Notes from Việt Nam on law, technology, languages, history, culture and travel.https://blog-ndt.pages.dev/https://blog-ndt.pages.dev/blog/how-to-use-claude/https://blog-ndt.pages.dev/blog/how-to-use-claude/Claude is more useful than most people realise — if you know where to run it and how to talk to it. A hands-on guide from daily use: apps, Claude Code, and the prompting habits that actually matter.Tue, 25 Aug 2026 00:00:00 GMThttps://blog-ndt.pages.dev/blog/vietnam-cybersecurity-decrees-august-2026/https://blog-ndt.pages.dev/blog/vietnam-cybersecurity-decrees-august-2026/Two implementing decrees under the new Luật An ninh mạng took effect on 19 August 2026 — bringing Vietnamese phone-number authentication for accounts, 24-hour takedown clocks, and 12-month log retention for platforms.Tue, 25 Aug 2026 00:00:00 GMThttps://blog-ndt.pages.dev/blog/nghi-dinh-30-2020-anatomy/https://blog-ndt.pages.dev/blog/nghi-dinh-30-2020-anatomy/Why every official Vietnamese document looks the same — and what the rules behind the Quốc hiệu, the numbering, and the Times New Roman actually say.Mon, 10 Aug 2026 00:00:00 GMThttps://blog-ndt.pages.dev/blog/ai-coding-agents-daily-workflow/https://blog-ndt.pages.dev/blog/ai-coding-agents-daily-workflow/A year of working with agentic coding tools: what they are actually good at, where they still fail, and the habits that make the difference.Sun, 02 Aug 2026 00:00:00 GMThttps://blog-ndt.pages.dev/blog/spaced-repetition-vocabulary/https://blog-ndt.pages.dev/blog/spaced-repetition-vocabulary/Why cramming vocabulary fails, what the forgetting curve actually looks like, and how to set up a spaced repetition habit that survives contact with real life.Sat, 18 Jul 2026 00:00:00 GMThttps://blog-ndt.pages.dev/blog/thang-long-to-ha-noi/https://blog-ndt.pages.dev/blog/thang-long-to-ha-noi/The Vietnamese capital has carried more than a dozen names across a thousand years. Each one is a small history lesson in itself.Sun, 05 Jul 2026 00:00:00 GMThttps://blog-ndt.pages.dev/blog/tet-nguyen-dan-traditions/https://blog-ndt.pages.dev/blog/tet-nguyen-dan-traditions/Bánh chưng, the Kitchen Gods, first-footing, and lucky money — a field guide to the traditions that make Vietnamese Lunar New Year what it is.Sat, 20 Jun 2026 00:00:00 GMThttps://blog-ndt.pages.dev/blog/slow-weekend-ninh-binh/https://blog-ndt.pages.dev/blog/slow-weekend-ninh-binh/Limestone karsts, river caves, and the ruins of a 10th-century capital — two unhurried days in the landscape they call "Hạ Long Bay on land."Mon, 08 Jun 2026 00:00:00 GMT