Writing toy software is a joy

802 bundie 2025-06-24 15:09:12 UTC blog.jsbarretto.com Llama Share 310

Building toy programs helps developers remember why they started working with computers, teaches valuable skills, and fosters creativity. By creating simple projects, developers can gain insight into software constraints, learn new concepts, and develop problem-solving skills.

A new PNG spec

639 bluedel 2025-06-24 13:01:17 UTC programmax.net Llama Share 592

PNG image format has regained momentum after 20 years of stagnation with renewed support from major companies and organizations. The new PNG spec includes HDR support, improved interoperability, and better compression, with updates already underway.

Fun with uv and PEP 723

621 deepakjois 2025-06-24 18:41:26 UTC cottongeeks.com Llama Share 224

User was frustrated with Python one-off scripts due to environment setup issues. They now use uv and PEP-723 to run scripts seamlessly.

Man 'refused entry into US' as border control catch him with bald JD Vance meme

562 miles 2025-06-24 18:21:13 UTC dublinlive.ie Llama Share 542

A 21-year-old Norwegian tourist was denied entry to the US and harassed by ICE agents after they found a JD Vance meme on his phone. He was strip-searched, forced to give blood samples and was sent back to Oslo the same day he arrived.

Starship: A minimal, fast, and customizable prompt for any shell

452 benoitg 2025-06-24 11:11:52 UTC starship.rs Llama Share 211

This tool, Starship, works on common shells and OS, offering speed, safety, and customization. To use it, add code to your shell's configuration file, such as PowerShell's Microsoft.PowerShell_profile.ps1 or Nushell's config.

PlasticList – Plastic Levels in Foods

450 homebrewer 2025-06-24 14:18:11 UTC plasticlist.org Full Share 189

Data on plastic chemicals in Bay Area foods

Finding a 27-year-old easter egg in the Power Mac G3 ROM

388 zdw 2025-06-24 13:06:45 UTC downtowndougbrown.com Llama Share 115

The author discovered an Easter egg in the Power Macintosh G3's ROM, a hidden JPEG image of Apple employees. The image was accessed by formatting a RAM disk and typing "secret ROM image" into the format dialog.

Basic Facts about GPUs

338 ibobev 2025-06-24 12:15:12 UTC damek.github.io GoogleT5 Share 78

The roofline model plots a kernel’s achievable performance against its ai. tf32 uses the same 8-bit exponent as fp32 but only has 10-bit mantissa, matching the precision of fp16. for maximum throughput, tensor cores also operate on formats like bf16 and int8. the ridge point is the ai where the two performance ceilings intersect. to maximize data reuse, threads

ChatGPT's enterprise success against Copilot fuels OpenAI/Microsoft rivalry

302 mastermaq 2025-06-24 16:02:02 UTC bloomberg.com Full Share 332

Please make sure your browser supports JavaScript and cookies and that you are not blocking them from loading. For more information you can review our and .

National Archives at College Park, MD, will become a restricted federal facility

299 LastTrain 2025-06-24 21:18:45 UTC archives.gov Llama Share 94

The National Archives at College Park, MD, will become a restricted-access facility on July 7, 2025, for general public. Only US government employees and registered researchers with valid ID can access the building.

The bitter lesson is coming for tokenization

296 todsacerdoti 2025-06-24 14:14:03 UTC lucalp.dev GoogleT5 Share 158

Google's byt5 aims to make a token-free text transformer. it does this by combining byte-level and global models on the same data set, thereby reducing the total number of parameters and inference times - but this isn't going to cut it, says sam taylor, co-author of the paper he cites in the post titled "can we delete? " if the

Ancient X11 scaling technology

283 todsacerdoti 2025-06-24 18:58:32 UTC flak.tedunangst.com Llama Share 253

The user tried to draw a 2-inch circle on different screens using OpenGL and X11, and it worked despite claims that X11 doesn't support DPI scaling. The user found that the issue was with their TV's actual size, not X11's capabilities.

XBOW, an autonomous penetration tester, has reached the top spot on HackerOne

283 summarity 2025-06-24 15:53:12 UTC xbow.com Llama Share 122

An autonomous AI-driven penetration tester, XBOW, reached the top spot on the US HackerOne leaderboard by discovering thousands of validated vulnerabilities in public and private bug bounty programs. XBOW's capabilities include identifying a wide range of vulnerabilities, adapting to edge cases, and developing creative strategies for complex exploitation scenarios.

FICO to incorporate buy-now-pay-later loans into credit scores

278 cebert 2025-06-24 00:03:56 UTC axios.com Llama Share 656

FICO is launching two new credit scores that include BNPL data to provide a more comprehensive view of consumers' credit readiness. Critics argue that BNPL can lead to "phantom debt" and hurt credit scores, but a study showed most consumers with multiple BNPL loans experience higher or unchanged scores.

The NO FAKES act has changed, and it's worse

277 miles 2025-06-24 05:34:24 UTC eff.org Llama Share 122

The NO FAKES Act aims to address concerns about generative AI-created replicas by creating a broad new intellectual property right, but it may harm speech and innovation instead. The bill mandates censorship infrastructure and allows for the unmasking of users based on allegations, potentially stifling innovation and free speech.

Switching Pip to Uv in a Dockerized Flask / Django App

267 tosh 2025-06-24 09:46:27 UTC nickjanetakis.com Llama Share 158

User achieved a 10x speed up by switching to uv and avoiding venv, finding the process painless. They created a pyproject.toml file and used uv commands to manage dependencies and lock files.

Excalidraw+ Is Now SoC 2 Certified

232 gmays 2025-06-24 01:54:12 UTC plus.excalidraw.com Llama Share 78

We got SOC 2 certified to improve security and compliance, making things smoother for everyone. We used Vanta to help us centralize compliance documents and automate security workflows.

Subsecond: A runtime hotpatching engine for Rust hot-reloading

217 varbhat 2025-06-24 18:58:11 UTC docs.rs Llama Share 36

Subsecond is a library for hot-patching Rust applications, allowing code changes without restarting. It uses a jump table to detour function calls and is currently experimental.

Gemini Robotics On-Device brings AI to local robotic devices

214 meetpateltech 2025-06-24 14:05:10 UTC deepmind.google Llama Share 90

Researchers introduced Gemini Robotics On-Device, a powerful VLA model for robots, offering general-purpose dexterity and fast task adaptation. It's optimized for on-device use, ensuring robustness in environments with intermittent or zero connectivity.

How to Think About Time in Programming

191 rmason 2025-06-24 20:01:42 UTC shanrauf.com GoogleT5 Share 80

Timezones are irregular and unpredictable, so it's not always possible to label instants. if the utc offset moves backwards by 1 hour, then one hour of civil datetimes is repeated. this is why a civil day is an ambiguous duration - 86,400 si seconds x 07:00 = 1 day in civil terms. how did humans coordinate on the current date globally (if at all)? and how

SourceHut moves business operations from US to Europe

188 DyslexicAtheist 2025-06-24 12:06:29 UTC lists.sr.ht Llama Share 115

Changes to privacy and terms of service have been made to comply with US law.

iPhone customers upset by Apple Wallet ad pushing F1 movie

186 ewoodrich 2025-06-24 17:51:41 UTC techcrunch.com Llama Share 151

Apple is promoting the F1 film through iPhone users' Wallet app, prompting complaints about unwanted ads. A new iOS 26 beta feature allows users to disable "Offers & Promotions" in Wallet, but it's not available in the current release.

A federal judge sides with Anthropic in lawsuit over training AI on books

182 moose44 2025-06-24 16:22:14 UTC techcrunch.com Llama Share 212

A US judge ruled in favor of Anthropic, a generative AI company, in a lawsuit over fair use of copyrighted materials. The decision may set a precedent for tech companies over creatives, but a trial will determine damages for Anthropic's use of pirated books.

Can your terminal do emojis? How big?

178 dgl 2025-06-24 02:13:02 UTC dgl.cx Llama Share 159

Emojis can be used to create eye-catching output in scripts, but should be used sparingly. A VT100 implementation like PCjs allows for bigger text using DECDHL escapes, which can be combined with Unicode support for creative emoji manipulation.

Microplastics shed by food packaging are contaminating our food, study finds

176 gortok 2025-06-24 10:08:11 UTC cnn.com Llama Share 181

New research found micro- and nanoplastics in food and drinks due to plastic packaging. Repeatedly opening plastic containers and heating food in plastic can increase microplastic migration into food.

Tell HN: Meta developer account suspended

170 ArthurVL1 2025-06-24 06:04:21 UTC news.ycombinator.com Llama Share 78

Meta developer account restricted without warning, possibly due to IP address change after moving from China to Kenya. This restriction is blocking critical operations for a WhatsApp-based accounting tool for African small businesses.

Marble Blast

149 sunday_serif 2025-06-24 00:01:16 UTC marbleblast.vaniverse.io Llama Share 35

The game Marble Blast Gold involves navigating a marble through a cartoon landscape, collecting gems and power-ups to achieve the fastest time. Players control the marble with keyboard and mouse inputs, using power-ups to enhance movement and jumping abilities.

The German automotive industry wants to develop open-source software together

144 smartmic 2025-06-24 20:07:51 UTC vda.de Llama Share 83

11 automotive companies, including BMW and Mercedes-Benz, have agreed to collaborate on open source software development for autonomous driving. The goal is to increase speed, efficiency, and security in software development through a transparent and vendor-independent environment.

Show HN: Oasis – An open-source, 3D-printed smart terrarium

141 jbuch 2025-06-24 14:03:41 UTC github.com/justbuchanan Llama Share 18

Oasis is a 3D-printed smart terrarium for humidity-loving plants with WiFi control. It's open-source, with CAD and electronics designs available, and a kit or assembled electronics can be ordered or assembled by DIYers.

Show HN: Autumn – Open-source infra over Stripe

139 ayushrodrigues 2025-06-24 12:48:48 UTC github.com/useautumn Llama Share 46

Autumn is an open-source layer between Stripe and applications, allowing custom pricing models with a few lines of code. It supports various pricing models, including usage limits, credits, and pay upfront options.

Atuin – Magical Shell History

130 tosh 2025-06-24 09:03:03 UTC atuin.sh Llama Share 70

Atuin is a secure shell history search tool that offers end-to-end encryption and configurable search. It supports importing from various formats and can be used locally or self-hosted with a Rust and SQLite backend.

Nordic Semiconductor Acquires Memfault

129 hasheddan 2025-06-24 15:07:49 UTC nordicsemi.com Llama Share 49

Nordic Semiconductor acquires Memfault Inc to provide a comprehensive platform for connected products. The acquisition simplifies development, accelerates time-to-market, and strengthens security and performance.

Early US Intel assessment suggests strikes on Iran did not destroy nuclear sites

122 jbegley 2025-06-24 19:04:21 UTC cnn.com Llama Share 164

US strikes on Iran's nuclear facilities did not destroy core components, likely only setting back the program by months. Intelligence assessment contradicts President Trump's claims of "obliteration" of Iran's nuclear program.

Berkshire Hathaway Now Pays 5% of All Corporate Income Taxes in America

115 rexbee 2025-06-24 23:35:13 UTC barchart.com Full Share 173

Berkshire Hathaway's $26.8 billion tax payment in 2024 accounted for 5% of all U.S. corporate income tax, marking a dramatic reversal from its tax-free history six decades ago.

A Mysterious Website I Stumbled Upon

108 _Yguy_ 2025-06-24 10:33:24 UTC sbnation.com Llama Share 24

The NFL needs to change due to declining youth participation and health concerns. The league has taken action in response to clinical studies.

The economics behind "Basic Economy" – A masterclass in price discrimination

106 bdev12345 2025-06-24 19:55:53 UTC blog.getjetback.com GoogleT5 Share 154

Delta, united and jetblue have introduced basic economy fares. aaron carroll: airlines use price discrimination like basic economy to win back goodwill - and customers if they want to pay more, they must do it shrewdly." he says airlines should be careful to avoid misleading consumers and limiting competition based on ambiguous effects of pricing compared to other tiers of travel, such as premium

Solving LinkedIn Queens Using Haskell

99 agnishom 2025-06-24 07:29:08 UTC imiron.io Llama Share 46

The user describes a Haskell solution to the N-Queens problem using a backtracking approach with various optimizations, including marking eliminated cells and tracking strategies to reduce backtracking. The solution is compared to using SMT solvers and is found to be orders of magnitude faster, with the ability to solve puzzles of size up to 11 in a reasonable time.

Circular Microcomputers embedded and powered by repurposed smartphone components

92 Bluestein 2025-06-24 10:10:42 UTC citronics.eu Llama Share 24

Citronics transforms retired smartphones into tiny embedded computers for industrial use, powering various products and applications. Companies like Destore, UCLouvain, and Karno use Citronics to create sustainable computing solutions for monitoring, control, and digital experiences.

New Firefox Add-On Policies

90 ReadCarlBarks 2025-06-24 14:59:38 UTC blog.mozilla.org Llama Share 37

Mozilla updated AMO policies to simplify and clarify rules for developers. Changes include allowing closed group extensions, clarifying data transmission policies, and easing review requirements.

The United States has lower life expectancy than most similarly wealthy nations

90 rntn 2025-06-24 14:30:50 UTC nature.com Llama Share 103

Robert F Kennedy Jr has made radical changes as US health official, cutting workforce and funding, and replacing vaccine advisory committee members. His mission is to "Make America Healthy Again" by addressing chronic disease, but experts say he ignores other leading causes of death and promotes misinformation.

Retrieval Augmented Generation Based on SQLite

86 emzo 2025-06-24 09:11:32 UTC github.com/ggozad Llama Share 10

haiku.rag supports various embedding providers and file formats, including PDF, DOCX, and HTML. It also includes a CLI application and a Model Context Protocol (MCP) server for managing documents and performing searches.

Show HN: Comparator - I built a free, open-source app to compare job offers

83 MediumD 2025-06-24 00:00:47 UTC comparator-one.vercel.app Full Share 42

Harvard hired researcher to uncover slavery ties, fires him for finding slaves

82 ryan_j_naughton 2025-06-24 05:24:55 UTC theguardian.com Llama Share 95

Jordan Lloyd, a 35-year-old screenwriter, discovered she was a descendant of enslaved people through an email from Harvard University researcher Carissa Chen. Lloyd's ancestors were enslaved by the Royall family, who owned a plantation in Antigua and had ties to Harvard.

Central Park hits temp record last seen in 1888

74 geox 2025-06-24 10:57:51 UTC cnn.com Llama Share 83

A severe heat wave is affecting the eastern US, with temperatures 15-20 degrees above normal, breaking records and putting tens of millions at risk. Over 150 million people are under heat alerts, with extreme heat risk in place through Thursday.

US safety regulators contact Tesla over erratic robotaxis

72 ZeljkoS 2025-06-24 15:52:07 UTC bbc.com Llama Share 92

NHTSA is investigating Tesla's driverless cars after social media footage showed them breaking traffic laws in Austin, Texas. Tesla's robotaxis are limited to 12 vehicles and won't operate in bad weather or carry customers under 18.

Breakthrough cancer test predicts whether chemotherapy will work

72 bdev12345 2025-06-24 02:11:03 UTC telegraph.co.uk Llama Share 18

Researchers at the University of Cambridge developed a test to predict chemotherapy success in cancer patients. The test can identify patients likely to resist treatment, avoiding unnecessary side effects and improving treatment outcomes.

Microsoft's big lie: Your computer is fine, and you don't need to buy a new one

67 FlipperPA 2025-06-24 12:21:51 UTC technical.ly Llama Share 154

Microsoft is aggressively pushing users to upgrade to Windows 11, claiming older computers will become unusable, but this is not true. Many computers bought in 2015 can still run an operating system, web browser, email, and office suite without feeling slow.

Mid-sized cities outperform major metros at turning economic growth into patents

57 guardianbob 2025-06-24 23:26:19 UTC governance.fyi Llama Share 38

Researchers Federica Coelli and Paul Pelzl found that smaller urban areas innovate effectively when economies improve. Their study shows that prosperity boosts productivity and patent output across diverse regions, particularly in mid-sized cities.

SFStreets: History of San Francisco place names

56 jxmorris12 2025-06-24 16:52:05 UTC sfstreets.noahveltman.com Full Share 24

Click on any highlighted street or landmark to learn the history behind the name. Use the options in the lower-right corner to search or filter by theme.

Show HN: Do you know RGB?

55 maxwellito 2025-06-24 08:19:49 UTC maxwellito.github.io Full Share 40

20 questions to test your RGB knowledge. How far can you go?

Real-world performance comparison of ebtree/cebtree/rbtree

51 misonic 2025-06-24 00:27:51 UTC wtarreau.blogspot.com Llama Share 4

The performance of various tree data structures (ebtree, cebtree, rbtree) was compared for different key types and distributions, showing that ebtree is generally the best choice for well-distributed keys. However, for poorly distributed keys, hashing the keys before indexing can improve performance, and compact trees can be a good option for small keys with rare removals.

Show HN: VSCan - Detect Malicious VSCode Extensions

50 shadow-ninja 2025-06-24 22:32:54 UTC vscan.dev Full Share 27

Nvidia's RTX 5050 GPU starts at $249 with last-gen GDDR6 VRAM

50 microsoftedging 2025-06-24 16:57:51 UTC theverge.com Llama Share 77

Nvidia announced GeForce RTX 5050 GPUs for desktops and laptops with ray tracing and DLSS 4 support. The RTX 5050 will start at $249 for desktops and $999 for laptops, with expected shipments in July.

VA Tech scientists are building a better fog harp

49 PaulHoule 2025-06-24 00:33:00 UTC arstechnica.com Llama Share 27

Scientists at Virginia Tech created an improved fog harp design to address clogging issues in fog harvesting devices. The hybrid fog harp combines elements of traditional mesh and the original fog harp, increasing efficiency by a factor of two to eight compared to other designs.

Airbnb and Vrbo are going downhill like a hippo on a water slide

43 diogenes_atx 2025-06-24 16:13:56 UTC washingtonpost.com Full Share 77

My "Are you presuming most people are stupid?" test

39 jger15 2025-06-24 18:31:15 UTC andymasley.substack.com Llama Share 131

The user proposes a test to evaluate claims about society, where if a claim implies most people are incredibly stupid, it should be dismissed. This test, called the "Are you presuming most people are stupid?" test, aims to promote a more realistic understanding of people's abilities and behaviors in everyday life.

Analyzing a Critique of the AI 2027 Timeline Forecasts

38 jsnider3 2025-06-24 19:44:53 UTC thezvi.substack.com GoogleT5 Share 61

A critique of the timelines component of ai 2027, by the lessswrong user and substack writer titotal, was posted on the internet. i think it's pretty bad, and not to mince words, it needs to be reworked, says scott wilson of cnn.com. the article is huge, so i focused on one section alone: their ‘timelines forecast’ code

Biocide overdose blunder suspected in A321 dual-engine incident (2020)

34 worik 2025-06-24 20:05:21 UTC flightglobal.com Llama Share 10

UK investigators found a maintenance engineer mistakenly overdosed an Airbus A321's fuel system with biocide due to a measurement misunderstanding. The error may be connected to subsequent engine problems that caused a serious incident during a crew-only ferry flight.

Bridging Cinematic Principles and Generative AI for Automated Film Generation

34 jag729 2025-06-24 18:55:14 UTC arxiv.org Llama Share 7

FilMaster is an AI system that generates professional-grade films by learning cinematic principles from real-world data and emulating post-production workflows. It outperforms existing systems in camera language design and cinematic rhythm control, as shown in extensive experiments.

Microsoft confirms Windows 11 automatic deletions of System Restore points

31 nreece 2025-06-24 05:21:48 UTC forbes.com Llama Share 18

Microsoft's Windows 11 creates System Restore points that expire after 60 days, requiring users to create regular points to protect their data. This limitation may be a drawback for users moving from Windows 10, but features like Recall and increased productivity make Windows 11 an attractive upgrade.

A New Kind of Computer (April 2025)

31 gkolli 2025-06-24 03:27:48 UTC lightmatter.co Llama Share 15

Lightmatter's breakthrough photonic AI acceleration research addresses the challenge of interconnecting millions of chips, enabling a new era of computing. Their photonic processor achieves high precision and efficiency, marking a significant milestone for photonic computing and a viable alternative to traditional electronics.

YouTube star Mikayla Raines dies by suicide, and her husband blames online abuse

24 amrrs 2025-06-24 17:47:34 UTC nbcnews.com Llama Share 10

Mikayla Raines, a 29-year-old animal rescue activist, died by suicide after struggling with mental health issues and online criticism. Her husband plans to continue her work at SaveAFox Rescue, a nonprofit organization she founded to rescue foxes.

Marijuana is associated with higher risk of heart attack and stroke

23 paulpauper 2025-06-24 00:52:12 UTC nytimes.com Full Share 16

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Post-Attack Assessment of First 12 Days of Israeli Strikes on Iran Nuclear

21 pinewurst 2025-06-24 23:26:32 UTC isis-online.org GoogleT5 Share 14

A report by the institute for science and international security examines the operation. it says the attack on the uranium enrichment plant was targeted at two points of vulnerability - iran's nuclear program was severely damaged if not completely destroyed, the report says based on satellite imagery 'more damage likely occurred in the initial attack' u.s. attacked the site with tomahawk ...

Newborns have elevated levels of a biomarker for Alzheimer's

20 pseudolus 2025-06-24 13:30:37 UTC medicalxpress.com Llama Share 6

Newborn babies and Alzheimer's patients share an unexpected trait: elevated levels of a protein called phosphorylated tau. This protein has a different role in newborns, supporting healthy brain development, than in Alzheimer's patients, where it's associated with brain damage.

4Real-Video-V2: Feedforward Reconstruction for 4D Scene Generation

19 lnyan 2025-06-24 16:35:33 UTC snap-research.github.io Llama Share 1

4Real-Video-V2 uses a 4D video diffusion model with sparse attention for scalable and efficient video generation. It offers good generalization and is easily trainable with large pre-trained video models.

Glass nanostructures reflect nearly all visible light, challenging assumptions

19 bookofjoe 2025-06-24 12:23:48 UTC phys.org Llama Share 3

A research team at SUTD created nanoscale glass structures with near-perfect reflectance, challenging long-held assumptions in photonics. Their breakthrough uses a new material called Glass-Nano, enabling 3D printing of glass structures with nanoscale precision and high reflectance.

Authors get bad reviews on Goodreads before review copies are even circulated

14 ilamont 2025-06-24 21:42:27 UTC thebookseller.com Llama Share 4

Several authors including Jo Furniss, Milly Johnson, Kathryn Whitfield, and Leonie Mack claim Goodreads failed to protect them from negative reviews before their books were released. Goodreads has a code of conduct to prevent fake reviews or harassment but its effectiveness is disputed.

Reinforcement learning, explained with a minimum of math and jargon

14 JnBrymn 2025-06-24 14:29:59 UTC understandingai.org GoogleT5 Share 0

John sutter: reinforcement learning is the most important ai trend of 2025. he says it can be used for everything from self-driving cars to robotic surgery. it's a technique called "reinforcement learning from human feedback" researchers from google and several universities used it to train claude 3.5 sonnet ii in december 2022. the new technology could be rolled out in the next few years, smith says

bootc-image-builder: Build your entire OS from a Containerfile

13 twelvenmonkeys 2025-06-24 15:01:07 UTC github.com/osbuild Llama Share 0

The bootc-image-builder creates disk images from bootc container inputs, especially for Fedora/CentOS bootc or derivatives, using podman and qemu. It supports various image types, including QCOW2, AMI, and ISO, and allows customization of user access, filesystems, and kickstart scripts.

Show HN: I built Hispi, an app to design custom jewellery

12 camjw 2025-06-24 13:38:17 UTC hispi.app Full Share 12

Bespoke rings, designed by you.