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<div style="display: none; max-height: 0px; overflow: hidden;">Bun is a JavaScript runtime that achieves faster package installation times compared to npm and pnpm by treating it as a systems programming problem </div>
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<h1><strong> TLDR Web Dev <span id="date">2025-09-12</span></strong></h1>
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<h1><strong>Articles & Tutorials</strong></h1>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fbun.com%2Fblog%2Fbehind-the-scenes-of-bun-install%3Futm_source=tldrwebdev/1/010001993d9b841d-2638df83-db8d-42b0-9551-491cab2d4300-000000/4y1F1B8iFyliTopxbTUs3JZUtuvihztA7jKv29CE4C4=422">
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<strong>Behind The Scenes of Bun Install (37 minute read)</strong>
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Bun is a JavaScript runtime that achieves faster package installation times compared to npm, pnpm, and yarn by treating it as a systems programming problem rather than a JavaScript one. This speed comes by minimizing system calls by using Zig, caching manifests in binary format, optimizing tarball extraction, using OS-native file copying mechanisms, and scaling across multiple CPU cores. Unlike Node.js-based package managers that suffer from JavaScript overhead and thread pool limitations, Bun directly invokes system calls, resulting in faster file processing.
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<strong>Hashed sorting is typically faster than hash tables (16 minute read)</strong>
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Hashed sorting can outperform hash tables for counting unique values in large arrays despite hash tables having better theoretical complexity. This is because hashed sorting uses memory bandwidth more efficiently, especially when data outgrows CPU caches. While hash tables are preferable when accesses outnumber unique keys, hashed radix sorts shine when accesses and unique keys are in the same order due to their smaller memory footprint.
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<h1><strong>Opinions & Advice</strong></h1>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fblog.codeminer42.com%2Fthings-i-wish-i-knew-before-switching-to-react-native%3Futm_source=tldrwebdev/1/010001993d9b841d-2638df83-db8d-42b0-9551-491cab2d4300-000000/hdWjg23CYydizdUp6QorR0Feq6wYGvchCeCSMr0mWtM=422">
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<strong>Things I wish I knew before switching to React Native (8 minute read)</strong>
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Core React concepts like hooks, functional components, and state management carry over when transitioning from React to React Native. However, developers must adapt to using native components instead of HTML elements, JavaScript objects for styling instead of CSS, and React Navigation instead of React Router. The good news is that API handling with libraries like Axios and TanStack Query remains largely the same, and responsive design principles using Flexbox still apply.
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<strong>Many Hard Leetcode Problems are Easy Constraint Problems (6 minute read)</strong>
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Many challenging Leetcode problems can be easily solved using constraint solvers, a more effective approach than writing custom algorithms. This article contains several examples that show how problems like the coin change, stock trading, and histogram area can be elegantly expressed and solved using MiniZinc.
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<strong>Too many tools: How to manage frontend tool overload (8 minute read)</strong>
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Modern frontend development has become overwhelmed with too many tool choices. The early period back in the early 2010s felt simpler due to constrained tool defaults, modest developer expectations, and stable web standards, whereas post-2015 saw an explosion of tools driven by rapid ECMAScript releases, evolving web standards, and the rise of single-page applications (SPAs) and TypeScript.
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<h1><strong>Launches & Tools</strong></h1>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.deepl.com%2Fen%2Fevents-webinars%2Fw%2Fbest-practices-scaling-websites-globally%3Futm_source=TLDR%26utm_medium=third_party_media%26utm_campaign=IMC_API%26utm_content=DeepL_Weglot_Webinar/1/010001993d9b841d-2638df83-db8d-42b0-9551-491cab2d4300-000000/Wssui-NmaIkr9JAqrE_ud5vD0ipBioG3E10RjFnbhgQ=422">
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<strong>Using the DeepL API to scale multilingual websites (Sponsor)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Launching or scaling a multilingual website? Learn how to do so effortlessly with the DeepL language API and Weglot. This <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.deepl.com%2Fen%2Fevents-webinars%2Fw%2Fbest-practices-scaling-websites-globally%3Futm_source=TLDR%26utm_medium=third_party_media%26utm_campaign=IMC_API%26utm_content=DeepL_Weglot_Webinar/2/010001993d9b841d-2638df83-db8d-42b0-9551-491cab2d4300-000000/J1d4W61_qhqMFf7wbGeUNSe-deMAkQoGEsA7wxDxuP8=422" rel="noopener noreferrer nofollow" target="_blank"><span>webinar</span></a> will cover best practices for creating customized multilingual websites, what you need from a language API, and how to stay secure and compliant. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.deepl.com%2Fen%2Fevents-webinars%2Fw%2Fbest-practices-scaling-websites-globally%3Futm_source=TLDR%26utm_medium=third_party_media%26utm_campaign=IMC_API%26utm_content=DeepL_Weglot_Webinar/3/010001993d9b841d-2638df83-db8d-42b0-9551-491cab2d4300-000000/Hk06Ymrw0oEcurTr8Wl2E3unjDNwmdrhR0CFRtVEUgM=422" rel="noopener noreferrer nofollow" target="_blank"><span>Join live on September 25</span></a>
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<strong>Reshaped (GitHub Repo)</strong>
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Reshaped is a library of beautiful React and Figma components for building products or design systems.
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<strong>React Native Enriched (GitHub Repo)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
React Native Enriched is a React Native library that provides a fully native and customizable rich text editor component for both Android and iOS. It has synchronous text styling, live styling detection, and HTML parsing, and supports features like mentions, links, and inline images (with some platform limitations).
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<strong>Jetzig Web Framework (Website)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Jetzig is an open-source web framework written in Zig. It has features like file-based routing, Zmpl templating for HTML, default JSON rendering for RESTful APIs, and a powerful database layer via JetQuery. Jetzig uses http.zig for performance and has user-friendly tooling, middleware support, and built-in session management.
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<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.shloked.com%2Fwriting%2Fclaude-memory%3Futm_source=tldrwebdev/1/010001993d9b841d-2638df83-db8d-42b0-9551-491cab2d4300-000000/6aUqK7MGLZOVPsEGcIow-yOlF1ySEPIhb1TqOE-GngI=422">
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<strong>Claude Memory: A Different Philosophy (5 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
The memory systems of Claude and ChatGPT are built differently. Claude's memory operates on a blank slate, activating only when explicitly invoked and retrieving information directly from raw conversation history through tools like "conversation_search" and "recent_chats". On the other hand, ChatGPT has an always-on, personalized memory system that builds detailed user profiles for instant recall.
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.honeycomb.io%2Fblog%2Fdisposable-code-is-here-to-stay%3Futm_source=tldrwebdev/1/010001993d9b841d-2638df83-db8d-42b0-9551-491cab2d4300-000000/CHYFvfkBFlyOC94ZxUowN_kPvnEOaOVTYZike5-m09A=422">
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<strong>Disposable Code Is Here to Stay, but Durable Code Is What Runs the World (10 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Disposable code is useful for short-term tasks, while durable code is necessary for critical systems. While disposable code (usually AI-generated) is cheap and useful for experimentation, durable code requires careful maintenance, testing, and observability due to its high-stakes nature.
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