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📡 A Practical Guide to Using WebSockets in Real-Time Apps
- WebSockets have become essential for real-time applications, allowing bidirectional communication between client and server over a persistent connection.
- WebSockets are ideal for real-time communication, live updates, push notifications, and bidirectional interaction in applications, providing immediate updates without constant polling.
- Node.js with the ws library can be used to set up a basic WebSocket server, while connecting WebSockets in the frontend can be achieved using React with proper event handling.
- Best practices for using WebSockets include implementing reconnection logic, managing socket data with Context or State Management, and securing sockets with wss:// in production.
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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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Medium
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Why Your First 100 Bugs Are the Best Thing That Ever Happened to You
- Bugs in programming provide valuable feedback and opportunities to learn.
- They help in developing attention to detail and understanding code functionality.
- Debugging teaches structured and logical thinking in problem-solving.
- It cultivates patience, thoroughness, and prediction of potential errors.
- Reading and understanding code meticulously is a crucial skill improved through bug fixing.
- The ability to search for help efficiently and evaluate solutions is enhanced by debugging.
- It shifts focus from writing perfect code to writing functional code first.
- Bugs serve as learning opportunities and are essential for skill development in programming.
- Embracing imperfection and learning from mistakes are key lessons gained through debugging.
- Each bug resolved contributes to building confidence and problem-solving abilities.
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Dev
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Open source AI stack components
- Comprehensive list of open source AI stack components for building GenAI applications with focus on modularity, scalability, and performance.
- Components include models for data processing, model serving, retrieval-augmented generation (RAG), vector search, and orchestration.
- Tools for serving models, managing prompts, memory, and chaining, frontend/chat UI, inference and runtime optimization, security & DevOps, and full stack boilerplates.
- Experimental tools such as Ollama for managing LLMs locally, Modal for serverless infra, and LiteLLM for OpenAI-compatible APIs.
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Dev
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Some surprising insights about width and height calculation in css
- The Height Enigma by Josh Comeau: Exploring percentage-based heights in CSS.
- Tixy Land by Martin Kleppe: Demonstrating effects with minimal math formulas.
- MCP by speakeasy.com: Detailed introduction.
- PptxGenJS by Brent Ely: Developing PowerPoint presentations with JavaScript, compatible with various platforms.
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Dev
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💰 Real-Time Indian Rupee Formatting in HTML Forms — With Clean Backend Submissions
- Implementing real-time Indian currency formatting in HTML forms using vanilla JavaScript for frontend display and clean backend submissions.
- Creating a form field that visually shows Indian-style commas while typing and saves a clean numeric value to the backend without the use of external libraries.
- Utilizing native JavaScript for handling input masking and data formatting, ensuring production safety and efficiency.
- The approach involves using two input fields - one for visible input with commas and another hidden input for storing the plain numeric value, ensuring a seamless user experience.
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Medium
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Scope functions in Kotlin
- Scope functions in Kotlin create a local scope around the object, enabling changes or code execution.
- There are 5 main scope functions in Kotlin: Let, Apply, Run, Also, and With.
- Let is used for null checks and further actions if needed, while Apply is mainly used for initializing object data.
- Run allows executing code while accessing object properties, and With simplifies accessing object properties without extension functions.
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Medium
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The J-35A Acquisition: A Strategic Leap
- China is expediting the delivery of 30 J-35A jets to Pakistan by August 2025 or early 2026, offering a 50% discount due to success in recent military conflicts with India.
- PAF pilots are undergoing training in China to operate fifth-generation J-35A jets, showcasing strong military cooperation between Pakistan and China.
- Pakistan's air force, following recent combat successes against India using Chinese-made jets and missiles, has gained recognition as the "lions of the Sky."
- The acquisition of J-35A enhances Pakistan's air defense capabilities, positioning it as a formidable force with advanced Chinese technology, ahead of India in certain aspects.
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Dev
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Overdraw, Memory Leaks, ANR and Slow Rendering in Android Apps
- Overdraw in Android apps occurs when a pixel on the screen is drawn multiple times, resulting in performance issues.
- To diagnose overdraw, developers can use the debug GPU overdraw feature in the developer options on Android.
- ANR (Application Not Responding) occurs when an app in the foreground becomes unresponsive, leading to user frustration.
- Preventing ANR involves keeping the main/UI thread unblocked and ensuring responses to user input within a certain timeframe.
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Dev
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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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Dev
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Node.js' config Library Shouldn't Be Used in TypeScript
- Config module in Node.js is considered an anti-pattern when using TypeScript.
- Global variables like process.env.NODE_ENV can lead to untyped and unparsed configurations, lacking type safety.
- It is recommended to define default, dev, and prod configurations with type safety and environment awareness, rather than relying on global variables.
- Instead of using the config module, it is suggested to create simple types along with a helper function for type-safe configuration in TypeScript projects.
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Dev
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254
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How to Run Cursor AI in the Cloud with Remote Desktop Access
- Guide on running Cursor AI on a cloud server and accessing it via Remote Desktop (RDP) with a full GUI.
- Steps include creating a Vultr server, installing a lightweight desktop environment (Xfce), and configuring XRDP for Ubuntu 24.04.
- Additionally, setting up GNOME Keyring, installing Chromium Browser, and Cursor AI are part of the guide.
- Users can access the Ubuntu remote desktop with Cursor AI editor for AI-enhanced coding from anywhere.
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Dev
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Five layer of software application.
- Software development emphasizes the importance of a well-structured application architecture for scalability, maintainability, and testability.
- The 5-layer architecture segregates applications into logical layers: Presentation, Application, Business Logic, Data Access, and Database.
- Each layer has distinct responsibilities and specific technologies associated with it, ensuring separation of concerns, scalability, testability, and maintainability.
- Implementing the 5-layer architecture guarantees robust applications that are organized, maintainable, scalable, and easy to test, regardless of the project's size.
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Dev
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239
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Project of the Week: Grafana
- Grafana, a popular open-source observability platform, has a strong community contributing to 75% of PRs and efficient review processes with 99% of PRs undergoing reviews before merging.
- In comparison with Kibana, Grafana shows slower initial review times but faster overall wait times, indicating a more responsive development process. While both have strong community involvement, Kibana has a higher percentage of community PRs.
- Grafana's core team is more active in contributing PRs compared to Kibana, showcasing a balanced approach to project stewardship with a focus on maintaining high code quality.
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Dev
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Daily JavaScript Challenge #JS-186: Calculate the Product of All Odd Numbers in an Array
- Today's JavaScript coding challenge involves calculating the product of all odd numbers in an array.
- Developers are encouraged to write a function that takes an array of integers and returns the product of all odd numbers, with a return of 1 if there are no odd numbers.
- The challenge falls under the topic of Array Manipulation and is considered easy in difficulty.
- Developers can find more information about the challenge and engage in discussions on the provided links.
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