Category: Programming

Access and refresh tokens are integral components of authentication and authorization processes in modern web and mobile applications. Let’s break down the concepts and differences between them in a beginner-friendly guide What are Tokens? Tokens are pieces of information that applications use to prove the identity of a user (authentication) and grant access to specific […]

Introduction React is a popular open-source frontend JavaScript library that enables us to build user interfaces using a component-based architecture. Despite its popularity, many developers struggle to grasp how rendering works in React. In this article, we will cover what React elements and components are, the rendering process of React, when React re-renders the UI, […]

React render lists of data using the map method. The map method creates a new array by calling a provided function on each element in the original array. This is a useful tool for rendering dynamic lists of data. When working with lists in React, it is important to apply best practises for choosing unique […]

So, you’re excited to delve into the world of front-end development, but the vast amount of skills can feel overwhelming? Don’t worry, we’ve got you covered! This guide breaks down the top 20 skills into bite-sized, beginner-friendly steps to kickstart your front-end journey Core Technologies HTML5 Mastering HTML5 is fundamental for any front-end developer. It […]

While working on a React application, it is not usually necessary to handle DOM since React handle it through its Virtual DOM mechanism which provides a more efficient way to manipulate the DOM. However, there are still situations where you may need to access a DOM element directly, such as when working with third-party libraries […]

SOLID principles are a set of design principles that facilitate the development of maintainable, scalable, and flexible software. These principles were introduced by Robert C. Martin and have become fundamental in object-oriented programming. In this guide, we will delve into the five SOLID principles—Single Responsibility Principle (SRP), Open/Closed Principle (OCP), Liskov Substitution Principle (LSP), Interface […]

Express-Validator is a middleware module for Express.js. It simplifies the process of validating body of the request to ensure that data sent to your server meets the required criteria. This guide will walk you through the basics of using Express-Validator to handle and validate incoming data in your Express.js applications. Installation To get started, you […]

Axios is a popular JavaScript library used for making HTTP requests. It is widely used in web development to fetch data from servers and interact with APIs. One powerful feature of Axios is the ability to create and use instances, which can provide more flexibility and organization in your code. In this beginner’s guide, we […]

Introduction PM2 is a process manager for Node.js applications that simplifies the process of managing and monitoring Node.js applications in production enviroment. In this beginner’s guide, we’ll learn what PM2 is, how to install it, and the key features that make it an essential tool for Node.js developers. What is PM2? PM2 is a process […]

Introduction TypeScript is a powerful superset of JavaScript developed and maintained by Microsoft. TypeScript adds static typing to JavaScript, making it more robust and scalable. This guide aims to provide a comprehensive introduction to TypeScript, covering its basics, advantages, and how to get started. What is TypeScript? TypeScript is an open-source programming language that builds […]