How to Validate 15-Minute Meter Data Before PV/BESS Modelling
Csott Károly Péter A meter export can open successfully and still describe the wrong timeline. Before using it in a solar PV or battery-storage model, I want to establish what one row…
Новости AI и IT за сутки
Лента всех новостей AI и IT за сутки по порядку, у каждой ссылка на первоисточник.
SteamOS or Windows 11: deciding with PowerShell before you partition
Dual-booting SteamOS next to Windows 11 is often framed as a taste question. In practice it is an inventory question, and you can answer it with a handful of commands before you delete…
29/10
29/10 TOP - Foundation: 93% Object Basics Working with object basics exercises in the foundation repo. Done 2/5. The exercise 2 - checking for palindromes was really hard. Have to go over…
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:…