Golang

Logging is an important task that needs to be done properly when creating large software. It is almost essential in enterprise-level software creation. In this post, we will discuss the logrus package. It’s an external logger package for Golang. Installing logrus To install logrus we need to run this command from the terminal: This command […]

The crypto/rand package in Go implements the cryptographically secure random numbers. There are three functions in this package in total that we are going to cover here in this post. Required imports To use this package we will import it and also import the math/big package for big numbers that will be used in the

GOPATH and GOROOT are two most essential PATHs in Golang. The go tool uses it to do the task in a better way. Now, we are going to take a look at what each one represents. GOPATH in Go Programming The GOPATH is the home path where the Go code resides. This path is defined

Timezones differ by country. Times differ by time zones. So, it’s really important to keep track of all the time zones there are and the conversions between them. In this post, we are going to take a look at different time zone conversions in Golang. Get time in different timezones Now, we will see how

The io package in Go provides input-output primitives as well as interfaces to them. It is one of the most essential packages in all of Golang. In this post, we are going to take a look at what this package offers. Fundamental types The io package provides two very fundamental types the Reader and Writer.

Go has a very flexible module system. From version 1.11 Go supports the use of modules. In this post, we are going to create a simple module in Go. What is a Go Module? A module is a collection of packages in a versioned manner. A go module contains go.mod file in the root directory.

Regular Expressions are one of the most important inventions in Computer Science. In this post, we will discuss some of the most common ways Go handles regular expressions using regexp package. Required imports To work with regexes we need to import the regexp package. Golang Regular Expression Examples Here are some examples of regular expressions

RSA is a widely used cryptographical algorithm that uses public-key cryptography. It is one of the most important algorithms out there. This post will provide ways to generate RSA keys in Golang. How public-key encryption works? Public key encryption uses two different keys named as the public key and private key. The sender encrypts the

The Advanced Encryption Standard (AES) aka Rijndael is an encryption algorithm created in 2001 by NIST. It uses 128-bit blocks of data to encrypt and is a symmetric block cipher. In this post, we are going to encrypt and decrypt data using AES in Go. Required imports We will need the crypto/aes package for it

Exec is a subpackage in os package. It can be used to run external commands using Go. This post will provide some examples of how to get started using it. Required imports To use this package we need to import as follows: Running commands using Golang exec Package We can run any commands we wish.