TILens Daily Edition 2026-10-02 Filters: topic=javascript, github=hidden Stats: 54 articles, 5 sources, 3 research papers Top topics: JavaScript, React, AI ## News - Why Money Calculations Should Not Use Floating Point Source: devto-javascript Topic: JavaScript URL: https://dev.to/vat-engine/why-money-calculations-should-not-use-floating-point-3fha - How to Integrate Voice AI with Shopify Stores Source: devto-javascript Topic: JavaScript URL: https://dev.to/voice_developer/how-to-integrate-voice-ai-with-shopify-stores-31on - Five Programmatic Safety Checks for XRPL Tokens Source: devto-javascript Topic: JavaScript URL: https://dev.to/nyxagi/five-programmatic-safety-checks-for-xrpl-tokens-1c5a - Why Your LLM Architecture is Flawed: Mastering Dot-and-Index Paths and Context Isolation in Jev Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/programmingcentral/why-your-llm-architecture-is-flawed-mastering-dot-and-index-paths-and-context-isolation-in-jev-4ie8 - Uploading Attachments to Jira Service Management Cloud Assets Without Public API Documentation Source: devto-javascript Topic: JavaScript URL: https://dev.to/mihai_leanzero/uploading-attachments-to-jira-service-management-cloud-assets-without-public-api-documentation-ll6 - The Matrix: Python List Comprehensions, Generators, and When to Use Each Source: devto-javascript Topic: JavaScript URL: https://dev.to/timevolt/the-matrix-python-list-comprehensions-generators-and-when-to-use-each-1nle - Array Methods You Must Know Source: devto-javascript Topic: JavaScript URL: https://dev.to/soubhagya_dash/array-methods-you-must-know-21o3 - Built a meta tags generator with live previews across 7 platforms (not just raw HTML output) Source: devto-javascript Topic: JavaScript (+React) URL: https://dev.to/vipul_singh_755a9075cfbdd/built-a-meta-tags-generator-with-live-previews-across-7-platforms-not-just-raw-html-output-14k3 - Good read Source: devto-javascript Topic: JavaScript URL: https://dev.to/prodlaunchpad/good-read-25o4 - The three startup gates in Spirestorm's browser adapter Source: devto-javascript Topic: JavaScript URL: https://dev.to/nextgenrungames/the-three-startup-gates-in-spirestorms-browser-adapter-2031 - I compared 1,489 eSIM plans in 199 countries. Price per GB varies 105x Source: devto-javascript Topic: JavaScript URL: https://dev.to/bitcall_team/i-compared-1489-esim-plans-in-199-countries-price-per-gb-varies-105x-1m3 - I Built an AI 3D WebGL Portfolio Generator That Gives You Full Source Code Export Source: devto-javascript Topic: JavaScript URL: https://dev.to/abdul_aziz_pro/i-built-an-ai-3d-webgl-portfolio-generator-that-gives-you-full-source-code-export-23no - Fit vs Fill in image-to-PDF tools: the geometry behind cropped pages Source: devto-javascript Topic: JavaScript URL: https://dev.to/madhushan_sanjeewa_e833bd/fit-vs-fill-in-image-to-pdf-tools-the-geometry-behind-cropped-pages-1kd1 - How to Build an AI Support System That Automatically Routes Bugs to GitHub with Next.js and Jev Source: freecodecamp Topic: General (+JavaScript, React) URL: https://www.freecodecamp.org/news/build-an-ai-support-system-that-automatically-routes-bugs-to-github/ - Using JavaScript to Build Algorithmic Trading Indicators — A Look at Algocdk Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/danikeya/using-javascript-to-build-algorithmic-trading-indicators-a-look-at-algocdk-1a7a - 10 Cool CodePen Demos (September 2026) Source: devto-javascript Topic: JavaScript URL: https://dev.to/alvaromontoro/10-cool-codepen-demos-september-2026-3fnl - Why nuke simulators show different numbers (and how to compare them) Source: devto-javascript Topic: JavaScript URL: https://dev.to/nongyi531415/why-nuke-simulators-show-different-numbers-and-how-to-compare-them-5a7h - Comment j'ai construit une PWA de caisse enregistreuse 100% hors-ligne pour les commerçants du Cameroun 🇨🇲 Source: devto-javascript Topic: JavaScript URL: https://dev.to/caisse_boutique/comment-jai-construit-une-pwa-de-caisse-enregistreuse-100-hors-ligne-pour-les-commercants-du-57i6 - Why Memory Leaks Happen in Garbage-Collected Languages: A Practical JVM & Node.js Guide Source: devto-javascript Topic: JavaScript URL: https://dev.to/devanshu_patil/why-memory-leaks-happen-in-garbage-collected-languages-a-practical-jvm-nodejs-guide-1hn0 - Functional Programming in JavaScript: Principles, Patterns, and Practical Examples Source: devto-javascript Topic: JavaScript URL: https://dev.to/ansh_sheladiya/functional-programming-in-javascript-principles-patterns-and-practical-examples-5eog - How to Track Product Launch Clicks with JavaScript (And Where to List Your Side Projects) Source: devto-javascript Topic: JavaScript (+Information Retrieval) URL: https://dev.to/mustjabk761/how-to-track-product-launch-clicks-with-javascript-and-where-to-list-your-side-projects-358d - I built a 100% client-side JSON to CSV converter because I didn't trust web converters with sensitive API logs Source: devto-javascript Topic: JavaScript (+React) URL: https://dev.to/top105/i-built-a-100-client-side-json-to-csv-converter-because-i-didnt-trust-web-converters-with-20l3 - JSON Number Precision — Why 19-Digit IDs Come Back Wrong Source: devto-javascript Topic: JavaScript URL: https://dev.to/sharpenlee/json-number-precision-why-19-digit-ids-come-back-wrong-2ahb - In-Browser LLM Inference with WebGPU: A 2026 Field Guide Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/saptadev27/in-browser-llm-inference-with-webgpu-a-2026-field-guide-457d - How Unicode Bubble Text Generators Work (and Where They Break) Source: devto-javascript Topic: JavaScript URL: https://dev.to/luhw/how-unicode-bubble-text-generators-work-and-where-they-break-3eb7 - How to Build Your Own AI App Builder Like Lovable with Next.js, AWS and Sandboxes Source: freecodecamp Topic: General (+JavaScript, React) URL: https://www.freecodecamp.org/news/build-your-own-ai-app-builder-with-next-js-aws-and-sandboxes/ - What a progressive JPEG shows with only 10% of its bytes Source: devto-javascript Topic: JavaScript URL: https://dev.to/token111/what-a-progressive-jpeg-shows-with-only-10-of-its-bytes-4220 - Browsers only export baseline JPEG, so progressive is a server job Source: devto-javascript Topic: JavaScript URL: https://dev.to/shu_jing_915fa287b22539ad/browsers-only-export-baseline-jpeg-so-progressive-is-a-server-job-2icg - Progressive JPEG saved me 4–6% and cost 2.5x the decode time Source: devto-javascript Topic: JavaScript URL: https://dev.to/yue_shu_c621a4a637f22396f/progressive-jpeg-saved-me-4-6-and-cost-25x-the-decode-time-61a - Decoding a progressive JPEG took 14 MiB more memory in my test Source: devto-javascript Topic: JavaScript URL: https://dev.to/iterandum/decoding-a-progressive-jpeg-took-14-mib-more-memory-in-my-test-2bbi - Progressive JPEG saved 4–6% of bytes and cost 2.5x decode time Source: devto-javascript Topic: JavaScript URL: https://dev.to/pm_cheng_3f36acecfb9c59f5/progressive-jpeg-saved-4-6-of-bytes-and-cost-25x-decode-time-g8c - Show Dev: Agricalc — free science-based agriculture calculators as an offline-first PWA Source: devto-javascript Topic: JavaScript URL: https://dev.to/william_lao_0c017fe1ee6cb/show-dev-agricalc-free-science-based-agriculture-calculators-as-an-offline-first-pwa-ebh - Building a Browser-Based T-Shirt Designer with HTML5 Canvas Source: devto-javascript Topic: JavaScript URL: https://dev.to/fatih_boyraz_cd1801a0a022/building-a-browser-based-t-shirt-designer-with-html5-canvas-2ghe - Hi I'm Yash Source: devto-javascript Topic: JavaScript URL: https://dev.to/yashpawar/hi-im-yash-1b7g - Build a Focus Timer with Vanilla JavaScript — The Pomodoro Technique Source: devto-javascript Topic: JavaScript URL: https://dev.to/mou1z/build-a-focus-timer-with-vanilla-javascript-the-pomodoro-technique-2k7m - Export annuity schedules to CSV without losing cents Source: devto-javascript Topic: JavaScript URL: https://dev.to/jiankn/export-annuity-schedules-to-csv-without-losing-cents-2e92 - Capturing gclid and UTMs First-Party: Attribution That Survives to the CRM Source: devto-javascript Topic: JavaScript URL: https://dev.to/jareer_nauman_ba24aa80b87/capturing-gclid-and-utms-first-party-attribution-that-survives-to-the-crm-5873 - Puppeteer PDF headers and footers with page numbers: 7 traps Source: devto-javascript Topic: JavaScript URL: https://dev.to/stackedboost/puppeteer-pdf-headers-and-footers-with-page-numbers-7-traps-2k4h - How to Add shadcn Charts to a Next.js App Without Writing Recharts Boilerplate Source: freecodecamp Topic: General (+JavaScript, React) URL: https://www.freecodecamp.org/news/how-to-add-shadcn-ui-charts-to-nextjs/ - Understanding Prototypes in JavaScript: A Practical Guide for Developers Source: devto-javascript Topic: JavaScript URL: https://dev.to/ansh_sheladiya/understanding-prototypes-in-javascript-a-practical-guide-for-developers-42cm - Consuming Dify Workflow SSE Streams in React 19 with Vercel AI SDK Source: devto-javascript Topic: JavaScript (+AI, React) URL: https://dev.to/ken_2234/consuming-dify-workflow-sse-streams-in-react-19-with-vercel-ai-sdk-14p1 - The Case of the Missing `rem`: A Sherlock Holmes Guide to CSS Units in JavaScript Source: devto-javascript Topic: JavaScript URL: https://dev.to/kickbuttowski80/the-case-of-the-missing-rem-a-sherlock-holmes-guide-to-css-units-in-javascript-3ij4 - The night my post pages scored 39 Source: devto-javascript Topic: JavaScript URL: https://dev.to/yappatyih/the-night-my-post-pages-scored-39-2b26 - Finding the second copy of React that npm ls cannot see Source: devto-javascript Topic: JavaScript (+React) URL: https://dev.to/arthur031221/finding-the-second-copy-of-react-that-npm-ls-cannot-see-53h4 - Why AI Photo Enhancement Fails at 4 Scaling (And How to Fix It) Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/gaven/why-ai-photo-enhancement-fails-at-4x-scaling-and-how-to-fix-it-2jck - Processing video in the browser without ffmpeg.wasm: WebCodecs + MediaBunny, 95s 9s Source: devto-javascript Topic: JavaScript URL: https://dev.to/sharksevenro/processing-video-in-the-browser-without-ffmpegwasm-webcodecs-mediabunny-95s-9s-34p - How to Build a Voice-Over Tool for YouTube Videos Source: devto-javascript Topic: JavaScript URL: https://dev.to/voice_developer/how-to-build-a-voice-over-tool-for-youtube-videos-56le - MCP validate_vast Passes the XML the Agent Pasted. The Live Tag URL Still Has Wrappers. Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/aleksuix/mcp-validatevast-passes-the-xml-the-agent-pasted-the-live-tag-url-still-has-wrappers-580b - Your news app works on localhost and breaks on deploy. Here's what each news API's free tier actually allows Source: devto-javascript Topic: JavaScript URL: https://dev.to/noozzzzz/your-news-app-works-on-localhost-and-breaks-on-deploy-heres-what-each-news-apis-free-tier-308l ## Research - TutlAit v1: a crowdsourced Moroccan Tamazight speech dataset with Arabic transcriptions and regional accent labels Source: arxiv-cs-lg Topic: AI Research (+AI, Django, JavaScript, PostgreSQL, Python, React) URL: https://arxiv.org/abs/2609.38219 - When Reasoning Goes Astray: Attention Dynamics of Uncontrolled Reasoning Source: arxiv-cs-cl Topic: AI Research (+AI, JavaScript, React) URL: https://arxiv.org/abs/2609.38817 - Safety Under Scaffolding: How Evaluation Conditions Shape Measured Safety Source: arxiv-cs-cl Topic: AI Research (+AI, JavaScript, React) URL: https://arxiv.org/abs/2603.10044 ## Community - Readable Regular Expressions for JavaScript/TypeScript, Inspired by Emacs' rx Source: lobsters Topic: General (+JavaScript) URL: https://rahuljuliato.com/posts/emacs-rx-in-typescript - @storyteller-platform/epub v1.0.0 release Source: lobsters Topic: General (+JavaScript) URL: https://storyteller-platform.dev/blog/20261001_epub_v1