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React
Cryptopotato
3w
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Important Shiba Inu Indicator Drops to a 3-Month Low: How Will SHIB’s Price React?
- Shibarium’s recent slowdown has raised concerns about Shiba Inu’s network activity and price future.
- Low daily transactions on Shibarium and declining user engagement could impact SHIB’s price negatively.
- Negative exchange netflow and a decreasing burning rate are bearish signs for SHIB’s valuation.
- However, a decline in exchange netflow and a slightly bullish Relative Strength Index (RSI) indicate potential recovery for SHIB’s price.
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Dev
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114
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🔥 I Tried React 19 So You Don’t Have To — But You’ll Definitely Want To After This!
- React 19 introduces game-changing features like Actions API, useOptimistic Hook, Metadata API, and
- Actions API simplifies defining server actions and enhances code separation with built-in form support.
- useOptimistic Hook allows updating the UI pre-server response, providing real-time user experience.
- Metadata API brings native SEO support, eliminating the need for react-helmet and ensuring SEO is integrated.
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Dev
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153
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🚀 React 19: A Cleaner, Smarter Developer Experience — Here’s What I Found
- React 19 is geared towards enhancing the developer experience by simplifying frontend development tasks.
- Key improvements include stable Server Components for server-side logic, a new use() hook for asynchronous operations, and Server Actions for simplifying form handling.
- The React Compiler in version 19 automates optimization tasks, resulting in cleaner code and reduced manual optimizations.
- The update also focuses on enhancing UI experiences with smoother transitions and better Suspense functionality, ultimately streamlining the development process.
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Dev
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325
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Simplify Your API Calls in React with em-use-controller
- em-use-controller is a utility for React and other SPAs that simplifies API calls by turning REST API routes into declarative, type-safe controller functions.
- With em-use-controller, developers can define routes once in a config file, set global defaults for headers, baseURL, and error handling, and call any endpoint with one-liners using useController.
- Features include working with all HTTP methods, handling path and query parameters, supporting Bearer and custom auth, built-in global error handling, swappable axios instance, and uploading files with FormData.
- Ideal for frontend developers using RESTful APIs, especially in .NET, Java, Spring, or Node environments, those who dislike boilerplate code, and teams striving for cleaner and safer API usage.
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Dev
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61
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🚨 Mastering React Native Performance: Practical Insights for Mobile Engineers 🚀
- Understanding React Native's internal workings and optimizing code is crucial for building high-performing mobile apps.
- Key strategies include keeping lists lean by using FlatList or SectionList, avoiding unnecessary renders with React.memo and useCallback, optimizing asset usage for better performance, reducing JS bundle load by auditing imports, and keeping the UI thread free.
- Regularly applying techniques like compressing images, lazy loading, and reducing bundle size can help maintain smooth and efficient apps.
- Remember, performance optimization is an ongoing process that requires monitoring, tweaking, and iterating to ensure the best user experience.
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Dev
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97
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# End-To-End Full-stack Event Management application (using ASP.NET, React, Node.js, and Spring Boot with SQLite Backend)
- This article presents a full-stack Event Management application using ASP.NET, React, Node.js, and Spring Boot, coded in C#, JavaScript, and Java.
- Key features include streamlined event scheduling, optimized attendee management, advanced budget tracking, and enhanced customer engagement.
- The application consists of modules for user login/signup, user features, and admin features with respective functionalities.
- Tech stack includes React, ASP.NET, Node.js, Spring Boot, and SQLite for database, implementing JWT with BCrypt hashing for authentication.
- Technical highlights cover security implementation, database interaction efficiency, role-based access with JWT, and seamless frontend integration.
- The application supports login/signup, event browsing/viewing/booking, user profile management, admin event/venue creation, and revenue tracking.
- SQLite is integrated with Spring Boot using custom dialects and service layers to handle communication limitations and entity mappings.
- An ER Diagram and Database Schema depict data structure and relationships between admin, users, events, bookings, venues, and more.
- Flow documentation outlines user and admin interaction steps for signup/login, event browsing/booking, venue management, and attendee tracking.
- Dockerization is utilized for ASP.NET, React, and Spring Boot deployments, along with detailed setup and usage guides for manual and hybrid deployments.
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Dev
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105
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Understanding React's Declarative UI Through a Copy Button Example
- Building a simple Copy button to copy text to the clipboard and display a 'Copied!' message briefly before reverting.
- Tried implementing the copy button using vanilla JavaScript DOM manipulation instead of React state management.
- Realized that directly manipulating the DOM in React is problematic due to React's declarative rendering nature.
- Adopted a better approach using useState to manage button text, ensuring proper synchronization between UI and component state in React.
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Dev
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70
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Unit Testing React Hooks with NextJS Back-End: Challenges and Solutions
- Unit testing React hooks that interact with a NextJS back-end server presents challenges for developers, especially with no support from Copilot as of Spring 2025.
- Developers need to rely on their own expertise and insights to streamline the testing process and avoid excessive resource searching.
- To set up a testing environment, developers must customize the server.ts file to handle back-end logic and global data structures for Next.js server pages and route handlers.
- During unit testing, a separate server instance is launched before testing the React hook and then shut down upon completion of the test.
- Functions like startServer() and stopServer() are used to manage the server instance as a child process for testing purposes.
- A test environment is prepared by making health check requests to ensure the server is ready before conducting the unit test for a specific React hook.
- Simulated DOM initialization is essential for testing and is achieved by passing the '--import' switch to the tsx utility in the testing command.
- By following these steps, developers can effectively test React hooks that interact with a NextJS back-end server while maintaining a controlled and reliable testing environment.
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Dev
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216
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💼 How to Get Hired as a Front-End Developer (Beginner’s Guide with React & Next.js)
- Breaking into front-end development is easier than ever, especially with the demand for skilled React and Next.js developers.
- Key areas to focus on for beginners include core skills like HTML, CSS, JavaScript, React.js, Next.js, and understanding UI/UX principles.
- Additionally, exploring tools like Tailwind CSS, React Router, state management options, and deployment platforms like Vercel and Netlify is crucial.
- Building a strong portfolio with projects like a blog with Next.js, a to-do app using React Hooks, and a portfolio site deployed on Vercel is essential for landing remote roles.
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Cryptopotato
3w
181
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20,000 BTC Purchased in Just 2 Days by Whales: How Will Bitcoin’s Price React?
- BTC whales have returned, accumulating over $2 billion worth of the cryptocurrency in a short timeframe.
- Large investors bought more than 20,000 BTC in the past two days, with collective holdings over 4.7 million assets, representing around 23.7% of the circulating supply.
- Whale accumulation is seen as a bullish signal for a potential price rally, potentially inspiring smaller players to follow suit.
- Other bullish indicators include diminishing BTC supply on exchanges, positive exchange netflows on only seven of the last 30 days, and Bitcoin's Relative Strength Index (RSI) nearing oversold levels.
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HinduBusinessLine
3w
406
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Sensex, Nifty 50 trade lower, metal, auto & IT stocks drag, Suzlon, Bajaj Auto, Lumax Auto, Ola, ICRA, Landmark Cars, SJVN react to Q4 numbers
- Sensex traded 255.89 pts lower and Nifty 50 down 79.85 pts, with India VIX declining 1.73 per cent.
- Majority of sectoral indices traded in negative territory, except PSU bank. Metal, auto, and IT stocks fell, while defence, healthcare, and banking stocks showed resilience.
- Gainers of Nifty 50 components included Eternal/Zomato, Apollo Hospitals, Larsen & Turbo, Cipla, and Bajaj Finserv. Bajaj Auto, Hindalco, Shriram Finance, NTPC, and Tata Motors declined.
- In the midcap and smallcap segment, Suzlon, BSE, Muthoot Finance, Cummins India, and BDL saw positive moves, while Ola Electric, Mazagon Dock, SJVN tumbled post Q4 results. ICRA, Lumax Auto, and Suzlon reacted positively to Q4 numbers.
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Medium
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340
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Making a utility function to convert text to bold and italic in React
- Creating a utility function in React to convert text to bold and italic without using a package like React Markdown.
- The function checks for special characters like *, **, _ in the text string and converts the related parts to bold, italic, or both.
- It splits the text string using Regex to identify the parts that need formatting and applies appropriate CSS class names.
- A React component is used to wrap the formatted parts of text in elements with class names for styling.
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Medium
3w
53
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Handling Dynamic Font Scaling in React Native Without Breaking Your UI
- Dynamic font scaling in React Native is crucial to prevent UI issues when users adjust their device's font size settings.
- Around 15% of smartphone users change their font size settings, which can impact how your app's layout is displayed.
- Failure to account for dynamic font scaling can lead to negative user experiences, bad reviews, and app deletions.
- One developer shared their experience of encountering UI problems due to font scaling after launching an e-commerce app, emphasizing the importance of addressing this issue proactively.
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Dev
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407
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Optimizing React Performance: Memoization, Lazy Loading, and Bundle Analysis
- In web development, performance is essential for user satisfaction. React offers tools to optimize applications as they grow in complexity.
- Memoization in React, using techniques like React.memo, useMemo, and useCallback, can prevent unnecessary re-renders and computations.
- React.memo skips re-rendering if props haven't changed. useMemo memoizes expensive function calls, while useCallback memoizes callback functions.
- Strategic use of memoization is recommended for pure components, frequent renders with the same props, and expensive calculations.
- Lazy loading with React.lazy and Suspense helps reduce initial load times by splitting code into smaller, on-demand chunks.
- Analyzing and optimizing bundle size using tools like webpack-bundle-analyzer is crucial for efficient performance.
- Dependency optimization, tree shaking, targeted imports, and using smaller alternatives can help reduce bundle size.
- Always deploy the production build to benefit from bundler optimizations like minification and dead code elimination.
- Optimizing React performance is an ongoing process that involves memoization, lazy loading, bundle analysis, and deployment of production builds.
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Dev
3w
121
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Mastering React Hooks: A Deep Dive into useState and useEffect
- React Hooks like useState and useEffect have transformed how developers handle state and side effects in functional components.
- This deep dive into useState and useEffect provides insights for beginners and intermediate developers on best practices and common pitfalls.
- useState empowers functional components to manage local state, but proper initialization is crucial to avoid errors.
- Directly mutating state variables is a mistake; always use the setter function provided by useState for updates.
- Utilize the functional update form to handle state updates that depend on the previous state value correctly.
- Remember that state updates are asynchronous, so accessing the state immediately after setting it may not reflect the updated value.
- Group related state into objects when state logic involves multiple fields, and consider useReducer for complex state transitions.
- useEffect manages side effects in React components, with the dependency array controlling when the effect runs.
- Ensure cleanup for side effects to avoid memory leaks, and include all reactive values in the useEffect dependency array to prevent stale data issues.
- Mastering useState and useEffect involves understanding immutability, dependency management, and cleanup for predictable and efficient React applications.
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