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React
Dev
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React JS Tutorial for Beginners – Learn by Building Projects
- ReactJS is a popular JavaScript library used by companies like Facebook, Instagram, and Netflix for front-end development.
- Understanding React is crucial for beginners entering front-end development due to its efficiency in creating user interfaces.
- Learning ReactJS through project-based learning is recommended to gain practical experience and build a strong foundation.
- Starting with small projects like a to-do list app or a weather app can help beginners grasp core concepts of React and build a portfolio.
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NullTX
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230
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AI Tokens Soar as Markets React to U.S.-China Tariff Deal: BTC Hits $104K, DeFi Innovation Accelerates
- An explosive rally in the crypto market occurred, driven by a geopolitical surprise and a surge in AI-related blockchain initiatives.
- The U.S.-China announcement of a 90-day tariff reduction boosted investor sentiment, leading to a rally across traditional and digital asset markets.
- AI tokens saw a significant increase in both price and innovation, with a market cap increase of nearly $10 billion and a 30% surge during the week.
- Bitcoin broke past $104,000, while altcoins gained momentum, reflecting a bullish sentiment in the crypto sector.
- The integration of artificial intelligence into the Web3 ecosystem was highlighted through AI token growth and product launches.
- Newton, an autonomous DeFi agent developed by Magic Labs, was launched, utilizing cutting-edge technology for private, secure, and automated financial operations.
- Infrastructure and product development, along with innovative launches like AID Alpha and Pixel AI, drove growth in the AI crypto sector.
- Aethir introduced a decentralized GPU cloud, aligning high-performance computing with decentralized networks for scalable GPU resource availability.
- The positive outlook for AI and crypto sectors is fueled by macroeconomic developments, product launches, and increased infrastructure engagement.
- The convergence of artificial intelligence and blockchain technology signals a possible shift towards algorithmic and AI-driven advancement in the crypto industry.
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Medium
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356
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From JSX to Browser: What Actually Happens in a React App?
- JSX code needs to be transformed into real JavaScript before the browser can run it.
- Babel helps in transforming modern JavaScript (ES6+) and JSX into browser-compatible code.
- The transformed code is bundled into a single .js bundle that is ready for the browser.
- React initializes a Virtual DOM, minimizes real DOM operations, and uses JIT compilers to optimize code for improved performance.
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Dev
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144
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Understanding the "Object Literal May Only Specify Known Properties" Error in React + TypeScript
- The error 'Object Literal May Only Specify Known Properties' in React + TypeScript occurs when useState is not properly typed for a state with objects.
- To resolve this error, define a type or interface for the state object to provide type safety and enable autocomplete functionality.
- By defining a type or interface, such as User with uid and name fields, you ensure better type safety, autocompletion, and improved debugging in React components.
- Best practices for using useState with objects include always typing your state, using 'null' for optional states, preferring interfaces for clarity, and validating before rendering for cleaner and more robust components.
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Discover more
Dev
1M
365
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The “Pizza Shop Principle” for React Developers 🍕
- React developers can benefit from the 'Pizza Shop Principle' where every React project is likened to a pizza shop with different components representing various elements of a restaurant.
- The focus is on delivering value to users rather than perfecting technical aspects like the 'dough' or 'oven.'
- Validation of product ideas, building a minimum viable product (MVP) quickly, pricing software based on value, and targeting local businesses are key strategies suggested.
- Using React's component model to iterate quickly, deploy efficiently, and charge appropriately for the value provided is emphasized.
- The article encourages React developers to think like a 'digital chef' or a 'product creator' and offers practical steps to improve product development and pricing strategies.
- Key takeaways include validating early, building fast, shipping quickly, pricing according to value, and embracing iteration.
- By following the 'Pizza Shop Rules for Devs,' developers are advised to focus on serving customers, delivering on time, and seeking feedback rather than striving for perfection.
- The article concludes by urging React developers to view their work as a culinary endeavor, aiming to satisfy the digital hunger of users and generate revenue from their creations.
- Ultimately, the analogy of a pizza shop serves as a reminder to prioritize user satisfaction and business value in React development projects.
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Droid-Life
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Readers React to Galaxy S25 Edge: Who Asked for This?
- Samsung introduced the Galaxy S25 Edge, receiving mixed reactions with many questioning the need for a device with higher price but fewer features compared to its counterparts.
- Despite respectable specs like Snapdragon 8 Elite chipset, 6.7″ QHD+ Dynamic AMOLED display, and 200-megapixel main camera, criticisms focus on the smaller 3900mAh battery, higher price tag of $1,099, and lack of significant improvements over existing models.
- Feedback from potential buyers indicates skepticism towards the S25 Edge, with comments questioning the purpose of its slim design and expressing disappointment in the lack of innovative features to justify the price.
- While Samsung may aim to compete with Apple's slim smartphones, Android users, especially Samsung fans, prefer devices with more features, like S Pens and larger batteries, highlighting the potential mismatch in consumer preferences.
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7 Likes
Dev
1M
365
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How to Implement Shadow DOM in React to Avoid CSS Conflicts?
- Implementing Shadow DOM in React can help avoid CSS conflicts, especially in projects using Module Federation.
- Shadow DOM encapsulates DOM and CSS within web components, preventing external styles from interfering.
- To implement Shadow DOM in React, create components with shadow roots using useRef and useEffect hooks.
- Steps include creating a component with shadow DOM, rendering it in the main application, and troubleshooting possible issues like rendering conflicts or incorrect attachments.
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22 Likes
Dev
1M
140
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Building a Searchable Product List with React Server Components
- React Server Components (RSC) enable building dynamic, full-stack applications with high performance and reduced client-side code.
- The tutorial guides through setting up a project with Express, creating a searchable product list, implementing server-side search filtering, and handling search requests on the server.
- By leveraging RSC for server-side rendering, the tutorial showcases improved performance, simplified data fetching, and a seamless user experience in e-commerce applications.
- Pros include faster load times, minimal client-side processing, and simplified data fetching, while cons involve increased complexity in managing server-side routes and setup.
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5 Likes
Dev
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397
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Behind the Build: Engineering an AI-Powered Digital Banking SuperApp Using React Micro-Apps
- PrimeSoft developed a modular Digital Banking SuperApp that combines payments, lending, investments, and everyday banking in a unified experience using ReactJS, React Native, and AI-driven personalization.
- Key features of the platform include hyper-personalization, instant service deployments, enterprise-grade security, smarter engagement, seamless integration, and AI-powered chatbots.
- The platform's Micro-App architecture enables code reusability, faster release cycles, independent builds, high security, and AI-driven engagement with smart prompts.
- PrimeSoft is focused on refining real-time features, offline-first capabilities, and enhancing AI workflows. They are open to discussing micro-frontend architectures, code reuse challenges, and potential collaborations in the comments or through direct messages.
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23 Likes
TheCryptoBasic
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US Inflation Comes in Lower Than Expected: Here’s How Bitcoin Could React
- The latest U.S. CPI report shows inflation lower than expected, with April's annual rate at 2.3%.
- Despite recent tariff uncertainties, inflation remains tame with only select price increases.
- Equities had mixed responses to the CPI data, while Bitcoin briefly dipped but then remained resilient.
- Lower-than-expected inflation could lead to a dovish Fed pivot, benefiting risk-on assets like Bitcoin.
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8 Likes
Medium
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82
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How To Rewrite Class Components to Functional Components in React
- In class components, state is declared and updated using this.state and this.setState. In functional components, state can be managed using the useState hook.
- Class components use lifecycle methods like componentDidMount and componentWillUnmount for side effects. The equivalent in functional components is useEffect hook.
- In class components, methods are often bound to 'this' or class fields, whereas in functional components, functions are defined within the component scope, eliminating the need for binding.
- Functional components receive props as function arguments, while class components access props through this.props.
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Coindoo
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194
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Crypto Markets React After U.S. Inflation Slows to 2.3% in April
- U.S. consumer inflation slowed more than expected in April 2025, with the Consumer Price Index (CPI) rising 0.2%, below the 0.3% forecast.
- On an annual basis, inflation came in at 2.3%, slightly lower than expected and the previous month’s reading.
- Core CPI, which excludes food and energy prices, also increased by 0.2% month-over-month, missing the 0.3% forecast, while core inflation remained unchanged at 2.8% year-on-year.
- The slow inflation rate could influence the Federal Reserve's future rate decisions, leading to a modest uptick in the crypto market as investors viewed stable inflation as a positive sign.
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11 Likes
Cryptonews
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Crypto, Gold React Negatively to China-US Tariff Slashing
- Bitcoin initially surged to over US$105K after the US-China tariff truce but dropped to US$102K following the announcement.
- Crypto markets declined with total market cap falling 3% to US$3.4T as the dollar strengthened and stocks rallied.
- Gold also dropped 3.4% as traders shifted into equities, reducing demand for defensive assets.
- The market reaction to the US-China tariff truce left many surprised as Bitcoin and gold prices fell despite a positive interpretation of the agreement.
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Logrocket
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276
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React WebSocket tutorial: Real-time messaging with WebSockets and Socket.IO
- The WebSocket protocol offers full-duplex communication between client and server over a single TCP socket connection, enabling real-time apps like chat and games.
- WebSocket overcomes limitations of HTTP with simplex communication, offering bidirectional communication without polling.
- Methods like HTTP polling, HTTP streaming, and SSE were used before WebSocket for real-time data but had drawbacks in terms of efficiency.
- WebSocket connections can be established using native WebSocket API in browsers or third-party libraries like react-use-websocket in React applications.
- Implementing WebSockets involves creating a handshake between server and client and enabling real-time message transmission.
- WebSockets are recommended for real-time applications due to their reliability and efficiency over traditional methods like HTTP polling.
- Using WebSockets in Node.js involves libraries like 'ws' for WebSocket servers, allowing bidirectional communication between clients.
- WebSocket Secure (WSS) protocol integrates SSL/TLS for encrypted connection, enhancing security compared to plain-text WS connections.
- Popular WebSocket libraries like socket.io-client, React useWebSocket, etc., offer different features for WebSocket implementation in React applications.
- Socket.IO is recommended for React apps needing features like easy event handling and automatic reconnection, whereas native WebSocket offers more control.
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16 Likes
Coinpedia
1M
371
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How Will Bitcoin Price React to CPI News? Key Details for Crypto Investors
- Bitcoin's price surged above $105K, reaching a critical point with the upcoming CPI data set to determine its next move.
- If the CPI shows cooling inflation, Bitcoin may rally towards new all-time highs; higher CPI could lead to consolidation.
- With a bullish MACD cross suggesting potential upside, Bitcoin's fate hinges on the Tuesday CPI report and broader economic factors.
- Bitcoin's price reaction to the CPI data release could either lead to a surge towards new highs, consolidation, or a short-term dip depending on the actual CPI figures.
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