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A Fast, Growable Array with Stable Pointers in C

news.ycombinator.com Unknown 2026-01-05 12:21:28

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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The Download: OpenAI’s open-weight models, and the future of internet search

technologyreview.com Rhiannon Williams 2026-01-06 17:10:00

The news: OpenAI has finally released its first open-weight large language models since 2019’s GPT-2. Unlike the models available through OpenAI’s web interface, these new open models can be freely downloaded, run, and even modified on laptops and other local devices. Why it matters: These releases re-establish OpenAI as a presence for users of open models. That’s particularly notable at a time when Meta, which had previously dominated the American open-model landscape with its Llama models, ma

Topics: mit models narrated open review

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FCC abandons efforts to make U.S. broadband fast and affordable

news.ycombinator.com Karl Bode 2026-01-08 04:59:50

Trump FCC Abandons Efforts To Make U.S. Broadband Fast And Affordable from the this-is-why-we-can't-have-nice-things dept Section 706 of the Telecom Act requires the FCC to determine whether broadband is being deployed “on a reasonable and timely basis” to everyone. If the answer is no, the law says the FCC must “take immediate action to accelerate deployment of such capability by removing barriers to infrastructure investment and by promoting competition in the telecommunications market.” Fo

Topics: broadband carr fcc telecom trump

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FCC Abandons Efforts to Make U.S. Broadband Fast and Affordable

news.ycombinator.com Karl Bode 2026-01-08 16:59:50

Trump FCC Abandons Efforts To Make U.S. Broadband Fast And Affordable from the this-is-why-we-can't-have-nice-things dept Section 706 of the Telecom Act requires the FCC to determine whether broadband is being deployed “on a reasonable and timely basis” to everyone. If the answer is no, the law says the FCC must “take immediate action to accelerate deployment of such capability by removing barriers to infrastructure investment and by promoting competition in the telecommunications market.” Fo

Topics: broadband carr fcc telecom trump

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Audible's 'Harry Potter' Full-Cast Audio Production Debuts Nov. 4. You Can Preorder Now

cnet.com See Full Bio 2026-01-09 02:00:12

The Boy Who Lived will live on for a new generation of audiobook listeners, as Audible and Pottermore Publishing gear up for the release of their full-cast English audio production of Harry Potter. The project is slated to kick off with Harry Potter and the Sorcerer's Stone on Nov. 4, the companies said Tuesday, with the remaining six books debuting each month after that. Preorders are available now. The leading cast members for the project have also been announced. They include Hugh Laurie as

Topics: audible cast harry new potter

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This Galaxy Z Fold 7 model offers a much longer warranty

androidauthority.com Unknown 2026-01-09 23:43:47

Ryan Haines / Android Authority TL;DR Samsung has launched the Galaxy Z Fold 7 Enterprise Edition in Europe. The phone comes with a three-year manufacturer’s warranty instead of the standard two-year warranty. The device is otherwise identical to the standard Galaxy Z Fold 7. Samsung launched the Galaxy Z Fold 7 last month, and it offers a more durable folding screen than previous models. What if you want peace of mind regarding any issues, though? Well, the company offers Samsung Care Plus,

Topics: fold galaxy samsung warranty year

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My Ideal Array Language

news.ycombinator.com Unknown 2026-01-12 03:05:08

2025-07-20 What do I think the ideal array language should look like? The fundamental units of computation available to users today are not the same as they were 20 years ago. When users had at most a few cores on a single CPU, it made complete sense that every program was written with the assumption that it would only run on a single core. Even in a high-performance computing (HPC) context, the default mode of parallelism was (for a long time) the Message Passing Interface (MPI), which is a

Topics: array compiler language user users

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Life, Work, Death and the Peasant: Family Formation

news.ycombinator.com Bret Devereaux 2026-01-10 16:39:42

This is the first part of the third part of our series (I, II) discussing the patterns of life of the pre-modern peasants who made up the great majority of all humans who lived in our agrarian past and indeed a majority of all humans who have ever lived. Last week, we looked at death, examining the brutal mortality regime of pre-modern societies, typified by extremely high (c. 50%) infant and child mortality, very high maternal mortality and often high male military mortality, which kept life ex

Topics: early late marriage pattern societies

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The Rubik's Cube Perfect Scramble

news.ycombinator.com Unknown 2026-01-12 06:31:58

The Challenge I was playing with my son’s Rubik’s Cubes and tried to scramble a cube randomly so that no two squares with the same color were side by side. Here’s one way to do it: But I wanted a scramble that looked like a random scramble. No matter how many different moves I made, I couldn’t do it. Every time I separated two squares with the same color, two other squares of the same color would touch somewhere else. Looking for an easy answer, I went to puzzling.stackexchange.com an

Topics: arrangements corner cube requirements scramble

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RIP Corporation for Public Broadcasting: 1967–2026

arstechnica.com Unknown 2026-01-12 10:05:25

Despite the protests of millions of Americans, the Corporation for Public Broadcasting (CPB) announced it will be winding down its operations after the White House deemed NPR and PBS a "grift" and pushed for a Senate vote that eliminated its entire budget. The vote rescinded $1.1 billion that Congress had allocated to CPB to fund public broadcasting for fiscal years 2026 and 2027. In a press release, CPB explained that the cuts "excluded funding for CPB for the first time in more than five deca

Topics: cpb funding harrison npr public

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T-Mobile now officially owns UScellular

engadget.com Unknown 2026-01-13 03:45:10

T-Mobile has sealed the deal on its UScellular acquisition. In exchange for $4.3 billion, T-Mobile gets UScellular’s customers, stores and 30 percent of its spectrum. If you’re a UScellular customer, you don’t have to do anything. "UScellular customers stay on their existing plans with no changes for now," the carrier said. You can continue to manage your account through UScellular’s website. You can also still turn to the T-Mobile-owned carrier for customer support. The $4.3 billion wasn’t th

Topics: acquisition carrier customers mobile uscellular

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The Verge’s favorite backpacks, totes, and other bags for 2025

theverge.com Verge Staff 2026-01-17 08:00:00

About two years ago, we ran an article in which Verge staffers talked about their favorite backpacks and other bags. It’s time for a new one, and so we asked the staff to tell us about their favorite travel packs, day-to-day bags, and other ways to carry stuff around. Here’s what they told us. Backpacks I like to travel light, but as a dad, that’s almost impossible. I bought a Tom Bihn Synik 30 a few years ago and found that there’s a reason it’s on almost every backpack list you’ll find. (Any

Topics: backpack bag bags carry pockets

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Words about Arrays and Tables

news.ycombinator.com Unknown 2026-01-19 17:15:30

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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Sparrow raises $35M Series B to automate the employee leave management nightmare

venturebeat.com Michael Nuñez 2026-01-22 22:00:00

Want smarter insights in your inbox? Sign up for our weekly newsletters to get only what matters to enterprise AI, data, and security leaders. Subscribe Now Sparrow, the employee leave management technology company, announced Tuesday it raised $35 million in Series B funding led by Silver Lake Waterman, bringing the company’s total investment to $64 million as it capitalizes on the growing complexity of workplace leave compliance. The funding comes as companies grapple with an explosion of sta

Topics: company compliance hr leave sparrow

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EE says latest outage fixed after 'technical fault'

feeds.bbci.co.uk Unknown 2026-01-25 21:02:36

EE says latest outage fixed after 'technical fault' EE says it carried out further work overnight to fix a technical problem which left some customers unable to make or receive calls. In the last 24 hours, hundreds of people who use the mobile provider have told the BBC they have experienced service issues. It comes after thousands were left unable to make or receive calls earlier this week due to a technical issue which impacted both mobile and landline phones. On Saturday, a spokesperson f

Topics: calls carried ee mobile technical

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Large ancient Hawaiian petroglyphs uncovered by waves on Oahu

news.ycombinator.com Christine Hitt 2026-01-21 06:05:07

On this stretch of Oahu shoreline, ancient Hawaiian petroglyphs were uncovered by waves. U.S. Army Garrison Hawaii This month, large ancient Hawaiian petroglyphs were exposed along the shoreline on Oahu’s west side. Usually covered by sand, they haven’t been seen for years and are believed to be more than 1,000 years old. The petroglyphs are on a beach fronting a U.S. Army recreation center and were uncovered when sand and sediment shifted because of the waves and current. “This is a natural p

Topics: army garrison hawaii hawaiian petroglyphs

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Stackless Traversal (2018)

news.ycombinator.com Marshall Lochbaum 2026-01-25 10:28:51

Enlist (∊) is twice as fast in Dyalog 16.0 as it was in Dyalog 15.0. Pretty much across the board: ∊⍳100 is not going to be any faster, but whenever the argument is a nested array and the simple arrays it contains are reasonably small, there are huge performance improvements. How did we achieve the huge speedup? Constraints The usual way for a C programmer to write the traversal used in Enlist would be a simple recursive function: If the current array is simple, handle it, and if it is nested,

Topics: array pocket pointer pointers use

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Thinking of switching to T-Mobile? Its trial program now gives you less time but more features

androidauthority.com Unknown 2026-01-27 03:25:51

Joe Maring / Android Authority TL;DR T-Mobile has reduced its free eSIM “Network Pass” trial period from 90 days to 30 days and renamed it “T-Mobile Trial.” T-Mobile Trial now includes benefits like up to 250GB of high-speed tethering data, limited international usage, and in-flight Wi-Fi. To start the trial without ditching your current carrier, download the T-Life app on an unlocked eSIM-compatible phone. T-Mobile added more postpaid subscribers than any other carrier in the last quarter,

Topics: carrier mobile network trial try

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Paramount-Skydance merger approved after companies agree to government speech demands

theverge.com Lauren Feiner 2026-01-28 22:57:14

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 Communications Commission (FCC) has approved Skydance’s $8 billion purchase of CBS-owner Paramount after the companies agreed to end diversity, equity, and inclusion (DEI) programs but feature a “diversity of viewpoints from across the political and ideological spectrum

Topics: carr cbs fcc paramount skydance

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Gig Speeds for Every American? Trump FCC Moves to Drop One of the Group’s Most Ambitious Goals

cnet.com See Full Bio 2026-02-01 03:26:00

One of the federal government’s most ambitious broadband targets may soon be abandoned. On August 7, the FCC will vote on a proposal to drop its goal of gig speeds for every American. In March last year, the Democratic-led group voted to raise the definition of minimum broadband speeds from 25Mbps download and 3Mbps upload speed to 100/20Mbps. It also set a more ambitious long-term goal of increasing the benchmark to 1,000Mbps download and 500Mbps upload speed. Trump’s pick for FCC chair, Bren

Topics: 706 broadband carr fcc section

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Eight months in, Swedish unicorn Lovable crosses the $100M ARR milestone

techcrunch.com Anna Heim 2026-02-02 17:08:00

Less than a week after it became Europe’s latest unicorn, Swedish vibe coding startup Lovable is now also a centaur — a company with more than $100 million in annual recurring revenue (ARR). Lovable took only eight months since its launch to get here, thanks to the skyrocketing popularity of its AI-powered website and app builder. The startup claims it now has more than 2.3 million active users, and last reported 180,000 paying subscribers. With only 45 full-time employees, and 14 open positio

Topics: arr disrupt lovable million startup

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Apple announces AppleCare One multi-device bundle with simplified pricing

9to5mac.com Zac Hall 2026-02-02 22:01:00

AppleCare is taking a page from the Apple One services bundle and introducing a bundle of its own. AppleCare One is a new way to pay for additional warranty status on all your Apple products, and the window to add coverage is more generous than ever. What is AppleCare One? AppleCare One is a new warranty subscription service option from Apple. In the United States, AppleCare One costs $19.99/month and covers up to three products. Additional hardware can be added for an additional $5.99/month.

Topics: apple applecare bundle coverage warranty

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NonRAID – fork of unRAID array kernel module

news.ycombinator.com Unknown 2026-02-04 03:16:18

NonRAID - unRAID storage array compatible kernel driver NonRAID is an fork of the unRAID system's open-source md_unraid kernel driver for supported kernels, but targeting primarily Ubuntu 24.04 LTS, enabling UnRAID-style storage arrays with parity protection outside of the commercial UnRAID system. Unlike in UnRAID, where the driver replaces kernels standard md driver, the NonRAID driver has been separated into it's own kernel module ( md_nonraid ). This allows it to be easily added as a DKMS

Topics: array driver nmdcmd proc unraid

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FCC to eliminate gigabit speed goal and scrap analysis of broadband prices

arstechnica.com Unknown 2026-02-07 03:49:17

The Federal Communications Commission is ditching Biden-era standards for measuring progress toward the goal of universal broadband deployment. The changes will make it easier for the FCC to give the broadband industry a passing grade in an annual progress report. FCC Chairman Brendan Carr's proposal would give the industry a thumbs-up even if it falls short of 100 percent deployment, eliminate a long-term goal of gigabit broadband speeds, and abandon a new effort to track the affordability of

Topics: broadband carr deployed fcc telecommunications

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A surveillance vendor was caught exploiting a new SS7 attack to track people’s phone locations

techcrunch.com Zack Whittaker 2026-02-09 17:45:07

Security researchers say they have caught a surveillance company in the Middle East exploiting a new attack capable of tricking phone operators into disclosing a cell subscriber’s location. The attack relies on bypassing security protections that carriers have put in place to protect intruders from accessing SS7, or Signaling System 7, a private set of protocols used by the global phone carriers to route subscribers’ calls and text messages around the world. SS7 also allows the carriers to req

Topics: attack carriers phone ss7 surveillance

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Nothing’s Headphone 1 Copied the AirPods Max’s Dumbest Accessory, and Now I Actually Need One

gizmodo.com James Pero 2026-02-10 12:37:42

Apple’s AirPods Max are iconic for lots of reasons. Firstly, it’s Apple, so they have just a teensy bit of name-brand recognition. Secondly, there’s the sound—Apple’s over-ear headphones might look a little boring, but they sound consistently great. Good enough to actually make a $550 price tag work. There’s also a third iconic aspect, though this one may be notable for the wrong reasons. If you guessed the “iBra” carrying case, congratulations, you win a free ticket to tech nerd jail. As iconi

Topics: airpods carrying case ibra max

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The Download: Veo 3’s subtitles problem, and the future of our planet’s resources

technologyreview.com Rhiannon Williams 2026-02-14 18:10:00

Google’s generative video model Veo 3 has a subtitles problem As soon as Google launched its latest video-generating AI model at the end of May, creatives rushed to put it through its paces. Released just months after its predecessor, Veo 3 allows users to generate sounds and dialogue for the first time. It sparked a flurry of hyperrealistic eight-second clips stitched together into ads, ASMR videos, imagined film trailers, and humorous street interviews. But others quickly found that in som

Topics: narrated review subtitles technology veo

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10 tiny tools I carry with me everywhere - how they work

zdnet.com Adrian Kingsley-Hughes 2026-02-18 02:58:00

My keychain essentials. Adrian Kingsley-Hughes/ZDNET I've collected my fair share of multitools and gadgets, but I've lost track of how often I've needed one -- only to realize it's sitting at home or in the car. Carrying a full toolbox everywhere just isn't practical. What I do have with me almost all the time, though, is my keychain -- and it turns out, it's the perfect way to keep essential tools within reach. Also: Are Amazon Basics tools worth it? My verdict after testing the top-sellers

Topics: carry keychain keysmart multitool ve

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This security-minded Linux distribution makes it easy to browse anonymously

zdnet.com Jack Wallen 2026-02-20 12:20:00

Ger Bosma/Getty There are some Linux distributions that were created for specific purposes. There are those for creating multimedia, developing software, network routing, ethical hacking, general use, and everything in between. And then there are some distributions that can easily serve multiple purposes. When I think of ParrotOS, I generally think of security: forensics, penetration testing, etc. I've used ParrotOS for similar purposes before, but always neglected to test the Home edition.

Topics: anonsurf desktop easy mate parrotos

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This security-focused Linux distribution is surprisingly good for everyday use

zdnet.com Jack Wallen 2026-02-20 22:52:15

Ger Bosma/Getty There are some Linux distributions that were created for specific purposes. There are those for creating multimedia, developing software, network routing, ethical hacking, general use, and everything in between. And then there are some distributions that can easily serve multiple purposes. When I think of ParrotOS, I generally think of security: forensics, penetration testing, etc. I've used ParrotOS for similar purposes before, but always neglected to test the Home edition.

Topics: anonsurf desktop linux mate parrotos

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Latest Tech News

A Fast, Growable Array with Stable Pointers in C

The Download: OpenAI’s open-weight models, and the future of internet search

FCC abandons efforts to make U.S. broadband fast and affordable

FCC Abandons Efforts to Make U.S. Broadband Fast and Affordable

Audible's 'Harry Potter' Full-Cast Audio Production Debuts Nov. 4. You Can Preorder Now

This Galaxy Z Fold 7 model offers a much longer warranty

My Ideal Array Language

Life, Work, Death and the Peasant: Family Formation

The Rubik's Cube Perfect Scramble

RIP Corporation for Public Broadcasting: 1967–2026

T-Mobile now officially owns UScellular

The Verge’s favorite backpacks, totes, and other bags for 2025

Words about Arrays and Tables

Sparrow raises $35M Series B to automate the employee leave management nightmare

EE says latest outage fixed after 'technical fault'

Large ancient Hawaiian petroglyphs uncovered by waves on Oahu

Stackless Traversal (2018)

Thinking of switching to T-Mobile? Its trial program now gives you less time but more features

Paramount-Skydance merger approved after companies agree to government speech demands

Gig Speeds for Every American? Trump FCC Moves to Drop One of the Group’s Most Ambitious Goals

Eight months in, Swedish unicorn Lovable crosses the $100M ARR milestone

Apple announces AppleCare One multi-device bundle with simplified pricing

NonRAID – fork of unRAID array kernel module

FCC to eliminate gigabit speed goal and scrap analysis of broadband prices

A surveillance vendor was caught exploiting a new SS7 attack to track people’s phone locations

Nothing’s Headphone 1 Copied the AirPods Max’s Dumbest Accessory, and Now I Actually Need One

The Download: Veo 3’s subtitles problem, and the future of our planet’s resources

10 tiny tools I carry with me everywhere - how they work

This security-minded Linux distribution makes it easy to browse anonymously

This security-focused Linux distribution is surprisingly good for everyday use

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