CuriosityTech

Day 16 – Redux for State Management in Large React Apps

Leave a Comment / MERN Stack Developer /

Introduction As React applications grow, something invisible but dangerous starts to happen:state chaos. Buttons stop responding correctly, data appears in the wrong place, and bugs become unpredictable. This is where Redux becomes essential. It brings order, structure, and predictability to large-scale React applications. At CuriosityTech, Redux is not taught as a library — it is […]

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Day 12 – REST API Development in Express.js Step-by-Step

Leave a Comment / MERN Stack Developer /

Introduction When modern applications talk to each other, they do not use HTML pages. They use APIs.Every mobile app, React dashboard, payment system, and cloud service communicates through REST APIs. In the MERN stack, Express.js is the gateway that handles this communication. After two decades of building backend systems, I can confidently say that the

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Day 8 – Node.js Fundamentals: Event Loop & Modules Explained

Leave a Comment / MERN Stack Developer /

Introduction When developers move from frontend to full stack using MERN, they enter a new world: server-side JavaScript.Node.js is not just another runtime — it is what allows JavaScript to leave the browser and power servers, APIs, real-time apps, and enterprise platforms. In professional training environments like CuriosityTech, where learners are groomed for real company

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Day 12 – RecyclerView and Adapters in Android Development

Leave a Comment / Mobile App Developer Android /

Introduction In modern Android apps, almost everything is a list. Messages, products, videos, notifications, contacts, news feeds, and settings all appear as scrolling collections of items. Behind every smooth scrolling list in an Android app is a powerful system built around RecyclerView and Adapters. For beginners, lists may look simple, but for professional developers they

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Day 4 – HTML, CSS & JavaScript Basics for MERN Beginners

Leave a Comment / MERN Stack Developer /

Introduction Every MERN developer dreams of building powerful React interfaces and scalable Node.js backends. But what most beginners do not realize is that every advanced MERN application is still built on three silent foundations:HTML, CSS, and JavaScript. After more than two decades of writing and reviewing web applications for startups, enterprises, and SaaS companies, I

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Day 8 – Data Storage in Android SharedPreferences SQLite and Room

Leave a Comment / Mobile App Developer Android /

Introduction Every Android app that feels intelligent and personal is powered by data. Whether it is a fitness tracker saving your steps, a shopping app remembering your cart, or a learning app storing your progress, data storage is what makes the experience continuous. Without it, every app would forget everything the moment it closes. In

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