The intracies of modern camera lens repair (2024)

74 transistor-man 2026-06-06 01:04:22 UTC salvagedcircuitry.com Llama Share 15

The user purchased a broken Sigma 45mm f/2.8 lens on eBay for a low price, but it had electrical issues and no electronic controls worked. The user successfully repaired the lens by replacing a blown fuse on the control PCB, which was likely caused by excessive current draw from the lens's motor controller.

pg_durable: Microsoft open sources in-database durable execution

342 coffeemug 2026-06-05 16:04:22 UTC github.com/microsoft Llama Share 80

pg_durable is a PostgreSQL extension that provides durable execution of SQL workflows with automatic checkpointing and resume after crashes or restarts. It allows teams to define workflows in SQL and execute them reliably without external services.

Astronauts told to return to ISS after sheltering over air leak repairs

364 janpot 2026-06-05 15:04:22 UTC bbc.com Llama Share 238

The ISS crew has a plan to split into two groups in case of an emergency, with five crew members in the SpaceX Crew Dragon and two Russian cosmonauts in the Soyuz MS-28 spacecraft. The crew is prepared to leave at a moment's notice, with spacesuits on and engines ready.

How LLMs Work

10 0xkato 2026-06-06 02:04:22 UTC 0xkato.xyz Llama Share 1

Modern LLMs use transformer blocks, tokenization, and embeddings to process text. They apply attention and feed-forward networks to generate text, using residual connections and layer normalization to stabilize the model.

New method turns ocean water into drinking water, without waste

278 speckx 2026-06-05 16:04:22 UTC rochester.edu Llama Share 121

Researchers at the University of Rochester developed a new solar-thermal desalination process that produces fresh water efficiently without leaving behind brine. The technology uses superwicking solar panels to extract nearly 100 percent of salts in solid form, potentially providing an abundant supply of table salt and precious minerals like lithium.

Gemma 4 QAT models: Optimizing compression for mobile and laptop efficiency

286 theanonymousone 2026-06-05 17:04:22 UTC blog.google Llama Share 89

We released Gemma 4 QAT checkpoints to make it more efficient on edge devices and consumer GPUs, reducing memory requirements while preserving quality. The new checkpoints use Quantization-Aware Training to minimize quality loss when compressing models.

Show HN: ABC Classic 100 Rankings visualised

16 gotski 2026-06-06 02:04:22 UTC classic100.gotski.workers.dev Llama Share 11

ABC Classic FM's Classic 100 event tracks listener votes on favourite pieces annually. The Lark Ascending's ranking fluctuated between 2001 and 2021, while La Follia by Vivaldi remains a personal favourite.

Europe's largest Copper Age tomb: children's bones show ancient health crisis

16 gmays 2026-06-06 01:04:22 UTC phys.org Full Share 4

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Mouseless – keyboard-driven control of macOS/Linux/Windows

468 riddley 2026-06-05 12:04:22 UTC mouseless.click Llama Share 198

Mouseless allows for quick cursor control by typing coordinates, reducing strain and pain from repetitive mouse clicks. It provides an efficient solution for effortless cursor control, suitable for those who can't use mice.

Did Claude increase bugs in rsync?

328 logicprog 2026-06-05 13:04:22 UTC alexispurslane.github.io Llama Share 336

The rsync project's use of AI tool Claude led to a heated debate about reliability and maintainability, but analysis shows that the increase in bugs was due to a flood of AI-generated security issues, not Claude itself. The data suggests that the Claude releases are not significantly different from the project's historical distribution, and critics' claims of harm are based on a post-hoc ...

My Agent Skill for Test-Driven Development

140 laxmena 2026-06-05 18:04:22 UTC saturnci.com Llama Share 56

AI agents struggle to write good tests due to poor human examples and bad testing practices. Providing guidance like Kent Beck's Canon TDD or a personal TDD skill can improve test quality.

The Quiet Numbers Station: Decoding Nineteen Years of GPS Cryptography

70 lordgilman 2026-06-05 18:04:22 UTC benthamsgaze.org Llama Share 67

Researchers analyzed 12.16 million GPS observations from 2007 to 2026, finding the "special messages" field contains random data, but with intentional placeholders and shared text strings. The field's purpose and changes over time suggest a global cryptographic network, inviting security researchers to analyze the signals.

Gov.uk has replaced Stripe with Dutch provider Adyen

367 toomuchtodo 2026-06-05 17:04:22 UTC theregister.com Llama Share 130

The UK's GDS has replaced Stripe with Adyen as its payment processor for GOV.UK Pay, a three-year contract worth up to £25.3 million. The change will introduce new payment options and no loss in functionality for users.

Ask HN: What was your "oh shit" moment with GenAI?

191 andrehacker 2026-06-05 17:04:22 UTC news.ycombinator.com Llama Share 423

The user initially dismissed AI models like DALL-E and ChatGPT as parlor tricks but had a series of "Oh shit" moments as they realized the potential of these models to solve real problems and change their approach to development. These moments included using Claude code to generate a Zillow description, building a web tool to sort media files, and using AI to translate code and track down ...

Nordstjernen Web Browser 1.0.0 released

16 andreasrosdal 2026-06-06 00:04:22 UTC github.com/nordstjernen-web Full Share 10

Nordstjernen is a web browser, written from scratch in C, focused on supporting the HTML and CSS standards. License: Nordstjernen Source License v1.0 — use, modify and redistribute freely, except as a competing browser; each release becomes MIT after ten years. See License.md. Commercial licenses by agreement.

Conventional Commits encourages focus on the wrong things

273 jsve 2026-06-05 16:04:22 UTC sumnerevans.com Llama Share 212

The author argues that Conventional Commits is a flawed standard that prioritizes the wrong information in commit messages. It focuses on the type of change rather than the scope, which is more important for developers and end-users.

Transformers are inherently succinct

99 brandonb 2026-06-05 19:04:22 UTC openreview.net Llama Share 30

Transformers can describe certain languages extremely succinctly, being exponentially more succinct than linear temporal logic and recurrent neural networks, and doubly exponentially more succinct than finite automata.

Launch HN: General Instinct (YC P26) – Frontier models on edge devices

46 guanming0717 2026-06-05 17:04:22 UTC news.ycombinator.com Llama Share 14

Guanming and Bill from General Instinct developed a method to compress large AI models for edge hardware, preserving performance and reducing size. They're interested in hearing from people deploying models on robots or edge devices, specifically about the biggest bottlenecks in production.

India's surprise baby bust

143 hakonbogen 2026-06-05 15:04:22 UTC economist.com Llama Share 626

India's school textbooks will now warn of the risks of low birth rates, not high ones, due to global economic threats. This shift reflects a change in India's demographic concerns from overpopulation to underpopulation.

Cooldown Support for Ruby Bundler

147 calyhre 2026-06-05 13:04:22 UTC blog.rubygems.org Llama Share 41

Bundler 4.0.13 introduces cooldown, a time-based filter that refuses to resolve to a version until it has been public for at least N days. This feature is opt-in and complements existing defenses like mandatory 2FA and trusted publishing.

I tested every IP KVM in my Homelab

249 vquemener 2026-06-05 15:04:22 UTC jeffgeerling.com Llama Share 69

The user reviews various IP KVMs, including PiKVM, BliKVM, GL-iNet, NanoKVM, JetKVM, and others, highlighting their features, pros, and cons, and recommending the JetKVM as a good option for its simplicity and value. The user also emphasizes the importance of security and proper setup when using IP KVMs, and notes that the market for these devices is booming with new options and features ...

"Maybe later" was a feature

79 arnorhs 2026-06-05 18:04:22 UTC arnorhs.dev Llama Share 27

The author discusses how not building certain features can be beneficial, allowing teams to prioritize what's truly important. They worry that relying on AI to build features will lead to codebases becoming illegible and overly complex.

Tracing a powerful GNSS interference source over Europe

366 mimorigasaka 2026-06-05 09:04:23 UTC arxiv.org Llama Share 200

A space-based GNSS interference source has caused widespread interference in Europe, Greenland, and Canada since 2019. The source was identified as a constellation of Russian early warning satellites in Molniya orbits.

Aging and Eye Problems

61 speckx 2026-06-05 19:04:23 UTC ldstephens.net Llama Share 28

User experienced unusual vision issues after 50th birthday, seeing double rows on spreadsheets. Using dark mode helps alleviate floaters caused by posterior vitreous detachment in left eye.

C++: The Documentary

383 ingve 2026-06-05 05:04:23 UTC herbsutter.com Llama Share 276

C++: The Documentary premiered on YouTube, showcasing the language's 40-year success story. Key figures like Bjarne, Andrew Koenig, and Herb Sutter contributed to C++'s growth.

The perils of UUID primary keys in SQLite

26 emschwartz 2026-06-06 00:04:23 UTC andersmurphy.com Llama Share 17

Random UUIDs cause extra paging due to unordered nature, leading to performance issues. Using time-ordered UUIDs like UUID7 can improve performance by eliminating re-balancing.

Inside FAISS: Billion-Scale Similarity Search

50 tohms 2026-06-05 18:04:23 UTC fremaconsulting.ch Llama Share 4

FAISS (Facebook AI Similarity Search) is a library for efficient similarity search that uses approximate search methods to speed up search by orders of magnitude while sacrificing a tiny bit of accuracy. It combines Inverted File (IVF) and Product Quantization (PQ) to achieve fast and efficient nearest neighbor search, making it suitable for real-time systems like web-scale retrieval or live ...

Redis 8.8: New array data structure, rate limiter, performance improvements

204 ksec 2026-06-05 11:04:23 UTC redis.io Llama Share 92

Redis 8.8 introduces several new features including arrays, window counter rate limiters, message NACKing, subkey notifications for hash fields, explicit control over JSON numeric array storage, and multiple aggregators in a single time series query. These features improve performance, flexibility, and efficiency for various use cases such as rate limiting, stream processing, and analytics, ...

South Korean forums will need to scan every images with AI censorship tools

229 Cider9986 2026-06-05 05:04:23 UTC discuss.privacyguides.net Llama Share 137

South Korean government requires internet communities to scan user uploads with AI due to regulation changes. Small businesses face financial pressure to buy datacenter-grade Nvidia GPUs to implement the new requirement.

Mantine-datatable (and others) compromised – owner account suspended

62 justsomehuman 2026-06-05 17:04:23 UTC github.com/icflorescu Full Share 24

⚠️ Important Security Notice -- Please Read Hi everyone. I'm Irinel-Ramona, Ionut's wife. I'm posting this on his behalf because his GitHub account has been suspended and he has no way ...