Using New Bridges of FreeBSD 15
FreeBSD 15 comes with a new bridging implementation which has native support for VLANs. They have also soft-deprecated the ability to have any layer 3 addresses on member interfaces which makes it behave like a real hardware switch. The net.link.bridge.member_ifaddrs sysctl controls this behavior and it will be removed in FreeBSD 16.0-RELEASE, same as if […]
AWS won’t discuss my bill, suspended my account, took $1,600, still no human
AWS has been charging me $1,500/month for near-zero usage. For over a year. That is more than $18,000 for infrastructure I barely use. I tried multiple times to get a human on the phone to discuss it. Every time I requested a callback, AWS would call, a bot would tell me the human wasn’t available, […]
Algolia Hacker News Search GitHub Project Archived
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We installed a single turnstile to feel secure
After the acquisition by a much larger company, security became a top priority. Our company occupied three tall buildings, each at least 13 stories high. Key card readers were installed next to every entrance, every elevator car, and even at the parking lot entrance, which itself was eight stories tall. The parking lot system was […]
Global Intelligence Crisis
What if our AI bullishness continues to be right…and what if that’s actually bearish? What follows is a scenario, not a prediction. This isn’t bear porn or AI doomer fan-fiction. The sole intent of this piece is modeling a scenario that’s been relatively underexplored. Our friend Alap Shah posed the question, and together we brainstormed […]
Show HN: CIA World Factbook Archive (1990–2025), searchable and exportable
❮ ❯ Regional DashboardGlobe choropleth with COCOM regions and capital markers ❮ ❯ Timeline MapAnimated choropleth across 36 years with time series ❮ ❯ Communications AnalysisInternet, mobile, broadband penetration indicators ❮ ❯ Map CompareTwo synced maps for side-by-side year comparison ❮ ❯ COCOM Region DetailRegional map with country-level KPIs and indicators ❮ ❯ Intelligence DossierICD […]
Japanese Death Poems
Although the consciousness of death is in most cultures very much a part of life, this is perhaps nowhere more true than in Japan, where the approach of death has given rise to a centuries-old tradition of writing jisei, or “death poems.” Such poems are often written in the very last moments of the poet’s […]
Read Locks Are Not Your Friends
TLDR On commercial hardware, RwLock was ~5× slower than Mutex for a read-heavy cache workload due to atomic contention and cache-line ping-pong. Introduction This is a story about how “obvious” optimizations can backfire. While building Redstone, a high-performance Tensor Cache in Rust, I hit a wall with write-lock contention.I thought a read lock would probably […]
Six Math Essentials
Six Math Essentials 16 February, 2026 in advertising, book, math.GM | Tags: six math essentials | by Terence Tao Just a brief announcement that I have been working with Quanta Books to publish a short book in popular mathematics entitled “Six Math Essentials“, which will cover six of the fundamental concepts in mathematics — numbers, […]
I built Timeframe, our family e-paper dashboard
How I built Timeframe, our family e-paper dashboard – Joel Hawksley Joel Hawksley / [email protected] / ←home 2026-02-17 TL;DR: Over the past decade, I’ve worked to build the perfect family dashboard system for our home, called Timeframe. Combining calendar, weather, and smart home data, it’s become an important part of our daily lives. When Caitlin […]