Новости AI и IT за сутки
Лента всех новостей AI и IT за сутки по порядку, у каждой ссылка на первоисточник.
Pipes and Redirection: How >, >>, 2> and | Really Work
Four small symbols move text between commands and files. Once you see the three streams behind them, shell one-liners stop looking like magic. Adapted from the Command Line Essentials…
Sri Lankan public holidays and Poya days as open data, and two date bugs to avoid
If you build anything for Sri Lanka (payroll, delivery dates, booking slots, a school timetable) you need the holiday list. It can't be computed. The full moon Poya days follow the lunar…
One Noisy Alert, Tuned Without Hiding a Real Outage
Your phone buzzes at 3:12 AM: "bus-times API down." By the time you open your laptop, it's back up. It happened twice last week too, and each time you went back to sleep. That's the…
How to compress an image to an exact KB limit in the browser (canvas, binary search, and when to stop lowering quality)
Upload forms for visas, exams and job portals often say "photo must be under 100 KB". A phone photo is 3 to 5 MB, and the usual advice is to drag a quality slider until the number looks…
Redesigning a Halloween guide for people who need a costume tonight
This post was written with AI assistance. When someone searches for a last-minute Halloween costume, they probably have a practical question: “What can I put together with the clothes and…
System design for physical AI: leak detection, compressor health and OT security evidence for a US gas transmission estate
This is the engineering summary of an open reference architecture. The paper, its object model as JSON and the model register are free to reuse under CC BY 4.0:…
Why I still keep a plain text todo file
Every few months I try a new task app, and every time I come back to a single text file. Not because the apps are bad. Opening an app is a decision; opening a file in the editor I'm already…
Agent Memory Architecture: Building Cross-Session Memory with MemOS
A user has set email as the default for their weekly reports. A week later, they switch to Slack. Then they ask the assistant, “Email this report; I need to forward it to a client.” The…
One small win from caching responses
Added a five-second cache to one expensive endpoint; median latency dropped by more than half. Not a deep insight: it was slow, we cached it, it got faster. The interesting part was the…
Building an Etsy Fee Calculator: The Math Behind the Margins
When I first started selling my handmade goods on Etsy, I was thrilled to see the orders roll in. But a few months later, I sat down to review my bank deposits and realized something was…
Exact Beat Fractions for Pickup and Closing Bars
I build Pianory, a browser-based piano learning app. AI helped draft this article; I checked the claims against src/lib/domain/course-timeline.ts and its focused test suite. A score import…
What actually paid: 10 days of testing sites that promise small crypto payouts
I field-test platforms that claim to pay small creators and testers in crypto, and I keep receipts. Ten days, many accounts, one rule: a platform has not paid until the coins are in my own…
Detect a website's tech stack from headers, HTML and cookies (JS + Python)
I wrote this article with AI assistance. I ran every snippet against the live sites shown on 29 Oct 2026, and all output is copied from those runs. Websites change often, so your output…