Profolio HubNode.js Interview Essentials: Building RESTful APIs with Node.js and ExpressRESTful APIs have become the backbone of modern web applications, enabling communication between clients and servers in a standardized way…Sep 22Sep 22
Profolio HubUnderstanding DNS in System Design InterviewsDNS (Domain Name System) is a fundamental building block of the internet, serving as the “phonebook” of the web. DNS translates…Sep 16Sep 16
Profolio HubNode.js Interview Essentials: Node.js Module System — CommonJS vs. ES ModulesModules are a cornerstone of any Node.js application. They allow you to organize your code into reusable components, making your codebase…Sep 13Sep 13
Profolio HubA Comprehensive Guide to the Domain Name System (DNS)The Domain Name System (DNS) is one of the most crucial components of the internet, though it often works silently in the background. Every…Sep 10Sep 10
Profolio HubPerforming CRUD Operations, Pagination and Transactions in MongoDB with Node.jsIn the previous blog, we covered the essentials of data modeling in MongoDB using Node.js, delving into practical examples and advanced…Sep 9Sep 9
Profolio HubNode.js Interview Essentials: Understanding the Event LoopThe event loop is a fundamental concept that lies at the core of Node.js’s non-blocking, asynchronous architecture. It’s what allows…Sep 8Sep 8
Profolio HubDesigning for Fault Tolerance in System Design InterviewsIn large-scale systems, failures are inevitable. Whether it’s a hardware malfunction, network issue, or software bug, systems need to be…Sep 6Sep 6
Profolio HubAdvanced JavaScript Concepts: Event Loop, Microtasks, and Asynchronous ProgrammingIn JavaScript, understanding how asynchronous operations are handled is essential for writing efficient and performant code. The event…Sep 5Sep 5
Profolio HubNode.js Interview Essentials: Mastering Promise API UsageIn the previous blog, we explored the basics of asynchronous programming in Node.js, focusing on callbacks, promises, and async/await. In…Sep 3Sep 3
Profolio HubObject-Oriented JavaScript Interview: Prototypes, Inheritance, and the this KeywordObject-Oriented Programming (OOP) is a crucial concept in JavaScript, especially for full stack developers who need to build scalable and…Sep 2Sep 2