Tell HN: I'm 60 years old. Claude Code has re-ignited a passion

You're retiring but still passionate about coding, recalling your early days with Active Server Pages and VB6. Claude Code is reigniting that excitement and drive.

LLMs work best when the user defines their acceptance criteria first

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The author discusses the limitations of using Large Language Models (LLMs) in coding, citing two case studies where LLM-generated code failed to meet performance expectations due to a lack of understanding of the underlying system. The author argues that LLMs can produce plausible but incorrect code, and that developers should define specific acceptance criteria to ensure correctness, rather ...

Uploading Pirated Books via BitTorrent Qualifies as Fair Use, Meta Argues

https://torrentfreak.com/images/meta-logo-1-600x383.png
Meta is defending itself against a class-action lawsuit by arguing that using pirated books to train its LLM qualifies as fair use, and that uploading pirated books to other users via BitTorrent is also fair use due to the protocol's inherent nature. The company claims that its use of BitTorrent was necessary to obtain the valuable data, and that the authors' own admissions undermine their ...

Ki Editor - an editor that operates on the AST

Bridge the gap between coding intent and action: manipulate syntax structures directly, avoiding mouse or keyboard gymnastics. Amplify your coding efficiency: wield multiple cursors for parallel syntax node operations, revolutionizing bulk edits and refactoring. Selection Modes standardize movements across words, lines, syntax nodes, and more, offering unprecedented flexibility and consistency.

UUID package coming to Go standard library

https://opengraph.githubassets.com/3aa77ddf235ddf477c8efefb6f7624a0c73120905c104c1d82d288ed526520bc/golang/go/issues/62026
A package to generate and parse UUID versions 3, 4, and 5 should be added to the Go standard library due to its widespread use in third-party packages. This addition would make Go more consistent with other languages, as it currently stands out for lacking built-in UUID support.

A decade of Docker containers

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Effort to prevent government officials from engaging in prediction markets

https://www.merkley.senate.gov/wp-content/uploads/2023/02/Group-96@2x.png
US Senators Jeff Merkley and Amy Klobuchar introduced the End Prediction Market Corruption Act to ban government officials from trading event contracts. The bill aims to prevent insider trading and maintain public trust in government officials.

The yoghurt delivery women combatting loneliness in Japan

https://ichef.bbci.co.uk/images/ic/480xn/p0n451bl.jpg.webp
In Japan, a network of women delivering probiotic milk drinks, known as Yakult Ladies, has become a vital source of connection and care for the elderly. These women, who are often self-employed, offer a lifeline of human connection and help reduce loneliness in a rapidly ageing population.

US economy sheds 92,000 jobs in February in sharp slide

https://images.ft.com/v3/image/raw/https%3A%2F%2Fd1e00ek4ebabms.cloudfront.net%2Fproduction%2F8aae9995-c3e4-42c9-9a82-7e3feabe80bd.png?source=next-barrier-page
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QGIS 4.0

War prediction markets are a national-security threat

https://cdn.theatlantic.com/thumbor/UgW8R7wxWlecd_286AJaJWz7PLc=/0x0:2000x1125/960x540/media/img/mt/2026/03/2026_03_06_Polymarket_mpg/original.jpg
A Polymarket user made a $20,000 bet that Iranian leader Ayatollah Ali Khamenei would be out of power by March, netting a $120,000 profit. This raises concerns about insider trading and potential national-security threats from prediction markets.

Put the zip code first

https://zipcodefirst.com/og.png
The user criticizes address forms that require typing street address, city, state, and country before using the ZIP code for autofill, which is unnecessary and inefficient. They suggest putting the ZIP code first and using a free API to autofill city, state, and country for a better user experience.

FLASH radiotherapy's bold approach to cancer treatment

https://spectrum.ieee.org/media-library/photo-of-a-man-in-a-lab-coat-adjusting-a-large-piece-of-medical-equipment-thats-pointed-at-the-head-of-a-partial-mannequin.jpg?id=65111419&width=1200&height=913
Physicists at CERN and other labs are developing FLASH radiotherapy, a new cancer treatment that delivers high doses of radiation in a short burst, reducing damage to healthy tissue. Researchers are refining the technology and expect it to become a routine clinical option in about 10 years, potentially transforming cancer care worldwide.

Tinnitus Is Connected to Sleep

https://www.sciencealert.com/images/2022/05/ear-pain-older-man-holding-hand-to-ear-642x361.jpg
Researchers at Oxford University found a link between tinnitus and sleep, suggesting that deep sleep may temporarily mask tinnitus effects. They propose that sleep could be a therapeutic target to treat tinnitus, which affects 15% of the world's population.

Files are the interface humans and agents interact with

https://avatars.githubusercontent.com/u/25641936?v=4
The author, a former vector database company employee, notes a shift in the AI ecosystem towards using filesystems for context and memory, citing various companies and researchers adopting this approach.

Sarvam 105B, the first competitive Indian open source LLM

https://assets.sarvam.ai/tr:f-auto/images/03117ysv/production/ef7fefef0603837a95a8ad4547cb5def4818dbe9-2016x1260.png?w=1200

CasNum

https://repository-images.githubusercontent.com/1155292460/c3a16c6c-63b3-4762-9a3b-9c86b22e748b
CasNum is a library implementing arbitrary precision arithmetic using compass and straightedge constructions, integrating with a modified Game Boy emulator. It features a viewer showing geometric constructions and allows running games like Pokémon Red using only compass and straightedge operations.

Boy I was wrong about the Fediverse

https://images.unsplash.com/photo-1738052686450-8dd6d8150f67?crop=entropy&cs=tinysrgb&fit=max&fm=jpg&ixid=M3wxMTc3M3wwfDF8c2VhcmNofDF8fGZlZGl2ZXJzZXxlbnwwfHx8fDE3NzE4NDMwMzZ8MA&ixlib=rb-4.1.0&q=80&w=2000
The author moved to Mastodon due to Twitter's issues and found a reliable source of information in the Fediverse, where people share trustworthy content without engagement metrics. The author appreciates the Fediverse's simplicity and honesty, where people share their knowledge without commercial interests.

PC processors entered the Gigahertz era today in the year 2000 with AMD's Athlon

https://cdn.mos.cms.futurecdn.net/sQi7eEM4HyMv9nVqhPNjim.jpg
You want to receive news and offers from Future brands and partners. AMD shipped its 1 GHz Athlon CPU in 2000, beating Intel to the gigahertz milestone.

Training students to prove they're not robots is pushing them to use more AI

https://www.techdirt.com/wp-content/uploads/2024/03/ctrl-alt-speech-logo.png
A school's AI detection tool flagged a student's essay as 18% AI written due to the word "devoid," but the score dropped to 0% when the word was replaced with "without." This incident highlights how AI detection tools can stifle creativity and good writing, pushing students toward mediocrity.

Show HN: µJS, a 5KB alternative to Htmx and Turbo with zero dependencies

https://static.digicreon.com/0.2.0/mujs/favicon-1024x1024.png
JS intercepts link clicks and form submissions, fetching new pages in the background and replacing only changed content. Adding a single script tag and calling mu.init() enables instant AJAX navigation on any existing site.

Palantir and Anthropic AI helped the US hit 1k Iran targets in 24 hours

https://images.moneycontrol.com/static-mcnews/2025/07/20250711062638_Pentagon-headquarters-AFP-photo.jpg
US military used Palantir's Maven AI with Anthropic's Claude to prioritize targets during Iran strikes. Pentagon relied on Palantir's Maven system with Claude AI for target generation and prioritization.

$3T flows through U.S. nonprofits every year

The US nonprofit sector handles $3 trillion annually, but a lack of transparency and accountability makes it difficult for donors to see where their money goes, with only 8 cents of every dollar showing up as direct aid and grants. The current system relies on a 12-18 month delayed tax form, making it hard for donors to trust charities, and a solution is needed to provide clear financial ...

Show HN: ANSI-Saver – A macOS Screensaver

https://raw.githubusercontent.com/lardissone/ansi-saver/main/docs/screenshot-preview.jpg
AnsiSaver is a screensaver that displays ANSI/ASCII art from 16colo.rs, a large online archive. It features customizable scroll speed and render scale, and can be configured to display art from local folders or online packs.

Show HN: Kula – Lightweight, self-contained Linux server monitoring tool

https://private-user-images.githubusercontent.com/6292788/557097177-77d5850a-c3a4-47fe-b33e-dcaeeb3c8e4d.png?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.bh6unrtXnwabMbZUjTRzGO-hDAg6ngaJ0bU2WJmTGCw
Kula is a system metrics collector and real-time dashboard that stores data in a tiered ring-buffer and serves it through a Web UI and terminal TUI. It uses Argon2id hashing for authentication and has a customizable configuration file.

Verification debt: the hidden cost of AI-generated code

https://miro.medium.com/v2/resize:fit:1200/1*Q1oyfX-j_NP3cVEOXzmizA.png
The author reflects on how AI has changed software engineering, making it more productive but also introducing verification debt and the need for human judgment to review AI-generated code. As AI becomes more integrated into the development process, the bottleneck shifts from coding to reviewing and making judgment calls, requiring engineers to think critically and understand the domain.

LLM Writing Tropes.md

A single file containing AI writing tropes was created to help AI assistants avoid common patterns in writing, such as overused adverbs, grandiose nouns, and false suspense transitions. The file lists various tropes to avoid, including negative parallelism, superficial analyses, and invented concept labels, to help AI writers produce more human-like and engaging content.

I resigned from OpenAI

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Tech jobs are getting demolished in ways not seen since 2008

https://i.insider.com/69ab1479d3e2f1aef36a23f3?width=700
The US tech sector has experienced a significant job loss, with a rapid rate of decline not seen in 20 years, surpassing past downturns in 2008 and 2020. Economists attribute the losses to AI, with some jobs being replaced and others being eliminated due to automation.

The Banality of Surveillance

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The author discusses how data is often secure not because it's well-protected, but because it's tedious to work with. AI can now easily analyze and combine scattered data, making it a threat to our privacy.

LLM Doesn't Write Correct Code. It Writes Plausible Code

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AI Error May Have Contributed to Girl's School Bombing in Iran

https://thisweekinworcester.com/wp-content/uploads/2020/02/radio-worcester-button.png
US military is investigating a missile strike on an Iranian school that may have been caused by AI error, with 150 students reportedly killed. The Pentagon is looking into whether the US military intentionally targeted the school or if AI misidentified the location.

Does Apple‘s M5 Max Really “Destroy” a 96-Core Threadripper?

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Ecuador criticizes Tom's Hardware for using Geekbench 6 multi-core scores to compare 18-core Apple M5 Max and 96-core Ryzen Threadripper, citing poor scaling beyond 4-8 cores. This is seen as sensational and inappropriate benchmarking.

The Case of the Disappearing Secretary

https://substackcdn.com/image/fetch/$s_!sokQ!,w_1456,c_limit,f_auto,q_auto:good,fl_progressive:steep/https%3A%2F%2Fsubstack-post-media.s3.amazonaws.com%2Fpublic%2Fimages%2Fe6f0100e-accf-4e6c-9495-d279caef50a2_760x471.heic
Automation has reshaped jobs throughout history, with secretaries being a prime example of a profession that has evolved significantly. The shift from secretaries to AI may rebundle the interface, turning everyone into accidental managers with new responsibilities.

AI and the Illegal War

https://assets.buttondown.email/images/7c421373-5b57-42c9-a8c5-20ea2c961bb9.png?w=960&fit=max
The US and Israel launched a war in Iran without Congressional approval, using an AI tool called Claude to identify and prioritize targets, resulting in the deaths of nearly 200 girls and teachers. The war's backers, including Amazon's Jeff Bezos, are promoting Claude as a "precise" technology while ignoring its role in civilian casualties and the AI's lack of economic benefits.

Can a wealthy family change the course of a deadly brain disease?

German police probe student poster slur against Merz

An 18-year-old student in Berlin is being investigated for defaming Chancellor Friedrich Merz with a provocative poster during a student protest against military service. The student allegedly used a derogatory slogan against Merz, prompting police to launch an investigation under Germany's defamation laws.

The stagnancy of publishing and the disappearance of the midlist

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The publishing industry has become stagnant with big publishers relying on proven formulas and authors, resulting in a lack of variety and risk-taking. This stagnancy is due to consolidation, with the Big Five controlling over 80% of the trade publishing market, leading to a focus on bestsellers and a decline in midlist writers.

Why New Zealand is seeing an exodus of over-30s

https://media.cnn.com/api/v1/images/stellar/prod/gettyimages-1227821899.jpg?c=original&q=w_860,c_fill
New Zealanders are emigrating in record numbers due to a stagnant economy and high living costs. Many are moving to Australia for better job opportunities and a higher quality of life.

The surprising whimsy of the Time Zone Database

https://muddy.jprs.me/media/20260306-203048.png
The author learned to handle time zones by using the IANA Time Zone Database, a resource built by others, rather than writing custom code. The database contains a rich history of time zone changes and whimsical comments.

Addicted to Claude Code–Help

You're addicted to Claude Code, spending excessive time exploring ideas with data, and worry about time use. You're building a valuable mental model of how to use it, but may need to set boundaries in three months.

Claude AI Helped Bomb Iran. But How Exactly?

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Game about Data of America

Which job employs more people?

Why developers using AI are working longer hours

https://static.scientificamerican.com/dam/m/29f9eb307605e45b/original/Guy-working-late-at-his-computer.jpg?m=1772548283.365&w=600
AI has boosted productivity in software engineering, but also increased pressure to work faster and longer, potentially leading to burnout. Developers still need to verify and fix AI-generated code, and overreliance on AI may hinder skill development and professional growth.

Autoresearch: Agents researching on single-GPU nanochat training automatically

https://raw.githubusercontent.com/karpathy/autoresearch/master/progress.png
A researcher, @karpathy, created a project to let AI agents experiment autonomously with a simplified LLM training setup, modifying code and training for 5 minutes at a time. The project uses a single file, train.py, which the agent edits, and a program.md file that humans edit to set up the research org.

xAI loses bid to halt California AI data disclosure law

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Ask HN: Would you use a job board where every listing is verified?

A verified job board may not be enough to solve the problem of online job scams as it doesn't address the issue of ghost jobs and companies listing fake openings. A more useful job board would provide deeper verification of job postings and offer additional features such as filtering companies, salary transparency, and information about tech stack and engineering practices.

Moving from Python to Mojo

https://docs.modular.com/images/mojo-metadata.png
Mojo is a statically typed language that combines Python's readability with performance inspired by systems languages. It introduces a type system, ownership-aware semantics, and low-level control.