TILens Daily Edition 2026-10-18 Filters: topic=languages, github=hidden Stats: 94 articles, 13 sources, 2 research papers Top topics: Python, JavaScript, AI ## News - How to Architect and Monetize Manifest V3 Chrome Extensions: Shadow-DOM CSS Isolation and Serverless License Key Seat Locking Source: devto-javascript Topic: JavaScript (+PostgreSQL) URL: https://dev.to/brian_a2eebd5059c1c2/how-to-architect-and-monetize-manifest-v3-chrome-extensions-shadow-dom-css-isolation-and-3abm - The Hidden Mechanics of B2B SaaS Seat Traps, Auto-Renewal Windows, and Client-Side Fetch Interception in Manifest V3 Source: devto-javascript Topic: JavaScript URL: https://dev.to/brian_a2eebd5059c1c2/the-hidden-mechanics-of-b2b-saas-seat-traps-auto-renewal-windows-and-client-side-fetch-2312 - How to Stop Claude Code, Cursor, and v0 From Generating Generic 'AI Slop' UIs: Deterministic Design System Token Specs Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/brian_a2eebd5059c1c2/how-to-stop-claude-code-cursor-and-v0-from-generating-generic-ai-slop-uis-deterministic-design-h78 - Your QR code should point at your URL, not a redirect with a kill switch Source: devto-javascript Topic: JavaScript URL: https://dev.to/tyrxargaar/your-qr-code-should-point-at-your-url-not-a-redirect-with-a-kill-switch-31i8 - We Built 3 Manifest V3 Chrome Extensions to Replace $290/Month in B2B Tech-Stack, UI Design Token, and AI-Search SEO Subscriptions Source: devto-javascript Topic: JavaScript URL: https://dev.to/brian_a2eebd5059c1c2/we-built-3-manifest-v3-chrome-extensions-to-replace-290month-in-b2b-tech-stack-ui-design-token-1l7o - XState v4 code on v5: no error, just NaN Source: devto-javascript Topic: JavaScript URL: https://dev.to/provenpin/xstate-v4-code-on-v5-no-error-just-nan-ci0 - Reformat a bank CSV for QuickBooks or Xero import - in the browser, nothing uploaded Source: devto-javascript Topic: JavaScript URL: https://dev.to/tyrxargaar/reformat-a-bank-csv-for-quickbooks-or-xero-import-in-the-browser-nothing-uploaded-59p7 - NestJS 12 Migration Guide: Upgrading from v11, Tested and Benchmarked Source: devto-javascript Topic: JavaScript URL: https://dev.to/fabwaseem/nestjs-12-migration-guide-upgrading-from-v11-tested-and-benchmarked-3nd9 - I Built a Word Counter That Runs 100% in Your Browser — Here's What I Learned Source: devto-javascript Topic: JavaScript URL: https://dev.to/wordlyo/i-built-a-word-counter-that-runs-100-in-your-browser-heres-what-i-learned-424a - CSV delimiter detection should be allowed to return ambiguity Source: devto-javascript Topic: JavaScript URL: https://dev.to/__be2942592/csv-delimiter-detection-should-be-allowed-to-return-ambiguity-7bb - Reject malformed UTF-8 before it reaches your CSV parser Source: devto-javascript Topic: JavaScript URL: https://dev.to/__be2942592/reject-malformed-utf-8-before-it-reaches-your-csv-parser-mbk - Safeguarding LLM Output in Spring AI Source: baeldung Topic: Java (+AI) URL: https://www.baeldung.com/spring-ai-safeguarding-llm-output - The Patch Reads the Wall Clock: A Time-Source Audit for Agent Patches Source: devto-javascript Topic: JavaScript URL: https://dev.to/datacpp_8185/the-patch-reads-the-wall-clock-a-time-source-audit-for-agent-patches-18db - I Built a Browser Fighting Game: Martin No Filter Fighters Source: devto-javascript Topic: JavaScript URL: https://dev.to/carmella_reed_09a3118dc86/i-built-a-browser-fighting-game-martin-no-filter-fighters-19ec - A Laravel service filter that keeps links usable without JavaScript Source: devto-javascript Topic: JavaScript URL: https://dev.to/mohamed_taha6608/a-laravel-service-filter-that-keeps-links-usable-without-javascript-cco - Hijack Radar: your lockfile said you were safe. Your dependency graph knew better. Source: devto-javascript Topic: JavaScript URL: https://dev.to/reet_singh_ee97da2986538e/hijack-radar-your-lockfile-said-you-were-safe-your-dependency-graph-knew-better-4741 - VedaX — Turning Vedic Mathematics Practice into a Smarter Learning Experience Source: devto-javascript Topic: JavaScript (+MongoDB, React) URL: https://dev.to/aryaaa21/vedax-turning-vedic-mathematics-practice-into-a-smarter-learning-experience-3jfa - Sentinel-IR on Android: Install It in Termux and Verify the Output, Step by Step Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/jackymencz/sentinel-ir-on-android-install-it-in-termux-and-verify-the-output-step-by-step-371g - I shipped a redaction library, then found it leaking a private key Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/roshcompanylabs/i-shipped-a-redaction-library-then-found-it-leaking-a-private-key-1knm - I Built a New Tab Extension for DEV Source: devto-javascript Topic: JavaScript URL: https://dev.to/sizzlebop/i-built-a-new-tab-extension-for-dev-4kmm - Asynchronous Tasks With Django and Celery Source: real-python Topic: Python (+Django) URL: https://realpython.com/asynchronous-tasks-with-django-and-celery/ - How to Round Numbers in Python Source: real-python Topic: Python URL: https://realpython.com/python-rounding/ - Python's Mutable vs Immutable Types: What's the Difference? Source: real-python Topic: Python URL: https://realpython.com/python-mutable-vs-immutable-types/ - Digging Deeper Into Django Migrations Source: real-python Topic: Python (+Django) URL: https://realpython.com/digging-deeper-into-migrations/ - Django Migrations: A Primer Source: real-python Topic: Python (+Django) URL: https://realpython.com/django-migrations-a-primer/ - Quiz: Writing Comments in Python (Guide) Source: real-python Topic: Python URL: https://realpython.com/quizzes/python-comments-guide/ - openTPU Source: pythonhub-digest Topic: Python URL: https://github.com/FeSens/openTPU - Making np.searchsorted up to 25× Faster in NumPy 2.5 Source: pythonhub-digest Topic: Python URL: https://blog.scientific-python.org/numpy/searchsorted/ - Making a mathematical model for better Indic keyboards Source: pythonhub-digest Topic: Python URL: https://triangulatedexistence.mataroa.blog/blog/making-a-mathematical-model-for-better-indic-keyboards/ - AI Development on Windows: from PyTorch and llama.cpp to Windows ML Source: pythonhub-digest Topic: Python (+AI) URL: https://devblogs.microsoft.com/foundry-on-windows/build-on-winml-oct-7-26/ - TurboPython Source: pythonhub-digest Topic: Python URL: https://tpy-lang.org/ - The things you own end up owning you Source: pythonhub-digest Topic: Python URL: https://labs.quansight.org/blog/limited_api_numpy - Python 3.15.0 Source: pythonhub-digest Topic: Python URL: https://www.python.org/downloads/release/python-3150/ - Polars 2.0 Source: pythonhub-digest Topic: Python URL: https://pola.rs/posts/release-polars-2/ - Build & Train a GLM-5.3-Flash Model From Scratch with Python Source: pythonhub-digest Topic: Python URL: https://www.youtube.com/watch?v=-gfgQfw2g_E - How to Take a Website Screenshot with Python Source: pythonhub-digest Topic: Python URL: https://www.site-shot.com/blog/take-website-screenshot-with-python/ - Build Your Own Agentic Harness in Python - Full Tutorial Source: pythonhub-digest Topic: Python (+AI) URL: https://www.youtube.com/watch?v=H5o1P8RMiMw - What are some features in Python that you discovered many years later? Source: pythonhub-digest Topic: Python URL: https://www.reddit.com/r/Python/comments/1x3vy20/what_are_some_features_in_python_that_you/ - My Python magic is gone Source: pythonhub-digest Topic: Python URL: https://www.reddit.com/r/Python/comments/1wwv97o/my_python_magic_is_gone/ - rGPU Source: pythonhub-digest Topic: Python URL: https://github.com/ymcrcat/rgpu - First Steps into Memory Management in Python Source: pythonhub-digest Topic: Python URL: https://tech.daniellbastos.com.br/posts/python-memory-management/ - pytorch / pytorch Source: pythonhub-digest Topic: Python URL: https://github.com/pytorch/pytorch - WagtailRocket Source: pythonhub-digest Topic: Python URL: https://github.com/AlexBrence/WagtailRocket - clausal-prolog Source: pythonhub-digest Topic: Python URL: https://github.com/neurosymbolica/clausal-prolog - Pixora Source: pythonhub-digest Topic: Python URL: https://github.com/sepandhaghighi/pixora - RuleFlow Source: pythonhub-digest Topic: Python URL: https://github.com/RuleFlow-OSS/RuleFlow - 8 Python 3.15 Features You Need to Know Source: pythonhub-digest Topic: Python URL: https://www.youtube.com/watch?v=bgeqL4Btou0 - ai-agents-zero-to-hero Source: pythonhub-digest Topic: Python URL: https://github.com/tradertanmay/ai-agents-zero-to-hero - Architecture Deep Dive: Startup Time & Import Optimization Source: pythonhub-digest Topic: Python URL: https://enjii.pages.dev/blog/Optimizations/vex_startup_time_optimization/ - Rust for CPython (Python Language Summit 2026) Source: pythonhub-digest Topic: Python URL: https://blog.python.org/2026/09/language-summit-2026-rust-for-cpython/ - Orchestrating Disposable Browser Source: pythonhub-digest Topic: Python URL: https://blog.glazer.ee/posts/building-glazer-disposable-browser/ - Jev for Python engineers Source: pythonhub-digest Topic: Python URL: https://vercel.com/blog/jev-for-python-engineers - Pyronaut Source: pythonhub-digest Topic: Python URL: https://github.com/micronaut-projects/pyronaut - Can Jev save my inbox from the Democrats? Source: pythonhub-digest Topic: Python (+AI) URL: https://huggingface.co/blog/stephen-solka/use-jev-to-delete-fundraising-emails - How we built an async-aware Python profiler Source: pythonhub-digest Topic: Python URL: https://www.datadoghq.com/blog/engineering/async-python-profiler/ - apsw: Another Python SQLite Wrapper Source: pythonhub-digest Topic: Python URL: https://github.com/rogerbinns/apsw - ldraw-nova Source: pythonhub-digest Topic: Python URL: https://github.com/anteloc/ldraw-nova - Resize Observer and Mutation Observer Source: devto-javascript Topic: JavaScript URL: https://dev.to/godofgeeks/resize-observer-and-mutation-observer-1j4k - Halloween effects on Shopify, WordPress, Wix and Webflow without touching a theme Source: devto-javascript Topic: JavaScript URL: https://dev.to/iurii_rogulia/halloween-effects-on-shopify-wordpress-wix-and-webflow-without-touching-a-theme-2co7 - How to play Morse code in the browser with the Web Audio API Source: devto-javascript Topic: JavaScript URL: https://dev.to/simplemorse/how-to-play-morse-code-in-the-browser-with-the-web-audio-api-1m6k - How I built morphing dot animations with plain canvas (no libraries, 5 KB) Source: devto-javascript Topic: JavaScript URL: https://dev.to/shazmoghaddam/how-i-built-morphing-dot-animations-with-plain-canvas-no-libraries-5-kb-127h - Why Your Business Needs a Professional Website Source: devto-javascript Topic: JavaScript URL: https://dev.to/saddie3398/why-your-business-needs-a-professional-website-103o - Your Website Feels Slow? Start With These 4 Performance Fixes Source: devto-javascript Topic: JavaScript URL: https://dev.to/buildforsearch/your-website-feels-slow-start-with-these-4-performance-fixes-3h0p - Keep localStorage, add per-user sync with jstash Source: devto-javascript Topic: JavaScript (+PostgreSQL) URL: https://dev.to/jstashapp/keep-localstorage-add-per-user-sync-with-jstash-1coi - Syncing a browser extension's settings without a server: three reviews, three ways to lose data Source: devto-javascript Topic: JavaScript URL: https://dev.to/protemir/syncing-a-browser-extensions-settings-without-a-server-three-reviews-three-ways-to-lose-data-16a4 - We localise prices for 58 countries from a header, and both our PDF exporters are hard-coded to A4 Source: devto-javascript Topic: JavaScript URL: https://dev.to/daniel_pertu/we-localise-prices-for-58-countries-from-a-header-and-both-our-pdf-exporters-are-hard-coded-to-a4-854 - My First Post Source: devto-javascript Topic: JavaScript (+Django, FastAPI, MongoDB, PostgreSQL, Python, React) URL: https://dev.to/shamil_tp/my-first-post-1bc1 - Building a chart editor with no backend: storing charts in the browser and exporting a PNG Source: devto-javascript Topic: JavaScript (+React) URL: https://dev.to/guluhehe/building-a-chart-editor-with-no-backend-storing-charts-in-the-browser-and-exporting-a-png-30k0 - Our relative timestamps round instead of floor, so 91 seconds ago reads as 2m ago Source: devto-javascript Topic: JavaScript URL: https://dev.to/daniel_pertu/our-relative-timestamps-round-instead-of-floor-so-91-seconds-ago-reads-as-2m-ago-20ha - Java Weekly, Issue 668 Source: baeldung Topic: Java URL: https://www.baeldung.com/java-weekly-668 - How I built an accurate bra-size calculator in vanilla JavaScript (no backend) Source: devto-javascript Topic: JavaScript URL: https://dev.to/findmybrasize/how-i-built-an-accurate-bra-size-calculator-in-vanilla-javascript-no-backend-2lk - A 404 page is a product decision: why my starter kit ships a NotFound route Source: devto-javascript Topic: JavaScript URL: https://dev.to/kamrankhandev/a-404-page-is-a-product-decision-why-my-starter-kit-ships-a-notfound-route-35be - 17 Best Place Buy Verified Kucoin Accounts For Crypto … Source: devto-javascript Topic: JavaScript URL: https://dev.to/usasvcit48/17-best-place-buy-verified-kucoin-accounts-for-crypto--3aap - Server-Rendered Price Tables: Lessons from Two Gold-Pricing Dashboards in Medan Source: devto-javascript Topic: JavaScript URL: https://dev.to/ahmed_rauji_6cd509f9d1cbc/server-rendered-price-tables-lessons-from-two-gold-pricing-dashboards-in-medan-2dne - Cloudflare Bought Deno: What It Means for Your Deployments Source: devto-javascript Topic: JavaScript URL: https://dev.to/zforzain2000/cloudflare-bought-deno-what-it-means-for-your-deployments-5d1h - Editing video in the browser with no upload: what MediaRecorder and canvas can (and can't) do Source: devto-javascript Topic: JavaScript URL: https://dev.to/muhammad_shoaib_24085ac41/editing-video-in-the-browser-with-no-upload-what-mediarecorder-and-canvas-can-and-cant-do-ec4 - Don't feed the whole file to the AI: meet Sentinel-IR Source: devto-javascript Topic: JavaScript (+AI) URL: https://dev.to/jackymencz/dont-feed-the-whole-file-to-the-ai-meet-sentinel-ir-8cp - Create a Voice-Powered News Reader App Source: devto-javascript Topic: JavaScript (+FastAPI, Python) URL: https://dev.to/voice_developer/create-a-voice-powered-news-reader-app-3n3f - A Kotlin Data Class Works as a HashMap Key. In a TypeScript Map It Never Matches Source: devto-javascript Topic: JavaScript URL: https://dev.to/gabrielanhaia/a-kotlin-data-class-works-as-a-hashmap-key-in-a-typescript-map-it-never-matches-cpc - React Compiler in Next.js 16.4: Babel vs Rust, Benchmarked Source: devto-javascript Topic: JavaScript (+React) URL: https://dev.to/fabwaseem/react-compiler-in-nextjs-164-babel-vs-rust-benchmarked-1pdh - Building a Production WhatsApp Cloud API Webhook in Node.js & Express Source: devto-javascript Topic: JavaScript URL: https://dev.to/aisoule/building-a-production-whatsapp-cloud-api-webhook-in-nodejs-express-3jbh - Monitoring Hacker News for your keywords? Most "hits" don't mention them Source: devto-javascript Topic: JavaScript (+AI, PostgreSQL) URL: https://dev.to/projectace01/monitoring-hacker-news-for-your-keywords-most-hits-dont-mention-them-5e74 - Why tellus message handlers are synchronous Source: this-week-in-rust Topic: Rust URL: https://heikoseeberger.de/2026-10-18-why-sync-handlers/ ## Research - Inferring the Host: A Bayesian Look at the Monty Hall Problem Source: towards-data-science Topic: AI Research (+AI, Python) URL: https://towardsdatascience.com/inferring-the-host-a-bayesian-look-at-the-monty-hall-problem/ - Both Charts Are Right. So Why Do They Disagree? Source: towards-data-science Topic: AI Research (+AI, Python) URL: https://towardsdatascience.com/both-charts-are-right-so-why-do-they-disagree/ ## Community - llm-tools-datasette 0.1.1 Source: simon-willison Topic: Python (+AI, Django) URL: https://simonwillison.net/2026/Oct/18/llm-tools-datasette/ - llm-echo 0.5 Source: simon-willison Topic: Python (+AI, Django) URL: https://simonwillison.net/2026/Oct/18/llm-echo/ - Should CommandExt::exec be safe? Source: rust-internals Topic: Rust URL: https://internals.rust-lang.org/t/should-commandext-exec-be-safe/24680 - Agents Have No Runtime Insight-airhacks.fm podcast Source: adam-bien Topic: Java URL: https://adambien.blog/roller/abien/entry/agents_have_no_runtime_insight_airhacks_fm_podcast - Maps without a tile server Source: nicolas-frankel Topic: Java URL: https://blog.frankel.ch/maps-without-tile-server/ - Love Is Patient Source: kenneth-reitz Topic: Python URL: https://kennethreitz.org/essays/2026-10-18-love_is_patient - .plan-26-42: Tails of the unexpected Source: ocaml-planet Topic: OCaml URL: https://anil.recoil.org/notes/2026w42 - Inline rendering with document.currentScript Source: lobsters Topic: General (+JavaScript) URL: https://leanrada.com/notes/inline-rendering-currentscript/ - Superoptimizing an FPU emulator Source: lobsters Topic: General (+Rust) URL: https://purplesyringa.moe/blog/superoptimizing-an-fpu-emulator/