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Learn how to safely remove an accidentally pushed .env file in Git to protect sensitive information. This guide covers essential steps for handling security risks in version control systems.

In this article, we will discuss the essential CSS selectors that you need to know to level up your web design skills.

In React.js, the "key" prop is a special attribute used to uniquely identify and distinguish individual elements within a list of components. When rendering dynamic lists, each component should have a unique key assigned to it. This key plays a crucial role in React's virtual DOM reconciliation process, enabling the library to efficiently update and render components based on changes in the underlying data. The key property is mostly used in Reactjs to render lists efficiently.

React Dom library exposed many APIs, and createPortal is one of them. With this, you can mount a component in another part of the dom tree. It is widely used to create UIs like tooltips, modals, and popups. We will look into its benefits, drawbacks, and potential applications.

Typescript makes JavaScript dev's life more easier then ever with type safety. Today we will discuss most important and used utility types of typescript to make your DX more comfortable.

In the ever-evolving landscape of web development, React stands tall as one of the most popular JavaScript libraries for building user interfaces. Since its inception, React has gained immense popularity, thanks to its efficient state management system. A key player in this system is React Context, which simplifies the process of passing data through the component tree without the need for prop drilling. In this comprehensive guide, we will delve deep into the useContext hook, a crucial tool for working with React Context. By the end of this article, you'll have a thorough understanding of how to use useContext in React to manage state and props effectively.

Sometimes we need to merge 2 or more javascript arrays into one with unique values. Merging arrays in JavaScript using the spread operator is an easy task.