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A Fast, Growable Array with Stable Pointers in C

news.ycombinator.com Unknown 2026-01-18 00:21:28

August 5, 2025・6 minute read My last article about generic data structures in C was written to set the stage for today’s topic: A data structure that can be used in place of dynamic arrays, has stable pointers, and works well with arena allocators. It’s been independently discovered by different programmers over the years and so goes by different names. A 2001 paper called it a “levelwise-allocated pile” (bleh). Others call it an “exponential array”. I use the name “segment array”. I use C in

Topics: array items sa segment segments

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Verizon will give you a free Samsung flip phone right now - how to qualify for the deal

zdnet.com Allison Jewell 2026-01-18 03:09:00

Sabrina Ortiz/ZDNET As they say, fashion is cyclical. It turns out that phones are, too, because flip phones are so back. Gone are the days of clunky phones that don't fit in tiny pockets. Samsung has just released its brand new Z Flip 7, an AI-full upgrade to one of its most unique smartphone models. Also: T-Mobile will give you the iPhone 16e for free with no trade-in - here's how to get yours However, Verizon is now offering the Samsung Galaxy Z Flip 7 for free when you trade in a qualify

Topics: deal flip phone samsung zdnet

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Your Samsung TV is getting a huge feature upgrade - 3 AI tools launching right now

zdnet.com Artie Beaty 2026-01-18 05:41:00

Kerry Wan/ZDNET ZDNET's key takeaways Samsung is rolling out a redesigned version of Bixby on smart TVs. The new Bixby will have upgraded conversational abilities. You'll also be able to control smart home devices. If you have a Samsung television, you're about to get a big upgrade to your TV's built-in Bixby assistant. In a recent announcement, Samsung detailed a redesigned Bixby that brings a host of new features, including the ability to look up information, utilize Click to Search, and

Topics: bixby samsung smart tv tvs

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Wild pigs' flesh turning neon blue in California: Authorities sounding the alarm

news.ycombinator.com Salvador Hernandez 2026-01-18 05:28:56

This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Credit: Pixabay/CC0 Public Domain Dan Burton has trapped hundreds of wild pigs for clients of his wildlife control company in Salinas, but even he was startled when he cut one of them open and found blue meat inside. "I'm not talking about a little blue," said Burton, owner of Urban Trapping Wildlife Control. "I'm

Topics: animals burton pigs poison said

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Google swears it isn’t destroying the web with AI search

theverge.com Emma Roth 2026-01-18 05:31:47

is a news writer who covers the streaming wars, consumer tech, crypto, social media, and much more. Previously, she was a writer and editor at MUO. Posts from this author will be added to your daily email digest and your homepage feed. Google says its AI search features aren’t tanking website traffic despite recent reports suggesting otherwise. In a blog post published on Wednesday, Google Search head Liz Reid says click volume from the search engine has remained “relatively stable” when compa

Topics: ai google reid says search

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Match Group pops 10% as dating company shows early signs of a turnaround

cnbc.com Samantha Subin 2026-01-18 10:16:49

Match Group shares popped more than 10% on Wednesday after the online dating company issued upbeat guidance and said new products are showing promise as it attempts to turnaround its business. The Dallas-based company said it expected revenues between $910 million and $920 million in the current quarter, beating a $890 million estimate from analysts polled by FactSet. "We are operating like a company that is just getting started, and we believe the best chapters of the category and company are

Topics: company match million new said

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The Origin of Cisco Systems

news.ycombinator.com Unknown 2026-01-15 16:48:15

The following account of the real origins of Cisco Systems, as opposed to the history often recounted in Cisco company literature, was written in 1999 by Tom Rindfleisch. Rindfleisch was Director of the SUMEX-AIM project (1973-1990), under which the software for a powerful Internet router system was developed and widely deployed at Stanford and elsewhere for research purposes. That code found its way, without approval from the original developers, to form the basis of the Cisco router. Tom Rindf

Topics: bosack cisco internet router stanford

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The Hulu App May Not Be Long for This World

gizmodo.com Bruce Gil 2026-01-18 10:00:08

Hulu shows and movies have been available to stream on Disney+ for a while now, but Disney announced today that it finally plans to fully merge the two into a single app. Disney CEO Bob Iger and CFO Hugh Johnston dropped the news in the company’s third-quarter earnings report this morning. In a statement, the two said that work is already underway to introduce new improvements in the Disney+ app in the coming months, including a more personalized homepage. They added that all this work will cu

Topics: app disney hulu said streaming

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NASA Approves Ted Cruz’s Plan to Move a Space Shuttle to Houston, Setting Up a Fight With the Smithsonian

gizmodo.com Passant Rabie 2026-01-18 10:40:56

NASA has selected a yet-to-be-named Space Shuttle to move to Houston, conceding to a long-running bid by Texas senators to house one of the iconic vehicles. If the chosen vehicle is Discovery—which it likely is—the Smithsonian, which houses the vehicle, may put up a fight. The Trump administration included the shuttle’s relocation in the budget reconciliation bill, signed it into law on July 4, and set aside $85 million for the move and construction of a new facility in Houston. At the time, Te

Topics: discovery houston nasa shuttle space

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Google’s AI coding agent Jules is now out of beta

techcrunch.com Jagmeet Singh 2026-01-18 10:00:00

Google on Wednesday launched its AI coding agent, Jules, out of beta, just over two months after its public preview debut in May. Powered by Gemini 2.5 Pro, Jules is an asynchronous, agent-based coding tool that integrates with GitHub, clones codebases into Google Cloud virtual machines, and uses AI to fix or update code while developers focus on other tasks. Google initially announced Jules as a Google Labs project in December and made it available to beta testers through a public preview at

Topics: beta google jules korevec said

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What It’s Like To Work at a Startup: Insights From Startup Professionals

computer.org Laurel Tweed 2026-01-18 12:00:47

For computing professionals, startups offer something few corporate roles can provide. They give you the chance to build cutting-edge technology, gain equity, and work at a pace big companies can’t match. Nearly a quarter of North American startups are in the tech and communications sector, so these opportunities are abundant. [1] But what is the day-to-day reality behind the promise? We polled IEEE Computer Society members to get the real scoop. Here’s a sneak peek into what you can expect. Wh

Topics: kennedy says startup startups work

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AMD stock slumps 7% on earnings miss, China AI chip concerns

cnbc.com Samantha Subin 2026-01-18 15:27:48

Lisa Su, president and CEO of AMD, talks about the AMD EPYC processor during a keynote address at the 2019 CES in Las Vegas, Nevada, U.S., January 9, 2019. Shares of Advanced Micro Devices slumped more than 7% after the chipmaker's earnings fell short of earnings expectations and raised concerns about the timing of a restart in China shipments. The Santa Clara, California-based company reported adjusted earnings of 48 cents per share, falling short of the 49 cents per share expected by analyst

Topics: analysts china company said su

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Breathwork, Biohacking, and Cryotherapy: New Buzzwords for Modern Business Travelers

wired.com Jen Murphy 2026-01-18 15:02:59

Peptide cocktails, plasma exchange therapy, infrared sauna sessions, and methylene blue drips. These are just a few of the biohacks that keep Peter Phillips feeling invincible. For the past three years, the 53-year-old tech executive has worked with doctors at Extension Health, a longevity clinic in New York City, to craft a blueprint to help him combat the declines that come with age. “I’m on the cusp of immortality,” he says. Every six weeks, he pops into the clinic for a full body reboot tha

Topics: business new says sleep therapy

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Payment platform Lava raises $5.8M to build digital wallets for the ‘agent-native economy’

techcrunch.com Dominic-Madori Davis 2026-01-18 15:45:00

A new startup, Lava Payments, aims to take on payment giants by building a solution for the modern web where AI agents now handle transactions for their customers. The idea came to founder Mitchell Jones after he left his earlier Y Combinator-backed fintech startup, Lendtable, as he began to experiment with AI. He saw the potential to build out a system that would make using AI and agent payments simpler and more developer-friendly. While experimenting with an AI app and trying to build what he

Topics: ai jones lava pay said

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AMD stock slumps 5% on earnings miss, China AI chip concerns

cnbc.com Samantha Subin 2026-01-18 20:01:03

Lisa Su, president and CEO of AMD, talks about the AMD EPYC processor during a keynote address at the 2019 CES in Las Vegas, Nevada, U.S., January 9, 2019. Shares of Advanced Micro Devices slumped more than 5% after the chipmaker's earnings fell short of earnings expectations and raised concerns about the timing of a restart in China shipments. The Santa Clara, California-based company reported adjusted earnings of 48 cents per share, falling short of the 49 cents per share expected by analyst

Topics: analysts china company said su

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16 Golden Rules That Business Travelers Swear By

wired.com Charlie Hobbs 2026-01-18 20:30:00

Business travelers are made, not born. And almost everyone who travels frequently for work can list off at least a few things they wish they’d known when they first got into the game. It's not all obvious—like the importance of committing to a points and miles program early on; these programs literally exist because of you, dear business travelers—and some is nuanced and only learnable with time, like finding a hotel that feels like home and lets you leave a suit in the closet. To gather the ru

Topics: business hotel says time work

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The Extravagant Rise of the Corporate Incentive Trip

wired.com Anna Silman 2026-01-18 20:40:00

Business travel doesn’t typically conjure up the most glamorous images: working group sessions in overlit conference rooms, awkward dinners with coworkers at unmemorable chain restaurants. But for some lucky employees, there’s a special subset of work travel that isn’t just something to look forward to but something to fight for: the corporate incentive trip. Mark, a former sales director at LinkedIn who asked to not use his real name, is a frequent flyer in the world of corporate incentive tra

Topics: companies incentive says travel trip

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The iPhone 17 Air Could Hint at Apple's Foldable Future

cnet.com See Full Bio 2026-01-18 23:00:09

Anticipation is high for the launch of the next iPhone, and so are expectations. Rumors have been swirling for months about the upcoming lineup, which most notably may include a thinner model dubbed the iPhone 17 Air. But speculation isn't stopping there; what Apple reveals this fall could hint at what it has in store for next year, too. Thin phones are undoubtedly having a moment, with companies like Samsung, Huawei, Honor and Oppo debuting slimmer devices in the name of novelty -- and slappi

Topics: apple foldable iphone like samsung

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Houston, you’ve got a space shuttle… only NASA won’t say which one

arstechnica.com Unknown 2026-01-19 05:31:25

The head of NASA has decided to move one of the agency's retired space shuttles to Houston, but which one seems to still be up in the air. Senator John Cornyn (R-Texas), who earlier this year introduced and championed an effort to relocate the space shuttle Discovery from the Smithsonian to Space Center Houston, issued a statement on Tuesday evening (August 5) applauding the decision by acting NASA Administrator Sean Duffy. "There is no better place for one of NASA's space shuttles to be displ

Topics: administrator duffy houston nasa space

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See 6 Planets Align in the Night Sky This August

wired.com Gretchen Rundorff 2026-01-19 05:14:56

On August 10, six planets—Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune—will line up in an arc in the night sky. Four of these planets—Mercury, Venus, Jupiter, and Saturn—can be seen with the naked eye, while Uranus and Neptune will be visible through a very strong pair of skywatching binoculars or a backyard telescope. While August 10 marks the beginning of this planetary parade, these six planets will be visible until the final days of August, when Mercury sinks lower on the horizon an

Topics: horizon mercury neptune planets saturn

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Samsung revives the Galaxy S20 Ultra with one more update

androidauthority.com Unknown 2026-01-19 14:48:38

David Imel / Android Authority TL;DR The Galaxy S20 Ultra has received a security update, a few months after Samsung officially pulled support for the device. This update only applies to the Verizon model for now, though. Samsung’s 2020 flagship launched with the promise of four major OS upgrades and five years of security updates. The Samsung Galaxy S20 Ultra was released back in 2020 as the company’s first Ultra phone. The phone officially became unsupported earlier this year, but Samsung

Topics: galaxy s20 samsung ultra update

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Meta introduces new tools to help identify scam messages on WhatsApp

9to5mac.com Ben Lovejoy 2026-01-19 16:46:31

It seems scarcely a week goes by now without receiving at least one job scam message on either iMessage or WhatsApp. Meta has now introduced two new tools to help you identify scams, whether they arrive as individual messages or as posts to group chats … Scams are big business Scamming is big business these days, and it’s common for messages to originate from organized criminal gangs using huge banks of smartphones to send hundreds of thousands of messages per day. Meta has teams of people t

Topics: asking group meta new whatsapp

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WhatsApp adds new security feature to protect against scams

bleepingcomputer.com Unknown 2026-01-19 15:53:35

WhatsApp is introducing a new security feature that will help users spot potential scams when they are being added to a group chat by someone not in their contact list. This feature displays a "safety overview" context card that includes information about the group's creation date, the number of members, potential scam attempts, and instructions on how to control who can add you to WhatsApp groups. "It will include key information about the group and tips to stay safe. From there, you can exit

Topics: chat company group scam whatsapp

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Nuclear Experts Say Mixing AI and Nuclear Weapons Is Inevitable

wired.com Matthew Gault 2026-01-19 15:30:00

The people who study nuclear war for a living are certain that artificial intelligence will soon power the deadly weapons. None of them are quite sure what, exactly, that means. In the middle of July, Nobel laureates gathered at the University of Chicago to listen to nuclear war experts talk about the end of the world. In closed sessions over two days, scientists, former government officials, and retired military personnel enlightened the laureates about the most devastating weapons ever create

Topics: ai nuclear said says world

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Charter Planes and Bidding Wars: How Bitcoin Miners Raced to Beat Trump’s Tariffs

wired.com Joel Khalili 2026-01-19 16:00:00

Twelve minutes after midnight on April 8, a Boeing 777-300ER barreled down a runway at Singapore Changi Airport. In its belly, it carried precious cargo: 3,000 kilograms of specialized bitcoin mining equipment bound urgently for New York. As the plane took to the sky, staff at US-based Luxor Technology could begin to relax. The company, which trades bitcoin mining hardware and provides related software services, was importing the equipment on behalf of a client. The flight’s departure from Sing

Topics: bitcoin mining percent says tariff

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Chinese nationals charged with exporting Nvidia AI chips to China

feeds.bbci.co.uk Unknown 2026-01-19 14:13:15

Chinese nationals charged with exporting Nvidia AI chips to China The case shows that smuggling its chips "is a nonstarter," an Nvidia spokesperson said. Court documents seen by the BBC allege the shipments included Nvidia's H100 graphics processing units (GPUs), which have become a key focus of US export controls aimed at stopping China purchasing the cutting-edge technology. The DOJ alleged that over the last three years ALX Solutions, a company it said was run by Chuan Geng and Shiwei Yang

Topics: alx chips doj nvidia said

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WhatsApp deletes over 6.8m accounts linked to scams, Meta says

feeds.bbci.co.uk Unknown 2026-01-19 16:45:06

WhatsApp deletes over 6.8m accounts linked to scams, Meta says The crackdown targets an increasingly common tactic in which criminals hijack WhatsApp accounts or add users to group chats promoting fake investment schemes and other scams. Meta made the announcement as WhatsApp rolled out new anti-scam measures to alert users to potential fraudulent activity, such as a user being added to a group chat by someone not in their contacts list. Many were tied to scam centres run by organised crimina

Topics: accounts meta scam scams whatsapp

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Call to vet YouTube ads like regular TV to stop scams

feeds.bbci.co.uk Unknown 2026-01-19 16:28:14

Call to vet YouTube ads like regular TV to stop scams Google, which owns YouTube, has said it strives to support an "advertising ecosystem that's trustworthy and transparent for users". Last week, Ofcom's annual report found that YouTube had overtaken ITV to become the UK's second most-watched media service behind the BBC. The party wants more YouTube ads to be screened for potentially harmful content before they appear on the platform and for media regulator Ofcom to issue fines. Ads on You

Topics: ads online said tv youtube

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U.S. charges two Chinese nationals for illegally shipping Nvidia AI chips to China

cnbc.com Dylan Butts 2026-01-19 18:42:12

China is one of Nvidia's largest markets, particularly for data centers, gaming and artificial intelligence applications. Two Chinese nationals in California have been arrested and charged with the illegal shipment of tens of millions of dollars' worth of AI chips, including those made by Nvidia , the Department of Justice said Tuesday. Chuan Geng, 28, and Shiwei Yang, 28, exported the sensitive chips and other technology to China from October 2022 through July 2025 without obtaining the requi

Topics: china chips nvidia said yang

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Samsung Galaxy Tab Active 5 rugged tablet drops to new record-low price!

androidauthority.com Unknown 2026-01-19 15:00:38

There are very capable tablets out there, but most of them will likely break the first time you drop them from a halfway significant height. If you need a tablet that can withstand much more torture, the Samsung Galaxy Tab Active 5 is among the best, and it’s currently at a new record-low price of $384.99, saving you $115! Buy the Samsung Galaxy Tab Active 5 for just $384.99 ($115 off) This offer is available from Amazon as a “limited time deal”. It’s the Wi-Fi model. The 5G version will cost m

Topics: active galaxy samsung tab tablet

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Latest Tech News

A Fast, Growable Array with Stable Pointers in C

Verizon will give you a free Samsung flip phone right now - how to qualify for the deal

Your Samsung TV is getting a huge feature upgrade - 3 AI tools launching right now

Wild pigs' flesh turning neon blue in California: Authorities sounding the alarm

Google swears it isn’t destroying the web with AI search

Match Group pops 10% as dating company shows early signs of a turnaround

The Origin of Cisco Systems

The Hulu App May Not Be Long for This World

NASA Approves Ted Cruz’s Plan to Move a Space Shuttle to Houston, Setting Up a Fight With the Smithsonian

Google’s AI coding agent Jules is now out of beta

What It’s Like To Work at a Startup: Insights From Startup Professionals

AMD stock slumps 7% on earnings miss, China AI chip concerns

Breathwork, Biohacking, and Cryotherapy: New Buzzwords for Modern Business Travelers

Payment platform Lava raises $5.8M to build digital wallets for the ‘agent-native economy’

AMD stock slumps 5% on earnings miss, China AI chip concerns

16 Golden Rules That Business Travelers Swear By

The Extravagant Rise of the Corporate Incentive Trip

The iPhone 17 Air Could Hint at Apple's Foldable Future

Houston, you’ve got a space shuttle… only NASA won’t say which one

See 6 Planets Align in the Night Sky This August

Samsung revives the Galaxy S20 Ultra with one more update

Meta introduces new tools to help identify scam messages on WhatsApp

WhatsApp adds new security feature to protect against scams

Nuclear Experts Say Mixing AI and Nuclear Weapons Is Inevitable

Charter Planes and Bidding Wars: How Bitcoin Miners Raced to Beat Trump’s Tariffs

Chinese nationals charged with exporting Nvidia AI chips to China

WhatsApp deletes over 6.8m accounts linked to scams, Meta says

Call to vet YouTube ads like regular TV to stop scams

U.S. charges two Chinese nationals for illegally shipping Nvidia AI chips to China

Samsung Galaxy Tab Active 5 rugged tablet drops to new record-low price!

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