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Stop writing CLI validation. Parse it right the first time

news.ycombinator.com Unknown 2025-10-12 09:20:26

I have this bad habit. When something annoys me enough times, I end up building a library for it. This time, it was CLI validation code. See, I spend a lot of time reading other people's code. Open source projects, work stuff, random GitHub repos I stumble upon at 2 AM. And I kept noticing this thing: every CLI tool has the same ugly validation code tucked away somewhere. You know the kind: if ( ! opts . server && opts . port ) { throw new Error ( " --port requires --server flag " ); } if ( op

Topics: const just option opts port

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Stop Shipping PNGs in Your Games

news.ycombinator.com Unknown 2025-10-12 11:37:16

Are you shipping textures to players as PNGs? The goal of this post is to convince you that this is suboptimal, and walk you through a better approach. I’ll also share my implementation of the suggested approach, but if you’d rather do it yourself I’ll also provide you with the information you need to get started. If you’re using a game engine, it is almost certainly doing what this post suggests automatically, but it doesn’t hurt to double check! What’s wrong with PNGs? source PNGs are great f

Topics: compression formats image pngs texture

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A Navajo weaving of an integrated circuit: the 555 timer

news.ycombinator.com Unknown 2025-10-12 11:57:27

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Topics: email new posts subscribe

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Today's NYT Strands Hints, Answers and Help for Sept. 7 #553

cnet.com See Full Bio 2025-10-12 11:00:05

Looking for the most recent Strands answer? Click here for our daily Strands hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle, Connections and Connections: Sports Edition puzzles. Today's NYT Strands puzzle might be tough if you're not familiar with this particular ritual and celebration. If you need hints and answers, read on. I go into depth about the rules for Strands in this story. If you're looking for today's Wordle, Connections and Mini Crossw

Topics: hints puzzle strands today words

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Dare to Stream These 11 Great Horror Movies on Prime Video

cnet.com See Full Bio 2025-10-12 10:00:04

Coherence is a huge favorite here at CNET and it's a terrifying watch. Not necessarily in the traditional, gory, horrific sense but more in terms of the concepts. It's a multiverse movie released before multiverses were cool and is not what you expect. Coherence is the kind of movie you'll finish and immediately rewatch to try to rewire your brain. It's a fantastic achievement and a must watch.

Topics: achievement coherence concepts movie watch

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Scientists Boast That Their AI-Powered Stethoscope Only Fails Two-Thirds of the Time

futurism.com Unknown 2025-10-12 10:00:25

A team of researchers in the UK say their AI-powered stethoscope can detect three different heart conditions in just 15 seconds. It's also, they readily admit, horrendously inaccurate. Placed over the chest, the "smart" gizmo analyzes the rhythms of the heartbeat and blood flow that're undetectable to the human ear, while also performing a quick electrocardiogram, or ECG, which is a test that gauges your heart's electrical activity. Then, all that info is packaged and sent "securely" to the c

Topics: ai heart patients researchers stethoscope

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The maths you need to start understanding LLMs

news.ycombinator.com Unknown 2025-10-09 00:10:47

The maths you need to start understanding LLMs Actually coming up with ideas like GPT-based LLMs and doing serious AI research requires serious maths. But the good news is that if you just want to understand how they work, while it does require some maths, if you studied it at high-school at any time since the 1960s, you did all of the groundwork then: vectors, matrices, and so on. One thing to note -- what I'm covering here is what you need to know to understand inference -- that is, using an

Topics: dimensional matrix points space vector

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Meschers: Geometry Processing of Impossible Objects

news.ycombinator.com Ana Dodik 2025-10-09 03:09:50

Meschers: Geometry Processing of Impossible Objects Fig. 1. The mescher is a geometry representation that allows rendering and relighting impossible objects (left), as well as performing intrinsic geometry processing operations like heat diffusion (center) and geodesic distance queries (right). Abstract Impossible objects, geometric constructions that humans can perceive but that cannot exist in real life, have been a topic of intrigue in visual arts, perception, and graphics, yet no satisfyin

Topics: geometry impossible meschers objects representation

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Galaxy S26 Edge renders show the iPhone 17-like design, corroborate Qi2 magnets [Gallery]

9to5mac.com Ben Schoon 2025-10-12 15:14:40

Following an early leak yesterday, a new set of renders has essentially confirmed that the Galaxy S26 Edge will look a lot like Apple’s next iPhone, while apparently also adding Qi2 magnets. Images created by @OnLeaks for Android Headlines show what the Galaxy S26 Edge will look like, based on CAD files used for making accessories for the device. The renders show a device with a drastically different design that includes a full-width camera module, but only two cameras mounted on the far left s

Topics: edge galaxy like magnets s26

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The 7 coolest gadgets I've seen at IFA 2025 (including ones you can actually buy)

zdnet.com Maria Diaz 2025-10-12 21:48:00

Maria Diaz/ZDNET Follow ZDNET: Add us as a preferred source on Google. IFA is Europe's largest consumer electronics show, and this year is no different. IFA 2025 features some of the most eye-catching innovations ever, so much so that it's hard to narrow down the list of amazing products. However, at a time when the tech world is saturated with artificial intelligence (AI) adoption, I found it refreshing that the best products I've seen don't hinge on AI. As I walk through the halls of Messe

Topics: diaz hue lights robot zdnet

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Trump’s New Labor Stats Guy is a Jan 6 ‘Bystander’ Accused of Unhinged Posts

gizmodo.com Lucas Ropek 2025-10-12 23:05:16

President Trump recently fired Erika McEntarfer, the head of the Bureau of Labor Statistics, accusing her of having “rigged” job reports. In her place, Trump has selected E.J. Antoni, a former Heritage Foundation economist who was photographed at the January 6th debacle (but who claims he was just a “bystander” to the chaos) and who, according to reports from CNN and Wired, formerly ran a Twitter account that posted all sorts of gnarly stuff. Earlier this month, Wired reported that a since-dele

Topics: account antoni posted reports trump

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Broadcom stock jumps 9% on new $10 billion customer that analysts say is OpenAI

cnbc.com Ari Levy 2025-10-13 03:03:41

Analysts at Mizuho, Cantor Fitzgerald and KeyBanc all said they think AI startup OpenAI is the customer. The Financial Times reported on Thursday, citing people familiar with the partnership, that the two companies co-designed a chip that will hit the market next year. "One of these prospects released production orders to Broadcom, and we have accordingly characterized them as a qualified customer for XPUs," Tan said. He added that the order increased Broadcom's forecast for AI revenue next yea

Topics: analysts billion broadcom revenue year

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Today's Wordle Hints, Answer and Help for Sept. 6, #1540

cnet.com See Full Bio 2025-10-13 03:00:04

Looking for the most recent Wordle answer? Click here for today's Wordle hints, as well as our daily answers and hints for The New York Times Mini Crossword, Connections, Connections: Sports Edition and Strands puzzles. Today's Wordle puzzle is a pretty tough one. I rarely guess the first letter, and I don't often guess the fourth letter in the word, either. If you need a new starter word, check out our list of which letters show up the most in English words. If you need hints and the answer, r

Topics: answer hint hints today wordle

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Today's NYT Connections: Sports Edition Hints and Answers for Sept. 6, #348

cnet.com See Full Bio 2025-10-13 03:00:05

Looking for the most recent regular Connections answers? Click here for today's Connections hints, as well as our daily answers and hints for The New York Times Mini Crossword, Wordle and Strands puzzles. Today's Connections: Sports Edition was a stumper. But if you play cards, the green group is a fun one for sure. If you're struggling but still want to solve it, read on for hints and the answers. Connections: Sports Edition is published by The Athletic, the subscription-based sports journali

Topics: answers connections group sports today

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Meta is fixing threads on Threads

engadget.com Unknown 2025-10-13 07:01:23

Meta is finally fixing how threads work on its social network Threads. Prior to this, there was no real way to know how long a thread was or even if a post was part of a longer discussion. The company has made "several changes that display threaded posts more clearly." These include a new "view more" label that indicates a post is part of a longer thread. This is an easy way to instantly know if someone's thoughts continue past an initial post. Meta There's also a new design element that auto

Topics: meta new post posts thread

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Chinese Scientists Create Bright, Multi-Colored Glowing Plants

futurism.com Unknown 2025-10-13 10:15:38

Never to be outshone — literally, in this case — Chinese scientists have one-upped American researchers and their bioluminescent petunias with what they're calling world's first multi-colored glowing plants. As the journal Nature reports, this glow-in-the-dark succulent hails from the South China Agricultural University (SCAU) in Guangzhou, where materials researchers have developed a technology that recharges the plants via sunlight and makes them as bright as a night-light and with many of th

Topics: glow glowing nature plants succulents

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Type checking is a symptom, not a solution

news.ycombinator.com Paul Tarvydas 2025-10-12 22:56:19

What if the programming industry’s decades-long obsession with type checking is solving the wrong problem entirely? What if our increasingly sophisticated type systems—from Haskell’s category theory to Rust’s borrow checker—are elaborate workarounds for fundamental architectural mistakes we’ve been making since the beginning? The software industry has convinced itself that type checking is not just useful, but essential. We’ve built entire programming languages around the premise that catching

Topics: checking components systems type ve

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Broadcom stock jumps 11% on new $10 billion customer that analysts say is OpenAI

cnbc.com Ari Levy 2025-10-13 15:01:50

Analysts at Mizuho, Cantor Fitzgerald and KeyBanc all said they think AI startup OpenAI is the customer. The Financial Times reported on Thursday, citing people familiar with the partnership, that the two companies co-designed a chip that will hit the market next year. "One of these prospects released production orders to Broadcom, and we have accordingly characterized them as a qualified customer for XPUs," Tan said. He added that the order increased Broadcom's forecast for AI revenue next yea

Topics: analysts billion broadcom revenue year

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Samsung wasn’t even the second-most popular foldable maker in Q2 2025

androidauthority.com Unknown 2025-10-13 11:29:03

Ryan Haines / Android Authority TL;DR Samsung only accounted for third place in foldable phone shipments in Q2 2025, according to Counterpoint Research. HUAWEI was in first place, while Motorola was the runner-up. This report doesn’t take Samsung’s latest foldables into account, as they launched in Q3. Foldable phones only account for a small number of smartphones shipping globally, but a new market share report has revealed some bad news for Samsung for Q2 2025. Counterpoint Research has p

Topics: 000 foldable market samsung units

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Building a WASM compiler in Roc (series)

news.ycombinator.com Dusty Phillips 2025-10-09 20:49:26

Table of contents for my series on building a WASM compiler in Roc:

Topics: building compiler contents roc series

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Ask HN: What Arc/Dia features should we prioritize?

news.ycombinator.com Unknown 2025-10-12 14:13:53

Feature request: What would you love to see in BrowserOS? This is a place to share feature ideas and requests for BrowserOS. Drop your suggestions below! 👇 Tell us what features you'd love to see - we'll follow up if we have questions and consider them for our roadmap! React with ❤️ to requests you'd also want! P.S.: Join our Discord to chat with the community 👋

Topics: browseros consider feature love requests

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Development speed is not a bottleneck

news.ycombinator.com Pawel Brodzinski 2025-10-13 11:13:41

"You are wrong, Pawel. You can vibe code a successful product without any technical skills. Here's one example." I liked the challenge, especially since it referenced a source. What I thought would be a short comment evolved into a series of articles. This post is the last one (or at least I believe so at the time of writing), and I will focus on the product management side. Well, just one aspect of it. The perception that the pace of shipping features (or building in general) is the bottlene

Topics: coding development google product products

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Galaxy Z Fold 7 is enough of a hit that Samsung is cranking up production

androidauthority.com Unknown 2025-10-13 19:41:43

Ryan Haines / Android Authority TL;DR Samsung has raised September Galaxy Z Fold 7 production to 260,000 units, up 60,000 from earlier plans. August Fold 7 output hit 430,000 units, well above the 170,000 initially targeted, while Flip 7 production fell short. Shipments could exceed Samsung’s 2.4 million-unit goal for 2025. Samsung’s top-end foldable might come with a heavy price tag, but that hasn’t stopped demand from forcing the company to build more. Samsung has reportedly raised its Sep

Topics: 000 fold production samsung units

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With three new upcoming launches, Apple products will push prices higher than ever

9to5mac.com Ben Lovejoy 2025-10-13 19:00:00

Apple has always been unapologetic in its premium positioning. You know that when you buy Apple, you’re going to be paying a higher price than for almost any competing product, and are willing to do so for the perceived benefits of this – whether that’s the quality, the style, or the ecosystem. The company has made a few nods toward affordability over the years, and we’re expecting the next one to be a new entry-level MacBook. But we’re also moving into an era where three new product launches a

Topics: apple fold going iphone products

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9to5Mac Daily: September 5, 2025 – iPhone 17 rumors, AI departures

9to5mac.com Chance Miller 2025-10-13 23:25:19

Listen to a recap of the top stories of the day from 9to5Mac. 9to5Mac Daily is available on iTunes and Apple’s Podcasts app, Stitcher, TuneIn, Google Play, or through our dedicated RSS feed for Overcast and other podcast players. Sponsored by Backblaze: Never lose a file again. Use code “9to5daily” at checkout for 10% off or try for free. New episodes of 9to5Mac Daily are recorded every weekday. Subscribe to our podcast in Apple Podcast or your favorite podcast player to guarantee new episodes

Topics: 9to5mac apple daily podcast podcasts

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South Korea: 'many' of its nationals detained in ICE raid on GA Hyundai facility

news.ycombinator.com Https 2025-10-13 23:51:27

South Korea said Friday that it had expressed “concern and regret” to the U.S. Embassy over an immigration raid on a Hyundai facility in Georgia during which it said “many” South Korean nationals had been detained. “The economic activities of our companies investing in the U.S. and the rights and interests of our nationals must not be unfairly violated,” said Lee Jae-woong, a spokesperson for the foreign ministry of the key U.S. ally, according to the Yonhap news agency. Agents from Immigratio

Topics: agents construction hyundai said site

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Mappa President Hopes ‘Reze Arc’ Movie Will Trigger Fandom Boom for ‘Chainsaw Man’

gizmodo.com Isaiah Colbert 2025-10-13 23:15:03

Chainsaw Man fans are a little more than a month away from experiencing the film arc continuation of the anime, Reze Arc, in theaters. Before its release, Studio Mappa’s presidents spoke about why they chose to adapt the manga arc into a film and provided an update on the anime’s possible second season. Speaking with Anime News Network at Anime Expo 2025, Mappa head Manabu Ohtsuka and vice president Hiroya Hasegawa gave their reasoning for making Reze Arc a movie instead of an episodic second s

Topics: arc chainsaw man ohtsuka reze

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Microsoft gives US students a free year of Microsoft 365 Personal

bleepingcomputer.com Unknown 2025-10-14 03:31:03

Microsoft announced that starting this Thursday, all college students in the United States can get a free year of Microsoft 365 Personal. For everyone else, a yearly Microsoft 365 Personal subscription costs $99.99. It provides ransomware protection for photos and files stored on OneDrive, 1 TB of secure cloud storage, and can be used on up to five devices simultaneously. As Microsoft President Brad Smith also revealed yesterday, students who claim their free subscription can also receive a 50

Topics: 365 ai microsoft personal students

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Darth Vader’s Lightsaber Sets New Sale Record at Sci-Fi Movie Auction

gizmodo.com Justin Carter 2025-10-14 03:27:24

How much would you be willing to pay for Darth Vader’s lightsaber from Empire Strikes Back and Return of the Jedi? For at least one lucky fan, the answer was more than $3.65 million. The lightsaber sold for a cool $3,654,000 on Thursday—a record for a Star Wars item sold at auction. It sold as part of the first day lots of Propstore’s Los Angeles Entertainment Memorabilia Live Auction and is the only hero lightsaber across the two films “with verifiable screen use ever” to ever come to public a

Topics: auction day lightsaber sold star

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Broadcom stock jumps 15% on new $10 billion customer that analysts say is OpenAI

cnbc.com Ari Levy 2025-10-14 07:33:12

Broadcom shares soared 15% on Friday after the chipmaker said on its earnings call that it had secured a new $10 billion customer. Analysts quickly pointed to OpenAI. Following a better-than-expected earnings report late Thursday, Broadcom CEO Hock Tan told analysts that a fourth large customer had put in orders for $10 billion in custom artificial intelligence chips, which the company calls XPUs. "One of these prospects released production orders to Broadcom, and we have accordingly character

Topics: analysts billion broadcom revenue year

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Latest Tech News

Stop writing CLI validation. Parse it right the first time

Stop Shipping PNGs in Your Games

A Navajo weaving of an integrated circuit: the 555 timer

Today's NYT Strands Hints, Answers and Help for Sept. 7 #553

Dare to Stream These 11 Great Horror Movies on Prime Video

Scientists Boast That Their AI-Powered Stethoscope Only Fails Two-Thirds of the Time

The maths you need to start understanding LLMs

Meschers: Geometry Processing of Impossible Objects

Galaxy S26 Edge renders show the iPhone 17-like design, corroborate Qi2 magnets [Gallery]

The 7 coolest gadgets I've seen at IFA 2025 (including ones you can actually buy)

Trump’s New Labor Stats Guy is a Jan 6 ‘Bystander’ Accused of Unhinged Posts

Broadcom stock jumps 9% on new $10 billion customer that analysts say is OpenAI

Today's Wordle Hints, Answer and Help for Sept. 6, #1540

Today's NYT Connections: Sports Edition Hints and Answers for Sept. 6, #348

Meta is fixing threads on Threads

Chinese Scientists Create Bright, Multi-Colored Glowing Plants

Type checking is a symptom, not a solution

Broadcom stock jumps 11% on new $10 billion customer that analysts say is OpenAI

Samsung wasn’t even the second-most popular foldable maker in Q2 2025

Building a WASM compiler in Roc (series)

Ask HN: What Arc/Dia features should we prioritize?

Development speed is not a bottleneck

Galaxy Z Fold 7 is enough of a hit that Samsung is cranking up production

With three new upcoming launches, Apple products will push prices higher than ever

9to5Mac Daily: September 5, 2025 – iPhone 17 rumors, AI departures

South Korea: 'many' of its nationals detained in ICE raid on GA Hyundai facility

Mappa President Hopes ‘Reze Arc’ Movie Will Trigger Fandom Boom for ‘Chainsaw Man’

Microsoft gives US students a free year of Microsoft 365 Personal

Darth Vader’s Lightsaber Sets New Sale Record at Sci-Fi Movie Auction

Broadcom stock jumps 15% on new $10 billion customer that analysts say is OpenAI

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