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Lexy: A parser combinator library for C++17

news.ycombinator.com Unknown 2025-10-02 21:05:45

Why should I use lexy over XYZ? lexy is closest to other PEG parsers. However, they usually do more implicit backtracking, which can hurt performance and you need to be very careful with rules that have side-effects. This is not the case for lexy, where backtracking is controlled using branch conditions. lexy also gives you a lot of control over error reporting, supports error recovery, special support for operator precedence parsing, and other advanced features. Boost.Spirit The main differenc

Topics: boost error json lexy parser

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Will AI be the basis of many future industrial fortunes, or a net loser?

news.ycombinator.com Jerry Neumann 2025-10-06 05:01:35

Fortunes are made by entrepreneurs and investors when revolutionary technologies enable waves of innovative, investable companies. Think of the railroad, the Bessemer process, electric power, the internal combustion engine, or the microprocessor—each of which, like a stray spark in a fireworks factory, set off decades of follow-on innovations, permeated every part of society, and catapulted a new set of inventors and investors into power, influence, and wealth. Yet some technological innovation

Topics: ai companies containerization like new

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High Altitude Living – 8,000 ft and above (2021)

news.ycombinator.com Quinn Jacobson 2025-10-06 10:29:35

Living at high altitude reduces risk of dying from heart disease: Low oxygen may spur genes to create blood vessels. Summary: Researchers have found that people living at higher altitudes have a lower chance of dying from heart disease and live longer. Jeanne and I live at 8,400 feet (2.560 meters). We were talking about visitors coming (for workshops, friends, etc.) and if you are coming from a low elevation what you need to be aware of. There is a thing called Acute Mountain Sickness (AMS). I

Topics: best days dying people sun

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Two Slice, a font that's only 2px tall

news.ycombinator.com Unknown 2025-10-06 06:50:25

Two Slice A font that's only 2px tall, and somewhat readable! Uppercase and lowercase have some different variants, in case you find one more readable than the other. Numbers (sort of) and some punctuation marks are included. You can probably read this, even if you wish you couldn't. It tends to be easier to read at smaller sizes. Try it out below, or download it (under CC BY-SA license, so you can use it commercially but you have to give credit).

Topics: 2px case couldn read readable

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Pass: Unix Password Manager

news.ycombinator.com Unknown 2025-10-06 06:16:40

Introducing pass Password management should be simple and follow Unix philosophy. With pass , each password lives inside of a gpg encrypted file whose filename is the title of the website or resource that requires the password. These encrypted files may be organized into meaningful folder hierarchies, copied from computer to computer, and, in general, manipulated using standard command line file management utilities. pass makes managing these individual password files extremely easy. All passw

Topics: git pass password store zx2c4

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Opendoor Board Chair Thinks the Company Should Cut Its Workforce by 85 Percent

gizmodo.com Lucas Ropek 2025-10-06 00:00:25

If you work for Opendoor, the online real estate platform, you might consider polishing up your resume. The chair of the company’s board recently let it slip that he thinks the firm could stand to lose almost all of its employees. During a recent appearance on CNBC’s “Squawk on the Street,” Keith Rabois, a former member of the PayPal Mafia, told a reporter that he felt that the majority of the people at his company were expendable. “There’s 1,400 employees at Opendoor. I don’t know what most of

Topics: company firm opendoor rabois stock

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Leaked Video Shows US Military Shooting UFO With Hellfire Missile

futurism.com Unknown 2025-10-06 01:45:26

Someone has leaked a video of an unidentified anomalous phenomenon (UAP) — the military's preferred term for unidentified flying objects, better known as UFOs — to Congress. As USA Today reports, this never-before-seen video was provided anonymously to Eric Burlison, a Missouri Republican and member of the House of Representative's UAP Caucus, and shows a bizarre encounter that occurred last October off the coast of Yemen. In the video, an Air Force MQ-9 "Reaper" drone tracks the object that B

Topics: air burlison missile uap video

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Woman Sends Money to "Stranded Astronaut" So He Can "Buy Oxygen"

futurism.com Unknown 2025-10-06 04:45:45

"In space on a spaceship right now." The sky's the limit for how outrageously implausible some scams can get. Actually, try beyond the atmosphere. An elderly woman in Japan sent thousands of dollars to a trickster who claimed to be an astronaut trapped in space and in danger of suffocating, Agence France-Presse reports. In fairness to the lady, though, she thought they were in love. The 80-year-old pensioner, who lives in Sapporo, the capital of Japan's northern island Hokkaido, met the scamm

Topics: ai astronaut money scammer space

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PSA: You’ll need a new charger to take advantage of iPhone 17 Pro’s fast charging

9to5mac.com Michael Burkhardt 2025-10-06 04:20:17

With the iPhone 17 Pro and iPhone 17 Pro Max, Apple announced that they’ll be capable of charging even faster than previous iPhone models: up to 50% in just 20 minutes. While that is true, it’s thanks to a brand new USB-PD specification, which isn’t widely available on the market yet. In short, you’ll need to buy Apple’s new 40W Dynamic Power Adapter if you want to charge your iPhone 17 Pro or iPhone 17 Pro Max as quickly as possible, at least for now. This is because Apple’s charging brick is

Topics: 17 apple iphone new pro

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iPhone 17 vs iPhone 15 Pro: New or Pro?

9to5mac.com Michael Burkhardt 2025-10-06 06:03:00

Apple recently announced its latest iPhone 17, 17 Pro, and iPhone Air models – and as we’ve seen, the base iPhone 17 gained a plethora of upgrades that have made it quite a compelling package. That begs the question, does a 2 year old ‘Pro’ iPhone still have a leg up, or should you just go with the new base model iPhone 17? Displays iPhone 17 gains ProMotion for the first time, something that you previously had to buy an iPhone Pro for. On top of that, it isn’t a compromised ProMotion display

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Indie App Spotlight: ‘SUMRY’ turns your Apple Watch activity into workout stories

9to5mac.com Michael Burkhardt 2025-10-06 07:30:00

Welcome to Indie App Spotlight. This is a weekly 9to5Mac series where we showcase the latest apps in the indie app world. If you’re a developer and would like your app featured, get in contact. If you’re an avid Apple Watch fan (or use another fitness tracker that syncs to Apple Health), you’ll find SUMRY incredibly useful. It allows you to pull multiple Apple Health workouts together, and it creates comprehensive summaries that tell a story about your activity. Top features SUMRY works with

Topics: app apple ll nice summaries

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Here’s a fantastic MacBook Air deal you should consider if you’re eyeing an upgrade

9to5mac.com Michael Burkhardt 2025-10-06 10:06:03

With every new Apple product launch, deals slowly crop up over time – and the MacBook lineup is no exception. The best deals tend to come after a model is no longer the latest and greatest, and there’s currently an unbeatable M3 MacBook Air deal that’s hard to pass up on, and once it sells out, there likely won’t be any more to go around. Apple released the new M4 MacBook Air in March, and since then, retailers have been trying to move inventory of older M3 models. For the most part, they have

Topics: apple m3 m4 macbook model

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California's age verification bill for app stores and operating systems takes another step forward

engadget.com Unknown 2025-10-06 09:43:39

A California bill that would require operating system and app store providers to verify users' ages before they can download apps has cleared the Assembly 58-0, and will now move on to Gov. Gavin Newsom, Politico reports. The Digital Age Assurance Act (AB 1043), introduced by Assemblymember Buffy Wicks, does not require photo identification for verification, but puts the onus on the platforms to provide tools for parents to indicate the user's age during a device's setup, and use this informatio

Topics: age app california google kids

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iPhone Air vs. Samsung S25 Edge: I compared both ultra-thin phones to decide a winner

zdnet.com Kerry Wan 2025-10-06 08:28:10

Follow ZDNET: Add us as a preferred source on Google. The market of ultra-thin and lightweight phones is officially at its tipping point, as Apple threw its hat into the ring this week with the new iPhone Air. The newest and arguably most innovative iPhone features the company's slimmest design yet, measuring at around 5.6mm thick. How did the folks at Cupertino achieve such a record? By opting for a smaller battery, fewer cameras, and some design elements that disrupt the norm, especially by

Topics: air apple edge iphone s25

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iPhone 17 Pro Max vs. Google Pixel 10 Pro XL: I compared both and here's the winner

zdnet.com Kerry Wan 2025-10-06 08:31:13

Jason Hiner and Kerry Wan/ZDNET Follow ZDNET: Add us as a preferred source on Google. It feels like yesterday when I sat in a Brooklyn warehouse to watch Jimmy Fallon introduce the Google Pixel 10 series to the world. Since then, Apple has joined the fray with the new iPhone 17, and now I've got a few too many new handsets on my mind. Between what Apple and Google announced, the iPhone 17 Pro Max and Google Pixel 10 Pro XL stand out as the best of the best. They're the models that tech enthus

Topics: apple google iphone pixel pro

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Apple iPhone 17 Pro vs. iPhone 16 Pro: I compared both models, and there's a big difference

zdnet.com Prakhar Khanna 2025-10-06 08:31:36

Jason Hiner/ZDNET Follow ZDNET: Add us as a preferred source on Google. Apple's long-awaited iPhone 17 lineup has arrived, and as speculated, it replaces the Plus model with an iPhone 17 Air. However, the focus remains on the more expensive Pro series. The iPhone 17 Pro and Pro Max now offer better thermals to keep the device cool, an aluminum build for more funky colors, and a few other essential quality-of-life improvements. Also: Everything Apple announced during its September event If y

Topics: 16 17 apple iphone pro

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Wimpy vs. McDonald's: The Battle of the Burgers

news.ycombinator.com Unknown 2025-10-04 15:43:46

When the burger landed on the tables of the first Wimpy Bar in 1954, it marked a new era of modernity, global connection, and convenience for a Britain rebuilding from the austerity of the Second World War. But it later found itself at the heart of a cultural war against these same ideals. ‘The McDonalds are coming’, declared the Reading Post in March 1983 as Wimpy’s competitor gained ground on the British high street. ‘It looks like the battle of the burgers is about to erupt.’ As the first mo

Topics: american british food mcdonald wimpy

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Java 25's new CPU-Time Profiler

news.ycombinator.com Johannes Bechberger 2025-10-05 20:11:27

This is the first part of my series; the other parts are Back to the blog post: More than three years in the making, with a concerted effort starting last year, my CPU-time profiler landed in Java with OpenJDK 25. It’s an experimental new profiler/method sampler that helps you find performance issues in your code, having distinct advantages over the current sampler. This is what this week’s and next week’s blog posts are all about. This week, I will cover why we need a new profiler and what in

Topics: cpu java jfr profiler time

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Safe C++ proposal is not being continued

news.ycombinator.com Unknown 2025-10-06 07:00:29

One year ago, the Safe C++ proposal was made. The goal was to add a safe subset/context into C++ that would give strong guarantees (memory safety, type safety, thread safety) similar to what Rust provides, without breaking existing C++ code. It was an extension or superset of C++. The opt-in mechanism was to explicitly mark parts of the code that belong to the safe context. The authors even state: Code in the safe context exhibits the same strong safety guarantees as code written in Rust. The

Topics: code profiles rust safe safety

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Magical systems thinking

news.ycombinator.com Ed Bradon 2025-10-06 04:18:27

The systems that enable modern life share a common origin. The water supply, the internet, the international supply chains bringing us cheap goods: each began life as a simple, working system. The first electric grid was no more than a handful of electric lamps hooked up to a water wheel in Godalming, England, in 1881. It then took successive decades of tinkering and iteration by thousands of very smart people to scale these systems to the advanced state we enjoy today. At no point did a single

Topics: complex forrester new systems world

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AI Will Not Make You Rich

news.ycombinator.com Jerry Neumann 2025-10-06 10:01:35

Fortunes are made by entrepreneurs and investors when revolutionary technologies enable waves of innovative, investable companies. Think of the railroad, the Bessemer process, electric power, the internal combustion engine, or the microprocessor—each of which, like a stray spark in a fireworks factory, set off decades of follow-on innovations, permeated every part of society, and catapulted a new set of inventors and investors into power, influence, and wealth. Yet some technological innovation

Topics: ai companies containerization like new

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Lessons in disabling RC4 in Active Directory (2021)

news.ycombinator.com Steve Syfuhs 2025-10-04 00:40:34

Was pulled in to a fun customer issue last Friday around disabling RC4 in Active Directory. What happened was, as you can imagine, not good: RC4 was disabled and half their environment promptly started having a Very Bad Day. — Steve Syfuhs (@SteveSyfuhs) March 1, 2021 Twitter warning: Like all good things this is mostly correct, with a few details fuzzier than others for reasons: a) details are hard on twitter; b) details are fudged for greater clarity; c) maybe I'm just dumb. RC4 is a stream

Topics: data key password rc4 salt

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Orange rivers signal toxic shift in Arctic wilderness

news.ycombinator.com Author 2025-10-04 04:24:05

In Alaska’s Brooks Range, rivers once clear enough to drink from now run orange and hazy with toxic metals. As warming thaws formerly frozen ground, it sets off a chemical chain reaction that is poisoning fish and wreaking havoc on ecosystems. Researcher testing murky waters in Alaska's Brooks Range. (Photo: Taylor Rhoades) As the planet warms, a layer of permafrost — permanently frozen Arctic soil that locked away minerals for millennia — is beginning to thaw. Water and oxygen creep into the

Topics: fish like permafrost river salmon

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An open-source maintainer's guide to saying “no”

news.ycombinator.com Unknown 2025-10-06 07:20:01

Reply to this post on Bluesky to join the conversation.

Topics: bluesky conversation join post reply

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How Ruby executes JIT code

news.ycombinator.com Stan Lo 2025-10-02 09:01:53

Ever since YJIT’s introduction, I’ve felt simultaneously close to and distant from Ruby’s JIT compiler. I know how to enable it in my Ruby programs. I know it makes my Ruby programs run faster by compiling some of them into machine code. But my understanding around YJIT, or JIT compilers in Ruby in general, seems to end here. A few months ago, my colleague Max Bernstein wrote ZJIT has been merged into Ruby to explain how ZJIT compiles Ruby’s bytecode to HIR, LIR, and then to native code. It she

Topics: bytecode code compiled jit ruby

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The Case Against Social Media Is Stronger Than You Think

news.ycombinator.com Nathan Witkin 2025-10-06 06:39:17

The Mob, 1935, by Carl Hoeckner 1. Introduction The philosopher Dan Williams recently published two pieces on social media— “Scapegoating the Algorithm” at Asterisk Magazine, and “The Case Against Social Media is Weaker Than You Think” at his Substack. As their titles attest to, both argue that the case against social media, on epistemic and political grounds, has been considerably overstated. I recently published a lengthy essay arguing the opposite: that the case against social media has, i

Topics: evidence media polarization political social

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Show HN: A store that generates products from anything you type in search

news.ycombinator.com Unknown 2025-10-06 00:02:11

We'll find it somewhere across parallel dimensions, just tell us what you want Experience a new way of shopping where imagination drives innovation. Our product concepts are delivered instantly to your device! All our products are unique concepts developed specifically for our customers. That Product Doesn't Exist Yet? Be the first to discover it! Give us a name and we'll find it somewhere

Topics: concepts delivered device ll product

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Spotify Would Prefer You Didn’t Sell Your Own Data for Profit

gizmodo.com Aj Dellinger 2025-10-06 06:15:54

Spotify has never been shy about the fact that the massive amount of user data it collects is a major part of its secret sauce, from its user-specific Discover Weekly playlist to the annual event that is Spotify Wrapped. But the company, which does everything it can to lock people into long listening sessions and sells ads based on user data, would really prefer it if you didn’t bottle up that sauce and resell it for your own profit. According to a report from Ars Technica, a set of users did ju

Topics: company data spotify user users

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‘The Strangers: Chapter 2’ Opening Is a Game of Hide and Seek

gizmodo.com Justin Carter 2025-10-06 06:50:15

You may not know it, but we’re a few weeks out from The Strangers: Chapter 2. To help drum up interest for the film, Lionsgate’s put out a clip from the first few minutes of the film, which picks up where 2024’s Chapter 1 concluded. Last we left off, Maya (Madelaine Petsch) survived the attack from the titular Strangers that left her boyfriend Ryan dead, and she ended the film recuperating in the hospital. But before she can worry about her health bill, she realizes that she’s not as free of th

Topics: chapter film maya petsch strangers

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California Lawmakers Once Again Challenge Newsom’s Tech Ties with AI Bill

gizmodo.com Aj Dellinger 2025-10-06 08:15:29

Last year, California Governor Gavin Newsom vetoed a wildly popular (among the public) and wildly controversial (among tech companies) bill that would have established robust safety guidelines for the development and operation of artificial intelligence models. Now he’ll have a second shot—this time with at least part of the tech industry giving him the green light. On Saturday, California lawmakers passed Senate Bill 53, a landmark piece of legislation that would require AI companies to submit

Topics: ai california companies models safety

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Latest Tech News

Lexy: A parser combinator library for C++17

Will AI be the basis of many future industrial fortunes, or a net loser?

High Altitude Living – 8,000 ft and above (2021)

Two Slice, a font that's only 2px tall

Pass: Unix Password Manager

Opendoor Board Chair Thinks the Company Should Cut Its Workforce by 85 Percent

Leaked Video Shows US Military Shooting UFO With Hellfire Missile

Woman Sends Money to "Stranded Astronaut" So He Can "Buy Oxygen"

PSA: You’ll need a new charger to take advantage of iPhone 17 Pro’s fast charging

iPhone 17 vs iPhone 15 Pro: New or Pro?

Indie App Spotlight: ‘SUMRY’ turns your Apple Watch activity into workout stories

Here’s a fantastic MacBook Air deal you should consider if you’re eyeing an upgrade

California's age verification bill for app stores and operating systems takes another step forward

iPhone Air vs. Samsung S25 Edge: I compared both ultra-thin phones to decide a winner

iPhone 17 Pro Max vs. Google Pixel 10 Pro XL: I compared both and here's the winner

Apple iPhone 17 Pro vs. iPhone 16 Pro: I compared both models, and there's a big difference

Wimpy vs. McDonald's: The Battle of the Burgers

Java 25's new CPU-Time Profiler

Safe C++ proposal is not being continued

Magical systems thinking

AI Will Not Make You Rich

Lessons in disabling RC4 in Active Directory (2021)

Orange rivers signal toxic shift in Arctic wilderness

An open-source maintainer's guide to saying “no”

How Ruby executes JIT code

The Case Against Social Media Is Stronger Than You Think

Show HN: A store that generates products from anything you type in search

Spotify Would Prefer You Didn’t Sell Your Own Data for Profit

‘The Strangers: Chapter 2’ Opening Is a Game of Hide and Seek

California Lawmakers Once Again Challenge Newsom’s Tech Ties with AI Bill

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