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React
Dev
2w
392
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The problem with React and MUI
- Material UI presents challenges for developers due to factors like package size, reliance on React, performance issues, disorganized theme system, and limited customization options.
- The complexity creep in modern JavaScript libraries like Material UI and React can lead to confusion among new developers entering the ecosystem.
- The abstraction in MUI and React can hinder developers' understanding of basic web development concepts such as the DOM, CSS, and JavaScript.
- A hands-on approach of building solutions from scratch can offer more flexibility and enhance developers' skills, as seen in the case of creating custom implementations.
- Simplifying theme definition and customization, destamatic-ui offers a straightforward method compared to the complexities of Material UI.
- The destam stack, including destamatic-ui, destam, and destam-dom, provides a simpler and more efficient alternative to virtual DOM-based libraries like React and MUI.
- By using destam-dom for website development, the loading speed, theme transitions, and reactivity can be significantly improved.
- Opting for simpler, more efficient tools like the destam stack can enhance the developer experience and lead to leaner, more reactive web applications.
- Embracing a back-to-basics approach with libraries like destam can contribute to a healthier ecosystem for developers, making learning and creating web applications more accessible.
- Exploring the destam stack, which includes destamatic-ui, destam-dom, and destam, can offer developers a more enjoyable and efficient web development experience.
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Cryptonews
2w
241
Markets React Positive Following China-US Envoys Meeting in London to Discuss Trade Deal
- US and Chinese officials met in London to discuss preventing an escalating trade dispute, with rare earth exports being a key issue.
- Talks centered around preventing a trade war escalated further, with accusations of Beijing stalling on agreed tariff rollbacks.
- Market reactions were positive, with the S&P 500 up by 5.52% and Bitcoin rising 3.5% to reclaim US$110k.
- Optimism around trade stability lifted global investor confidence, leading to an overall optimistic market sentiment.
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Medium
2w
224
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Getting Started with LaunchDarkly in React: A Beginner’s Guide
- Feature flags, also known as feature toggles, enable developers to control the visibility of features at runtime without redeploying code.
- LaunchDarkly is a platform that allows for feature flag implementation and management at scale, enabling safe feature releases, targeted user experiences, real-time control, and experimentation.
- To leverage feature flags in React with LaunchDarkly, the process involves creating a FeatureFlag component, setting the Client-side ID in the .env file, installing the LaunchDarkly Client SDK, and creating a Feature Flag on the LaunchDarkly Dashboard.
- Additionally, creating a FeatureFlag Hook & Wrapper Component, mapping custom attributes to Feature Flags, and utilizing feature flags within components based on user attributes are essential steps in implementing feature flags with LaunchDarkly in React.
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Logrocket
2w
237
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TanStack Form vs. React Hook Form
- TanStack Form and React Hook Form are compared in terms of developer experience, features, bundle size, popularity, and maintenance.
- TanStack Form prioritizes type safety, flexible form validation, and render speed. It supports various frameworks and is designed for large applications.
- TanStack Form uses controlled input fields for predictability and ease of testing, making it compatible with React Native.
- To use TanStack Form in a React project, install the @tanstack/react-form package and set up form fields and validation.
- Building a simple form involves defining fields, setting default values, and handling form submission using the useForm hook.
- In a complex form, TanStack Form integrates smoothly with schema validation libraries like Zod, and custom form UI components can be created.
- Reactivity in TanStack Form can be achieved through the useStore hook or the form.Subscribe component to access form states.
- In comparison to React Hook Form, TanStack Form requires more setup but aims to reduce boilerplate code in larger projects.
- In terms of popularity, React Hook Form surpasses TanStack Form currently, but both libraries are actively maintained and offer similar features.
- The decision between TanStack Form and React Hook Form depends on the project requirements, complexity, and preference for ease of use.
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Dev
2w
17
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The Growing Dominance of Next.js Over Raw React in Modern Web Development
- Next.js is gaining dominance over raw React in modern web development due to its out-of-the-box features like server-side rendering, static site generation, and API routes.
- Next.js delivers fast-loading, SEO-friendly pages without complicated configuration, offering hybrid rendering options for customized optimization.
- Next.js includes built-in routing, image optimization, and incremental static regeneration, reducing the need for additional libraries and accelerating production timelines.
- Next.js is continuously evolving with strong community support and features aligned with industry demands, making it ideal for enterprise-level projects and production-ready applications.
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Coinpedia
2w
397
Image Credit: Coinpedia
US-China Trade Talks Begin Today — Will Bitcoin and Ethereum React?
- US-China trade talks in London could heavily impact the crypto market, with potential consequences for Bitcoin and Ethereum.
- If the trade talks succeed, crypto prices may stabilize; however, failure could push investors towards Bitcoin as a safe haven asset.
- Previous trade wars have seen Bitcoin acting as a safe haven amid global financial and political uncertainty.
- Increasing interest in cryptocurrencies is observed, as reflected in growing numbers of holders for popular coins like Ethereum, Bitcoin, and Dogecoin.
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Dev
2w
0
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Building Reliable Protected Routes with React Router v7
- Protected Routes in React Router v7 are used to restrict access to private pages, similar to a bouncer at a VIP area of a nightclub.
- The AuthContext is set up using React's Context API to track user authentication status, loading state, user role, and login/logout functions.
- A PrivateRoute component acts as a 'digital bouncer' by checking authentication status, displaying a loader during verification, and rendering protected content or redirecting to /login.
- Private pages are grouped under
}>, allowing easy encapsulation and control over access. - Lazy loading is implemented to improve performance, loading private pages only when requested by users.
- For role-based access control, PrivateRoute can be extended with allowedRoles prop to restrict access based on user roles.
- The approach centralizes authentication logic, provides clear analogies for understanding, improves performance with lazy loading, and offers flexibility for customizations.
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Medium
2w
108
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Build your own agent — ReAct agent
- ReAct agents combine reasoning and action in an iterative loop, adjusting their thinking based on action outcomes.
- Traditional AI systems often separate planning and execution, but ReAct agents interleave these processes for flexibility and adaptability.
- ReAct agents in LlamaIndex utilize powerful document retrieval capabilities along with advanced reasoning layers for complex queries.
- These agents represent a significant advancement in AI implementation, providing a blend of retrieval capabilities and analytical reasoning.
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Dev
2w
156
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Use Foresight.js with React.js for Smarter Optimization
- Foresight.js is a JavaScript library that predicts user intent by analyzing subtle cues like mouse movements and keyboard navigation to proactively preload resources, improving perceived performance and reducing load times.
- It complements React.js performance optimization techniques by focusing on proactive resource availability, ensuring content is preloaded before user interaction.
- Foresight.js benefits include improved perceived performance, reduced actual load times, enhanced user experience, and optimized resource utilization.
- Integrating Foresight.js with React.js involves installing it, initializing it in the application, and using preload functions in React components to suggest resource preloading based on user interactions.
- Examples demonstrate preloading a link target on hover, preloading data for a modal, and preloading components with React.lazy for faster transitions.
- Advanced considerations include strategic preloading, fine-tuning the probability threshold, monitoring performance metrics, integrating with analytics tools, ensuring accessibility, and managing preloaded resources efficiently.
- Real-world use cases of Foresight.js in React applications include e-commerce websites, content platforms, dashboards, analytics tools, and interactive applications to enhance user experience and performance.
- Foresight.js, when combined with React.js and other optimization techniques, offers a seamless and fast user experience, transforming reactive waiting into proactive interaction for superior web performance.
- Integrating foresight in React.js empowers developers to create applications that are not only functional but also incredibly fast, responsive, and user-friendly in the competitive digital landscape.
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Dev
2w
126
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Why setState is delayed in React JS
- React uses a queue system to handle state updates, batching them together for a single re-render to optimize performance.
- To get the updated value immediately after setState, you can manually calculate it and use it where needed.
- State doesn’t update immediately after setState but on the next render to minimize unnecessary renders.
- Understanding why setState in React may feel delayed can help in writing more efficient and predictable code.
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Dev
2w
386
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Building a Custom Cryptocurrency Candlestick Chart from Scratch with React
- In this tutorial, a custom real-time candlestick chart for tracking cryptocurrency prices is built from scratch using React.
- A CandlestickDemo component is created to fetch the last 24 weeks of BTC price data and render it as a candlestick chart.
- The useAssetPriceCandlesQuery hook serves as a React Query wrapper for fetching price data, handling caching, loading states, and errors.
- A data structure for price candles is defined, allowing efficient iteration over price fields for rendering chart elements.
- Functionality for fetching cryptocurrency price data from the Binance API is implemented, handling request management and data transformation.
- Chart components are created, including X and Y axes, candlestick representations of price movements, and an interactive hover tracker for detailed information.
- A system for generating Y-axis labels is developed, intelligently determining label spacing based on data range and familiar increments.
- Data normalization functions are introduced to render chart components at a consistent scale, facilitating responsive rendering.
- A centralized chart configuration object is defined to maintain consistent sizing and spacing throughout the chart.
- Various utilities and components like ChartSlice, ChartYAxis, HoverTracker, Candlestick, CandlestickInfo, and ChartXAxis are implemented to complete the interactive chart.
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Dev
2w
247
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⚛️ When React Context API Turns Against You: A Late-Night Debugging Story
- Procrastination led to a late-night refactor session, aiming to build a 'Generic Framework' for quicker tool integration.
- The refactor involved handling messy techniques, technical debt, and tackling global state issues with React's Context API.
- Despite initial clean appearance, overusing context resulted in unnecessary re-renders due to changes in global state.
- The decision to store form state in the same context as list items led to performance issues triggering unwarranted component updates.
- Challenges in avoiding unnecessary re-renders in React were faced, leading to considerations of restructuring and using external libraries like Zustand for better state management.
- Lessons learned included the importance of properly structuring contexts and considering lightweight global state management solutions for improved performance.
- Exploration of state libraries like Zustand and alternative design patterns like Observer was planned for future projects to enhance efficiency.
- Acknowledgment of the need for occasional adjustments in development approaches to maintain code cleanliness and prevent potential performance issues.
- Reflecting on the experience, the author contemplates on continuing to use React's Context API or venturing into different technologies for potential solutions.
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Newsbtc
2w
82
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Bitcoin Sees Largest Net Taker Volume Drop Of 2025 – Traders React To Trump-Elon Clash
- Bitcoin experienced a 5% pullback following a clash between Elon Musk and US President Donald Trump, leading to the largest net taker volume decline of the year on Binance.
- Market participants are closely monitoring Bitcoin's movement after rebounding from the $100,000 support level, showing resilience amidst recent volatility.
- The political drama and macroeconomic uncertainties have injected new volatility into the crypto space, with rising US bond yields and global tensions impacting market sentiment.
- Bitcoin's price action is currently testing key levels, with resistance between $104,600 and $107,000, and traders awaiting a potential breakout or correction.
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Dev
2w
378
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Avoid These 3 Common Form Traps in React
- Forms are crucial in frontend apps, and React can make managing them easy or challenging.
- Common traps include excessive useState causing unnecessary re-renders; using useRef can be a better approach.
- Not validating data before submission can lead to failed requests and user frustration.
- Building complex forms can be simplified by using libraries like React Hook Form or Formik.
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Dev
2w
130
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React Server Components: The Future of Full Stack React
- React Server Components (RSCs) are revolutionizing the way we build React applications by enabling components to run on the server and fetch data directly from databases.
- RSCs work alongside client components, offering a hybrid approach for interactive and server-side rendering.
- The shift to RSCs eliminates the need for separate API endpoints, simplifies data fetching, and enhances performance.
- RSCs and client components serve distinct purposes, with RSCs focusing on data fetching and initial rendering while client components handle interactivity.
- Performance improvements with RSCs include faster loading times and reduced bundle sizes, making applications more efficient.
- Considerations like 'use client' boundaries, serializable props, and environment variables need attention when working with RSCs.
- Despite the learning curve, the simplified state management and automatic code splitting offered by RSCs enhance the developer experience.
- RSCs are recommended for content-heavy apps, dashboards, e-commerce pages, and performance-sensitive cases, while they may not be ideal for highly interactive applications.
- Starting with Next.js, experimenting with data fetching, and favoring a 'server-first' approach are suggested paths for utilizing RSCs effectively.
- The future of React embraces both server and client components, signaling a shift towards a more balanced and optimized full-stack framework.
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