--- title: Best Hacker News posts — April 2025 | daily.dev description: The most upvoted Hacker News posts from April 2025, curated by the daily.dev community. canonical: https://daily.dev/sources/hn/best-of/2025/04 twitter:card: summary_large_image twitter:site: @dailydotdev og:url: https://daily.dev/sources/hn/best-of/2025/04 og:type: website og:site_name: daily.dev og:title: Best Hacker News posts — April 2025 | daily.dev og:description: The most upvoted Hacker News posts from April 2025, curated by the daily.dev community. og:image: https://media.daily.dev/image/upload/s--VAY5ToZt--/f_auto/v1724209435/public/daily.dev%20-%20open%20graph --- # Best of Hacker News — April 2025 1. 1 [](https://daily.dev/posts/javascript-animation-engine-9pqzinbcv "JavaScript Animation Engine") Article Hacker News · 1y JavaScript Animation Engine Anime.js is a versatile JavaScript animation library offering several features, including rotating objects, creating motion paths, and animating SVG paths. Users can create timelines, apply staggered animations, and make elements draggable with customizable easing options. The library also supports advanced configurations like spring physics and media query-based animations. 3K 120 2. 2 [](https://daily.dev/posts/the-only-animated-ui-library-you-will-ever-need-7wxxbncc8 "The only animated UI library you will ever need") Article Hacker News · 1y The only animated UI library you will ever need Reverse UI is a reverse engineered UI library that allows seamless integration of trending animated components into web projects, handling all styling and animations for the user. 755 45 3. 3 [](https://daily.dev/posts/get-the-hell-out-of-the-llm-as-soon-as-possible-aakiicaxn "Get the hell out of the LLM as soon as possible") Article Hacker News · 1y Get the hell out of the LLM as soon as possible Large Language Models (LLMs) should not be used for decision-making or implementing business logic due to their poor performance in these areas. Instead, LLMs should be employed as an interface for translating user inputs into API calls, with the actual logic handled by specialized systems. This approach enhances performance, debugging, and reliability. LLMs are best utilized for tasks involving transformation, interpretation, and communication, rather than maintaining critical application state. 446 46 4. 4 [](https://daily.dev/posts/self-hosting-like-its-2025-6psxz9cb6 "Self Hosting Like Its 2025") Article Hacker News · 1y Self Hosting Like Its 2025 Self-hosting has become a popular alternative to using data-collecting services. The post discusses the benefits of self-hosting, highlights helpful yet lesser-known software, and provides insights into container runtimes like Docker, Podman, and Kubernetes. It also covers web-based tools for managing containers such as Portainer and Dockge, and discusses reverse proxy and VPN solutions like Pangolin and NetBird. Additionally, it references resources for finding more applications and tools to enhance the self-hosting experience. 444 13 5. 5 [](https://daily.dev/posts/i-use-zip-bombs-to-protect-my-server-fwoackdzz "I use Zip Bombs to Protect my Server") Article Hacker News · 1y I use Zip Bombs to Protect my Server Traffic from bots is a major issue on the web, with many being malicious and aiming to exploit server vulnerabilities. Zip bombs can be used as a protective measure against these bots. A zip bomb is a small compressed file that expands to an enormous size, overwhelming the bot's server and causing it to crash. This method can be implemented by serving bots a deceptive file that they attempt to decompress, leading to system failures in less sophisticated bots. However, it is not foolproof and can be circumvented by more sophisticated scripts. 393 17 6. 6 [](https://daily.dev/posts/ai-2027-k9ft8q1r6 "AI 2027") Article Hacker News · 1y AI 2027 AI 2027 portrays a scenario where superhuman AI revolutionizes various industries, surpassing the impact of the Industrial Revolution. Driven by contributions from experts and extensive simulations, the forecast includes predictions about AI becoming autonomous agents in workplaces, the competitive arms race in AI development, and the geopolitical ramifications of AI advancements. The scenario includes different endings to explore potential future outcomes, emphasizing the goal of predictive accuracy rather than recommendations. OpenAI's research and experts play a pivotal role in shaping this vision, and there is a call for debate and alternative scenarios to enrich the conversation about our AI-driven future. 363 23 7. 7 [](https://daily.dev/posts/bhvr-ebuudkbru "bhvr") Article Hacker News · 1y bhvr bhvr is a modern and lightweight fullstack repository for building web applications using Typescript. It integrates Bun for a JavaScript runtime and toolkit, Hono for a fast web framework, Vite for frontend tooling, and React for UI components. This stack aims to provide an alternative to traditional options like Node.js, Express, and Webpack, offering speed, portability, and minimal vendor lock-in. 326 17 8. 8 [](https://daily.dev/posts/vert-sh-4xgbid5iy "VERT.sh") Article Hacker News · 1y VERT.sh VERT.sh allows you to quickly convert various image, video, and audio files directly on your device with no file size limit, no ads, and all processing done locally. It supports a wide range of file formats and is fully open source. Video conversion can be set up locally by following the guide provided. 210 6 9. 9 [](https://daily.dev/posts/migrating-away-from-rust--itpgzo2kl "Migrating away from Rust.") Article Hacker News · 1y Migrating away from Rust. The development of Architect of Ruin initially began in Rust with the Bevy game engine due to personal preferences and the positive community around Bevy. However, challenges such as collaboration difficulties, abstraction issues, rapid iteration needs, migration pain, and modding limitations prompted a switch to Unity and C#. The team conducted an experiment evaluating core features implementation, leading to a full port decision. The switch resulted in faster development, better collaboration, and improved maintainability. 201 21 10. 10 [](https://daily.dev/posts/firebase-studio-4pddboack "Firebase Studio") Article Hacker News · 1y Firebase Studio Firebase Studio is a web-based workspace for full-stack application development that leverages generative AI from Gemini for tasks like coding, debugging, and testing. Users can quickly build backends, front ends, and mobile apps with support for various tech stacks, import repositories, or use natural language to create applications. It offers thousands of extensions, app previews, and deployment options to Firebase Hosting, Cloud Run, or custom infrastructure. Currently available for free during preview with additional workspace for Google Developer Program members. 184 10 11. 11 [](https://daily.dev/posts/nebula-sans-osmec6nda "Nebula Sans") Article Hacker News · 1y Nebula Sans Nebula Sans is a custom typeface created by Nebula to address personalization, advanced typography features, and sustainability concerns regarding commercial font licensing. Built on the foundation of Source Sans, adjustments were made to align it with the metrics of Nebula's previous brand typeface, Whitney SSm. 179 12 12. 12 [](https://daily.dev/posts/localhost-domains-qvyhsj9ei ".localhost domains") Article Hacker News · 1y .localhost domains Set up private, custom domains for local web-apps using 'appname.localhost' instead of 'localhost:4333'. Steps involve configuring apps as launchd daemons, redirecting traffic in /etc/hosts, and using Caddy for port redirection. A more streamlined process for easy installation or removal of these domains is desired. An update highlights a command using dnsmasq for further simplification. 173 4 13. 13 [](https://daily.dev/posts/i-left-spotify-what-happened-next--fo6wkhw5g "I left Spotify. What happened next?") Article Hacker News · 1y I left Spotify. What happened next? After leaving Spotify, the author experimented with various music players, ultimately setting up Jellyfin as a self-hosted solution. They explored traditional music players like Winamp and VLC, trialed foobar2000, and even built a custom web music player. The journey ended with Jellyfin, which offers comprehensive features for local and offline music playback. The author also notes the ease of setting up a home server for self-hosting Jellyfin, along with other applications. 155 8 14. 14 [](https://daily.dev/posts/database-relationship-diagrams-design-tool-qkaezqaix "Database Relationship Diagrams Design Tool") Article Hacker News · 1y Database Relationship Diagrams Design Tool Dbdiagram offers a free tool for developers and analysts to design database relationship diagrams using simple DSL language. The platform supports features like ER diagram creation, web-based database documentation, and defining database schemas through code. Users can benefit from a streamlined development workflow for database design and analysis. 152 6 15. 15 [](https://daily.dev/posts/fake-job-seekers-are-flooding-u-s-companies-that-are-hiring-for-remote-positions-tech-ceos-say-bicruk30u "Fake job seekers are flooding U.S. companies that are hiring for remote positions, tech CEOs say") Article Hacker News · 1y Fake job seekers are flooding U.S. companies that are hiring for remote positions, tech CEOs say Fake job seekers are increasingly targeting U.S. companies hiring for remote positions, using AI tools like deepfake software to secure employment. The deception ranges from installing malware to stealing data or simply collecting wages. Companies across various industries, particularly in cybersecurity and cryptocurrency, have experienced a surge in such fraudulent applications. Efforts to tackle this issue include adoption of advanced identity-verification technologies. 137 26 16. 16 [](https://daily.dev/posts/writing-cursor-rules-with-a-cursor-rule-wuxvrsu1e "Writing Cursor Rules with a Cursor Rule") Article Hacker News · 1y Writing Cursor Rules with a Cursor Rule Cursor is a tool for LLM-assisted coding but suffers from a lack of episodic memory, causing repetitive instructions for coding conventions. Building systems, like documentation and style guides, and using Cursor rules, can bridge this memory gap. Implementing a meta-cursor rule simplifies creating consistent project guidelines, allowing quick context recovery for AI, saving time and improving project consistency. 120 3 17. 17 [](https://daily.dev/posts/you-might-not-need-websockets-bvca3vfaa "You might not need Websockets") Article Hacker News · 1y You might not need Websockets Websockets are often considered essential for real-time applications, but they come with complexities and pitfalls. Using WebSockets can lead to transaction issues, challenging lifecycle management, and increased server complexity. Alternatives like HTTP streaming offer simpler solutions without needing a full duplex connection. HTTP allows efficient data streaming and easier error management, making it suitable for many real-time use cases. 119 4 18. 18 [](https://daily.dev/posts/a-man-powers-home-for-8-years-using-1-000-old-laptop-batteries-hllbjmiqs "A Man Powers Home for 8 Years Using 1,000 Old Laptop Batteries") Article Hacker News · 1y A Man Powers Home for 8 Years Using 1,000 Old Laptop Batteries A man has powered his home for eight years using over 1,000 recycled laptop batteries combined with a solar panel system. Starting from a basic setup in 2016, he expanded his installation to include a workshop and more sophisticated battery management. Despite initial challenges, the system has operated reliably and sustainably without needing battery replacements. 119 8 19. 19 [](https://daily.dev/posts/the-hidden-cost-of-ai-coding-c9up02yd3 "The Hidden Cost of AI Coding") Article Hacker News · 1y The Hidden Cost of AI Coding AI coding tools can significantly enhance productivity but may diminish the deep satisfaction and flow state developers experience when manually writing code. While AI tools streamline tasks, they can make developers feel detached and potentially reduce long-term happiness in their craft. It's necessary to find ways to preserve the joy of coding in the AI-augmented world by balancing efficiency with fulfilling creative activities. 117 22 20. 20 [](https://daily.dev/posts/anatomy-of-a-sql-engine-nwkumpvv9 "Anatomy Of A SQL Engine") Article Hacker News · 1y Anatomy Of A SQL Engine The post explores the anatomy of a SQL engine, detailing the journey of a query from parsing to result spooling. It outlines key stages such as parsing, binding, plan simplification, join exploration, and plan costing. It highlights DoltHub's approach to SQL engines using row-based execution and explores aspects of parsing, including right and left recursive methods. Further discussions include binding AST nodes, simplifying query plans, exploring join orders, and establishing optimal execution strategies. The post concludes with insights into future improvements in query execution efficiency. 113 1 21. 21 [](https://daily.dev/posts/one-line-of-code-that-did-cost-8-000-vjjs9cgqb "One line of code that did cost $8,000") Article Hacker News · 1y One line of code that did cost $8,000 Screen Studio, a macOS screen recorder app, inadvertently generated 2 petabytes of network traffic on Google Cloud due to a bug in its auto-updater. The issue arose from a missing code line that failed to stop downloads after the update file was obtained, causing repeated downloads every 5 minutes. This led to significant financial costs and user consequences, highlighting the importance of setting cloud alerts and carefully managing auto-updater codes. 100 7 22. 22 [](https://daily.dev/posts/gitmcp-sbureiipb "GitMCP") Article Hacker News · 1y GitMCP GitMCP enables instant creation of a dedicated Model Context Protocol (MCP) server for any GitHub project, allowing AI assistants to understand and interact with your repository's context. By simply modifying the domain of your GitHub repository URL to gitmcp.io, you can configure your AI tools to provide more accurate and relevant responses. This service works with all public GitHub repositories, GitHub Pages, and popular MCP-compatible AI tools. 97 4 23. 23 [](https://daily.dev/posts/handsonllm-hands-on-large-language-models-official-code-repo-for-the-o-reilly-book-fktxjzihl "HandsOnLLM/Hands-On-Large-Language-Models: Official code repo for the O'Reilly Book") Article Hacker News · 1y HandsOnLLM/Hands-On-Large-Language-Models: Official code repo for the O'Reilly Book The Hands-On Large Language Models repository provides code examples from the book by Jay Alammar and Maarten Grootendorst. The book, known for its visual educational approach with almost 300 custom-made figures, covers practical tools and concepts needed to use Large Language Models. The authors recommend using Google Colab for running examples, but any cloud provider should work. Additional visual guides related to LLMs are also available. The book is a valuable resource for understanding and working with state-of-the-art language models. 96 1 24. 24 [](https://daily.dev/posts/free-interactive-c-tutorial-i4s9g2qf4 "Free Interactive C Tutorial") Article Hacker News · 1y Free Interactive C Tutorial Learn-c.org offers a free, interactive tutorial for learning the C programming language. It is suitable for both beginners and experienced developers, with sections on basics like variables and loops, and advanced topics including pointers and dynamic allocation. Contributions to the site are welcomed. 95 2 25. 25 [](https://daily.dev/posts/unsure-calculator-vtqtbwthf "Unsure Calculator") Article Hacker News · 1y Unsure Calculator The Unsure Calculator allows users to perform calculations with uncertain values, using range notation to specify the range within which the actual values are expected to fall. The tool simplifies the understanding of statistics by allowing non-exact numbers to be used in calculations, thus making it accessible to a broader audience. Originally created to help with everyday financial decisions, it also finds use in complex equations like the Drake equation in astrophysics. 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