3001
Looking Forward to Postgres 19: Query Hints
Postgres 19 brings plan advice: the query hints the Postgres community held off on for 15 years. Shaun Thomas covers the 15-year debate, pg_plan_advice, pg_stash_advice, and how to use them.
New
The latest blog posts to take off on Hacker News. 80,798 posts.
3002
New method turns ocean water into drinking water, without waste
The energy-efficient desalination system produces fresh water without chemical additives and transforms leftover salts into useful materials.
3003
Playing with Vision Embeddings
Poking at the geometry of an image model's feature space.
3004
I tested every IP KVM in my Homelab
Since the PiKVM came out in 2017, there's been an explosion of IP KVMs. I've tested almost every one. But what are they good for? You can use Remote Desktop, Screen Sharing, or VNC to remote control a computer from anywhere on a LAN. And if you don't have a private VPN, you could use RealVNC, Raspberry Pi Connect, or…
3005
The Quiet Numbers Station: Decoding Nineteen Years of GPS Cryptography
The Global Positioning System (GPS) relies on its primary L1 frequency to broadcast precise timing and orbital data, allowing receivers on Earth to calculate their exact location. Because the L1 C/A signal transmits at just fifty bits per second, every bit of this navigation data must earn its place. Yet, within this…
3006
Did Claude increase bugs in rsync?
In order to avoid accuastions of this "just being Claude defending Claude," "AI slop," "probably all hallucinations," etc., I've decided it's probably worth explaining a few key points about how this report was created:
3007
Programmers will document for Claude, but not for each other
From the highly eclectic blog of Mark Dominus
3008
Win16 Memory Management
This is a kind of knowledge base article which resulted from attempts to understand exactly how memory management works in 16-bit Windows. It is not exactly undocumented, but it is also not well documented; even before Windows 3.0 appeared, the assumption was that essentially all application developers were going to…
3009
Arithmetic Without Numbers – How LLMs Do Math
What happens inside an LLM when it tries to calculate with nothing but matrices.
3010
Changing how we develop Ladybird
Ladybird is changing how code enters the project as we prepare to ship a browser to real users.
3011
Fine-tuning an LLM to write docs like it's 1995
In my predictions for 2030 I wrote that tech writers would be using specialized LLMs, running locally on powerful hardware. I …
3012
C++: The Documentary
C++: The Documentary premiered today on YouTube, and it was great to be on the live chat with Bjarne and many other key folks who participated in C++’s history. I’m honored to have been…
3013
Azure Linux 4.0 is Microsoft's first general-purpose Linux
Microsoft’s in-house Linux, the distribution that grew out of CBL-Mariner, just hit public preview as a general-purpose cloud OS you can run on any Azure VM and coming soon to WSL.
3014
IPv6 zones in URLs are a mistake
Run away while you still can, it's not too late for you to avoid the curse of knowledge.
3015
Meta's ships facial recognition on smart glasses
Stella is the companion app for Meta's smart glasses. Inspecting version 273.0.0.21 of the Android build (com.facebook.stella), I found the entire computational and storage stack for on-device facial recognition: three face models, a local database schema, a cosine-similarity vector index dimensioned to
3016
WSL 2 is getting faster Windows file system access
From DrvFs in WSL 1 to Plan 9 to virtiofs, cross-OS file access in WSL 2 has improved with each generation. A new change gives each virtio device its own dedicated DMA pool, removing the last major contention point on the virtiofs path.
3017
"Maybe later" was a feature
The most valueble code in my repo, is the code I didn't write.
3018
OCaml Onboarding: Introduction to the Dune build system
Welcome to all Camleers We are back with another practical walkthrough for the newcomers of the OCaml ecosystem. We understand from the feedback we have gathered over the years that getting started with the OCaml Distribution can sometimes be perceived as challenging at first. That's why we keep it ...
3019
3020
When AI Builds Itself: Our progress toward recursive self-improvement
Our progress toward recursive self-improvement, and its implications.
3021
Retro-Tech Parenting
I am a technologist. I enjoy the things that computers and digital devices can do–they often seem magical and amazing! As a technologist, I have a particular vantage point to see and be very uncomfortable with what companies are doing with that technology. There are catchphrases for these patterns: AdTech…
3022
Speculative KV coding: losslessly compressing KV cache by up to ~4×
Lossless compression of a target model's KV cache by up to 4×, using a cheaper predictor model to drive an arithmetic coder.
3023
My Agent Skill for Test-Driven Development
AI agents tend to be, at least as of this writing (May 2026), lousy at writing tests. The tests they write are often vague, cryptic, overcomplicated, hacky, dis...
3024
VoidZero Is Joining Cloudflare
VoidZero, the team behind Vite, Vitest, Rolldown, Oxc, and Vite+, is joining Cloudflare. Vite stays open source, vendor-agnostic, and built for everyone.
3025
Ian's Secure Shoelace Knot
Tutorial for tying the Ian's Secure Shoelace Knot, in which the laces are formed into two loops, both of which are passed through the “hole” in the middle.
3026
Gaussian Point Splatting
Joris Rijsdijk, Christoph Peters, Michael Weinmann, Ricardo Marroquim. 2026–07 in ACM Transactions on Graphics (Proc. SIGGRAPH) 45, 4. Official version
3027
UK media fails to disclose defence sector links in nearly 60% of cases
Here AOAV finds that UK media outlets frequently present retired senior military figures as independent defence experts without disclosing their commercial ties to defence, security, intelligence, and technology industries, potentially obscuring conflicts of interest in public debates over war and military spending.
3028
3029
The SpaceX IPO will be the theft of the century
An S-1 full of fantasies, insiders who will pocket millions, index companies that have changed the rules: it's all a recipe for regular people to have their pockets picked.
3030
Biohub releases a world model of protein biology
Open AI models used for a wide range of scientific applications, including accelerating the design of therapeutic molecules.