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Medium

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Distributed Web Crawling Guide: System & Architecture

  • Web crawling extracts data from websites, distributed crawling scales processes across multiple machines.
  • Using Celery and Redis for a distributed web crawler enhances efficiency in large-scale scraping.
  • Tasks are divided among workers, URLs are tracked in Redis, and parsers can be customized.

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Medium

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The Birthday Paradox: Why 23 People Are All You Need for a 50% Chance of Shared Celebration

  • In a group of 23 people, there is a 50% chance of at least two people sharing the same birthday.
  • The Birthday Paradox arises from comparing every possible pair of people against all 365 potential dates, leading to an explosion in the number of comparisons.
  • This paradox has significant implications in computer science and cryptography, setting limits on collision probabilities for hash functions and aiding in testing the quality of random number generators.
  • Understanding the principles behind the Birthday Paradox showcases the limitations of human intuition in probability and highlights the importance of precise mathematical analysis in various fields.

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Python Blogs

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What are the best practices for writing meta descriptions in an e-store?

  • Meta descriptions act like signs in a store, providing a brief overview of e-store pages for both people and search engines.
  • Best practices for writing effective meta descriptions include keeping them concise, using power words to grab attention, incorporating target keywords, speaking directly to the user, adding a call-to-action, ensuring uniqueness for each description, and accurately reflecting the page content.
  • Additional tips for crafting pro-level meta descriptions include avoiding jargon, highlighting benefits, and considering mobile users by keeping descriptions short.
  • Writing meta descriptions for an e-store can be enjoyable and impactful, serving as mini-ads that entice users to click and explore further.

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Dev

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🚀 Master VS Code on Mac: The Ultimate Keyboard Shortcuts Guide for Next.js & Python Developers

  • Master VS Code on Mac with essential keyboard shortcuts for Next.js & Python developers.
  • Learn basic text editing, advanced coding techniques, tab management, and debugging shortcuts.
  • Maximize efficiency and productivity by customizing shortcuts and practicing with real projects.
  • Discover game-changing shortcuts for navigating code, debugging, and staying organized on macOS.

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Dev

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Import on Interaction

  • Import on Interaction is a performance pattern that allows deferred loading of resources over the network based on user interaction.
  • It involves using React.lazy, Suspense, Dynamic Import, and facade pattern to load resources only when needed instead of loading them immediately on page load.
  • Examples include loading 3rd party widgets, authentication SDKs, infrequently used features like scroll-to-top animations or export libraries, analytics, and tabbed interfaces on user interaction or click events.
  • Facades can be used for deferring loading of elements like Youtube video embeds and Google login SDK until the user interacts with them to enhance performance.

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Javacodegeeks

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Build REST/GraphQL APIs with Apache Camel

  • Apache Camel simplifies system connection and API exposure.
  • Learn how Camel integrates with GraphQL and REST APIs for seamless development.
  • Apache Camel's DSL and GraphQL's efficient data fetching enhance backend orchestration.
  • Explore setting up projects, creating models, services, REST endpoints, and GraphQL schemas.

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Dev

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Single Core Hundred Thousand Concurrency(1751263171256200)

  • Troubling question for junior CS student: achieving high concurrency on single-core processor.
  • Evolution from multi-process to event-driven models. Event-driven architecture key for high concurrency.
  • Event-driven processor explained with high-concurrency endpoint processing. Performance testing results shared.

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Dev

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Mastering Asynchronous Programming Patterns Task Modern Web(1751263152800600)

  • Experience the charm of modern async programming through a Rust-based framework.
  • Learn about async advantages like concurrent execution, performance improvement, and resource efficiency.
  • Explore async runtime, handling tasks, async stream processing, and performance comparison.
  • Deep dive into async thinking for better web app scalability and user experience.

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Dev

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API Gateway Design Pattern Unified Entry Management Strategy in Microservice Architecture(1751262543677200)

  • API gateways are critical entry points in microservice architectures, handling authentication, load balancing.
  • Well-designed gateways abstract microservice complexities, providing unified interfaces, routing, and cross-cutting concerns.
  • Advanced gateway features include service mesh integration, dynamic config management, multi-protocol support.
  • Performance optimization strategies like connection pooling, caching, compression, enhance gateway operations.
  • Security considerations focus on authentication, input validation, DDoS protection, monitoring, and scalability strategies.

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Dev

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Flame Graph Reveals Performance Optimization Truth Deep Analysis by Computer Science Student(1751262387538400)

  • A junior computer science student shares insights gained from exploring performance optimization in web development.
  • The student highlighted the benefits of Rust-based web frameworks, emphasizing memory safety and performance optimization.
  • Extensive testing and optimization led to significant performance improvements, leveraging the framework's asynchronous architecture and zero-cost abstractions.
  • The experience deepened the student's understanding of modern web development principles, praising the framework's combination of type safety, performance, and developer experience.

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Dev

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Perl 🐪 Weekly #727 - Which versions of Perl do you use?

  • Perl Weekly 727 ran a poll on Perl versions used at work.
  • Results showed varying version usage, with comments on using system Perl.
  • Editor Gabor Szabo also shared updates on his Perl OOP book and Leanpub.
  • Supporting Szabo via Patreon/GitHub was encouraged for those who find his work valuable.

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Medium

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Why Data Centers Are Moving Underwater (And What It Means for Your Apps)

  • Data centers are now being moved underwater to cool overheating digital infrastructure.
  • A 1,433-ton data center is processing high-definition images and AI workloads 35 meters underwater off the coast of China.
  • This innovative approach is seen as the next frontier in cloud computing infrastructure.
  • The move to underwater data centers can have significant implications for app performance, latency, and environmental impact.

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Dev

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When Should You Choose CSS Grid Over Flexbox?

  • CSS Grid and Flexbox are tools for creating layouts in different situations.
  • CSS Grid is ideal for two-dimensional layouts with precise placement and overlapping elements.
  • Use CSS Grid for full-page layouts, responsive designs, and when needing strict control.
  • Flexbox is better for one-dimensional layouts like navigation bars or flexible item sizes.

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Dev

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The Ultimate Guide to Error Handling in JavaScript: try-catch, Throwing, and Real-World Practices

  • Errors in JavaScript are inevitable, but good code remains safe with proper handling.
  • The article covers try-catch blocks, throwing errors, and handling async errors in JS.
  • Understand why errors occur, how try...catch works, throwing custom errors, and real-world practices.
  • Learn best practices, such as meaningful error messages, custom error classes, and async handling.

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Javacodegeeks

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Building Internal Developer Platforms with Backstage.io

  • Backstage.io is a framework enhancing developer experience through templates, documentation, and governance.
  • Its integration at Spotify centralized tools, streamlined workflows, and improved quality and discoverability.
  • Backstage's TechDocs, templates, and governance tools benefit organizations like American Airlines and Netflix.

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