HackerTube: YouTube built from videos recommended by HN

381 karpathy 2026-10-31 20:42:19 UTC karpathy.bearblog.dev Llama Share 148

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.

TCP Use-After-Free: CVE-2026-98432 / CVSS 9.8

212 oger 2026-10-31 19:42:19 UTC atlasum.net Llama Share 100

A critical Linux kernel vulnerability (CVE-2026-98432) allows a remote, unauthenticated peer to reach and crash the system. The fix is available in kernels 5.10.272, 5.15.223, and others; users should install the fixed kernel and reboot as soon as possible to prevent exploitation by attackers who can run arbitrary commands as root without credentials or user interaction on servers with a ...

With 86% of the words, you might understand only 38% of an anime's lines

32 lakesare 2026-10-31 21:42:19 UTC learnfromx.com Llama Share 23

The author learned 500 common words from Frieren and found they understood 38.4% of the lines, but missed many due to gaps in their vocabulary. This is because coverage only accounts for known words, not line length or context.

It's the Memory Latency, Stupid

79 ntur1337 2026-10-31 18:42:19 UTC pivotlake.io Llama Share 21

A CPU at 100% utilization doesn't necessarily mean it's fully utilized, as memory accesses are much slower than internal CPU operations. Optimizing database queries to utilize the CPU cache can significantly improve performance.

The Duty of a Scholar

65 gslin 2026-10-31 19:42:19 UTC daemonology.net Llama Share 22

The author, a computer security expert, identified a vulnerability in Intel CPUs that could be used for side-channel attacks and worked with companies to fix the issue before public disclosure. He prioritized responsible disclosure over career considerations.

Surviving "The Graduate"

28 samizdis 2026-10-31 20:42:19 UTC newyorker.com Llama Share 3

The author, Dustin Hoffman, recounts his experience filming "The Graduate" under the direction of Mike Nichols. He struggled with insecurity and felt miscast in the lead role due to his ethnic background. Despite initial reservations, Hoffman eventually landed the part after a memorable screen test that impressed Nichols.

Show HN: NES Contra (1987) port (ASM –> C and then C –> WebAssembly)

28 tevlon 2026-10-31 19:42:19 UTC epoyraz.github.io Full Share 17

Press Enter (or tap START) to begin. ←↑→↓ move · A/Space jump · S fire · Enter Start · Shift Select On-screen: A = jump · B = fire Online: both players use these same keys on their own computer. Player 1 picks 2 PLAYERS with Shift on the title screen.

Molly (Signal fork) has not been updated since 3 months and is vulnerable

287 DeepLogin 2026-10-31 10:42:19 UTC piefed.world Llama Share 167

The latest Signal exploit has been fixed in version 8.27, but Molly remains vulnerable and is recommended to be deleted until it's updated adequately. Users can download the APK from a periodic update service like Obtainium or f-droid instead of relying on Molly for Android devices without Google Play Store access.

Jepsen: ParticleDB 1.1.4

158 aphyr 2026-10-31 15:42:19 UTC jepsen.io Llama Share 87

ParticleDB is a database system that claims to be 1087x faster than PostgreSQL but has been found to have numerous serious safety errors, including data loss and corruption. Despite its promising features, the database's documentation was riddled with omissions, inconsistencies, and confabulations.

Show HN: A language model that lives in a boot sector

39 kerlenton 2026-10-31 18:42:19 UTC github.com/kerlenton Llama Share 0

A 512-byte boot sector in assembly code loads a Linux boot log, simulates its execution, and trains a model to generate similar logs. The model is then used to generate fake dmesg output and record the process as a GIF animation.

Much Ado About None: Sentinel Values in Python

31 sebg 2026-10-31 18:42:19 UTC florianwilhelm.info Llama Share 19

The author discusses the ambiguity of using None as a sentinel value in Python, which can lead to confusion and errors. They advocate for using built-in sentinels like Ellipsis or Pydantic's MISSING instead of creating custom ones.

Rhind Mathematical Papyrus

10 sweetdingoes 2026-10-31 20:42:19 UTC en.wikipedia.org Llama Share 1

The Rhind Mathematical Papyrus is an ancient Egyptian mathematical text that contains problems and solutions on arithmetic, algebra, geometry, and trigonometry. The papyrus was written in the 15th century BC during the Second Intermediate Period of Egypt.

Do the math: How we took over ChatGPT accounts

293 armcat 2026-10-31 10:42:19 UTC parameter.ai Llama Share 142

Researchers found a way to take over someone's ChatGPT account by sending a malicious link, which executed as chatgpt.com with access to the victim's authenticated web session. The payload could enumerate private conversations, retrieve content from them, and send data to an attacker-controlled server.

Distributed Proofreaders

11 gone35 2026-10-31 21:42:19 UTC pgdp.net Llama Share 1

Distributed Proofreaders is a web-based platform that allows volunteers to convert public domain books into e-books by proofreading and editing pages. Volunteers can contribute in various ways, including proofreading, managing projects, and developing site improvements.

5 years of OqtaDrive: Microdrive emulation to Sinclair Network over the internet

12 xelalex 2026-10-31 19:42:19 UTC oqtadrive.org Llama Share 3

OqtaDrive is a hobby project that converts an Arduino Nano into a Sinclair Microdrive emulator for ZX Spectrum and QL consoles. It has evolved over 5 years with new features, including internet gateway capabilities and private on-demand networks.

Simple circuits can create complex behaviors

198 aatish 2026-10-31 11:42:19 UTC aatishb.com Llama Share 65

Researchers have built a simple brain model to understand how complex behaviors emerge from neural circuits. This model, called a "spark," uses just four neurons and two connections to create rich and unexpected behaviors like reaching light sources.

Redox: Ring Buffers Project Summary

49 g0xA52A2A 2026-10-31 16:42:19 UTC redox-os.org Llama Share 10

The Redox team has developed io_uring-like Ring Buffer support at the system task level to enable efficient asynchronous I/O between applications and system services. This project was funded by NLnet Foundation, NGI Zero Commons Fund, and Horizon Europe.

Anthropic blocks users for anything touching training larger models

94 pretext 2026-10-31 19:42:19 UTC twitter.com/jiahaoshao1 Llama Share 21

The user is unhappy with Anthropic's @DarioAmodei, feeling unfairly blocked for using their model in research automation. They believe this treatment is hypocritical given that the models were trained on public data.

GPT-5.6 Sol can beat Factorio on peaceful mode

137 ryanmadden 2026-10-31 19:42:19 UTC ryanmadden.net Llama Share 147

The user ran GPT-5.6 Sol in Factorio for 13.5 hours, achieving a peaceful run with surprising effectiveness despite scaling issues in the blue science stage. The experience provided valuable insights into model capabilities and potential uses as a medium for building intuition about AI behaviors.

William Nordhaus has died

42 ilreb 2026-10-31 18:42:19 UTC news.yale.edu Llama Share 12

William Nordhaus, a renowned economist and Yale professor, died at 85 after battling glioblastoma. He won the 2018 Nobel Prize in Economics for his work on climate change and economic growth.

Reading and writing are less symmetric than you (probably) think

68 luu 2026-10-31 13:42:19 UTC fgiesen.wordpress.com Llama Share 21

Buffering in I/O operations involves multiple layers of caching and buffering to improve performance, but this introduces behavioral asymmetries between read and write operations. Read operations typically return errors before the data is written to storage, while write operations delay error reporting until after the data has been written to a buffer cache.

Switch Lowering in GCC

194 signa11 2026-10-31 08:42:19 UTC xoranth.net Llama Share 36

The compiler uses a combination of bitset and jump table lowering strategies for switch statements, depending on the number of case labels and their distribution. It employs dynamic programming to optimize these strategies, considering factors such as register width and case values threshold.

Noctua Fan Swap on a Calnex Rb/GPS Frequency Reference

36 aray07 2026-10-31 17:42:19 UTC jeffgeerling.com Llama Share 22

The author documented a fan swap in their Atomic Clock Tower, replacing the original Delta EFB0412HHD fan with a Noctua NF-A4x20 FLX. The new fan was installed using custom connectors and allowed for improved airflow to the SpectraTime GRClok-1500.

Sculpture re-creates odd optical effects of famed Lycurgus Cup

4 dverlaeckt80 2026-10-31 21:42:19 UTC arstechnica.com Prefix Share 0

Dating back to around 400 CE and made of dichroic glass, the Lycurgus Cup is notable for exhibiting different colors depending on the light. (It gets its name from the scene depicted on its surface, of King Lycurgus of Thrace.) Light it from the front, and the cup looks green; light it from behind, and the color changes to a deep red. University of Sheffield scientists have re-created the ...

Digital minimalism

287 wilbertliu 2026-10-31 06:42:19 UTC vitalik.eth.limo Llama Share 218

The author reflects on the value of minimalism in both physical and digital life, citing personal experiments with reducing social media use and living without a cell connection. They found that these changes improved their mental health and allowed for more local knowledge apps to be developed.

Serbia just elected the world's brainiest parliament

782 input_sh 2026-10-31 10:42:19 UTC science.org Llama Share 449

A group of academics, including astrophysicists and organic chemists, have been elected to Serbia's parliament after a student-led opposition movement won in October. They aim to fight corruption and establish meritocracy in the country's government and education system.

Show HN: A USB-C LTE modem that gives my computer a phone line

35 abijahkaj 2026-10-31 16:42:19 UTC github.com/koppar-ai Llama Share 30

A 4-layer board connects a computer to an LTE modem, allowing for voice calls and SMS. The board is designed by Koppar using a one-page spec and reviewed against datasheets.

Casio Watches of the 1980s

197 karagenit 2026-10-31 16:42:19 UTC casio.com Full Share 100

You don't have permission to access "http://www.casio.com/us/watches/50th/Heritage/1980s/" on this server.

Show HN: Ghostman – A fast, keyboard-driven TUI API client and webhook inspector

40 4yk5 2026-10-31 14:42:19 UTC github.com/4yk5 Llama Share 25

Ghostman is a local-first, keyboard-driven API client and webhook inspector built from scratch for developers seeking raw speed and complete local privacy. It allows users to capture, inspect, and replay webhooks live on screen with full keyboard navigation.

AI, Lean, and the Future of Formal Verification, with Lean Creator Leo de Moura

182 datascientist 2026-10-31 04:42:19 UTC thedataexchange.media Llama Share 40

Leo de Moura discusses how AI is making formal verification more accessible and potentially transforming software engineering, with a focus on Lean, a programming language and theorem prover. He explains that formal verification addresses the trust bottleneck between humans and AI-generated code, allowing developers to verify properties of their code before deployment.