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SIMD-friendly algorithms for substring searching (2016)

news.ycombinator.com Wojciech Muła 2026-03-17 23:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string

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Have a damaged painting? Restore it in just hours with an AI-generated “mask”

news.ycombinator.com Jennifer Chu 2026-03-16 13:59:23

The restoration is printed on a very thin polymer film, in the form of a mask that can be aligned and adhered to an original painting. It can also be easily removed. Kachkine says that a digital file of the mask can be stored and referred to by future conservators, to see exactly what changes were made to restore the original painting. Still, there has been no way to translate digital restorations directly onto an original work, until now. In a paper appearing today in the journal Nature, Alex

Topics: digital kachkine method original painting

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Q-learning is not yet scalable

news.ycombinator.com Seohong Park 2026-03-18 20:56:54

Does RL scale? Over the past few years, we've seen that next-token prediction scales, denoising diffusion scales, contrastive learning scales, and so on, all the way to the point where we can train models with billions of parameters with a scalable objective that can eat up as much data as we can throw at it. Then, what about reinforcement learning (RL)? Does RL also scale like all the other objectives? Apparently, it does. In 2016, RL achieved superhuman-level performance in games like Go and C

Topics: data horizon learning policy rl

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The Art of Lisp and Writing

news.ycombinator.com Unknown 2026-03-19 04:07:42

The Art of Lisp & Writing Ignorance more frequently begets confidence than does knowledge. Charles Darwin Lisp is the language of loveliness. With it a great programmer can make a beautiful, operating thing, a thing organically created and formed through the interaction of a programmer/artist and a medium of expression that happens to execute on a computer. Taught that programmingor the worse "developing software"is like a routine engineering activity, many find difficulty seeing writing

Topics: like lisp programming world writing

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How Covid-19 Changed Hideo Kojima’s Vision for ‘Death Stranding 2’

wired.com Silvio Mazzitelli 2026-03-19 06:30:00

When legendary game designer Hideo Kojima announced to the world that Death Stranding 2 would soon be released, he made it known that Covid-19 had completely changed his idea for this sequel. “We released Death Stranding before the Covid-19 pandemic, when the world was moving toward isolation and division—as with Brexit. The idea behind it was ‘Let's connect. We’ll face disaster if we don’t connect.’ The theme, the story, and the gameplay of the first chapter all revolved around that idea,” Koj

Topics: death idea pandemic people stranding

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Infineon security microcontroller flaw enabled extraction of TPM secret keys

news.ycombinator.com Denis Laskov 2026-03-18 19:02:41

A few months ago, security researcher Thomas Roche presented his fundamental research on secure elements used in the YubiKey 5. The security element is the Infineon SLE78, which contains a proprietary implementation of the Elliptic Curve Digital Signature Algorithm (ECDSA). Using side-channel attacks and a great deal of smart research, the author discovered a vulnerability in Infineon Technologies' cryptographic library and, as a result, was able to extract the ECDSA secret key from the secure

Topics: including infineon secure security used

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Have a damaged painting? Restore it in just hours with an AI-generated "mask"

news.ycombinator.com Jennifer Chu 2026-03-16 18:59:23

The restoration is printed on a very thin polymer film, in the form of a mask that can be aligned and adhered to an original painting. It can also be easily removed. Kachkine says that a digital file of the mask can be stored and referred to by future conservators, to see exactly what changes were made to restore the original painting. Still, there has been no way to translate digital restorations directly onto an original work, until now. In a paper appearing today in the journal Nature, Alex

Topics: digital kachkine method original painting

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Tanks, guns and face-painting

theverge.com Tina Nguyen 2026-03-19 02:36:29

Of all the jarring things I’ve witnessed on the National Mall, nothing will beat the image of the first thing I saw after I cleared security at the Army festival: a child, sitting at the controls of an M119A3 Howitzer, being instructed by a soldier on how to aim it, as his red-hatted parents took a photo with the Washington Monument in the background. The primary stated reason for the Grand Military Parade is to celebrate the US Army’s 250th birthday. The second stated reason is to use the even

Topics: army military parade tank washington

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Scientists Reveal Easy Three-Step Plan to Terraform Mars

futurism.com Unknown 2026-03-18 23:45:29

Terraforming, the act of radically transforming a planet's climate and environment to make it suitable for human habitation, currently belongs to the realm of science-fiction. But it's possible, at least in theory, and the idea of terraforming our nearest candidate planet for off-world colonization, Mars, has captivated us for generations. But how would we even begin to pull off such a monumental feat of engineering? You can basically boil it down to three simple steps, argue the authors of a r

Topics: atmosphere authors mars planet terraforming

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What is systems programming, really? (2018)

news.ycombinator.com Unknown 2026-03-19 02:42:04

$$ % Typography and symbols ewcommand{\msf}[1]{\mathsf{#1}} ewcommand{\ctx}{\Gamma} ewcommand{\qamp}{&\quad} ewcommand{\qqamp}{&&\quad} ewcommand{\Coloneqq}{::=} ewcommand{\proves}{\vdash} ewcommand{\star}[1]{#1^{*}} ewcommand{\eps}{\varepsilon} ewcommand{ ul}{\varnothing} ewcommand{\brc}[1]{\{{#1}\}} ewcommand{\binopm}[2]{#1~\bar{\oplus}~#2} ewcommand{\mag}[1]{|{#1}|} ewcommand{\aequiv}{\equiv_\alpha} ewcommand{\semi}[2]{{#1};~{#2}} % Untyped lambda calculus ewcommand{\fun}[2]{\

Topics: ewcommand languages msf programming systems

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The Best Water Filter Pitcher for 2025

cnet.com See Full Bio 2026-03-18 21:38:00

As mentioned earlier in this article, there are quite a variety of contaminants worth removing from your tap water. The team here at our lab settled on three primary tests to benchmark the efficacy of these filters: TDS, pH and chlorine. Before we began the actual testing process, each pitcher was removed from the packaging, cleaned and then prepared per the manufacturer's instructions. This is very important, as most of these filters utilize activated carbon filtration, which will deposit sedim

Topics: chlorine ph tds testing water

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Live TV Streaming Channel Face-Off: YouTube TV vs. Hulu Live vs. Sling and More

cnet.com See Full Bio 2026-03-18 23:00:04

Making the switch from cable to streaming could feel confusing or like a chore, but it might be exactly what you're looking for. As TV costs increase, there are plenty of alternatives you can consider, such as live TV streaming services and affordable skinny bundles. Cord-free live services come with perks like a broad mix of channels, DVR and no long-term commitments. You can stream sports and more, and these services offer wider channel options than antennas but also let you watch on your lapt

Topics: channel network sling tv yes

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Suspect in Minnesota Shooting Linked to Security Company, Evangelical Ministry

wired.com Tess Owen 2026-03-19 01:49:05

A man named Vance Boelter allegedly shot and killed Melissa Hortman, a Democratic Minnesota state representative, and her husband Mark Hortman at their home at some point early Saturday morning while, according to law enforcement, impersonating a police officer. He also allegedly shot state senator John Hoffman and his wife Yvette Hoffman at their home. They are alive, but remain in critical condition. Law enforcement has said they found a manifesto and hit list in the alleged suspect’s car, wh

Topics: abortion according reviewed said wired

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So... You Want to Become a Penetration Tester?

techspot.com David Matthews 2026-03-18 23:18:00

Cybersecurity is a rapidly growing and evolving field with a wide range of subfields and specializations. One of these is penetration testing, a discipline within what's known as "red teaming," which seeks to actively find and exploit vulnerabilities within computer systems (with permission, of course). It's an exciting and rewarding career, and I'll show you how to become a penetration tester. Before I continue, however, let me be transparent about my own experience. While I have about three

Topics: cybersecurity job learn penetration testing

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So... You Want to Become a Penetration Tester?

techspot.com David Matthews 2026-03-18 23:18:00

Cybersecurity is a rapidly growing and evolving field with a wide range of subfields and specializations. One of these is penetration testing, a discipline within what's known as "red teaming," which seeks to actively find and exploit vulnerabilities within computer systems (with permission, of course). It's an exciting and rewarding career, and I'll show you how to become a penetration tester. Before I continue, however, let me be transparent about my own experience. While I have about three

Topics: cybersecurity job learn penetration testing

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I tried Canva’s photo editor to see if it could replace my favorite free app

androidauthority.com Unknown 2026-03-19 02:00:17

Megan Ellis / Android Authority I’ve been using Canva for years, mostly for simple designs. So when I saw that Canva had rolled out a new photo editing tool, which is more advanced that the simple tweaks you can make in a design, I was interested in trying it out. I stumbled across a useful feature that’s not in my favorite photo-editing app Snapseed, so I wondered if Canva could actually replace the free app’s place in my workflow. I tried out the Canva app’s new tool to see just how effectiv

Topics: app canva editing photo snapseed

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Texting myself the weather every day

news.ycombinator.com Unknown 2026-03-16 03:33:38

Texting myself the weather every day Opening the Weather app every morning is too much effort, but you know what isn’t? Writing a recurring job to query an API every morning and send you the results in an SMS, delivered right to your doorstep phone! Come with me as we embark on my short, little journey through this very process. Version 1: A Zapier “Zap” Version 1 of this service was simply just a “zap” on Zapier. Very easy to connect together a trigger and an action, and start receiving a te

Topics: morning send twilio version weather

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Solidroad (YC W25) Is Hiring

news.ycombinator.com Unknown 2026-03-18 23:00:07

Every day, millions of customers have terrible experiences. Support teams get blamed. Budgets get slashed. Quality drops further. Everyone shrugs and calls it "the cost of doing business." We think that's wrong. We started Solidroad because we believe customer experience can be both excellent and efficient. We're building the AI that turns every customer conversation into a learning opportunity. We're creating software that makes customer teams more effective. And we're just getting s

Topics: building customer ll people ve

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SIMD-friendly algorithms for substring searching (2018)

news.ycombinator.com Wojciech Muła 2026-03-18 14:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string

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How to Build Conscious Machines

news.ycombinator.com Unknown 2026-03-18 21:53:13

For full functionality of this site it is necessary to enable JavaScript. Here are instructions for enabling JavaScript in your web browser.

Topics: browser enable enabling functionality javascript

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Roborock Smart Robot Drops from $599 to $159, Amazon Clears Stock at All-Time Low

gizmodo.com Gizmodo Deals 2026-03-19 02:16:26

With the latest robot vacuum models from Roborock now easily topping $2,000, it’s refreshing (and downright unbelievable) to see a device as capable as the Q7 Max robot vacuum and mop available for just $159 on Amazon: This limited-time deal marks a dramatic discount from the original list price of $599 (even if it’s now available at a regular price of $299 at Amazon). As you can imagine, it’s a new all time low price for this vacuum. See at Amazon Strong 4,200Pa of Suction Power The Roborock

Topics: amazon cleaning max robot vacuum

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ChatGPT Glossary: 52 AI Terms Everyone Should Know

cnet.com See Full Bio 2026-03-18 23:00:11

AI is now a part of our everyday lives. From the massive popularity of ChatGPT to Google cramming AI summaries at the top of its search results, AI is completely taking over the internet. With AI, you can get instant answers to pretty much any question. It can feel like talking to someone who has a Ph.D. in everything. But that aspect of AI chatbots is only one part of the AI landscape. Sure, having ChatGPT help do your homework or having Midjourney create fascinating images of mechs based on c

Topics: ai data language learning model

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The 5 Best Griddles and Flat-Top Grills of 2025, Tested and Reviewed

wired.com Matthew Korfhage 2026-03-18 23:36:00

Photograph: Matthew Korfhage Griddle seasoning is, quite simply, protection for your griddle. When a thin layer of oil is heated above its smoke point and allowed to cook off atop the griddle and then cool, it forms a polymer that protects the top of the griddle and leads to better cooks. (Some think that griddle seasoning is to help food not stick to the metal. It may or may not add some nonstick properties, but the main purpose is to protect the griddle against rust and other wear.) For the

Topics: griddle grill oil seasoning use

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6 Best Smart Locks (2025) for Front Doors, Slider Doors, and More

wired.com Nena Farrell 2026-03-19 00:08:00

MyQ compatibility with other ecosystems focuses more on vehicles and security devices than it does on classic smart home assistants, which makes sense since you're usually controlling it from outside of the home. It works with Amazon Key and Walmart+ InHome to get deliveries in your garage, with Ring, plus several cars, and IFTTT. Specs Smart home ecosystem: IFTTT, Amazon Key, Ring, Walmart+ InHome, and vehicles Power source: Wired / outlet Entry options: App control, manual button, keypad (pur

Topics: app fingerprint home lock smart

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AI agent startups at Y Combinator’s Spring ’25 Demo Day

news.ycombinator.com Samantha Stokes 2026-03-18 21:41:12

Priyanka Shrestha of Galen AI, Xavier (Tianhao) Chi of Mbodi AI, and Vaibhav Dubey of Plexe. Priyanka Shrestha of Galen AI, Xavier (Tianhao) Chi of Mbodi AI, and Vaibhav Dubey of Plexe. Galen AI, Mbodi AI, Plexe lighning bolt icon An icon in the shape of a lightning bolt. lighning bolt icon An icon in the shape of a lightning bolt. Impact Link Have an account? Log in . This story is available exclusively to Business Insider subscribers. Become an Insider and start reading now. Christmas ca

Topics: ai batch spring startups yc

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SIMD-friendly algorithms for substring searching

news.ycombinator.com Wojciech Muła 2026-03-19 00:31:18

Introduction Popular programming languages provide methods or functions which locate a substring in a given string. In C it is the function strstr , the C++ class std::string has the method find , Python's string has methods pos and index , and so on, so forth. All these APIs were designed for one-shot searches. During past decades several algorithms to solve this problem were designed, an excellent page by Christian Charras and Thierry Lecroq lists most of them (if not all). Basically these al

Topics: algorithms assumption based designed string

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UK unis to cough up to £10M on Java to keep Oracle off their backs

news.ycombinator.com Lindsay Clark 2026-03-19 04:57:50

UK universities and colleges have signed a framework worth up to £9.86 million ($13.33 million) with Oracle to use its controversial Java SE Universal Subscription model, in exchange for a "waiver of historic fees due for any institutions who have used Oracle Java since 2023." Jisc, a membership organization that runs procurement for higher and further education establishments in the UK, said it had signed an agreement to purchase the new subscription licenses after consultation with members.

Topics: java licensing oracle said subscription

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This New ‘Superman’ Spot Tells Us the Movie’s Gonna Cut to the Chase About Clark and Lois

gizmodo.com Sabina Graves 2026-03-19 06:45:31

There might finally be an answer about whether or not Lois Lane (Rachel Brosnahan) knows if Clark Kent (David Corenswet) is really the caped superhero in red trunks, and it’s slipped into a quick teaser DC Studios just unleashed for Superman. While previous iterations of Superman’s love interest may have fallen for the glasses trick, the idea that being bespectacled could hide the Man of Steel’s true identity has always been a ridiculous notion. Director James Gunn has seemingly side-stepped th

Topics: glasses going just kent superman

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Do reasoning models really “think” or not? Apple research sparks lively debate, response

venturebeat.com Carl Franzen 2026-03-19 10:02:22

Join the event trusted by enterprise leaders for nearly two decades. VB Transform brings together the people building real enterprise AI strategy. Learn more Apple’s machine-learning group set off a rhetorical firestorm earlier this month with its release of “The Illusion of Thinking,” a 53-page research paper arguing that so-called large reasoning models (LRMs) or reasoning large language models (reasoning LLMs) such as OpenAI’s “o” series and Google’s Gemini-2.5 Pro and Flash Thinking don’t a

Topics: ai apple models paper reasoning

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New paper pushes back on Apple’s LLM ‘reasoning collapse’ study

9to5mac.com Marcus Mendes 2026-03-19 10:53:57

Apple’s recent AI research paper, “The Illusion of Thinking”, has been making waves for its blunt conclusion: even the most advanced Large Reasoning Models (LRMs) collapse on complex tasks. But not everyone agrees with that framing. Today, Alex Lawsen, a researcher at Open Philanthropy, published a detailed rebuttal arguing that many of Apple’s most headline-grabbing findings boil down to experimental design flaws, not fundamental reasoning limits. The paper also credits Anthropic’s Claude Opus

Topics: apple lawsen models output reasoning

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Latest Tech News

SIMD-friendly algorithms for substring searching (2016)

Have a damaged painting? Restore it in just hours with an AI-generated “mask”

Q-learning is not yet scalable

The Art of Lisp and Writing

How Covid-19 Changed Hideo Kojima’s Vision for ‘Death Stranding 2’

Infineon security microcontroller flaw enabled extraction of TPM secret keys

Have a damaged painting? Restore it in just hours with an AI-generated "mask"

Tanks, guns and face-painting

Scientists Reveal Easy Three-Step Plan to Terraform Mars

What is systems programming, really? (2018)

The Best Water Filter Pitcher for 2025

Live TV Streaming Channel Face-Off: YouTube TV vs. Hulu Live vs. Sling and More

Suspect in Minnesota Shooting Linked to Security Company, Evangelical Ministry

So... You Want to Become a Penetration Tester?

So... You Want to Become a Penetration Tester?

I tried Canva’s photo editor to see if it could replace my favorite free app

Texting myself the weather every day

Solidroad (YC W25) Is Hiring

SIMD-friendly algorithms for substring searching (2018)

How to Build Conscious Machines

Roborock Smart Robot Drops from $599 to $159, Amazon Clears Stock at All-Time Low

ChatGPT Glossary: 52 AI Terms Everyone Should Know

The 5 Best Griddles and Flat-Top Grills of 2025, Tested and Reviewed

6 Best Smart Locks (2025) for Front Doors, Slider Doors, and More

AI agent startups at Y Combinator’s Spring ’25 Demo Day

SIMD-friendly algorithms for substring searching

UK unis to cough up to £10M on Java to keep Oracle off their backs

This New ‘Superman’ Spot Tells Us the Movie’s Gonna Cut to the Chase About Clark and Lois

Do reasoning models really “think” or not? Apple research sparks lively debate, response

New paper pushes back on Apple’s LLM ‘reasoning collapse’ study

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