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This article explains how React's useMemo hook caches expensive calculations, covers its default shallow reference comparison, and shows techniques such as JSON.stringify and lodash.isEqual for deep comparison to prevent unnecessary re‑renders.
This article explores the evolution of React’s APIs—from early mixins to higher‑order components, render props, and Hooks—examining the mental models, trade‑offs, and best practices that guide developers in building maintainable, performant front‑end applications.
This article explains what embeddings are, how they capture semantic similarity, and how to use OpenAI's embedding API to transform a custom knowledge base into vector representations for efficient search, retrieval, and question‑answering.
This guide shows front‑end developers how to generate realistic mock data with ChatGPT, export it as JSON, and instantly serve a full RESTful mock API using json‑server, covering schema design, routing, filtering, pagination, sorting, and query operators.
This article walks through creating a GitLab code‑review bot that leverages the ChatGPT API, detailing request handling with Axios, constructing prompts, interacting with both ChatGPT and GitLab APIs, and posting automated review comments back to merge requests.
Learn how to use React refs—including useRef, forwardRef, and useImperativeHandle—to access DOM elements, create custom imperative APIs, and build interactive forms with focus and shake effects, while understanding best practices for when to employ refs versus state or props.
This article explains the purpose, benefits, and implementation of React 18’s useSyncExternalStore hook, covering its role in synchronizing external state such as browser APIs, preventing UI tearing during concurrent rendering, and providing SSR support with practical code examples like useMediaQuery and useWindowSize.
This article explains how to avoid prop drilling in React by refactoring components to use composition and children props, providing a clear example with a navigation sidebar and discussing alternatives like Context and Redux.
This guide explains why error handling is crucial in React, compares try/catch and Error Boundary approaches, highlights their limitations, and presents Dan Abramov's clever technique for catching asynchronous errors, providing practical code examples and best‑practice recommendations.
This tutorial explains how React compound components work, showing how to share implicit state across parent and child components using Context and Hooks, with practical code examples like a Toggle component and a Reach UI Menu, to create more intuitive and elegant APIs.
