Programming Languages

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dev.to > jsmanifest > react-starttransition-without-usetransition-the-standalone-api-teams-keep-overlooking-in-1lgp

React `startTransition` Without `useTransition`: The Standalone API Teams Keep Overlooking in Concurrent Mode

20+ min ago   (174+ words) React startTransition Without useTransition: The Standalone API Teams Keep Overlooking in... Tagged with javascript, react, webdev, node....

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dev.to > maycondev07 > my-journey-into-tech-from-traffic-manager-to-future-developer-2g3

My journey into tech: from traffic manager to future developer

42+ min ago   (22+ words) Hey, dev.to! 👋 I'm Maycon, a Systems Analysis and Development student at UNICID, currently making a... Tagged with career, learning, python....

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dev.to > robat_das_3c6e956212f6408 > context-window-management-for-long-running-ai-agents-4-patterns-that-work-29og

Context Window Management for Long-Running AI Agents: 4 Patterns That Work

1+ hour, 6+ min ago   (650+ words) The agent had been running for four hours and it was arguing with itself about a file it had already fixed. For years I'd thought about context window management as a packing problem. How do I fit more in. That…...

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dev.to > starnikov > a-telegram-job-alert-bot-in-60-lines-of-python-on-live-ats-data-k9a

A Telegram job alert bot in 60 lines of Python, on live ATS data

55+ min ago   (456+ words) Job boards go stale fast. By the time a weekly digest reaches you, the interesting roles have been open for a month. So let's build the smallest thing that fixes that: a Telegram bot that wakes up, asks one API…...

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dev.to > urbanmixo > the-illusion-of-stringlength-how-to-safely-count-unicode-emojis-and-words-in-js-166m

The Illusion of String.length: How to safely count Unicode, Emojis, and Words in JS

1+ hour, 22+ min ago   (173+ words) If you are building a text input that restricts users to a specific character limit (like a tweet, an SMS gateway, or an SEO meta tag), your first instinct is probably to use String.prototype.length. If you are doing…...

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dev.to > sarthakagrawal927 > the-more-aggressive-matmul-kernel-lost-to-the-register-budget-1e2i

The more aggressive matmul kernel lost to the register budget

1+ hour, 17+ min ago   (171+ words) The WebGPU matmul sweep started with a naive kernel, then added 16 by 16 workgroup tiling and a 4 by 4 output block per thread. At a 2048 cubed matrix size, the measured time moved from 47.24 ms for the naive kernel to 17.23 ms for tiling…...

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dev.to > monteluke_68ee9b83/78/76551 > make-fully-customizable-qr-codes-actually-3cik

Make Fully Customizable QR Codes (Actually)

1+ hour, 18+ min ago   (28+ words) Tired of usual bland QR codes that don't show off your brand? I made a simple API to create fully... Tagged with python, api, backend, tools....

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dev.to > ashg2099 > 56-fault-injection-tests-passed-the-one-that-injected-nothing-failed-ihj

56 fault-injection tests passed. The one that injected nothing failed.

1+ hour, 43+ min ago   (415+ words) I was building a tool that detects when data quietly changes meaning — a vendor switching units, a source dropping a field, an undocumented enum appearing. The kind of failure where every test passes and every job is green. Claims about…...

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dev.to > gouranga-das-khulna > distributed-locks-4148

Distributed Locks

1+ hour, 48+ min ago   (110+ words) One-liner: A distributed lock ensures that only one node in a cluster can perform a critical operation at a time — preventing race conditions across services. In a single-server world, a mutex or semaphore handles concurrency. But in distributed systems: Classic…...

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dev.to > yanwang > three-things-that-bit-us-moving-a-document-scanner-fully-into-the-browser-15cc

Three things that bit us moving a document scanner fully into the browser

1+ hour, 52+ min ago   (596+ words) I work on LensUp, which does exactly that — the whole pipeline runs in the tab, and files are never uploaded. Disclosure up front: it's our tool, and this post is about the parts that were harder than the pipeline itself....