Renting a sewing machine from the library

119 sohkamyung 2026-06-20 23:04:19 UTC bbc.com Llama Share 54

Finland's libraries are thriving as community service centers, offering more than just books, and promoting social inclusion and democracy. They are valued for their role in helping societies function, with over 700 libraries serving Finland's 5.6 million people.

Epoll vs. io_uring in Linux

65 Sibexico 2026-06-21 00:04:19 UTC sibexi.co Llama Share 21

The user discusses the differences between epoll and io_uring for handling asynchronous I/O on Linux, highlighting io_uring's efficiency and reduced syscall overhead. io_uring is recommended for modern Linux projects due to its improved performance and architectural changes.

'We had to get out of the way': The backlash over delivery robots

44 higginsniggins 2026-06-21 01:04:19 UTC bbc.com Llama Share 39

Delivery robots are appearing in cities worldwide, but concerns over pedestrian safety and job impact are growing. Residents and authorities are calling for regulations and safety tests before widespread adoption.

Show HN: TownSquare, a tiny presence layer for websites

83 cauenapier 2026-06-20 23:04:19 UTC townsquare.cauenapier.com Llama Share 29

TownSquare is a web platform where users can interact without accounts or algorithms, sharing a virtual space. It features simple controls for movement, chat, and social interactions, creating a fun and playful online experience.

Loupe – A iOS app that raises awareness about what native apps can see

90 Cider9986 2026-06-20 23:04:19 UTC github.com/mysk-research Llama Share 20

Loupe is an iOS app that shows device fingerprinting data from public APIs, helping users see what apps can quietly learn about their device. It's free and open source, with a Mac version in development.

Slow breathing modulates brain function and risk behavior

72 croes 2026-06-20 23:04:19 UTC cell.com Llama Share 13

Prolonged exhalation breathing can increase cardiac parasympathetic activity, leading to enhanced reward sensitivity and increased risky choices. This effect is associated with changes in brain activity in regions involved in reward processing, such as the ventromedial prefrontal cortex and precuneus.

15-minute at-home Lyme disease tick test

51 bookofjoe 2026-06-21 00:04:19 UTC bostonglobe.com Llama Share 15

LymeAlert is a 15-minute tick test that can detect Lyme disease, priced at $40 per test. It's designed to help people avoid unnecessary doctor visits and antibiotic doses by testing ticks for the disease.

Developers don't understand CORS (2019)

14 toilet 2026-06-21 02:04:19 UTC fosterelli.co Llama Share 4

Web developers often misunderstand how CORS works, leading to security vulnerabilities like the recent Zoom vulnerability, which was caused by bypassing CORS to access a localhost webserver. A secure implementation would involve implementing a REST API with CORS headers and a Content Security Policy to prevent unauthorized access.

SMPTE Makes Its Standards Freely Accessible

237 zdw 2026-06-20 17:04:19 UTC smpte.org Llama Share 64

SMPTE has made its entire Standards catalog freely available to the global media technology community. This move aims to accelerate adoption and implementation, strengthen interoperability, and drive innovation in the industry.

Project Fetch: Phase Two

36 stopachka 2026-06-21 00:04:19 UTC anthropic.com Llama Share 12

Anthropic's Claude model has improved significantly, enabling it to complete tasks 20 times faster than humans without assistance. However, it still struggles with precise robotic control and adapting to new tasks.

UHF X11: X11 Built for VisionOS and Apple Vision Pro

174 zdw 2026-06-20 18:04:19 UTC lispm.net Llama Share 30

visionOS receives X11 calls from clients and vintage machines, opening each top-level window separately. X authority cookies are generated on device and copied to clients for secure connections.

Unauthorized alert sent to cell phones across Brazil

94 zdw 2026-06-20 21:04:19 UTC cnn.com Llama Share 75

Unauthorized alert with "misantropi4" message sent to cell phones in Brazil, suspected to be a hacker attack. Brazilian government is investigating the incident and restoring the National Civil Defense's warning platform.

DOS Game "F-15 Strike Eagle II" reversing project needs DOS test pilots

213 LowLevelMahn 2026-06-20 16:04:19 UTC neuviemeporte.github.io Llama Share 59

The F-15 Strike Eagle 2 reconstruction project has made significant progress, with all C code rewritten and data moved from assembly to C. The project is now open for testing and bug reporting, with the latest release v0.9.1 available for download.

When I reject AI code even if it works

41 vnbrs 2026-06-21 01:04:19 UTC vinibrasil.com Llama Share 18

Using AI for coding generates a large volume of code that requires human review to ensure quality and scalability. Engineers should guide AI coding agents to produce adequate solutions, not rely solely on AI reviews.

CSSQuake

472 msalsas 2026-06-20 11:04:19 UTC cssquake.com Full Share 101

Play Quake in your browser with no install. cssQuake renders the game as inspectable HTML and CSS powered by PolyCSS.

NOLA 'Nacular: One man's crusade to preserve New Orleans's vernacular signage

21 NaOH 2026-06-21 02:04:19 UTC countryroadsmagazine.com Llama Share 2

Anthony DelRosario documents New Orleans' hand-painted signs as a form of vernacular art. His project, Nola 'Nacular, preserves the city's unique voice and culture.

Whole cross-sectional human ultrasound tomography

33 lnyan 2026-06-20 23:04:19 UTC nature.com Llama Share 4

Researchers developed a new system for whole cross-sectional ultrasound tomography, enabling imaging of the entire human cross-section in reflection and transmission modes. This system has potential applications in clinical needs, such as adipose thickness assessment and video-rate biopsy needle localization.

Alice is impatient

62 birdculture 2026-06-20 22:04:19 UTC brooker.co.za Llama Share 17

You're measuring time in requests or outages, but users like Alice and Alex experience time in seconds and minutes, leading to a discrepancy in perceived wait times. This is due to the inspection paradox, where users experience a time-weighted version of the latency distribution, resulting in a higher mean time to recovery than the actual MTTR.

Semiconductor Lifeline Keeps Fighter Jets in the Air

43 rbanffy 2026-06-20 22:04:19 UTC spectrum.ieee.org Llama Share 12

Phoenix Semiconductor repackages off-the-shelf semiconductors to replace unavailable chips for the US Navy and other customers. The company aims to bridge the gap between high-mix, low-volume demand and large chip manufacturers.

PostgresBench: A Reproducible Benchmark for Postgres Services

84 saisrirampur 2026-06-20 19:04:19 UTC clickhouse.com Llama Share 22

A benchmark was created to compare Postgres performance across various services, including AWS RDS, Aurora, and others, using a TPC-B-like workload. The results show that Postgres managed by ClickHouse outperforms others due to its NVMe-backed storage and architecture.

Moving Beyond Fork() + Exec()

8 signa11 2026-06-21 01:04:19 UTC lwn.net Prefix Share 1

Ready to give LWN a try? With a subscription to LWN, you can stay current with what is happening in the Linux and free-software community and take advantage of subscriber-only site features. We are pleased to offer you a free trial subscription, no credit card required, so that you can see for yourself. Please, join us! Since the earliest days of Unix, two of the core process-oriented system ...

Show HN: Make PDFs look scanned (CLI or in the browser via WASM)

95 overflowy 2026-06-20 19:04:19 UTC github.com/overflowy Llama Share 47

make-look-scanned is a CLI and browser tool that degrades PDFs to look like physical scans. It uses Go and a C toolchain for the CLI and PDF.js for the browser build, both with AGPL-3.0 licenses.

Linux eliminates the strncpy API after six years of work, 360 patches

108 simonpure 2026-06-20 21:04:19 UTC phoronix.com Llama Share 80

Linux 7.2 has eliminated the deprecated strncpy API due to bugs and performance issues. It has been replaced with alternative functions like strscpy() and memcpy().

Inference cost at scale with napkin math

64 gmays 2026-06-20 20:04:19 UTC injuly.in Llama Share 14

To estimate the cost of serving AI models, we calculate the dollar cost-per-user based on GPU cluster scale, model architecture, and inference math. With a 32B model on a B200 GPU, we can serve 300 users comfortably, with a lifetime cost of $133 per user or $0.013 per user per hour.

Show HN: StartupWiki – A Free Alternative to Crunchbase

165 shpran 2026-06-20 16:04:19 UTC startupwiki.tech Full Share 55

StartupWiki is a community-driven AI-powered research directory of global startup ventures. Explore AI, Biotech, CleanTech, FinTech and more.

Temporary Cloudflare accounts for AI agents

178 farhadhf 2026-06-20 12:04:19 UTC blog.cloudflare.com Llama Share 97

Cloudflare updated Wrangler to allow agents to deploy code without signing up for an account. Agents can now use the --temporary flag to deploy code instantly, with a 60-minute claim window to make the account permanent.

The Wholesale Plagiarism of Obscure Sorrows

327 ridesisapis 2026-06-20 19:04:19 UTC waxy.org Llama Share 138

A marketing agency, Qontour, created an unauthorized website for The Dictionary of Obscure Sorrows, using AI-generated content and monetizing it with affiliate links. The site outranks the official site in search results, causing confusion over its authorship and potentially damaging the book's reputation.

White House delays US voting-machine vulnerability report

52 logickkk1 2026-06-21 02:04:19 UTC reuters.com Full Share 29

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The rise of South Korea’s weapons business

119 JumpCrisscross 2026-06-20 18:04:19 UTC politico.com Llama Share 44

South Korea's defense industry has grown rapidly, becoming the 9th-largest arms exporter in the world, with a projected combined revenue of $37 billion in 2026. The country's emphasis on speed, affordability, and technology transfer has made it a reliable alternative supplier to European NATO members.

Bun has an open PR adding shared-memory threads to JavaScriptCore

117 gr4vityWall 2026-06-20 18:04:19 UTC github.com/oven-sh Llama Share 223

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