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Show HN: Making a cross-platform game in Go using WebRTC Datachannels

news.ycombinator.com Unknown 2025-10-04 03:30:37

(The following was adapted from a talk I gave at DWeb Weekend 2025 at the Internet Archive in San Francisco on August 17, 2025) Simplifying WebRTC Datachannels for Games First of all, to get some stuff out of the way, instead of using the “super complicated” WebRTC datachannels, why don’t we use something simpler? Why Not Use Websockets? Too slow : Most games use UDP with a reliability layer on top. : Most games use UDP with a reliability layer on top. Suitable for turn-based games : Fine f

Topics: games need server use webrtc

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FTC orders AI companies to hand over info about chatbots’ impact on kids

theverge.com Lauren Feiner 2025-10-05 10:58:07

is a senior policy reporter at The Verge, covering the intersection of Silicon Valley and Capitol Hill. She spent 5 years covering tech policy at CNBC, writing about antitrust, privacy, and content moderation reform. The Federal Trade Commission (FTC) is ordering seven AI chatbot companies to provide information about how they assess the effects of their virtual companions on kids and teens. OpenAI, Meta, its subsidiary Instagram, Snap, xAI, Google parent company Alphabet, and the maker of Cha

Topics: ai chatbots companies effects ftc

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Alphabet, Meta, OpenAI, xAI and Snap face FTC probe over AI chatbot safety for kids

cnbc.com Ashley Capoot 2025-10-05 14:58:34

In this photo illustration a virtual friend is seen on the screen of an iPhone on April 30, 2020, in Arlington, Virginia. The Federal Trade Commission on Thursday announced it is issuing orders to seven companies including OpenAI, Alphabet , Meta , xAI and Snap to understand how their artificial intelligence chatbots potentially negatively affect children and teenagers. The federal agency said AI chatbots may be used to simulate human-like communication and intrapersonal relationships with use

Topics: chatbots companies ftc meta said

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Apple Watch Series 11, SE 3, and Ultra 3 Hands-On: Time for a Bigger Reboot?

gizmodo.com Raymond Wong 2025-10-05 14:39:16

Excuse the pun, but all of the air at the Steve Jobs Theater at Tuesday’s Apple Event was sucked up by the super-skinny iPhone Air. Not to say that the iPhone 17 Pros, especially in Cosmic Orange, didn’t get their fair share of oglers (it did), but it did feel like many attendees took a quick glance at the new Apple Watches and floated on by to get back to the iPhone Air. I wasn’t at all surprised by the deflated interest in the three new Apple Watches that were announced. They’re basically int

Topics: apple new se series watch

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Thursday Night Football: How to Watch Commanders vs. Packers Tonight

cnet.com See Full Bio 2025-10-05 12:46:14

When to watch the Washington Commanders and Green Bay Packers? Thursday, Sept. 11, at 8:15 p.m. ET (5:15 p.m. PT). Where to watch The Commanders and Packers game will stream live on Prime Video and for free on Twitch. Fans in the home markets of each team can also watch on a local channel. Playoff teams from a year ago, the Commanders and Packers get Week 2 of the 2025 NFL season started tonight at Lambeau Field. If you're looking for this game on your TV, you'll need to close out of your us

Topics: game prime tv video watch

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Two ways Apple is (wisely) being inclusive about its latest health features

9to5mac.com Ben Lovejoy 2025-10-05 18:15:15

Apple is sometimes accused of deliberately withholding new features from older devices for no good reason. For example, eyebrows were raised when dual capture video recording was restricted to the iPhone 17 when the same feature has been supported by third-party apps all the way back to the iPhone 11, so is clearly nothing to do with hardware capabilities. When it comes to the latest health features, however, the company is wisely taking a far more inclusive approach … Hypertension alerts The

Topics: apple feature health sleep watch

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Apple Watch Series 11 vs. Samsung Galaxy Watch 8: I've tested both, and here's the winner

zdnet.com Nina Raemont 2025-10-06 10:20:00

Nina Raemont/ZDNET Follow ZDNET: Add us as a preferred source on Google. Apple unveiled its Watch Series 11 during this week's iPhone event, alongside two other smartwatch models. The Series 11 gets Sleep Scores (crowd roars), a longer battery life, and all of Apple's WatchOS 26 software, which is expected to be released to the public soon. Also: I tried the Apple Watch Series 11, Watch Ultra 3, and SE - what the keynote didn't tell you But how does it compare to its closest Android rival, t

Topics: ai apple samsung watch workout

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A desktop environment without graphics (tmux-like)

news.ycombinator.com Unknown 2025-10-03 22:07:14

A desktop environment without graphics (tmux-like). Features: Parse shortcut files containing apps Parse shortcut files containing apps Display any application or command that uses stdout Display any application or command that uses stdout Move and resize windows Move and resize windows Change tilling options Change tilling options Handle application error Handle application error Select a file or a folder to then use it as an application or command argument Select a file or a folder to

Topics: application cargo command shortcut use

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A polyglot's guide to multiple-dispatch (2016)

news.ycombinator.com Unknown 2025-10-02 16:49:20

This is the first article in a series dedicated to multiple dispatch - an advanced abstraction technique available to programmers out-of-the-box in some languages, and implementable in others. This first post in the series presents the technique and explains the problem it intends to solve. It uses C++ as the presentation language because C++ does not support multiple dispatch directly, but can be used to implement it in various ways. Showing how multiple dispatch is implemented in a language th

Topics: const dispatch ellipse rectangle shape

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A polyglot's guide to multiple-dispatch

news.ycombinator.com Unknown 2025-10-02 21:49:20

This is the first article in a series dedicated to multiple dispatch - an advanced abstraction technique available to programmers out-of-the-box in some languages, and implementable in others. This first post in the series presents the technique and explains the problem it intends to solve. It uses C++ as the presentation language because C++ does not support multiple dispatch directly, but can be used to implement it in various ways. Showing how multiple dispatch is implemented in a language th

Topics: const dispatch ellipse rectangle shape

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Apple Watch Ultra 3 vs Series 11, Ultra 2 battery life: Big upgrades

9to5mac.com Ryan Christoffel 2025-10-06 21:39:01

Apple Watch Ultra 3 is the first new Ultra model to come with battery life gains, but Apple Watch Series 11 brings battery increases too. Here’s how Apple’s two new flagship Watch models compare against each other and Apple Watch Ultra 2 in battery life. Battery life comparison: Apple Watch Ultra 3, Ultra 2, Series 11 Out of all of Apple Watch Ultra’s unique strengths, battery life has long been a key differentiator. This year, Apple is increasing battery on the Ultra 3 to be longer than ever

Topics: apple battery series ultra watch

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Here’s everything Apple discontinued after the ‘Awe Dropping’ event

9to5mac.com Marcus Mendes 2025-10-06 22:36:07

As it usually does, Apple discontinued a few products to make room for everything it announced during Tuesday’s event. Here’s the full list of products that Apple dropped, following the ‘Awe Dropping’ presentation. The vintage clock is now ticking for these products Every time Apple announces new products, it immediately stops selling some of its previous versions, although they remain available from third-party retailers, usually at pretty attractive discounts. Yesterday was no different. Fo

Topics: apple iphone pro products watch

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Clojure's Solutions to the Expression Problem

news.ycombinator.com Chris Houser 2025-10-03 20:31:50

At times, to evolve your product, you need to rebuild it from scratch. The article provides the story behind the rewrite of InfluxDB from scratch using a different programming language - Rust - and stack - Apache Flight, Data Fusion, Apache Arrow and Parquet (FDAP). It emphasises the benefits, as well as the mechanics behind its operation and the different versions of the product.

Topics: apache benefits different product scratch

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What Time Is the Next Nintendo Direct? How to Watch September's Nintendo Direct

cnet.com See Full Bio 2025-10-07 01:19:00

Another Nintendo Direct is just around the corner. The gaming giant is heading into the holiday season with the recently released Switch 2, and it will likely show off some of the big games coming out for the console. That could start its celebration of its most iconic mascot. Nintendo says its next Nintendo Direct will take place on Friday, Sept. 12, according to a post on X on Wednesday from the company's account. As is typically the case with these teasers, Nintendo didn't reveal many detail

Topics: direct game mario nintendo switch

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Surprise! High Blood Pressure Alerts Are Coming to Your Existing Apple Watch Soon

cnet.com See Full Bio 2025-10-07 02:06:00

Turns out the biggest new Apple Watch health features don't require new hardware. One of the standout moments at Apple's September iPhone event was the announcement of two new health features on the Apple Watch: hypertension notifications and a new sleep score. Hypertension notifications will alert Apple Watch owners of potential signs of high blood pressure, a condition that goes undiagnosed in millions of people. Sleep Score, meanwhile, grades the quality of your rest on a 0–100 scale. Becaus

Topics: apple new score sleep watch

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Thursday Night Football: How to Watch Commanders vs. Packers

cnet.com See Full Bio 2025-10-07 02:15:25

When to watch the Washington Commanders and Green Bay Packers? Thursday, Sept. 11, at 8:15 p.m. ET (5:15 p.m. PT). Where to watch The Commanders and Packers game will stream live on Prime Video and for free on Twitch. Fans in the home markets of each team can also watch on a local channel. Playoff teams from a year ago, the Commanders and Packers get Week 2 of the 2025 NFL season started tomorrow night at Lambeau Field. If you're looking for this game on your TV, you'll need to close out of

Topics: game prime tv video watch

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Everything Announced at Apple Event 2025: iPhone Air, iPhone 17, AirPods Pro 3 and New Apple Watches

cnet.com See Full Bio 2025-10-07 06:03:21

Each September, Apple's product release playbook dials up the unveiling of the company's newest line of iPhones, along with a variety of complementary gadgets. On Tuesday, the company took the wraps off the iPhone 17 in all its variations, most notably the new skinny iPhone Air, along with new Apple Watches -- Series 11 and Ultra 3 -- and an upgrade to its 2-year-old AirPods Pro 2 earbuds. Along with the hardware, Apple is rolling out the new versions of the devices' respective operating system

Topics: apple iphone new pro watch

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What Time Is the Next Nintendo Direct?: How to Watch September's Nintendo Direct

cnet.com See Full Bio 2025-10-07 06:19:00

Another Nintendo Direct is just around the corner. The gaming giant is heading into the holiday season with the recently released Switch 2, and it will likely show off some of the big games coming out for the console. That could start its celebration of its most iconic mascot. Nintendo says its next Nintendo Direct will take place on Friday, Sept. 12, according to a post on X on Wednesday from the company's account. As is typically the case with these teasers, Nintendo didn't reveal many detail

Topics: direct game mario nintendo switch

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Defeating Nondeterminism in LLM Inference

news.ycombinator.com Horace He In Collaboration With Others At Thinking Machines 2025-10-07 09:26:08

Reproducibility is a bedrock of scientific progress. However, it’s remarkably difficult to get reproducible results out of large language models. For example, you might observe that asking ChatGPT the same question multiple times provides different results. This by itself is not surprising, since getting a result from a language model involves “sampling”, a process that converts the language model’s output into a probability distribution and probabilistically selects a token. What might be mor

Topics: batch inference reduction size strategy

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Nomad's latest Apple Watch band is bright enough to stop traffic - and it's my new favorite

zdnet.com Kayla Solino 2025-10-07 14:55:00

Nomad Tempo Apple Watch Band ZDNET's key takeaways The $49 Nomad Tempo watch band fits nearly every Apple Watch It comes in four colors and is breathable and flexible for active lifestyles It lacks a truly neutral color option, and some may not want an FKM band. View now at Nomad Goods Follow ZDNET: Add us as a preferred source on Google. Nomad just launched a new Apple Watch band that's eerily similar to the former Sport Slim band, and its colors are so bright that they may just stop traffi

Topics: band fkm nomad tempo watch

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The Apple Watch Ultra 3 Delivers on a Long-Awaited Upgrade

cnet.com See Full Bio 2025-10-07 13:30:00

If you're more comfortable hiking mountain trails or gliding under water, or you just prefer a chunky smartwatch with days of battery life, your patience over the last couple of years has paid off. At Tuesday's big fall event, Apple officially announced the Apple Watch Ultra 3, the next generation of Apple's high-performance smartwatch. The Ultra 3 adds a brighter, larger display, 5G cellular communication, satellite connectivity, a battery life increase of up to 42 hours and the ability to det

Topics: apple battery satellite ultra watch

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PSA: The new Sleep Score feature works with third-party devices

9to5mac.com Marcus Mendes 2025-10-07 22:56:32

Here’s one cool addition to yesterday’s information about how the Sleep Score feature works on older Apple Watch models: in fact, it even works with third-party accessories, provided they offer a sleep tracking feature. Here are the details. Sleep Score is not necessarily tied to the Apple Watch sleep tracking feature As noted by Rudrank Riyam on X, you don’t even need to own an Apple Watch to see your sleep score in the Health app on iOS 26: Sleep score is independent of the apple watch. Thi

Topics: apple feature score sleep watch

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An hour-long Nintendo Direct is set for September 12

engadget.com Unknown 2025-10-08 01:59:36

Hold on to your Cappy, a Nintendo Direct is coming your way later this week. Nintendo has scheduled an hour-long presentation for September 12 at 9AM ET. You don't often see Nintendo running Direct streams on Fridays, but hey, we'll take it. There may be a Mario-shaped reason for this timing, too. You can watch the showcase above, on YouTube or in the Nintendo Today! app. The Direct will include information on Nintendo Switch and Switch 2 games. In terms of safe bets, we'll likely get some more

Topics: direct ll mario nintendo switch

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Android’s anti-theft protections will soon become less annoying thanks to your smartwatch

androidauthority.com Unknown 2025-10-08 10:00:06

Mishaal Rahman / Android Authority TL;DR Google is making its “Identity Check” anti-theft feature more convenient by integrating it with smartwatch proximity. This allows users to use their PIN or password as a fallback to biometrics, even outside a trusted location, as long as their watch is nearby. Expected to land in a future Android 16 quarterly release, the feature may only work with the Google Pixel Watch 3 and newer models. Android offers a number of optional theft protection features

Topics: android check feature identity watch

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Is the Apple Watch SE 3 worth it? Here's how it compares to the 2022 Watch SE 2

zdnet.com Kayla Solino 2025-10-08 18:02:42

Rene Ramos/ZDNET/Apple Apple recently unveiled the new iPhone 17 lineup at its annual September hardware event, and its core smartwatch finally got a much-needed facelift. That's right, the Apple Watch SE 2 is officially retired, as the Watch SE 3 takes its place with fresh upgrades. The Watch SE 3 joins two other new wearables from Apple -- the Watch Series 11 and the more advanced Watch Ultra 3. While both of the latter watches saw some sizzling upgrades, the Watch SE 3 got some long-awaited

Topics: apple model new se watch

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Apple Events live updates: iPhone 17, iPhone Air, AirPods Pro 3, and reactions to new wearables

zdnet.com Zdnet Editors 2025-10-08 18:46:00

Jason Hiner/ZDNET Follow ZDNET: Add us as a preferred source on Google. Apple pulled back the curtain on its latest product lineup during its "Awe Dropping" keynote in Cupertino this week. The hour-long event revealed a host of new products, including the iPhone 17 series, Apple Watch Series 11, Apple Watch Ultra 3, and AirPods Pro 3. ZDNET was on-site to cover the announcements, and we've compiled a summary of the biggest news from the event. We'll continue to provide updates as we get them.

Topics: apple iphone pro sept watch

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Older Apple Watches are getting a major health-tracking feature thought to be exclusive to the Series 11

zdnet.com David Gewirtz 2025-10-08 18:53:00

Jason Hiner/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways Apple Watch 11 spotlighted hypertension notifications at launch. The fine print shows Series 9 and Ultra 2 owners also benefit. Older Apple Watch models make upgrading less urgent for health monitoring. Apple product launches are among the most anticipated, intensely hyped tech events of the year, especially the September iPhone extravaganza. The entire tech industry pauses when Apple does its thi

Topics: 11 apple hypertension series watch

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I've worn my Apple Watch Ultra for 2 years - here's what it looks like now

zdnet.com Adrian Kingsley-Hughes 2025-10-08 19:02:00

Nearly two years old, and my Apple Watch Ultra 2 is still going strong. Adrian Kingsley-Hughes/ZDNET Follow ZDNET: Add us as a preferred source on Google. ZDNET's key takeaways I've worn my Ultra 2 almost continuously for two years. It's been banged, smashed, soaked, baked, and frozen. Apart from a few small superficial scratches, it's still going strong. Today, my Apple Watch Ultra 2 is 702 days old. I've worn it nearly 24/7 since October 2023. It only comes off my wrist to charge, and t

Topics: apple ultra ve watch zdnet

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Should you upgrade to Apple Watch Series 11? Here's how it compares to older models

zdnet.com Maria Diaz 2025-10-08 19:05:00

Screenshot: Apple, Design: Maria Diaz/ZDNET Follow ZDNET: Add us as a preferred source on Google. I'm an Apple loyalist, but I don't upgrade my devices every year. Longevity is one of my favorite things about Apple hardware; I can be reassured that my investments will last me for years. When a shiny new product rolls around, I don't feel the pull to swap out the one I have at home that still works perfectly. This is why I still rock my Apple Watch Series 7 after four years, and why I have yet

Topics: 10 11 apple series watch

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Did the AirPods Pro just make the Apple Watch obsolete? This new feature tells me yes

zdnet.com Jada Jones 2025-10-08 19:10:00

Nina Raemont/ZDNET Follow ZDNET: Add us as a preferred source on Google. The AirPods Pro 3 are confirmed to feature in-ear heart rate sensing. Alongside iOS 26 updates to the iPhone's Fitness app, users can now start a workout session in the app and use the Pro 3 earbuds to track heart rate, time spent exercising, and calories burned. They can close their Move ring, and earn rewards in the app -- no Watch needed. Also: Is Apple Watch Series 11 worth the upgrade? Here's how it compares to olde

Topics: airpods apple fitness pro watch

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Latest Tech News

Show HN: Making a cross-platform game in Go using WebRTC Datachannels

FTC orders AI companies to hand over info about chatbots’ impact on kids

Alphabet, Meta, OpenAI, xAI and Snap face FTC probe over AI chatbot safety for kids

Apple Watch Series 11, SE 3, and Ultra 3 Hands-On: Time for a Bigger Reboot?

Thursday Night Football: How to Watch Commanders vs. Packers Tonight

Two ways Apple is (wisely) being inclusive about its latest health features

Apple Watch Series 11 vs. Samsung Galaxy Watch 8: I've tested both, and here's the winner

A desktop environment without graphics (tmux-like)

A polyglot's guide to multiple-dispatch (2016)

A polyglot's guide to multiple-dispatch

Apple Watch Ultra 3 vs Series 11, Ultra 2 battery life: Big upgrades

Here’s everything Apple discontinued after the ‘Awe Dropping’ event

Clojure's Solutions to the Expression Problem

What Time Is the Next Nintendo Direct? How to Watch September's Nintendo Direct

Surprise! High Blood Pressure Alerts Are Coming to Your Existing Apple Watch Soon

Thursday Night Football: How to Watch Commanders vs. Packers

Everything Announced at Apple Event 2025: iPhone Air, iPhone 17, AirPods Pro 3 and New Apple Watches

What Time Is the Next Nintendo Direct?: How to Watch September's Nintendo Direct

Defeating Nondeterminism in LLM Inference

Nomad's latest Apple Watch band is bright enough to stop traffic - and it's my new favorite

The Apple Watch Ultra 3 Delivers on a Long-Awaited Upgrade

PSA: The new Sleep Score feature works with third-party devices

An hour-long Nintendo Direct is set for September 12

Android’s anti-theft protections will soon become less annoying thanks to your smartwatch

Is the Apple Watch SE 3 worth it? Here's how it compares to the 2022 Watch SE 2

Apple Events live updates: iPhone 17, iPhone Air, AirPods Pro 3, and reactions to new wearables

Older Apple Watches are getting a major health-tracking feature thought to be exclusive to the Series 11

I've worn my Apple Watch Ultra for 2 years - here's what it looks like now

Should you upgrade to Apple Watch Series 11? Here's how it compares to older models

Did the AirPods Pro just make the Apple Watch obsolete? This new feature tells me yes

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