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Show HN: An AI agent that learns your product and guides your users

news.ycombinator.com Unknown 2025-12-23 15:24:50

Hey HN! My name is Christian, and I’m the co-founder of https://frigade.ai . We’ve built a powerful AI agent that automatically learns how to use any web-based product, and in turn guides users directly in the UI, automatically generates documentation, and even takes actions on a user’s behalf. Think of it as Clippy from the old MS Office. But on steroids. And actually helpful. You can see the agent and tool-calling SDK in action here: https://www.youtube.com/watch?v=UPe0t3A1Vpg How is this di

Topics: agent ai just product user

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'70 MPH e-bikes' prompt one US state to change its laws

news.ycombinator.com Micah Toll 2025-12-24 00:47:12

Electric bikes are booming in popularity in just about every demographic in the US. From teens riding to school all the way to elderly folks getting back on a bicycle for the first time in years, electric bikes are becoming ubiquitous. But as speeds and power levels have increased, Connecticut is responding with new laws. Westport Police Lt. Serenity Dobson recently spoke to CTInsider about the phenomenon of more teens riding their e-bikes to school instead of being driven by their parents. “Th

Topics: bikes dobson electric like mph

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Hexatetrahedral Rails

news.ycombinator.com Unknown 2025-12-20 05:56:32

Software is a creative endeavor and a craft. And like any creative endeavor and any craft, it is subject to fashions. About a decade ago, one of those fashions was Hexagonal Rails largely inspired by the DDD book, but also by the original Hexagonal Architecture work by Dr. Cockburn. Some of these applications are now up for their Rails upgrade and an “oil change,” and it’s interesting to see them in the wild and how they get perceived through the lens of the years that have gone by since then.

Topics: app architecture methods need rails

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Optician Sans – A free font based on historical eye charts and optotypes

news.ycombinator.com Unknown 2025-12-24 00:11:58

Press & contact Feel free to use images, movies and gifs from this Dropbox folder if you want to feature this on your blog or website. Send us an e-mail for more information or other requests.

Topics: blog contact dropbox feature feel

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Google confirms it will sign the EU AI Code of Practice

arstechnica.com Unknown 2025-12-24 00:14:50

Big Tech is increasingly addicted to AI, but many companies are allergic to regulation, bucking suggestions that they adhere to copyright law and provide data on training. In a rare move, Google has confirmed it will sign the European Union's AI Code of Practice, a framework it initially opposed for being too harsh. However, Google isn't totally on board with Europe's efforts to rein in the AI explosion. The company's head of global affairs, Kent Walker, noted that the code could stifle innovati

Topics: ai code company google practice

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NordVPN joins the scam call fight on Android

androidauthority.com Unknown 2025-12-24 05:24:52

Andy Walker / Android Authority TL;DR NordVPN has launched a Scam Call Protection feature for Android users in the US. It flags suspicious numbers using metadata, without listening to or storing call content. The feature works on any Android device with the NordVPN app and Premium plan. Scam calls aren’t slowing down and are getting smarter in many cases. While most modern smartphones already do a decent job of flagging suspicious numbers, NordVPN thinks it can do better. The company has jus

Topics: android feature nordvpn protection scam

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Flickering lights could help fight misinformation

engadget.com Unknown 2025-12-24 05:58:29

A group of Cornell computer scientists has unveiled what they believe could be a new tool in the fight against AI‑generated video, deepfakes and doctored clips. The watermarking technique, called “noise‑coded illumination,” hides verification data in light itself to help investigators spot doctored videos. The approach, devised by Peter Michael, Zekun Hao, Serge Belongie and assistant professor Abe Davis, was published in the June 27 issue of ACM Transactions on Graphics and will be presented b

Topics: code conference doctored video videos

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Words about Arrays and Tables

news.ycombinator.com Unknown 2025-12-24 05:15:30

July 30, 2025 2000 words about arrays and tables THEY'RE JUST FUNCTIONS I'm way too discombobulated from getting next month's release of Logic for Programmers ready, so I'm pulling a idea from the slush pile. Basically I wanted to come up with a mental model of arrays as a concept that explained APL-style multidimensional arrays and tables but also why there weren't multitables. So, arrays. In all languages they are basically the same: they map a sequence of numbers (I'll use 1..N ) to homog

Topics: array arrays function int type

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Physicists Catch ‘Ghost Particles’ Bouncing Off Matter in Record-Breaking Experiment

gizmodo.com Gayoung Lee 2025-12-24 05:00:53

Neutrinos are everywhere. About 100 trillion neutrinos pass through our bodies every second, but they’re so weakly interacting we never notice them. It’s this spooky feature of neutrinos that earned them the nickname “ghost particles.” Antineutrinos, their antimatter counterpart, are also everywhere. Both are notoriously difficult to detect, but physicists are getting better at circumventing their ghostly tendencies, as a recent record-setting measurement demonstrates. When a low-energy neutrin

Topics: antineutrinos like neutrino neutrinos reactor

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Skechers is making kids’ shoes with a hidden AirTag compartment

techcrunch.com Amanda Silberling 2025-12-24 05:13:18

Skechers introduced a line of kids’ sneakers that contain a hidden compartment where parents can slip in an Apple AirTag. Inside the heel of the shoe, a small insert can be lifted to reveal the compartment. Then, parents can track the location of their child — or, at least their child’s shoes. These shoes don’t come with an AirTag, and they don’t appear to be an actual collaboration with Apple, but rather, a third-party product that Skechers has developed on its own. The shoes were announced i

Topics: airtag airtags apple like products

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Google will sign EU's AI Code of Practice

engadget.com Unknown 2025-12-24 10:07:41

Google says it will sign the European Union’s new AI Code of Practice, which provides a framework for compliance with the EU’s AI Act. The act itself was passed in 2024, but its many provisions will take months to years to come into effect. The non-binding Code of Practice is a voluntary measure intended to help ensure that companies generally meet the obligations laid out by the Act in the meantime. In a blog post announcing Google’s participation, the tech giant shared some skepticism about t

Topics: act ai code eu europe

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Writing memory efficient C structs

news.ycombinator.com Tom Scheers 2025-12-24 09:32:23

29 July 2025 Writing memory efficient C structs by Tom Scheers A struct in C is the best way to organize your data so that you can easily use the data later in your program. However, there are a few caveats to C structures, mainly how their memory works. Our struct struct Monster { bool is_alive ; // Used to see whether or not the monster is alive int health ; // Health of the monster int damage_hit ; // Damage they deal per hit char name [ 64 ]; // Name of the monster with a max of 63 char

Topics: bool bytes health monster struct

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Bitmapist: We built an open-source cohorts analytics tool that saved millions

news.ycombinator.com Unknown 2025-12-24 09:33:37

At Doist, we love making smart bets. Sometimes, the smartest decision isn’t to pick the biggest or shiniest tool out there but to build a small tool that does exactly what’s needed. That’s how Bitmapist came to life—a powerful, open-source cohort analytics library that’s been quietly driving smarter decisions and saving us millions of dollars. Why We Built Bitmapist Several years ago, we faced a common startup challenge: we needed robust cohort analytics to gain a deeper understanding of how p

Topics: active analytics bitmapist cohort user

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Will online safety laws become the next tariff bargaining chip?

theverge.com Lauren Feiner 2025-12-24 10:49:31

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. President Donald Trump and other Republicans have railed for years against foreign regulation of US tech companies, including online safety laws. As the US fights a global tariff war, it may bring those rules under fire — just as some of them are growing teeth. Over the past weeks

Topics: act content safety tech trump

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AAPL Q3 2025: Analysts expect low growth, iPhone and Mac up, iPad down

9to5mac.com Ben Lovejoy 2025-12-24 15:26:48

We’re just a day away from the AAPL Q3 2025 earnings report, covering April to June. Apple said it expected single-digit growth, and analysts expect this to be toward the lower end of the scale. Digging into the detail, the consensus view is that both iPhone and Mac revenue will be up year-on-year, while iPad earnings will be down … AAPL Q3 2025 revenue expectations Apple saw revenue grow 5% year-on-year in fiscal Q2, and said we should expect similar in Q3. Analysts are slightly more pessimi

Topics: apple expect growth revenue year

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State capacity and eight parking spaces

news.ycombinator.com Unknown 2025-12-24 06:37:39

Jul 29, 2025 politics government infrastructure seattle State Capacity and Eight Parking Spaces Ezra Klein and Derek Thompson’s book, Abundance, makes a compelling case that American government has systematically eroded its own capacity to build things. Through decades of well-intentioned regulations, environmental reviews, and bureaucratic processes, we’ve created a system that prioritizes blocking bad projects over enabling good ones. The result is a country that can’t build high-speed rail,

Topics: charging ev infrastructure project projects

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The Arctic Got So Warm in February, Svalbard’s Ground Was ‘Like Soft Ice Cream’

gizmodo.com Matt Simon 2025-12-24 15:00:08

The Arctic island of Svalbard is so reliably frigid that humanity bet its future on the place. Since 2008, the Svalbard Global Seed Vault—set deep in frozen soil known as permafrost—has accepted nearly 1.4 million samples of more than 6,000 species of critical crops. But the island is warming six to seven times faster than the rest of the planet, making even winters freakishly hot, at least by Arctic standards. Indeed, in 2017, an access tunnel to the vault flooded as permafrost melted, though t

Topics: arctic ice soil svalbard warming

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Adobe releases Windows on Arm versions of Premiere Pro and After Effects

theverge.com Tom Warren 2025-12-24 15:02:55

is a senior editor and author of Notepad , who has been covering all things Microsoft, PC, and tech for over 20 years. Adobe is finally releasing Windows on Arm versions of Premiere Pro, After Effects, Audition, and Media Encoder this week. All four apps are available as public beta versions, but they do lack some features or have some known issues compared to the versions available for Intel-powered systems. The native ARM64 version of Premiere Pro won’t currently include support for third-pa

Topics: arm effects export version windows

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Google says it will sign EU’s AI code of practice

techcrunch.com Ram Iyer 2025-12-24 20:57:03

Google has confirmed it will sign the European Union’s general purpose AI code of practice, a voluntary framework that aims to help AI developers implement processes and systems to comply with the bloc’s AI Act. Notably, Meta earlier this month said it would not sign the code, calling the EU’s implementation of its AI legislation “overreach,” and stating that Europe was “heading down the wrong path on AI.” Google’s commitment comes days before rules for providers of “general-purpose AI models

Topics: act ai code eu risk

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State Capacity and Eight Parking Spaces

news.ycombinator.com Unknown 2025-12-25 00:37:39

Jul 29, 2025 politics government infrastructure seattle State Capacity and Eight Parking Spaces Ezra Klein and Derek Thompson’s book, Abundance, makes a compelling case that American government has systematically eroded its own capacity to build things. Through decades of well-intentioned regulations, environmental reviews, and bureaucratic processes, we’ve created a system that prioritizes blocking bad projects over enabling good ones. The result is a country that can’t build high-speed rail,

Topics: charging ev infrastructure project projects

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Missionaries Are Targeting Isolated Tribes in Brazil With Solar-Powered Audio Devices, Investigation Finds

gizmodo.com Margherita Bassi 2025-12-25 06:00:40

If you thought the age of Christian missionaries traveling the world to spread the word of God and evangelize locals was over, think again—they’ve just gotten sneakier. A recent investigation by The Guardian and the Brazilian newspaper O Globo reveals that missionaries have left solar-powered audio devices in Brazil’s Javari valley, near the Peruvian border, in an attempt to evangelize isolated or recently contacted Indigenous Amazonian people. The devices play biblical readings in Portuguese a

Topics: contact device devices indigenous investigation

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Footnotes, TikTok’s crowdsourced fact-checks, launches in the US

techcrunch.com Sarah Perez 2025-12-25 06:00:00

TikTok on Wednesday announced the public launch of Footnotes, a crowdsourced fact-checking system similar to X and Meta’s Community Notes feature. The technology will initially roll out to U.S. users as a pilot program, allowing contributors to both write and rate Footnotes on TikTok videos. All U.S. TikTok users are able to view the notes that have been rated as helpful and submit their own ratings in return. The company first announced its plans to test Footnotes in April. At the time, it de

Topics: community disrupt fact notes tiktok

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South Korea's LG Energy Solution signs $4.3 billion battery supply deal with undisclosed party

cnbc.com Dylan Butts 2025-12-25 09:46:15

The logo of LG Electronics is seen on the opening day of the Integrated Systems Europe exhibition in Barcelona on January 31, 2023. South Korea-based LG Energy Solution announced Wednesday that it had signed a $4.3 billion contract for supplying batteries to a major corporation, without naming the customer. The effective date of contract — receipt of orders — was Tuesday and it will conclude at the end of July, 2030. During this period, the counterparty will not be disclosed to maintain busine

Topics: company contract energy lg tesla

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This special Mail app toggle helps protect you from sketchy emails

9to5mac.com Michael Burkhardt 2025-12-25 15:39:54

9to5Mac is brought to you by Incogni: Protect your personal info from prying eyes. With Incogni, you can scrub your deeply sensitive information from data brokers across the web, including people search sites. Incogni limits your phone number, address, email, SSN, and more from circulating. Fight back against unwanted data brokers with a 30-day money back guarantee. A couple years ago, Apple introduced a new feature for Apple Mail users called Mail Privacy Protection. It isn’t on by default, th

Topics: apple email mail privacy protection

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Placing Functions

news.ycombinator.com Yoshua Wuyts 2025-12-23 11:36:24

placing functions — 2025-07-08 What are placing functions? About a year ago I observed that in-place construction seems surprisingly simple. By separating the creating of the place in memory from writing the value to memory, it’s not that hard to see how we can turn that into a language feature. So about six months ago, that’s what I went ahead and did and created the placing crate: a proc-macro-based prototype for “placing functions”. Placing functions are functions whose return type is con

Topics: cat function functions placing self

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Today's NYT Connections Hints, Answers and Help for July 30, #780

cnet.com See Full Bio 2025-12-25 18:00:00

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. Oh man, today's NYT Connections puzzle is a true brain-buster. The blue and purple categories are tough, but I found the green group to be tough as well. Need help? Read on for clues and today's Connections answers. The Times now has a Connections Bot, like the one for Wo

Topics: answers connections group today words

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Today's NYT Connections: Sports Edition Hints and Answers for July 30, #310

cnet.com See Full Bio 2025-12-25 18:00:10

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. The purple category for Connections: Sports Edition was extra sneaky today. The theme went right over my head, but made sense once it was revealed. Read on for hints and the answers if you run into problems like I did. Connections: Sports Edition is out of beta now, making its debut on Super

Topics: answers connections group sports today

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AI in Wyoming may soon use more electricity than state’s human residents

arstechnica.com Unknown 2025-12-25 20:24:16

On Monday, Mayor Patrick Collins of Cheyenne, Wyoming, announced plans for an AI data center that would consume more electricity than all homes in the state combined, according to the Associated Press. The facility, a joint venture between energy infrastructure company Tallgrass and AI data center developer Crusoe, would start at 1.8 gigawatts and scale up to 10 gigawatts of power use. The project's energy demands are difficult to overstate for Wyoming, the least populous US state. The initial

Topics: electricity project state twh wyoming

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Crippling Google Home issues spark potential class action response

androidauthority.com Unknown 2025-12-25 23:42:01

Edgar Cervantes / Android Authority TL;DR A US law firm is investigating a possible class action against Google. The class action would be focused on the deteriorating performance of Home and Nest devices. Recently, users have reported that their smart home devices are increasingly misunderstanding commands or failing to respond. It’s been rough for Google Home users as of late. A growing number of them have been experiencing issues with their smart home devices, ranging from misheard comman

Topics: action devices google home users

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JPMorgan doubles down on iPhone Fold predicted release date, pricing, more

9to5mac.com Marcus Mendes 2025-12-26 00:58:10

As Apple prepares to unveil the iPhone 17 lineup in a few weeks, investor attention is already shifting to what could be a much more significant update in 2026, with the introduction of a foldable iPhone. That includes JPMorgan, which just released new predictions on what to expect. September 2026 launch, with a $1,999 price tag In a note to clients (via CNBC), JPMorgan analyst Samik Chatterjee said Apple is likely to launch its first foldable iPhone in September 2026, echoing expectations se

Topics: 2026 apple expected foldable iphone

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Latest Tech News

Show HN: An AI agent that learns your product and guides your users

'70 MPH e-bikes' prompt one US state to change its laws

Hexatetrahedral Rails

Optician Sans – A free font based on historical eye charts and optotypes

Google confirms it will sign the EU AI Code of Practice

NordVPN joins the scam call fight on Android

Flickering lights could help fight misinformation

Words about Arrays and Tables

Physicists Catch ‘Ghost Particles’ Bouncing Off Matter in Record-Breaking Experiment

Skechers is making kids’ shoes with a hidden AirTag compartment

Google will sign EU's AI Code of Practice

Writing memory efficient C structs

Bitmapist: We built an open-source cohorts analytics tool that saved millions

Will online safety laws become the next tariff bargaining chip?

AAPL Q3 2025: Analysts expect low growth, iPhone and Mac up, iPad down

State capacity and eight parking spaces

The Arctic Got So Warm in February, Svalbard’s Ground Was ‘Like Soft Ice Cream’

Adobe releases Windows on Arm versions of Premiere Pro and After Effects

Google says it will sign EU’s AI code of practice

State Capacity and Eight Parking Spaces

Missionaries Are Targeting Isolated Tribes in Brazil With Solar-Powered Audio Devices, Investigation Finds

Footnotes, TikTok’s crowdsourced fact-checks, launches in the US

South Korea's LG Energy Solution signs $4.3 billion battery supply deal with undisclosed party

This special Mail app toggle helps protect you from sketchy emails

Placing Functions

Today's NYT Connections Hints, Answers and Help for July 30, #780

Today's NYT Connections: Sports Edition Hints and Answers for July 30, #310

AI in Wyoming may soon use more electricity than state’s human residents

Crippling Google Home issues spark potential class action response

JPMorgan doubles down on iPhone Fold predicted release date, pricing, more

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