Node.js is celebrated for its non-blocking, event-driven architecture. A core component that embodies this philosophy is the Event Emitter. Let’s venture into understanding its significance, usage, and best practices. What is Event Emitter? The Event Emitter is a module in Node.js that facilitates the management of events and listeners. It allows objects to emit named […]
Every developer is familiar with the significance of web security, and in that realm, Cross-Site Scripting, popularly known as XSS, is a frequent culprit. Delve into an in-depth understanding of XSS and strategies to mitigate it. Defining XSS (Cross-Site Scripting) At its core, XSS is a web security vulnerability that allows attackers to inject malicious […]
Web security is crucial in today’s digital landscape. With the increasing threats of cross-site scripting (XSS) and other malicious attacks, it’s essential for developers to ensure their web applications are safe. This is where the Content Security Policy (CSP) comes into play. What is Content Security Policy (CSP)? Content Security Policy (CSP) is a security […]
Migrate from JavaScript to TypeScript for its robust type-checking capabilities, they often confront a common confusion: when to use interfaces and when to leverage types. Let’s unravel this mystery. Understanding Interfaces in TypeScript Interfaces in TypeScript facilitate the definition of contracts within your code, and they enforce these contracts across your objects, classes, and functions. […]
In JavaScript, arrays have numerous methods. Here’s a list of the commonly used array methods available: push Array.prototype.push() Add one or more elements to the end of an array and return the new length. const jottupFruits = [‘apple’, ‘banana’]; const newLength = jottupFruits.push(‘cherry’); console.log(jottupFruits); // Expected output: [‘apple’, ‘banana’, ‘cherry’] console.log(newLength); // Expected output: 3 […]
What are Functions? Functions in JavaScript are objects that allow you to encapsulate a piece of code so it can be reused and invoked throughout your program. They can accept parameters and return values. What is Function Declaration? Function Declaration allows you to define a function using the function keyword, followed by the name of […]
JavaScript, known for its asynchronous capabilities, revolutionized with the introduction of Promises. A clear way to deal with asynchronous operations without sinking in the callback hell, Promises pave the way for more readable and maintainable code. Let’s dive deep into the world of Promises! The Essence of Promises A Promise in JavaScript represents a value […]
Prototype is fundamental concepts that every JavaScript developer should understand. In this comprehensive guide, we’ll dive deep into the concept of prototypes, uncover its significance, and explore how it can enhance your JavaScript development journey. Understanding Prototypes At its core, JavaScript is a prototype-based language. This means that objects can inherit properties and methods from […]
Git branching strategies are critical to maintaining organized and efficient development flows. Whether you choose the GitFlow framework, the simplicity of GitHub Flow, the collaboration of GitLab Flow, or the speed of Highway-based development, each strategy offers unique benefits. GitFlow: Structured workflow for complex projects Developed by Vincent Driessen, GitFlow is a branching model for […]
Understanding how worker threads, child_process, and clusters work in Node.js is critical to developing high-performing and scalable applications. Worker threads let you offload CPU-intensive tasks to separate threads, child processes let you run external commands or run other Node.js scripts without blocking the event loop, and clusters make better use of CPU cores to handle […]
If you’ve ever worked with modern JavaScript frameworks like React, you may have come across the term “virtual DOM”. This is a powerful concept that greatly improves web application performance. In this article, we’ll take a look at what virtual DOM is, how it works, and why it’s important in the web development world. Understanding […]
In this comprehensive guide, we will explore various methods for storing data in the browser using JavaScript, ensuring you have the knowledge to make informed decisions and implement the most suitable approach for your projects. 1. Understanding the Need for Browser Data Storage Before diving into the different techniques, let’s explore why we need to […]
Table hashing is a fundamental data structure used to efficiently store and manage key-value pairs. This is critical for developing high-performance applications that require fast data retrieval and processing. In this article, we’ll explore the concepts, principles of operation, and practical examples of table hashing. What is table hashing? Table hashing is a data structure […]
React Hooks, the powerful feature introduced in React 16.8. React Hooks are functions that allow you to use state and other React features in functional components, making it easier to manage stateful logic and reuse code. In this article, we will dive into a comprehensive list of React Hooks and explore how they work, providing […]
Fundamentals of variables in JavaScript, how they work, their scope, and best practices for using them in your code. Whether you are a beginner or an experienced developer, this guide will provide you with valuable insights into working with JavaScript variables. What are Variables in JavaScript? In JavaScript, variables are containers that hold data. They […]
Git and its commands is essential for efficient version control and collaboration. Git provides a plethora of commands to manage your codebase effectively. In this comprehensive guide, we’ll explore various Git commands, what they are used for, and provide engaging examples of how to use them. What is Git? Before diving into Git commands, let’s […]
To copy a file between servers, there are several ways to achieve this. One of the most common methods is to use the “scp” command in a terminal window. This command stands for “secure copy” and is used to copy files securely between servers over a network. How to copy file from local to server […]