MERN Stack

Day 16 – Redux for State Management in Large React Apps

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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

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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

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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 13 – Connecting React Frontend to Node.js Backend

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Introduction In a MERN Stack application, the frontend (React) and backend (Node.js + Express) must communicate seamlessly to deliver dynamic, interactive experiences. Connecting React to Node.js is critical for fetching data, submitting forms, performing authentication, and displaying real-time updates. CuriosityTech.in emphasizes full-stack integration, teaching learners how to establish secure, efficient, and scalable connections between frontend

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Day 17 – WebSockets & Real-Time Communication with MERN Stack

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Introduction Modern web applications increasingly demand real-time interactivity, such as live chat, notifications, dashboards, or collaborative tools. In MERN Stack development, WebSockets enable bi-directional communication between the client (React) and server (Node.js + Express), going beyond traditional HTTP request-response patterns. CuriosityTech.in emphasizes real-world applications of WebSockets, allowing learners to implement live features in MERN projects

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Day 5 – Introduction to React: Building Your First Component

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Introduction React has become the backbone of modern frontend development. As the “V” in the MERN stack, React empowers developers to create dynamic, responsive, and highly interactive user interfaces. Understanding how to build components in React is the first step toward becoming a proficient MERN Stack developer. React components are the building blocks of any

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