadic function. Golang Println() Method Signature The method signature of the Println function is

String formatting is essential when we need to create a string dynamically. String formatting makes our lives easier by allowing us to do things that can take much longer if done some other way. For example, we need to print a hex value of a number. Using string formatting it is a lot easier. In

String splitting is a task that is needed when we want to manipulate strings. When data comes in a long string, we may need to split it into the required pieces. One of the very common use case is splitting a CSV string into different values based on the delimiter. In this post, we will

We need random numbers for a lot of reasons. It may be due to some basic reason or cryptographic. Complete random number although is not possible to generate but pseudorandom numbers can be used in their place. The pseudorandom numbers are a deterministic sequence of numbers that depends on a seed value. In this post,

Comparing strings together is an important task that is almost unavoidable in large programs. In this post, we will see different ways of comparing strings in Golang. 1. Using the Golang Comparison Operators There is a multitude of comparison operators in Go. Each operator works in the way it looks. We will see what are

String concatenation is one of the most essential aspects of programming. Strings are building blocks of programming. In this post, we will explore different ways to concatenate strings in Golang programming language. 1. Golang String concatenation using the plus operator The plus (+) operator can be used to concatenate strings. It is generally the most

In most of the programming languages, there is an operator (?:) called ternary operator which evaluates like an if-else chain will do. But, Go does not have a ternary operator. In this post, we will dive into why it is absent in Go. What is the ternary operator? The ternary operator is the ?: operator

The while loop is a very important construct in general programming. But in Go, there is no loop called while. There are only for-loops. The while loops can be emulated using the for-loops in Go. So, here are some examples of how it can be done. How to construct while loop in Golang? The while