Testing Custom Hooks in React: Jest Techniques You Didn’t Know About

Testing custom React hooks: Use renderHook, mock dependencies, control time with Jest timers, simulate context, handle Redux, and test complex scenarios. Ensure reliability through comprehensive testing.

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What Makes Local Storage the Secret Weapon of Smart Web Developers?

Stash Your Web Snacks: A Deep Dive into Local Storage's Magic

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Curious About JavaScript Bundlers? Here's Why Rollup.js Might Be Your Next Favorite Tool!

Mastering Modern JavaScript Applications with Rollup.js

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How to Build a Robust CI/CD Pipeline for Node.js with Jenkins and GitHub Actions

CI/CD for Node.js using Jenkins and GitHub Actions automates building, testing, and deploying. Integrate tools, use environment variables, fail fast, cache dependencies, monitor, and consider Docker for consistent builds.

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Mastering Jest with CI/CD Pipelines: Automated Testing on Steroids

Jest with CI/CD pipelines automates testing, enhances code quality, and accelerates development. It catches bugs early, ensures consistency, and boosts confidence in shipping code faster and more reliably.

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Node.js Performance Tuning: Optimizing Memory, CPU, and I/O for Speed

Node.js optimization: Memory management, CPU efficiency, I/O operations, error handling, logging, database queries, dependency management, and caching. Key focus on async operations, worker threads, and avoiding event loop blocking for better performance.

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How Can Mastering the DOM Transform Your Web Pages?

Unlocking the Creative and Interactive Potential of DOM Manipulation

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Jest and GraphQL: Testing Complex Queries and Mutations

GraphQL and Jest combine for robust API testing. Jest's simple syntax enables easy query and mutation checks. Mock resolvers, snapshot testing, and error handling ensure comprehensive coverage. Client-side testing with Apollo enhances full-stack confidence.

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Unleash React's Power: Build Lightning-Fast PWAs That Work Offline and Send Notifications

React PWAs combine web and native app features. They load fast, work offline, and can be installed. Service workers enable caching and push notifications. Manifest files define app behavior. Code splitting improves performance.

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React's New Superpowers: Concurrent Rendering and Suspense Unleashed for Lightning-Fast Apps

React's concurrent rendering and Suspense optimize performance. Prioritize updates, manage loading states, and leverage code splitting. Avoid unnecessary re-renders, manage side effects, and use memoization. Focus on user experience and perceived performance.

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How Can Helmet Give Your Express App Superpowers Against Hackers?

Armoring Your Express Apps: Top-Notch Security with Helmet and Beyond

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Mastering Node.js: Build Efficient File Upload and Streaming Servers

Node.js excels in file uploads and streaming. It uses Multer for efficient handling of multipart/form-data, supports large file uploads with streams, and enables video streaming with range requests.

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How Can Middleware Supercharge Your API Analytics in Express.js?

Unleash the Power of Middleware to Supercharge Your Express.js API Analytics