Home/Blog/500k facial scans at UK stations yield no arrests, 1 false positiveBackend500k facial scans at UK stations yield no arrests, 1 false positiveHacker News2026-09-29 19:350 viewsArticle URL: https://www.theguardian.com/technology/2026/sep/29/trial-live-facial-recognition-cameras-london-stations-false-positive Comments URL: https://news.ycombinator.com/item?id=49891480 Points: 10 # Comments: 0Source:https://www.theguardian.com/technology/2026/sep/29/trial-live-facial-recognition-cameras-london-stations-false-positiveMy favoritesPreviousI Found National Coffee Day Deals Worth Making Coffee at Home For (2026)NextYou Are No Longer Invited to DinnerRelated postsThe Cleanup Script Was Right About the Name and Wrong About the File: Dynamic Includes and Leftover-File HuntsEvery few weeks we run a maintenance pass over the servers we look after. One step is a hunt for leftover files in web r0dev.toBuilding an Incident Response Agent That Remembers with HindsightBuilding an Incident Response Agent That Remembers with Hindsight Introduction In software development, production incid0dev.toI Built the Missing Guardrails Package for DartI shipped a Flutter app to production last year with an LLM chatbot baked in. Two weeks later a user pasted their Aadhaa0dev.toEvery Refactor Commit Should Be Green and Revertible: A Bisect AuditA refactor is only as safe as its smallest revertible step. If nobody can undo your change with one command, the charact0dev.toMCP tool authorization: a gateway deny counts only when the server shows no side effectPutting a gateway in front of an MCP server gives you a policy enforcement point on one network path. It does not prove 0dev.toSkip Is Not a Freeze: Revocable Seeded Freezes for Agent PatchesA skipped test is not a frozen test. It is a deleted test that still compiles. The difference matters the moment an agen0dev.to