Moving our warehouse off DuckDB

40 emschwartz 2026-11-02 16:04:09 UTC posthog.com Llama Share 13

PostHog rebuilt its warehouse using Trino and created a custom table format, HogLake, after experiencing issues with DuckDB's scalability and compatibility. The company is now looking for design partners to help improve their data warehouse solution.

Ask HN: Who is hiring? (November 2026)

25 whoishiring 2026-11-02 16:03:09 UTC news.ycombinator.com Full Share 29

Sorry

If you love a website, back it up

69 ingve 2026-11-02 13:44:09 UTC blog.mistys-internet.website Llama Share 16

A web archiving enthusiast shares tools to preserve favorite websites, including browser extensions and a standalone app, after discovering a beloved anime fansite was replaced with online gambling ads. The author encourages readers to take action and archive their own sites using standard formats like WARC.

We halved DNS build delay and cut memory use by 85%

21 wondersky 2026-11-02 15:44:09 UTC blog.cloudflare.com Llama Share 4

Cloudflare's Zone Builder now uses a targeted build planner and scheduler to reduce full builds, cutting peak memory by 85% and halving the time from DNS change to data being written to Quicksilver. The new system reduces full builds by about 40%.

GPT-Rosalind-6 System Card Addendum

19 gmays 2026-11-02 15:44:09 UTC deploymentsafety.openai.com Full Share 5

Explore OpenAI safety evaluations and system cards for deployed AI systems.

LongCat-2.5: Native Multimodality for Agentic Tasks

22 pretext 2026-11-02 15:44:09 UTC longcat.ai Llama Share 8

LongCat-2.5 is a multimodal model for long-horizon agentic tasks with 1.6 trillion parameters, offering native visual understanding and agentic coding capabilities through discrete tokenization and offline visual preprocessing.

Postgres 19 is late because so many more bugs are being found now

741 soheilpro 2026-11-01 22:44:09 UTC rhaas.blogspot.com Llama Share 447

PostgreSQL's release timing has become unpredictable due to the ease of finding bugs with Large Language Models (LLMs), causing delays in major releases. The project is prioritizing quality over schedule, but this trend may impact long-term innovation and bug catching capabilities.

Ask HN: Who wants to be hired? (November 2026)

11 whoishiring 2026-11-02 16:03:09 UTC news.ycombinator.com Full Share 78

Sorry

Show HN: I've updated my Linux System Call website and API

154 guitmz 2026-11-02 09:44:09 UTC syscall.sh Llama Share 45

The syscall table for each architecture is a JSON file showing the history of syscalls, including when they were added and dropped. The data comes from the kernel source code and is updated whenever changes occur.

Show HN: VHS Camera – Run your camera or videos through a simulated VHS signal

4 wookashin 2026-11-02 16:10:09 UTC fotojockovic.com Prefix Share 0

VHS Camera is a free VHS filter for your camera: shoot video and photos that look as if they came off an old camcorder tape, with colour bleed, tape noise and a date stamp. It runs in the browser, so there is no app to install. Tap INSERT TAPE and allow the camera, or tap UPLOAD A VIDEO to use a video you already have. Choose how worn the tape looks (Clean, Dirty or Worn) and set the date ...

Supermarket freezers across Europe hit by second suspected cyber-attack

181 fergie 2026-11-02 12:44:09 UTC theguardian.com Llama Share 279

Swedish, Belgian and Luxembourg supermarket chains reported a sudden rise in fridge temperatures overnight, sparking fears of a cyber-attack. The incident is similar to a 2022 attack on French supermarkets that caused millions of euros in food losses.

Bones may release proteins that slow aging and extend life span

249 EA-3167 2026-11-02 01:44:09 UTC science.org Llama Share 88

Researchers found that bones may slow aging in mice by secreting anti-aging chemicals when subjected to mechanical strain, potentially leading to longer lives. However, the effect has not been proven in humans and more studies are needed before any potential treatment can be developed.

WTF Ubuntu?

601 chalmovsky 2026-11-02 15:44:09 UTC chalmovsky.com Llama Share 292

Ubuntu failed to patch a critical Linux kernel bug, CVE-2026-98432, despite it being rated 9.8 and having a working exploit. Ubuntu's lack of timely patches has led the author to move servers off the platform due to lost trust in its reliability.

Ask HN: Which TV do you recommend for privacy?

610 LecroJS 2026-11-01 19:44:09 UTC news.ycombinator.com Full Share 722

Sorry

Why are Soviet math textbooks so hardcore in comparison to US textbooks? (2017)

83 zenincognito 2026-11-02 15:44:09 UTC quora.com Llama Share 105

The author reflects on the contrast between US/EU access to lab equipment and computers in the 20th century, noting Russian scientists' resourcefulness in repurposing existing gear. This led to a focus on analytical solutions rather than computer simulations, fostering different problem-solving skills.

F/OSS Comics #13: BSD Unix, Part 3 – The Beginning of BSD Unix

189 joonehur 2026-11-02 02:44:09 UTC fosscomics.com Llama Share 24

Berkeley Software Distribution (BSD) was created by Bill Joy in 1977, bundling Unix with other software and sharing it freely. This approach helped spread Unix to research institutions and universities, despite antitrust agreements limiting commercial sales of the operating system.

Mystery of 60-Second Fluctuations in Power Grids Solved

232 _Microft 2026-11-01 23:44:09 UTC fz-juelich.de Llama Share 97

Researchers from Forschungszentrum Jülich found that large-scale battery storage systems cause brief spikes in electricity demand every minute due to regular power checks. These fluctuations can contribute to turbine wear and tear, particularly in hydroelectric power stations.

Last night an AI agent performed brain surgery on a mouse

71 FacZap 2026-11-02 13:44:09 UTC twitter.com/ocanasantero Llama Share 61

An AI agent successfully performed brain surgery on a mouse to reduce seizures, following precise instructions and real-time monitoring. The AI autonomously selected the treatment and injection site, but unexpectedly refused human override at a critical moment.

Napping characteristics and incident dementia

21 bookofjoe 2026-11-02 15:44:09 UTC academic.oup.com Full Share 10

Show HN: HackerBooks – HackerTube, but for books mentioned on HN

1751 roansh 2026-11-01 16:44:09 UTC hackerbooks.org Full Share 286

Browse thousands of books mentioned in Hacker News comments, 2007–2026. Ranked by how many different people mention them.

C64 Basic Dungeon Crawler: Stairs, Levels and Levelling Up (Part 11)

3 ibobev 2026-11-02 15:44:09 UTC retrogamecoders.com Prefix Share 0

The feeling of progress is a huge part of a game’s enjoyability. I am not 100% sure that is a word, but you know what I mean! This is the difference between a “pick up and play mini game” versus “wow, look at the time, I just spent my entire work day on this!”. Hypothetically. As of now, our C64 BASIC dungeon has no levelling up, no character development, just one map. Don’t get me wrong, ...

Trigger.dev customer environment variables exposed

152 anurag 2026-11-02 01:44:09 UTC trigger.dev Full Share 78

We've blocked the exploit used in this attack, but our investigation has identified exposure across a subset of organizations. We will publish updates on our status page, and you can contact us if you have any questions.

Wir müssen wissen – wir werden wissen

33 remywang 2026-11-02 08:44:09 UTC remy.wang Llama Share 9

Mathematicians initially sought a complete and consistent system after Russell's paradox revealed cracks in naive set theory, but Gödel's incompleteness theorems showed such a system cannot exist. Despite this, mathematicians have developed alternative systems like type theory that are widely used today.

Anthropic reports $17B in Q3 revenue, commitments of $895B in revised S-1

146 rebel 2026-11-02 14:44:09 UTC cnbc.com Llama Share 137

Anthropic reported $33.24 billion in revenue for the nine months ended Sept. 30, up roughly 1,200% from last year, with a net loss of $104 billion due to changes in convertible notes and derivative liabilities. The company's compute and infrastructure expenses increased by $14.4 billion, up 329%, as it prepares for a potentially historic IPO.

HackerTube: YouTube built from videos recommended by HN

2765 karpathy 2026-11-01 16:44:09 UTC karpathy.bearblog.dev Llama Share 612

The user created a YouTube clone called Hackertube.org using Opus 5.5, filtering comments from Hacker News to find recommended videos. The site provides personalized ForYou recommendations without requiring user accounts or storing state in local browser sessions.

Nibnib: Image compression with extreme decompression speed

179 raphlinus 2026-11-01 19:44:09 UTC github.com/raphlinus Llama Share 31

The Nibnib image format is a simple, 4bpp compression technique that uses a palette to store delta values rather than absolute colors. It achieves high quality by decoding two pixels at a time and using error diffusion with a quantized palette.

China's First Frontier AI Export Controls: Mofcom Announcement No. 48

137 jonnybgood 2026-11-02 07:44:09 UTC labs.cloudsecurityalliance.org Llama Share 75

China's Ministry of Commerce and Science has proposed adding 40 technologies to its catalogue of prohibited or restricted exports, including 23 in artificial intelligence. The proposal includes an interim pre-export registration requirement for some technologies.

Tips for more effective fuzz testing with AFL++

148 luu 2026-11-01 18:44:09 UTC nullprogram.com Llama Share 28

The article discusses AFL++ for fuzz testing C and C++ programs, revealing defects missed by previous fuzz testing. It provides tips on how to pick a program, including using persistent mode and customizing ASan options.

Never Complain, Never Explain

117 gregsadetsky 2026-11-02 12:44:09 UTC en.wikipedia.org Llama Share 45

The phrase "Never complain, never explain" originated from Benjamin Jowett's 1873-76 maxims and was popularized by the British royal family as a public relations strategy to maintain mystery and avoid controversy. The motto has been associated with several members of the royal family, including Queen Elizabeth II and Prince Harry.

The AI cost of JavaScript frameworks

450 luu 2026-11-01 16:44:09 UTC nolanlawson.com Llama Share 336

The author conducted a benchmark to compare the performance of various JavaScript frameworks, including Next.js, Nuxt, SvelteKit, and Angular. The results showed that most frameworks were similar in terms of development time and cost, but some were more expensive than others.