Understanding Singleton Design patternThe Singleton pattern is useful in scenarios where exactly one instance of a class is needed to coordinate actions across the system.4 min read·abhavgoel.hashnode.devAug 4, 2024
Binary lifting - Kth ancestor queriesBinary Lifting(DP on trees). Many of you must have heard about binary lifting and must have been intimidated by the thought of it(even i was). Then i thought to learn about the concept and write a blog for the same making things easier for the commun...4 min read·abhavgoel.hashnode.devAug 2, 2024
OTP based password reset functionality in Node.js and Express.jsPassword reset functionality is crucial for any web application that handles user authentication. Today, we will walk through the implementation of an OTP (One-Time Password) based password reset system using Node.js. This feature ensures that only u...4 min read·abhavgoel.hashnode.devAug 2, 2024