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Java 25's new CPU-Time Profiler (1)

news.ycombinator.com Johannes Bechberger 2025-10-01 16:11:27

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 information it provides; next week, I’ll cover the technical internals that go beyon

Topics: cpu java jfr profiler time

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Resizing images in Rust, now with EXIF orientation support

news.ycombinator.com Unknown 2025-09-27 18:31:22

Resizing images in Rust, now with EXIF orientation support Resizing an image is one of those programming tasks that seems simple, but has some rough edges. One common mistake is forgetting to handle the EXIF orientation, which can make resized images look very different from the original. Last year I wrote a create_thumbnail tool to resize images, and today I released a small update. Now it’s aware of EXIF orientation, and it no longer mangles these images. This is possible thanks to a new ver

Topics: exif image images orientation thumbnail

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Apple's High Blood Pressure Alerts: When and Where They'll Be Available

cnet.com See Full Bio 2025-10-01 16:10:03

At its big iPhone event on Tuesday, Apple announced that it will soon launch hypertension notifications, joining similar alerts like those for sleep apnea, heart health and noise. However, these notifications for high blood pressure won't just be available on the new Apple Watch Series 11 or Ultra 3. Read on to find out if and when your Apple Watch will receive hypertension notifications. We also discuss how the feature works and what it means. Don't miss any of our unbiased tech content and l

Topics: apple blood hypertension notifications watch

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How to Use Claude Code Subagents to Parallelize Development

news.ycombinator.com Zach Wills 2025-09-28 02:21:18

In my last post I talked about how I spent a week heads down using AI to work on a greenfield engineering metrics tool. As I built it, I’d often navigate the web app and spot things that needed to be fleshed out. Sometimes it was a small typo; other times it was a bigger feature that was still TODO. At one point I had Claude Code redesign the homepage to make it more lively. In doing so, it added some new functionality that didn’t fully exist yet: A “View All Insights” link that would show you

Topics: agent agents code ticket user

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I tried Apple's 2 big AI features announced at the iPhone 17 event - and both are game changers

zdnet.com Jason Hiner 2025-10-01 19:11:38

Jason Hiner/ZDNET While we didn't hear much about Siri or Apple Intelligence during the 2025 Apple Event that launched new iPhones, AirPods, and Apple Watches, there were two huge AI features announced that have largely slipped under the radar. That's mostly because they were presented as great new features and didn't use overhyped AI marketing language. Nevertheless, I got to demo both features at Apple Park on Tuesday and my first impression was that both of them are nearly fully baked and r

Topics: airpods apple feature pro translation

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Kefir: Solo-developed full C17/C23 compiler with extensive validation

news.ycombinator.com Unknown 2025-09-28 08:34:56

To whom it may concern, Today I release Kefir — an independent C17/C23 compiler. Solo-built. Extensively validated, for x86_64 & System-V ABI. With SSA-based optimization pipeline, DWARF-5 support and position-independent code generation. What? Implements the C17/C23 standard. Plus certain GNU C extensions. For Linux (glibc & musl), FreeBSD, OpenBSD, NetBSD. Extensive and transparent validation suite. Compiles and runs well-known open source projects — GNU core- and binutils, Curl, Git, Ngi

Topics: code compiler gnu independent optimization

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Meow: Yet another modal editing on Emacs

news.ycombinator.com Unknown 2025-10-01 19:00:22

Meow Introduction Less is more Meow is yet another modal editing mode for Emacs. Meow aims to blend modal editing into Emacs with minimal interference with its original key-bindings, avoiding most of the hassle introduced by key-binding conflicts. This leads to lower necessary configuration and better integration. More is achieved with fewer commands to remember. Key features compared to existing solutions: Minimal configuration – build your own modal editing system No third-party depende

Topics: configuration editing key meow modal

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Today's NYT Connections: Sports Edition Hints and Answers for Sept. 13, #355

cnet.com See Full Bio 2025-10-01 21:08:50

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 trusts that you know your sports movies and your mascots. 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 journalism site owned by th

Topics: answers connections group sports today

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iPhone Air offers a new feature never seen in a single-camera iPhone

9to5mac.com Dylan Mcdonald 2025-10-01 22:28:55

Apple has been including Portrait Mode on iPhone models with only one back camera since the iPhone XR, but the iPhone Air is the first one to get a fully-featured Portrait Mode. A brief history When Apple introduced the iPhone XR, one of the headlining features was how it could take “dramatic portraits using a single camera lens”. However, these portraits were limited to just people and pets. So, if you wanted to take a portrait photo of something like a flower, you could not. Similarly, the

Topics: air generation iphone photo portrait

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I used standard Emacs extension-points to extend org-mode

news.ycombinator.com Unknown 2025-10-01 19:53:33

Recently I read this beginners guide to extend Emacs. The guide is perfect for starting out with elisp and it shows a lot of care in teaching how to interact with Emacs. To me, the most important bit though is this one, from the section aptly named Emacs Wants You to Extend It. I haven’t written plugins for other editors extensively, but I can tell you this: emacs doesn’t just make deep customization available, but it actively encourages you to make an absolute customization messes masterpiece

Topics: emacs mode option org sort

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Scientists: It’s do or die time for America’s primacy exploring the Solar System

arstechnica.com Unknown 2025-10-01 22:48:17

Federal funding is about to run out for 19 active space missions studying Earth's climate, exploring the Solar System, and probing mysteries of the Universe. This year's budget expires at the end of this month, and Congress must act before October 1 to avert a government shutdown. If Congress passes a budget before then, it will most likely be in the form of a continuing resolution, an extension of this year's funding levels into the first few weeks or months of fiscal year 2026. The White Hou

Topics: active budget funding missions year

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Cancel Culture Comes for Artists Who Posted About Charlie Kirk’s Death

wired.com Manisha Krishnan 2025-10-01 22:24:10

Almost immediately after she posted about the shooting of Charlie Kirk, author and trans woman Gretchen Felker-Martin started having second thoughts. Felker-Martin, who wrote the latest iteration of DC Comics’ Red Hood series, said “thoughts and prayers you Nazi bitch” on Bluesky in response to the killing of Kirk, a right-wing influencer and Trump ally who was staunchly anti–trans rights. “Hope the bullet’s okay after touching Kirk,” she added. Kirk died after being shot at a stop on his Amer

Topics: bluesky dc felker kirk martin

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All-around protection: ESR launches iPhone 17 cases, screen protectors, AirPods covers

9to5mac.com Sponsored Post 2025-10-02 02:30:00

Following Apple’s ‘Awe Dropping’ event yesterday, ESR is unveiling a comprehensive lineup of accessories, cases, screen protectors, and chargers that will help you unleash the full power of your new devices, keeping them safe and powered up. iPhone 17 cases ESR’s flagship launch for the season exceeds military-grade standards by 7x, and starts at $26.99. In practice, this means the ESR Cyber Tough Magnetic Case is tough enough to handle 23-ft (7m) drops, thanks in part to its reinforced Air G

Topics: case charging esr magnetic screen

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Ram ends EV pickup truck plans

techcrunch.com Kirsten Korosec 2025-10-02 02:56:16

The all-electric Ram 1500 REV pickup truck is dead. Long live the extended-range Ram 1500 REV (once called the Ramcharger). Stellantis, the parent company of Ram, said Friday that it will no longer develop a battery-electric full-size pickup. The company cited low demand for full-size battery-electric trucks as the primary reason, according to a statement sent to TechCrunch and posted on its website. “As demand for full-size battery-electric trucks slows in North America, Stellantis is reasses

Topics: battery electric pickup ram stellantis

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Benioff says he's 'inspired' by Palantir, but takes another jab at its prices

cnbc.com Jordan Novet 2025-10-02 06:01:35

Marc Benioff is keeping an eye on Palantir . The co-founder and CEO of sales and customer service management software company Salesforce is well aware that investors are betting big on Palantir, which offers data management software to businesses and government agencies. "Oh my gosh. I am so inspired by that company," Benioff told CNBC's Morgan Brennan in a Tuesday interview at Goldman Sachs ' Communacopia+Technology conference in San Francisco. "I mean, not just because they have 100 times, y

Topics: 10 benioff palantir revenue salesforce

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Emacs: A Paradigm Shift

news.ycombinator.com Unknown 2025-10-02 05:53:33

Recently I read this beginners guide to extend Emacs. The guide is perfect for starting out with elisp and it shows a lot of care in teaching how to interact with Emacs. To me, the most important bit though is this one, from the section aptly named Emacs Wants You to Extend It. I haven’t written plugins for other editors extensively, but I can tell you this: emacs doesn’t just make deep customization available, but it actively encourages you to make an absolute customization messes masterpiece

Topics: emacs mode option org sort

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‘Red Hood’ Writer Speaks Out on Book’s Surprise Cancellation

gizmodo.com Justin Carter 2025-10-02 06:50:57

Earlier this week, DC Comics abruptly cancelled its new Red Hood comic from trans writer Gretchen Felker-Martin and artist Jeff Spokes. The decision came after Felker-Martin posted comments and jokes on social media about the assassination of prominent right-wing activist Charlie Kirk, which occurred on the same day—September 10—as the comic’s launch. DC Comics said in a statement that social media posts “that can be viewed as promoting hostility or violence are inconsistent with [our] standards

Topics: comics dc felker martin media

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Today's NYT Connections Hints, Answers and Help for Sept. 13, #825

cnet.com See Full Bio 2025-10-02 05:00:04

Looking for the most recent 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, Connections: Sports Edition and Strands puzzles. I got a kick out of today's NYT Connections puzzle, which didn't seem as tough as usual. Fans of foreign money will like the blue group. Read on for clues and today's Connections answers. The Times now has a Connections Bot, like the one for Wordle. Go there after you pla

Topics: answers connections group today words

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You're Going to Drop Your New iPhone 17. Don't Skimp on the Case

cnet.com Aashna Gheewalla 2025-10-02 05:02:49

We're all buzzing with excitement over Apple's iPhone 17 lineup, announced at the Apple Event 2025 on Sept. 9. You can now preorder a new iPhone, either the base iPhone 17, the new iPhone Air, the 17 Pro or the larger 17 Pro Max. Remember to grab something to protect your new device. Many of your favorite brands, like Casetify, have already released new cases for the upcoming iPhone 17 models. Even Apple has dropped its new line of cases, with some fun new accessories, too. We'll continue to u

Topics: 17 cases close iphone starting

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Lee Pace Reveals the Secrets of His ‘Foundation’ Bod

gizmodo.com Cheryl Eddy 2025-10-02 10:50:03

Foundation season three has ended (we’re still reeling) and we are more than thrilled that a fourth season is on the way. Though Apple TV+’s Asimov adaptation has a lot of things to recommend about it—complex characters, dynamic worldbuilding, a plot that celebrates the wonders of math—you also can’t count out the Lee Pace factor. The charismatic, cult-beloved actor has been a pivotal part of all three seasons. Though Foundation takes place across hundreds of years, the galaxy it’s set in is ru

Topics: brother cleon foundation pace season

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Lee Pace Has Big Hopes for the Fourth Season of ‘Foundation’

wired.com Tim Marchman 2025-10-02 10:38:27

In the world of prestige sci-fi, Foundation reigns as the biggest sleeper hit. Mention the Apple TV+ adaptation of Isaac Asimov’s classic series in a group of friends and you’ll suddenly find everyone has been secretly watching it. Something of a flawed masterpiece, the show, which wraps its third season Friday, has been averaging about 1.5 million hours watched per week in the US over the last month, according to Luminate. Not Wednesday numbers, but in the same ballpark as other genre fare like

Topics: brother foundation got pace ve

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Stellantis cancels Ram 1500 REV as electric truck demand dims

theverge.com Andrew J. Hawkins 2025-10-02 10:17:51

is transportation editor with 10+ years of experience who covers EVs, public transportation, and aviation. His work has appeared in The New York Daily News and City & State. Posts from this author will be added to your daily email digest and your homepage feed. Stellantis announced that it was discontinuing its Ram 1500 REV electric truck, citing slowing sales of heavy-duty electric trucks. The name plate, however, will live on. Stellantis said that it was renaming its Range-Extended Electric

Topics: electric ramcharger sales stellantis trucks

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Balatro's big 2025 update won't be coming out this year after all

engadget.com Unknown 2025-10-02 13:35:12

Fans will have to wait a little bit longer for the hotly-anticipated Balatro 1.1 update. Developer LocalThunk just announced it will not be coming out in 2025, despite previously promising a release this year. Instead, it'll come out "when it's done." It's worth remembering that Balatro was created by a single person, and the same goes for this update. The lone developer also made the original balance patch and the well-regarded mobile port. He says he's "well and truly burned out." LocalThunk

Topics: advertisement balatro developer update year

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How Prehistoric Humans Survived a Supervolcano So Big We Probably Should Have Gone Extinct

gizmodo.com Jayde N. Hirniak 2025-10-02 14:35:08

If you were lucky 74,000 years ago, you would have survived the Toba supereruption, one of the largest catastrophic events that Earth has seen in the past 2.5 million years. While the volcano is located in what’s now Indonesia, living organisms across the entire globe were potentially affected. As an archaeologist who specializes in studying volcanic eruptions of the past, I often think about how incredible it is that humans survived this extinction-level event that was over 10,000 times larger

Topics: eruption human humans toba volcanic

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Why do browsers throttle JavaScript timers?

news.ycombinator.com Unknown 2025-10-02 17:35:08

Posted August 31, 2025 by Nolan Lawson in performance, Web. Tagged: timers. 9 Comments Even if you’ve been doing JavaScript for a while, you might be surprised to learn that setTimeout(0) is not really setTimeout(0) . Instead, it could run 4 milliseconds later: const start = performance.now() setTimeout(() => { // Likely 4ms console.log(performance.now() - start) }, 0) Nearly a decade ago when I was on the Microsoft Edge team, it was explained to me that browsers did this to avoid “abuse.” I.

Topics: benchmark browser postmessage settimeout web

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Mario, Metroid, Virtual Boy and more: all the biggest announcements from today's Nintendo Direct

engadget.com Unknown 2025-10-02 21:57:22

Whenever there's a Nintendo Direct in September, you can be pretty sure that it'll be a major edition of the showcase. Given that Friday's one was scheduled to be about an hour long and that Nintendo has a whole new console to put games on, it was already likely that there was going to be a lot of news. Even then, it managed to be a jam-packed Direct. Let's take a look at all the biggest announcements from the showcase, including what's obviously the most important one: a Switch 2 version of Ov

Topics: advertisement game mario nintendo switch

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Windows 11 23H2 Home and Pro reach end of support in 60 days

bleepingcomputer.com Unknown 2025-10-02 21:15:22

Microsoft has reminded customers today that devices running Home and Pro editions of Windows 11 23H2 will stop receiving updates in November. Enterprise and Education editions will continue to receive mainstream support for an additional year, until November 10, 2026, as stated on the Windows release health dashboard. "On November 11, 2025, Windows 11, version 23H2 (Home and Pro editions) will reach end of servicing. The November 2025 monthly security update will be the last update available f

Topics: 11 editions end microsoft windows

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Bulletproof Host Stark Industries Evades EU Sanctions

krebsonsecurity.com Unknown 2025-10-01 22:40:22

In May 2025, the European Union levied financial sanctions on the owners of Stark Industries Solutions Ltd., a bulletproof hosting provider that materialized two weeks before Russia invaded Ukraine and quickly became a top source of Kremlin-linked cyberattacks and disinformation campaigns. But new findings show those sanctions have done little to stop Stark from simply rebranding and transferring their assets to other corporate entities controlled by its original hosting providers. Materializin

Topics: hosting mirhosting mr stark zinad

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The 6 Biggest Moments in the Shocking ‘Foundation’ Season 3 Finale

gizmodo.com Cheryl Eddy 2025-10-02 22:10:32

Foundation season three has come to an end, but it still feels like there’s so much story left to tell. Thank goodness Apple TV+ confirmed just yesterday that season four is on the way! But before we ponder what’s next, we must discuss the season finale. “The Darkness” was… well, a lot sure did happen, didn’t it? Here are the six most important takeaways from the Foundation season three finale. The first two are admittedly not too outrageous, but buckle up for the rest. The Foundation Finally

Topics: brother darkness demerzel foundation season

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Nissan Leaf 2026 Review: Superb Steering, Competitive Pricing

wired.com John Voelcker 2025-10-02 20:00:00

Nissan quotes 160 kilowatts (214 horsepower) and 252 pound-feet of torque for the single motor that drives the front wheels. Acceleration is adequate in the standard drive mode, with Sport providing a bit more boost, enough to spin an inside front wheel in turns when pressed. The Eco mode was underwhelming, and while there’s a Personal mode to tweak your own combination of settings, we’d be shocked if anyone ever uses it. Nissan offers four levels of regenerative braking, controlled via paddle

Topics: competitors leaf mode nissan steering

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Latest Tech News

Java 25's new CPU-Time Profiler (1)

Resizing images in Rust, now with EXIF orientation support

Apple's High Blood Pressure Alerts: When and Where They'll Be Available

How to Use Claude Code Subagents to Parallelize Development

I tried Apple's 2 big AI features announced at the iPhone 17 event - and both are game changers

Kefir: Solo-developed full C17/C23 compiler with extensive validation

Meow: Yet another modal editing on Emacs

Today's NYT Connections: Sports Edition Hints and Answers for Sept. 13, #355

iPhone Air offers a new feature never seen in a single-camera iPhone

I used standard Emacs extension-points to extend org-mode

Scientists: It’s do or die time for America’s primacy exploring the Solar System

Cancel Culture Comes for Artists Who Posted About Charlie Kirk’s Death

All-around protection: ESR launches iPhone 17 cases, screen protectors, AirPods covers

Ram ends EV pickup truck plans

Benioff says he's 'inspired' by Palantir, but takes another jab at its prices

Emacs: A Paradigm Shift

‘Red Hood’ Writer Speaks Out on Book’s Surprise Cancellation

Today's NYT Connections Hints, Answers and Help for Sept. 13, #825

You're Going to Drop Your New iPhone 17. Don't Skimp on the Case

Lee Pace Reveals the Secrets of His ‘Foundation’ Bod

Lee Pace Has Big Hopes for the Fourth Season of ‘Foundation’

Stellantis cancels Ram 1500 REV as electric truck demand dims

Balatro's big 2025 update won't be coming out this year after all

How Prehistoric Humans Survived a Supervolcano So Big We Probably Should Have Gone Extinct

Why do browsers throttle JavaScript timers?

Mario, Metroid, Virtual Boy and more: all the biggest announcements from today's Nintendo Direct

Windows 11 23H2 Home and Pro reach end of support in 60 days

Bulletproof Host Stark Industries Evades EU Sanctions

The 6 Biggest Moments in the Shocking ‘Foundation’ Season 3 Finale

Nissan Leaf 2026 Review: Superb Steering, Competitive Pricing

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