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MERN-QnA

90 posts

Deployment Basics in MERN

Last Updated: 23 July 2025

Deploying a MERN stack application involves hosting both the front end and back end on a live server, making it accessible to users over the internet. MERN stands for Mong...read more

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How to handle internationalization with Hooks in React ?

Last Updated: 23 July 2025

Handling internationalization (i18n) involves using the state to manage the current language and updating the UI based on the selected language. This typically includes cr...read more

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How to handle analytics tracking with Hooks?

Last Updated: 23 July 2025

When it comes to understanding how users interact with your website or application, analytics tracking is key. React Hooks provides a clean and reusable way to integrate a...read more

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What are the pitfalls of using hooks, and how can you avoid them?

Last Updated: 23 July 2025

Using hooks in React comes with great benefits, but there are potential pitfalls that users need to be aware of. Common issues include stale closures and incorrect depende...read more

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Advantages and Disadvantages of using Hooks compared to Class Components.

Last Updated: 23 July 2025

Hooks are features that React provides us if we want to make functional components while creating a React web app. These features are alternatives to a few lifecycle metho...read more

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Explain the concept of "lifting up in React Hooks"

Last Updated: 23 July 2025

"Lifting State Up" is a concept in React that involves moving the state of a component higher up in the component tree. In React, the state is typically managed within ind...read more

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How to implement pagination in React using Hooks?

Last Updated: 23 July 2025

Implementing pagination in React using hooks involves managing the state of the current page and the number of items per page, as well as rendering the paginated data acco...read more

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How to handle async operations with Custom Hooks ?

Last Updated: 23 July 2025

Handling asynchronous operations with custom Hooks involves using techniques like useState, useEffect, and asynchronous functions (async/await) to manage asynchronous logi...read more

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How to handle side effects in a Custom Hook?

Last Updated: 27 July 2025

Handling side effects in a custom Hook involves managing actions or changes that occur outside of the primary function of the Hook itself. You can effectively handle side ...read more

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How to persist state with Local or Session Storage in React ?

Last Updated: 23 July 2025

Persisting state with localStorage or sessionStorage is a way to store data in the user's web browser so that it remains available even after the page is refreshed or clos...read more

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How to handle input forms with useState Hook in React ?

Last Updated: 23 July 2025

Handling input forms with useState in React involves creating state variables to store the values of input fields and updating them as the user interacts with the form. Ha...read more

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How to combine useContext with useReducer?

Last Updated: 23 July 2025

Combining useContext with useReducer in React allows you to manage a global state more effectively by providing a centralized state management solution. How to combine use...read more

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How do you use multiple useEffect in a component?

Last Updated: 23 July 2025

useEffect is a hook used to perform side effects in function components. If you need to use multiple useEffect hooks in a single component, you can simply place them one a...read more

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How to simulate componentDidMount with useEffect?

Last Updated: 27 July 2025

componentDidMount is a lifecycle method that runs after a component has been mounted or rendered to the DOM. It's often used for tasks like fetching data from an API or se...read more

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How does useReducer help manage complex state in React components?

Last Updated: 23 July 2025

useReducer is a React hook that provides an alternative approach to managing state in components compared to useState. While useState is easy and suitable for managing sim...read more

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