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Dev
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Exploring Firebase Storage with React
- Handling files in web apps can be challenging, but Firebase Storage offers a reliable solution for storing various file types.
- Firebase Storage integration with React is seamless and provides benefits like easy setup and user-friendly upload progress tracking.
- To get started, create a Firebase project, enable Storage in the Firebase Console, and install Firebase via npm.
- For single file uploads, a React component can be created to handle file selection, upload progress tracking, and file deletion.
- In cases where multiple files need to be uploaded simultaneously, a separate component can manage the upload process for each file.
- Combining these components into the main App allows for a cohesive file upload experience in React.
- Setting up secure Firebase Rules is crucial to restrict access to uploaded files and ensure privacy.
- Custom file validation, integration with Firebase Authentication, thumbnail generation, and drag-and-drop functionality are further enhancements that can be implemented.
- Overall, Firebase Storage with React provides a robust solution for handling file uploads and storage in web applications.
- By following best practices and exploring additional features, developers can optimize their frontend development and software engineering projects.
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Dev
4w
254
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React 19 is Here: What’s New & Must-Have Packages
- React 19 brings a revolutionary update with auto-optimized performance and built-in hooks for faster, cleaner, and more powerful development.
- Key Features of React 19 include a new React Compiler removing the need for manual memoization, Actions API for simpler data handling with built-in loading states, and Built-in Asset Loading.
- Top 5 Packages for React 19 include Vite for blazing-fast builds, TanStack Query v5 for smarter data fetching, Zod for type-safe forms, Framer Motion for buttery animations, and Next.js 15 with full React 19 support.
- Watch out for breaking changes like updated forwardRef behavior and the removal of the Legacy Context API, and consider upgrading if you are starting a new project or using Next.js/Vite for free performance gains.
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HinduBusinessLine
4w
17
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Sensex tumbles 987 pts, Tata Steel, IndusInd, BEL, Jio shares trade with marginal gains, IndiGo, NTPC Green, Colgate, Va Tech shares react to Q4 numbers
- Sensex tumbled 987.38 points, while Nifty 50 slumped 299.20 points, driven by concerns over debt and deficit levels in the US.
- All sectoral indices except media traded in the negative territory, with FMCG, IT, auto, and pharma sectors experiencing significant declines of 1-2 percent.
- HDFC AMC, HDFC Life, and BEL shares hit 52-week highs, while several stocks hit 52-week lows. GRSE, Aster DM, ITI, and HSCL shares traded 2-6 percent higher among smallcaps.
- On the flip side, TTML, Prince Pipa, Va Tech, Fortis, and SCI shares rallied 7-13 percent, while Aditya Birla Fashion, GMM Pfaudler, HGI Infra, and Colgate tumbled 5-7 percent.
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Dev
4w
430
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10 cool habits that helps frontend developer to code faster (React + TS Edition)
- Setting up proper snippet shortcuts in VSCode can save hours every week.
- Using a component library like shadcn/ui can help speed up development and ensure consistency.
- Automating imports with @ paths and aliases can make the code cleaner and faster to navigate.
- Having a 'starter repo' template ready can save time in setting up new projects with essential configurations.
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Coindoo
4w
31
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Bitcoin Hits $110K: David Sacks, Peter Brandt React to Historic High
- Bitcoin hits a new all-time high of $110,000, coinciding with progress in stablecoin legislation passing the Senate.
- David Sacks emphasizes the significance of regulatory progress in relation to market momentum.
- Peter Brandt notes that new ATHs are crucial for confirming the health of a bull market.
- Brandt suggests Bitcoin may reach $125,000 to $150,000 by August based on technical chart analysis.
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Dev
4w
40
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Why is my React component flickering?
- React component re-renders can happen even if no visible change occurs.
- React.memo can be used to prevent unnecessary re-renders in components that do not change.
- Using useMemo with Context can ensure the value remains the same if the data hasn't changed.
- Context re-renders children if the value changes, even if the value appears the same.
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Dev
4w
313
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Mastery: Fixing "Objects are not valid as a React child" Error
- The error 'Objects are not valid as a React child' commonly occurs in React development when attempting to render a plain object directly within JSX.
- To fix this error, you should use JSON.stringify() to serialize the object before rendering it inside JSX.
- Using JSON.stringify() ensures that the object is converted into a displayable string format that can be rendered in React components.
- By mastering the basics of state handling and JSX rendering, developers can avoid common errors like rendering raw objects in React applications.
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Dev
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156
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Mastering `useReducer` in React: A Step-by-Step Guide for Real-World State Management
- Managing state predictably in modern React development is crucial for maintainable, scalable applications.
- useReducer in React is ideal for complex state logic, dependencies on previous state, and centralized state transitions.
- Reducers are pure functions that return a new state based on the current state and an action, ensuring immutability.
- Combining useReducer with useContext, using useCallback, and structuring actions clearly are recommended for mastering state management in React.
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Dev
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402
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🚀 React 19 Made Me Rethink Everything I Knew About Frontend Development
- React 19 introduces Server Actions, a new Compiler, and progressive form enhancements.
- With React 19, the code became cleaner, faster, and more enjoyable to work with.
- Key changes in React 19 include Server Actions for API calls without boilerplate, a React Compiler for automatic memoization, and enhanced form handling.
- React 19 optimizes app performance, simplifies code structure, and enhances developer experience in frontend development.
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Dev
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203
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Jest - Testing with React and React Testing Library: Useful APIs
- React Testing Library provides useful APIs for testing React components.
- Functions like fireEvent, waitFor, and screen are helpful for simulating user actions and checking the rendered output.
- render function is used to render a component into a container appended to document.body.
- Queries like querySelector() method, screen.getByRole(), and screen.getByText() help in selecting and verifying elements in the rendered output.
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Dev
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35
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Creating an AI-Powered Login Form in a React Native App (2025 Edition
- In 2025, login forms are expected to be smarter and more personalized, incorporating AI features.
- The article discusses adding smart email suggestions, voice input, and intelligent password strength feedback to a React Native login form.
- To implement smart email suggestions, the author uses the GPT model from OpenAI to generate relevant email suggestions based on context.
- Voice input functionality is added using the @react-native-voice/voice package, allowing users to input information using their voice.
- The article also covers implementing a password strength checker that provides nuanced feedback based on password patterns and complexity.
- The final component integrates these features, creating a login form that is user-friendly and offers helpful AI-powered functionalities.
- Lessons learned include providing traditional input methods alongside AI features, transparency in data usage, and ensuring AI features enhance user experience.
- Future possibilities include facial recognition, anomaly detection, and sentiment analysis for a more personalized authentication process.
- The shift towards AI-powered login experiences reflects changing user expectations and the importance of creating a personalized entry point to applications.
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Medium
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331
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Our Frontend Team Rewrote a React App in Svelte — And We’re Not Going Back
- A React app with 50,000 lines of code, multiple state management libraries, and a slow build process was causing performance issues and developer frustration.
- In an effort to address the problems, the team decided to rewrite the entire app in Svelte and found significant improvements in performance and developer experience.
- While the React app initially followed best practices with functional components, hooks, and Redux for state management, the growing complexity led to challenges like managing Redux thunks, React Context, and useEffect hooks.
- The switch to Svelte proved successful for the team, highlighting the benefits of adopting a different framework to overcome limitations faced in the React app.
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Crypto-News-Flash
1M
206
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Ethereum’s Pectra Upgrade Under Threat from Scammers — Will ETH Price React?
- Ethereum's Pectra upgrade faces security risks, with scammers exploiting EIP-7702 smart accounts.
- Users advised to only authorize EIP-7702 through official wallet apps and plugins to prevent theft of ETH coins.
- GoPlus Security warns users about the scammer exploiting trust in the Pectra upgrade, redirecting ETH to a fraudulent wallet upon authorization.
- Despite security concerns, Ethereum's price remains bullish at $2,485, with a 3.94% increase in the last 24 hours, alongside proposed network improvements by Vitalik Buterin.
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Logrocket
1M
398
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Why URL state matters: A guide to useSearchParams in React
- URL state management involves storing application state in the URL query parameters with useSearchParams in React, ensuring synchronization between the app state and the address bar.
- Storing state in the URL provides persistence to filters, enables sharing views, and enhances user experience, contrasting with the limited memory-based component state.
- React Router and Next.js offer ways to work with URL query parameters, simplifying the implementation of URL-based state management.
- The limitations of using useState to manage filter state include data loss on refresh, back button usage, and sharing views, as the state is confined to the component.
- useSearchParams in React Router helps in reading and updating URL query parameters, offering a more resilient and user-friendly app state management.
- Retrieving filter values from the URL in React involves extracting parameters using the searchParams object, ensuring proper type conversion for consistent behavior.
- By updating query parameters with setSearchParams, the URL stays updated, triggering navigation automatically in response to user input.
- To avoid cluttering the browser history, setSearchParams can update URL search params without adding to the history by using { replace: true } as the argument.
- Centralizing the update logic for multiple URL search parameters in a helper function enhances code organization and reduces redundancy in event handlers.
- useSearchParams provides a declarative way to manage query parameters, offering a smoother experience than manual parsing of window.location.search and full page reloads.
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Logrocket
1M
322
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Building an agentic AI workflow with Ollama and React
- Building agentic AI workflows with Ollama and React allows for cost-efficient, private, and reliable AI processes by running local models like Llama 3, Gemma 3, and DeepSeek R1 seamlessly.
- The evolution of AI applications has transitioned from rule-based systems to machine learning and neural networks, leading to the development of Large Language Models (LLMs) based on transformer models.
- LLMs enable tasks like advanced chatbots, content generation, and question-answering systems, with some LLMs capable of proactive problem-solving and agentic workflows.
- Agentic workflows involve autonomous planning, reasoning, and adaptive capabilities, allowing AI agents to dynamically change strategies based on feedback and information.
- Key components for effective AI agents include perception, reasoning and planning, memory management, and action implementation.
- Using local models like Ollama offers enhanced data privacy, reduced operational costs, offline support, and improved performance for agentic AI workflows compared to cloud-based solutions.
- Ollama simplifies running various LLMS on a machine, providing CLI and API access to download and serve models like Llama 3, Mistral, and Gemma for different AI tasks.
- Setting up Ollama involves downloading the installer, pulling models from the library, and running models via commands on the local machine to interact with the AI systems.
- A demo travel planner app showcasing agentic AI capabilities is built using Gradio and React, highlighting the balance between rapid development with Gradio and advanced scalability with React.
- Other AI agent frameworks like Semantic Kernel, LlamaIndex, LangGraph, Rasa, Hugging Face Transformers, and more offer unique features for developing intelligent, context-aware agents.
- Utilizing local models with tools like Ollama in conjunction with React frontends presents a powerful approach to creating robust, user-friendly AI applications with enhanced privacy and performance.
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