Community Picks·2ySay no to console.log!
Explore alternatives to `console.log` such as `console.dir` for hierarchical listings, `console.table` for tabular data, `console.group` for grouping messages, `console.time` & `console.timeEnd` for timing tasks, and `console.clear` to clear the console, making your development process more productive and enjoyable.
DEV·2yonClick={someFunction} VS onClick={()=>someFunction}
Using `onClick={someFunction}` directly references the function and executes it on click without creating an extra function, making it more efficient for simple handlers. In contrast, `onClick={() => someFunction()}` creates a new function on each render, ideal for scenarios where arguments need to be passed or additional operations are required before executing the function.
DEV·2yREST API Design Rules
Importance of clean REST API designs for usability, maintainability, security, performance, development time, scalability, reusability, and documentation. URI rules include plural collections, singular/singletons, no trailing forward slashes, hyphen use, lowercase letters, no file extensions, and avoiding CRUD function names. HTTP method rules for creating, reading, updating, deleting, and patching resources. Versioning for maintaining backward compatibility and consistent API design.
gitconnected·2ySystem Design Interview: Design WhatsApp
This post outlines how to design a high-level system architecture for a messaging app similar to WhatsApp. Key points include handling 10 billion messages daily with plans to double, using RESTful APIs for compatibility, employing WebSockets for real-time communication, and using message queues like Kafka or RabbitMQ for efficient message distribution. The databases considered are NoSQL options like Cassandra and DynamoDB, emphasizing sharding and partitioning for scalability. End-to-end encryption, handling peak traffic, and future enhancements like group chats and media handling are also discussed.
Codemotion·2yCreating a Fallout-Style UI Using Modern CSS
Learn how to create a retro-futuristic user interface inspired by the Pip-Boy 3000 from the Fallout series using modern CSS techniques. The tutorial covers semantic HTML, responsiveness, typography and colors, responsive layout, visual effects and animations, and using generative AI for sci-fi content.
This is Learning·2y7 Open Source Projects You Should Know - JavaScript Edition ✔️
Discover seven intriguing open-source JavaScript projects including Appwrite, melonJS, GDevelop, Egg.js, API Vault, sweetalert2, and Video.js. From backend solutions to game engines and video players, these tools provide diverse functionalities for web and mobile development. Learn about their unique features and how they can be integrated into your projects.
MDN Blog·2yNew JavaScript Set methods
New JavaScript Set methods such as intersection, union, difference, symmetricDifference, isSubsetOf, isSupersetOf, and isDisjointFrom have become available across most major browser engines without the need for polyfills. These methods facilitate various set operations, making it easier to perform operations like finding common elements, combining sets, and checking subset or superset relationships. Sets in JavaScript offer advantages for unique collections and performance improvements over arrays when dealing with larger datasets.
DEV·2y🚀 Create An Attractive GitHub Profile README 📝
Enhance your GitHub profile with a standout README using a comprehensive custom template. Your README is crucial for making a great first impression on potential employers and collaborators. Start by setting up a special README repository named exactly as your GitHub username. Add a warm introduction, an 'About Me' section, and detailed sections for resume, experience, coding handles, and tech stack. Highlight key projects, show stats and activity, and end with social links and contact information. Utilize GitHub Actions for automating recent activities and merged PRs. Incorporate additional elements like jokes or Spotify music for a personal touch. Follow the guide for a visually appealing and organized README.
Community Picks·2yWhat is this weird CSS Syntax?
Learn about an interesting CSS syntax involving the adjacent sibling combinator (+) and the asterisk (*) to select non-immediate adjacent elements of the same class. This allows styles to be applied to specific siblings a few elements away when hovering over a targeted element.
DEV·2yHow to Test Local Website on Mobile Devices
Learn how to test local websites on mobile devices in three simple steps. Use the VS Code Editor and the Live Server extension for better visualization, clarity, and touch interaction with your project. Make sure your phone and desktop are connected to the same WiFi network, run the Live Server, find your local IPv4 address, and view your project on the phone using the IP address and port number.
Community Picks·2yDifference Between Number() and parseInt() in Converting Strings?
Number() searches the entire string for numbers, returning NaN if any non-numeric characters are found. parseInt() and parseFloat() return the first number found in the string, ignoring the rest. If there are no numbers at the beginning, they return NaN.
David Heinemeier Hansson·2yIntroducing Omakub
Omakub is an opinionated web developer setup for Ubuntu that turns a fresh installation into a fully-configured, beautiful, and modern web development system. It includes curated applications and tools and focuses on providing a cohesive package of goods for developers new to Linux.
Community Picks·2yHow to reduce unused JavaScript in your code?
Reducing unused JavaScript is crucial for optimizing modern websites. This guide covers techniques like code splitting, tree shaking, minifying JavaScript, loading scripts asynchronously, dynamic imports, and lazy loading to help improve web performance by cutting down on unnecessary code.
Community Picks·2yWriting A Microservice Using Node.js
The post discusses the benefits of using Node.js for web services development and explains how to build a microservice using Node.js. It covers topics such as the tech stack, database choice, web framework, validation, configuration, static analysis, testing, logging, metrics, monitoring stack, local infrastructure with Docker, and continuous integration. The code examples and explanations provide valuable insights for Node.js web developers.
Community Picks·2yJWT vs PASETO: New Era of Token-Based Authentication
The post offers a detailed comparison between JWT (JSON Web Token) and PASETO (Platform-Agnostic Security Tokens), examining their core functionalities, security features, and potential vulnerabilities. While JWT is popular for its simplicity, PASETO addresses many of its security issues by enforcing safer defaults and mitigating algorithm confusion. The post covers the workflows of both token types, their structures, and key differences in their approach to security, making it a valuable read for developers looking to implement secure token-based authentication.
ITNEXT·2yOptimizing Web Backends
The post discusses common techniques for optimizing web backend performance, focusing on issues related to high response times. It categorizes optimization strategies into three main layers: Application, Database, and Infrastructure. Key methods include optimizing algorithms, using asynchronous functions, leveraging concurrency, indexing databases, scaling databases, data compression, using CDNs, upgrading to HTTP/2 or HTTP/3, and replicating infrastructure. Continuous measurement and testing are emphasized to ensure effectiveness.
Community Picks·2yHow to use Socket.IO and build your first multiplayer game!
Learn how to use Socket.IO to build a multiplayer game where a button moves to a random location when clicked. The tutorial guides you through setting up your environment, writing server code, and creating the real-time functionality using Socket.IO for seamless client-server communication. By the end, you'll understand how to pass data, emit, and listen for messages in a real-time web application.
Community Picks·2yRegex, the good bits.
Regex, though powerful, can be difficult to manage and read due to its concise syntax and numerous exceptions. This blog aims to provide insights into using regex effectively for tasks like searching, matching, and extracting information from text, while also highlighting the potential pitfalls of overusing it. It covers basic patterns, meta characters, repeating patterns, and capture groups, with practical JavaScript examples demonstrating each concept.
freeCodeCamp·2yWhat's New in React 19
React 19 introduces numerous features and enhancements, including improved data mutation handling, optimistic updates, and new APIs like `use()`. The update also offers innovative tools such as a new open-source compiler for performance optimization. Developers can learn about these enhancements via a comprehensive course provided by Bob Ziroll from Scrimba and freeCodeCamp.org on YouTube.
DEV·2yUnderstanding Debouncing in JavaScript
Debouncing in JavaScript is a technique to limit the rate at which a function is executed. It helps optimize performance, enhance user experience, and reduce unnecessary network requests. Learn how to implement debouncing in JavaScript for better control of event triggers.
