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<div style="display: none; max-height: 0px; overflow: hidden;">Linus Torvalds, the creator of Git and Linux, says that overly complex or abstracted code makes code maintainability and understanding worse </div>
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<h1><strong> TLDR Web Dev <span id="date">2025-09-15</span></strong></h1>
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<strong>The new vibe: create production-ready apps from a prompt or a Figma with Rocket (Sponsor)</strong>
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Need a working prototype? Want to mess around with that mobile app idea you've not found time for? Need a starting point for the next app redesign?<p></p><p>👉 <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.rocket.new%2F%3Futm_source=newsletter%26utm_medium=TLDRwebdev%26utm_campaign=15thsept/3/010001994d0f1ae3-561761b4-d750-4ca5-bb85-f04a7f361ce8-000000/OntqNxXAnWkTB815tw9mw7MljcuaOIxZDF9LTaQABxg=422" rel="noopener noreferrer nofollow" target="_blank"><span>Rocket</span></a> is the vibe solutioning tool that handles the full stack UI, backend logic, AI workflows, and clean code. Basically: the whole shebang.</p>
<p>Unlike other platforms, Rocket produces a well-researched app that's <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.rocket.new%2F%3Futm_source=newsletter%26utm_medium=TLDRwebdev%26utm_campaign=15thsept/4/010001994d0f1ae3-561761b4-d750-4ca5-bb85-f04a7f361ce8-000000/njEQq7DiNob9ZcQB-klAde1476l4Hf-25hXLoWHKzTE=422" rel="noopener noreferrer nofollow" target="_blank"><span>deployment-ready</span></a>. Iterate on the code (with more prompts or in the code editor), push to GitHub, or deploy it right then and there.</p>
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<strong>UTF-8 is a Brilliant Design (8 minute read)</strong>
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UTF-8 is a great character encoding design that represents millions of characters from different languages while still having backward compatibility with ASCII. It uses a variable-width encoding (1-4 bytes) where the first byte indicates the number of bytes required for a character, making sure ASCII characters remain single-byte. This design makes every ASCII file a valid UTF-8 file and vice versa when only ASCII characters are present.
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<strong>Using the Node 18+ native test runner with TypeScript and React (2 minute read)</strong>
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Node.js 18 introduced a native test runner that can replace Jest, Mocha, or Vitest for basic testing scenarios, including TypeScript and React component testing. The setup requires minimal configuration with experimental flags for TypeScript support and module mocking, plus dependencies like `tsx`, `global-jsdom`, and `@testing-library/react`. While it has advantages like no config files and a smaller dependency footprint, it has limitations like having a smaller ecosystem compared to established testing frameworks.
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<strong>Developing an alt text button for images on my website (6 minute read)</strong>
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This dev created an HTML and CSS-only "Alt" button for images on their website inspired by Mastodon's similar feature that allows users to view alt text descriptions by clicking a button. The solution uses a checkbox trick with CSS styling to show/hide alt text content when the button is clicked, positioning the actual checkbox off-screen while keeping the label visible as the clickable button.
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<strong>How to Write "Garbage Code" (by Linus Torvalds) (7 minute read)</strong>
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Linus Torvalds, the creator of Git and Linux, says that overly complex or abstracted code, like unnecessary helper functions, makes code maintainability and understanding worse. It increases cognitive burden and, in some cases, it makes sense to repeat code to reduce human and LLM context switching. Code should be optimized for readability and ease of iteration.
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<strong>AI Coding (4 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
AI coding is essentially a fancy compiler, not a magical replacement for programmers. The excitement around AI coding is from dissatisfaction with current programming tools and languages rather than AI's true coding capabilities. While AI can be a useful tool for search, optimization, and pattern recognition, it doesn't remove the need for human coding.
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<strong>My First Impressions of Gleam (21 minute read)</strong>
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Gleam is an Elixir-like language with static typing, which this dev is learning by building a parser for his old AIM chat logs. He documents his initial experiences, highlighting both the enjoyable aspects, like pipelines and pattern matching, and the challenges of adjusting to a functional paradigm with no loops or traditional control flow. He also talks about the language's limitations, including a small core and standard library, as well as awkward error handling.
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<strong>How B2B SaaS integrations go wrong - and how to get them right (Sponsor)</strong>
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This <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fprismatic.io%2Fdevelopers-guide%2F%3Futm_medium=ContentSyndication%26utm_source=eblast%26utm_campaign=%26utm_content=TLDR-developer-guide%26utm_term=/2/010001994d0f1ae3-561761b4-d750-4ca5-bb85-f04a7f361ce8-000000/RCsioDKOjmItS5F1lOHmWXfjM0uumvHknvAUgX_OBmc=422" rel="noopener noreferrer nofollow" target="_blank"><span>guide by Prismatic</span></a> looks at areas where devs who build B2B SaaS integrations face the most significant challenges – including roadmap delays, overwhelmed teams, and poor customer UX. It offers an embedded iPaaS approach as an alternative to traditional in-house development. <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fprismatic.io%2Fdevelopers-guide%2F%3Futm_medium=ContentSyndication%26utm_source=eblast%26utm_campaign=%26utm_content=TLDR-developer-guide%26utm_term=/3/010001994d0f1ae3-561761b4-d750-4ca5-bb85-f04a7f361ce8-000000/IvKflr9ZN2JZuR9shvrp9xRzAYmvhwwZWFkbOC7-waA=422" rel="noopener noreferrer nofollow" target="_blank"><span>Read the guide</span></a>
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<strong>LyteNyte (GitHub Repo)</strong>
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LyteNyte Grid is a high-performance React data grid designed for handling large and complex datasets efficiently. It is built to solve frustrations from over-engineered data grid libraries, focusing on customization, server data loading, performance, styling, and bundle size. The grid uses virtualization for performance, requires a sized container, and reads data from a row data source, allowing developers to style it or use a built-in theme, while also supporting features like sortable headers, custom cell renderers, and master-detail setups.
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<strong>mdream (GitHub Repo)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
mdream is a tool for converting websites into clean Markdown and llms.txt files optimized for both human readability and AI discoverability. It has a custom HTML to Markdown converter that reduces token usage and generates GitHub Flavored Markdown.
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<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
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<strong>AI Will Not Make You Rich (27 minute read)</strong>
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Generative AI is unlikely to create widespread wealth for investors and entrepreneurs in the way that previous technological waves like the microprocessor did. Instead, AI's benefits will be captured primarily by consumers and large companies that use AI to improve their existing strategies, much like containerization benefited retailers like IKEA and Walmart.
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<strong>Why our website looks like an operating system (5 minute read)</strong>
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The PostHog website was redesigned to resemble an operating system to solve the problem of overwhelming tabs and improve content consumption. The new design allows for multitasking with features like window snapping and keyboard shortcuts, mimicking a desktop environment within the browser. This approach includes elements like a file explorer, PowerPoint-style product pages, and even a screensaver.
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<strong>What is developer marketing? (7 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Developer marketing is about understanding and communicating with developers in a human way. It starts with a solid product that is hyper-opinionated about what it is and who it's for, and understanding the user's perspective. Effective developer relations folks translate technical jargon into relatable language, focusing on outcomes and emotions.
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<h1><strong>Quick Links</strong></h1>
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Flwn.net%2FArticles%2F1034966%2F%3Futm_source=tldrwebdev/1/010001994d0f1ae3-561761b4-d750-4ca5-bb85-f04a7f361ce8-000000/7BfRzFGpPBc0D18Oo-FrdvpdNKb3hyDW3lU8aw_fGj8=422">
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<strong>The challenge of maintaining curl (5 minute read)</strong>
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The maintainer of the widely used curl project is struggling with the increasing burden of maintaining the project due to a lack of contributions from companies that rely on it, demands for support and compliance information, and challenges like dealing with AI-generated problem reports and denial-of-service attacks.
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<strong>Legal Win (1 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Matt Mullenweg announced a large legal victory for Automattic, creator of WordPress, as major antitrust and extortion claims by WP Engine and Silver Lake were dismissed.
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<a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fthenewstack.io%2Fagentic-ai-is-key-to-preventing-costly-ai-hallucinations%3Futm_source=tldrwebdev/1/010001994d0f1ae3-561761b4-d750-4ca5-bb85-f04a7f361ce8-000000/HhIVOdE3Bv2GBKRDX46HxXJH-Faevb8b8n2rNJA6W6o=422">
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<strong>Agentic AI Is Key To Preventing Costly AI Hallucinations (7 minute read)</strong>
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Agentic AI, using techniques like validation, RAG, and improved data strategies, is necessary for mitigating costly and potentially damaging AI hallucinations in enterprise apps.
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<strong>Announcing OpenAI Grove (4 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
OpenAI Grove is a five-week program in San Francisco for technical individuals early in their company-building journey in AI that offers access to a talent network, OpenAI researchers, resources, and early access to new tools.
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<span>Priyam Mohanty</span>, <a href="https://tracking.tldrnewsletter.com/CL0/https:%2F%2Fwww.linkedin.com%2Fin%2Fxu-jenny%2F/1/010001994d0f1ae3-561761b4-d750-4ca5-bb85-f04a7f361ce8-000000/5tCWgnDVbY9lOILOhn4vAUO5pJ2yBhbG0eXxEUj_arM=422"><span>Jenny Xu</span></a> & <span>Ceora Ford</span>
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