The Internals of PostgreSQL

126 ibobev 2026-11-03 22:21:32 UTC interdb.jp Llama Share 3

This documentation explains PostgreSQL's subsystems and their features, aiming to provide a comprehensive understanding of the database system. The author is seeking remote positions focused on applying ML and AI technologies to DBMS due to personal reasons of moving to Japan.

Jailbreaking my car's navigation system just so I can change the time

624 xx_ns 2026-11-03 15:21:32 UTC blog.nns.ee Llama Share 257

The user's 2014 Renault Latitude car has a TomTom Carminat LIVE navigation system that requires a legitimate SD card with specific data to function, including the time settings. The user successfully exploited a kernel vulnerability using the LOG command and core_pattern string manipulation to execute arbitrary code on the rootfs.

Stringman, an $800 open-source room scale gripper robot

395 nharada 2026-11-03 17:21:32 UTC neufangled.com Llama Share 147

Stringman is a robotic arm designed to navigate and manipulate objects in a room, using cable-driven architecture and overhead lines for movement. It offers an open-source platform with customizable control software and AI models, allowing users to create their own workflows and behaviors.

Safari introduces Adaptive Dark Mode in 27.3

305 paddingtone 2026-11-03 22:21:32 UTC webkit.org Llama Share 189

Safari 27.3 beta introduces Adaptive Dark Mode, which automatically converts light websites to dark mode for a consistent user experience. The feature is designed to work with most web pages and can be enabled by setting system appearance to dark in Safari settings.

Show HN: HackerTV – HN's most-recommended Youtube videos as 24/7 TV channels

180 dsalzman 2026-11-03 20:21:32 UTC hackertv.org Full Share 38

Durations are estimated until the YouTube metadata is fetched, so some programs will run short ("please stand by") or get cut off. Keys: ↑↓ channel · 0-9 tune · G guide · F picture · M mute · C captions · I info · T theater · double-click screen for fullscreen · P power

Japan's Jimi 'Mundane' Halloween Costumes of 2026

115 zdw 2026-11-03 20:21:32 UTC spoon-tamago.com Llama Share 19

Jimi Halloween is a Japanese festival where people dress up in mundane costumes, started by adults at Daily Portal Z in 2014. The event has been covered since 2018 and features humorous everyday outfits on social media using #地味ハロウィン.

Qwen 3.8 27B on my laptop can interpret model weights, too

497 theanonymousone 2026-11-03 18:21:32 UTC simonwillison.net Llama Share 155

Researchers Rikiya Takehi and colleagues demonstrated that large language models can interpret and modify neural network weights, a capability dubbed Weight-Space Programming. The model successfully identified game behaviors from raw weights without executing code or using tools.

Fujifilm to boost tape production 5x as AI fuels archiving demand

385 bookofjoe 2026-11-03 12:21:32 UTC arstechnica.com Llama Share 169

Fujifilm invests $63 million to increase magnetic tape production fivefold due to growing demand from cloud giants and data centers. The company attributes this surge to the spread of generative AI, which produces exponential growth in data needs worldwide.

The Little Book of Generative AI Foundations: An Intuitive Mathematical Primer

244 ibobev 2026-11-03 22:21:32 UTC arxiv.org Llama Share 39

This book provides a compact introduction to the mathematical foundations of generative AI, connecting major families of models. It aims to make generative modelling more accessible while retaining its mathematical substance for researchers and practitioners.

Microsoft fixes a Windows 11 annoyance as PC revenue declines

8 rbanffy 2026-11-04 01:21:32 UTC arstechnica.com LocalLLM Share 6

Microsoft is rolling out a Windows 11 preview update that lets users customize the right-click menu, addressing long-standing user complaints. The update includes Cloud Rebuild, a cloud-based recovery option for Windows 11.

Show HN: Kairos – Open-source risk and fraud decisioning platform

63 ayanb9440 2026-11-03 21:21:32 UTC github.com/finic-ai Llama Share 7

Kairos is an open-source alternative to Sardine, Sift, Riskified and SEON for real-time fraud decisions with decision models catching fraud before labels are available. It combines Grayson's unstructured data analysis with traditional machine learning models like logistic regression and gradient-boosted trees.

Postman silently auto-installs AI plugins and attempts to share all API data

1043 sidgarimella 2026-11-03 18:21:32 UTC github.com/postmanlabs Llama Share 346

User found Postman plugin and startup hook causing issues, including authentication warnings and routing API work through Codex skills. They request a rollback of the auto-installed integrations to prevent similar problems in the future.

There is no posttraining data commons

31 lukasschwab 2026-11-03 23:21:32 UTC openathena.ai Llama Share 7

Researchers are struggling to create a digital "task commons" for posttraining AI models, as the raw data needed is often ephemeral and difficult to capture. A pretraining commons was largely created by accident through human activity on the internet.

We're training a Figma-fluent editing model

74 gmays 2026-11-03 19:21:32 UTC figma.com Llama Share 35

Figma's agent helps designers make edits to existing work, combining speed and quality. The model uses a combination of supervised fine-tuning and reinforcement learning to improve its performance on Figma editing tasks.

Giant Canyon on Mars Is Still Tectonically Active Today

4 gmays 2026-11-04 01:42:32 UTC lamont.columbia.edu Full Share 0

Introduction to Programming in ATS

58 ibobev 2026-11-03 20:21:32 UTC ats-lang.sourceforge.net Llama Share 7

ATS is a syntax-rich and feature-rich programming language that covers core features like functional programming, types, and theorem-proving. The book assumes no prior programming experience but may be dense for those without considerable coding background.

US tech giants' hidden AI debt swells 90% to $3.2T in 6 months

257 angry_impala 2026-11-03 22:21:32 UTC asia.nikkei.com Full Share 115

PALO ALTO, California -- U.S. tech giants' off-balance-sheet debt from artificial intelligence-related obligations continues to balloon, almost doubling in six months to about $3.2 trillion, with investors increasingly alarmed by seemingly unending spending.

Curiosity Traps

48 surprisetalk 2026-11-03 21:21:32 UTC autodidacts.io Llama Share 5

The author discusses how to create a network of interesting people through public collections of work, and the importance of subtle Easter eggs and curiosity traps to engage readers. This can be achieved by including tangents, puzzles, and links that cater to different audiences in the same piece.

How I use AI (Oct 2026)

89 citelao 2026-11-03 18:21:32 UTC ben.stolovitz.com Llama Share 82

The author, a research engineer at Salesforce AI Research, reflects on their experience with large language models (LLMs) and artificial intelligence (AI) tools over the past year. They have seen significant changes in how they use AI, from managing multiple agents to drafting a personal AI policy.

Could a modern chess engine on a Pentium have defeated Kasparov in 1996?

454 markusw 2026-11-03 08:21:32 UTC nicholas.carlini.com Llama Share 216

A computer program called Deep Blue defeated chess champion Garry Kasparov in 1996, but a modern chess engine running on the same hardware could beat him. A custom-built engine using Stockfish and adapted to run on 1996 hardware achieved an estimated Elo rating of 3300.

Union Types and Option Types (2025)

23 g0xA52A2A 2026-11-03 22:21:32 UTC tibleiz.net Llama Share 11

The author experimented with option types in a low-level language, Copper, and found it introduced new concepts that made the language more complex. They considered simplifying to just handling T|Nothing for errors.

macOS 27 does not support CoreStorage volumes

113 colejohnson66 2026-11-03 20:21:32 UTC wadetregaskis.com Llama Share 75

macOS 27 has broken support for encrypted HFS+ volumes, making it impossible to mount or convert them. Users are forced to delete and rebuild their data from backups due to the lack of functionality.

Ashby (YC W19) Is Hiring EMs

0 2026-11-03 17:21:32 UTC ashbyhq.com Full Share

Join a team that strives to do their best work every day.

The 'Astra can read and write weights to improve Qwen' post is misleading

911 syllogism 2026-11-03 13:21:32 UTC honnibal.dev Llama Share 191

The author explains that the "Astra can read and write weights" post is misleading, as it doesn't actually demonstrate a single technique to analyze or modify network weights. The experiments involve different tasks and techniques, including writing code snippets to analyze or modify weights.

Pratt parsing is a black box

41 ibobev 2026-11-03 20:21:32 UTC vinipsmaker.github.io Llama Share 17

Pratt parsing is an efficient algorithm that reduces parsing to a simple question of what to expect to the left of a token, allowing for fast and flexible parsing without complex dependencies or backtracking. To effectively use Pratt parsing, one must adopt a mindset shift towards abstracting grammatical structures into nuds (null denotation) and leds (left denotation), which enables powerful ...

Killing what can't be handled – putting a spaghetti demon to eternal rest

34 ibobev 2026-11-03 21:21:32 UTC themaister.net Llama Share 7

The author of dxil-spirv has rewritten the control flow graph structurizer to improve correctness and performance, abandoning human-readable code in favor of GPU-friendly execution. The new implementation successfully passes SPIR-V validation on a large shader corpus with good GPU performance.

Writing seen in PHerc. 306B, for the first time in 2000 years

116 benbreen 2026-11-03 13:21:32 UTC scrollprize.substack.com Llama Share 16

A $50K First Letters Prize was awarded to Liam Warner and Nicola Bodill for their work on PHerc. 306B, a carbonized scroll from the Vesuvius eruption in AD79, after reviewing 25 submissions that identified readable text within a specific area.

Mac at any scale

319 anner_ 2026-11-03 15:21:32 UTC namespace.so Llama Share 187

The author shares their experience building custom Mac racks for a datacenter, overcoming challenges such as limited supply of Mac Minis and designing efficient cooling systems. They also discuss the use of Apple's Virtualization framework to run macOS instances in the datacenter.

Preparing for the Flipper One Kickstarter and opening pre-orders

172 user_7832 2026-11-03 20:21:32 UTC flipper.net Llama Share 79

Flipper One is a Linux-based, expandable computer with Wi-Fi 6E and Gigabit Ethernet. It features a powerful ARM processor and supports various M.2 modules for customization.

Antimony: CAD Software Evolved from Lisp Machines and Not Drafting Tables (2015)

104 pmkary 2026-11-03 15:21:32 UTC mattkeeter.com Llama Share 59

Antimony is a CAD tool that uses Python 3.x and Lisp machine-inspired scripting, allowing users to create custom shapes and transforms. It can export heightmaps for 2.5D processes and .stl files for 3D manufacturing with built-in features and support for user-defined custom shapes.