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Caching is an abstraction, not an optimization

news.ycombinator.com Unknown 2025-08-31 01:42:46

June 30, 2025 Caching is an Abstraction, not an Optimization I've always been told that caching is a tool to make software faster. That, given some careful considerations to consistency, caching makes it so that when you want to read a given piece of data, you don't have to go all the way back to some backend database or API server or SSD and can instead just read from some faster location like memory for the same data. Caching is thus a tool to improve performance. My feelings now are that t

Topics: abstraction caching data like want

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Wind Knitting Factory

news.ycombinator.com Unknown 2025-09-02 11:28:57

Wind Knitting Factory ‘Wind Knitting Factory’ is a wind powered knitting machine that is attached to the facade of a building. The blades embrace more than a meter in diameter, and the wind that is cached by the mill drives the machine. Like that a long scarf gets knitted along the building downward. When it is windy the machine knits fast and with less wind the machine knits slowly. Buy them here Wind Knitting Factory ‘Wind Knitting Factory’ is a wind powered knitting machine that is attache

Topics: building factory knitting machine wind

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Meet Soham Parekh, the engineer burning through tech by working at three to four startups simultaneously

theverge.com Emma Roth 2025-09-02 12:07:15

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. One name is popping up a lot across tech startup social media right now, and you might’ve heard it: Soham Parekh. On X, people are joking that Parekh is single-handedly holding up all modern digital infrastructure, while others are posting memes about him working in front of a dozen different monitors or filling in for the thousands of people that M

Topics: lowe parekh said tech working

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Crunchyroll blames third-party vendor for AI subtitle mess

engadget.com Unknown 2025-09-02 15:57:48

At the start of last year, Crunchyroll President Rahul Purini told The Verge the company was "very focused on testing" generative AI tools for subtitling and captioning speech to text. The comment came just months after the streamer temporarily took down the debut episode of one of its newest shows, The Yuzuki Family's Four Sons, after people complained about poor subtitles. Much of the translation was nonsensical, with missing punctuation in many sentences. At the time, some fans speculated th

Topics: ai crunchyroll episode people subtitles

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A simple opensource social media researcher powered by exa ai api and youtube v

news.ycombinator.com Unknown 2025-09-02 16:40:25

yurei app still in progress, not live on https://yurei.app/ yet, but you can clone it and try it out a simple opensource social media researcher powered by exa ai api and youtube v3. built with vercel's ai sdk. what it does: searches youtube for videos searches reddit for posts searches linkedin (kinda fucked rn, working on it) using grok-21212 as the llm how to install clone this repo npm install or yarn make a .env.local with: NEXT_PUBLIC_URL=http://localhost:3000 # For development NE

Topics: 3000 dev http localhost searches

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The Person in Charge of Testing Tech for US Spies Has Resigned

wired.com Paresh Dave 2025-09-02 16:50:33

The head of the US government’s Intelligence Advanced Research Projects Activity (IARPA) is leaving the unit this month to take a job with a quantum computing company, WIRED has learned. Rick Muller’s pending departure from IARPA comes amid broader efforts to downsize the United States intelligence community, including the Office of the Director of National Intelligence (ODNI), which oversees IARPA. A person familiar with Muller’s plans confirmed to WIRED his departure from IARPA. Born during

Topics: agency iarpa intelligence muller research

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The best laptops you can get

theverge.com Antonio G. Di Benedetto 2025-09-02 16:15:47

is a reviewer covering laptops and the occasional gadget. He spent over 15 years in the photography industry before joining The Verge as a deals writer in 2021. Editor’s note: Amazon Prime Day kicks off on July 8th; however, if you want to get a head start on your online shopping, we’ve rounded up the best early Prime Day deals you can already get. Buying the right laptop can be stressful. It’s likely one of the bigger tech purchases you’ll make, and there are a ludicrous number of models, siz

Topics: 16 best inch laptop m4

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I replaced my Ray-Ban Meta with these Amazon smart glasses, and was impressed

zdnet.com Kerry Wan 2025-09-02 20:27:56

ZDNET's key takeaways The Amazon Echo Frames (3rd Gen) are a natural way for glasses wearers to control their smart home, and they're available now for $269. The latest model features a lighter build, longer battery life, improved speakers, and new controls that will take some getting used to. While Alexa in your ears is no ChatGPT voice assistant, it's capable enough to answer general questions and complete most smart home tasks. View now at Amazon The Amazon Echo Frames are on sale ahead of

Topics: amazon echo frames glasses smart

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Provider of covert surveillance app spills passwords for 62,000 users

arstechnica.com Unknown 2025-09-02 20:36:44

The maker of a phone app that is advertised as providing a stealthy means for monitoring all activities on an Android device spilled email addresses, plain-text passwords, and other sensitive data belonging to 62,000 users, a researcher discovered recently. A security flaw in the app, branded Catwatchful, allowed researcher Eric Daigle to download a trove of sensitive data, which belonged to account holders who used the covert app to monitor phones. The leak, made possible by a SQL injection vu

Topics: app catwatchful data monitoring phone

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The Percentage of Tasks AI Agents Are Currently Failing At May Spell Trouble for the Industry

futurism.com Unknown 2025-09-02 22:42:29

It's safe to say there's a lot riding on "artificial intelligence," a buzzy and nebulous swath of the tech industry pedaling all kinds of large language model (LLM) and similar software products. Since ChatGPT emerged in November 2022, venture capitalist investments in AI have skyrocketed, rising to $131.5 billion in 2024, an increase of 52 percent compared to 2023. In the last three months of 2024, over half of all venture capital in the world went to AI companies. One of the flashier bits of

Topics: agents ai hype percent tech

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Report: Apple looked into building its own AWS competitor

9to5mac.com Marcus Mendes 2025-09-03 00:50:11

The Information is out with an interesting report about how Apple has considered spinning up its own developer cloud services, in a move that would put it against some of its competitors’ biggest revenue streams. Here are the details. Project ACDC As reported by Aaron Tilley, Apple’s Project ACDC (which stands for Apple chips in data centers) would not be that different from Amazon’s AWS, Microsoft’s Azure, or Google’s Cloud Platform: “The idea discussed was for Apple to rent out servers runn

Topics: acdc apple chips cloud developer

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Caching is an Abstraction, not an Optimization

news.ycombinator.com Unknown 2025-08-31 16:42:46

June 30, 2025 Caching is an Abstraction, not an Optimization I've always been told that caching is a tool to make software faster. That, given some careful considerations to consistency, caching makes it so that when you want to read a given piece of data, you don't have to go all the way back to some backend database or API server or SSD and can instead just read from some faster location like memory for the same data. Caching is thus a tool to improve performance. My feelings now are that t

Topics: abstraction caching data like want

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Stripe’s first employee, the founder of fintech Increase, sort of bought a bank

techcrunch.com Julie Bort 2025-09-03 00:55:59

It’s an open secret in the fintech world that the founder and CEO of startup Increase, Darragh Buckley, has been trying for years to “buy a bank,” as one person familiar with the landscape told TechCrunch. A couple of weeks ago, he basically succeeded. He bought a big enough stake in Twin City Bank to trigger a public disclosure of the transaction by the Federal Research Board. Such share purchases are then subject to FDIC approval. Twin City is a small community bank in Longview, Washington,

Topics: bank banking buckley increase techcrunch

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Hands on: Spigen adds to C1 line with iMac G3-inspired Apple Watch stand

9to5mac.com Fernando Silva 2025-09-03 04:18:47

Spigen is one of my favorite Apple accessory companies because they know how to evoke nostalgia. Last year I picked up their C1 iPhone case and Magsafe wallet that themed my iPhone 16 Pro Max like the old school iMac G3 that I grew up using in school. I loved every part of that experience, and it was a great conversation starter! This year, they have added to their C1 lineup with their Apple Watch stand that isn’t just themed after the iMac G3, but looks like a tiny G3 iMac. Here is what you sho

Topics: apple c1 g3 imac watch

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E Ink is turning the laptop touchpad into an e-reader for AI apps

theverge.com Andrew Liszewski 2025-09-03 04:37:33

is a senior reporter who’s been covering and reviewing the latest gadgets and tech since 2006, but has loved all things electronic since he was a kid. E Ink has developed a new touchpad for laptops featuring the same electronic paper technology found in e-readers. It’s not the first company to look at the ever-growing size of laptop touchpads and see the potential of additional functionality, but instead of serving as a second smaller screen for the computer’s OS, E Ink is positioning its touch

Topics: ai display ink laptop touchpad

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OpenAI Says It's Hired a Forensic Psychiatrist as Its Users Keep Sliding Into Mental Health Crises

futurism.com Unknown 2025-09-03 05:29:17

Among the strangest twists in the rise of AI has been growing evidence that it's negatively impacting the mental health of users, with some even developing severe delusions after becoming obsessed with the chatbot. One intriguing detail from our most recent story about this disturbing trend is OpenAI's response: it says it's hired a full-time clinical psychiatrist with a background in forensic psychiatry to help research the effects of its AI products on users' mental health. It's also consulti

Topics: ai chatbot health mental openai

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MacBook with iPhone CPU rumors, AI Siri partnerships, new EU App Store rules

9to5mac.com Chance Miller 2025-09-03 08:49:55

Benjamin and Chance discuss the intriguing rumor from Ming-Chi Kuo that Apple is readying a new cheaper MacBook Air powered by an A18 Pro CPU. Also, Apple befuddles everyone with a new byzantine set of App Store rules in the EU, and Apple seems open to powering AI Siri using third-party models. And in Happy Hour Plus, Chance walks through some tech updates after another big move. Subscribe at 9to5mac.com/join. Hosts Chance Miller Benjamin Mayo Subscribe, Rate, and Review 9to5Mac Happy Hour

Topics: 9to5mac chance happy hour plus

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New Mac models through 2026 revealed in leaked Apple identifiers

9to5mac.com Ryan Christoffel 2025-09-03 08:54:23

Apple still has plenty of new product launches coming through the rest of the year, including at least two Macs. But today, a new report has outlined Mac models coming not only in 2025, but even those expected through 2026. Report includes 15 forthcoming Mac models expected through 2026 Marko Zivkovic writes at AppleInsider: Through our own data and information shared with us, AppleInsider has learned of 15 new Mac models currently in development. People familiar with the matter — and common

Topics: apple inch mac models pro

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HP 14-Inch Touchscreen Chromebook Is Practically Free, Working as Both Tablet and Laptop at a Record Low

gizmodo.com Brittany Vincent 2025-09-03 08:40:53

Sometimes all you need is a laptop that’s simple, reliable, and easy to use. You want something that powers on fast, handles your everyday tasks smoothly, and doesn’t come with a complicated setup. It doesn’t matter if you’re shopping for a student, looking for a lightweight work computer, or just need something for browsing, streaming, and video calls, a Chromebook often fits the bill. And if you want to save some money right now, you don’t have to wait for a special sales event. You can just h

Topics: best buy chromebook just laptop

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A Game Called 'Date Everything' Literally Lets You Date Everything—Except People

wired.com Megan Farokhmanesh 2025-09-03 08:45:13

Lux, a catty, bottle blonde personification of my house lights, has just informed me we’re dating—as long as I can follow a few rules. The influencer, whose head is haloed by a ring light, has a few notable ones: I need to take them out to the most chic restaurants for every meal. Sex only when they want to film for their “Fans Only” account. The relationship ends when they find someone “richer or more famous.” Agree, and their brittle love is mine. I want to unplug all my lamps and throw them

Topics: chap date dating daymond game

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Meta has found another way to keep you engaged: Chatbots that message you first

techcrunch.com Rebecca Bellan 2025-09-03 08:34:22

Imagine you’re messaging some friends on the Facebook Messenger app or WhatsApp, and you get an unsolicited message from an AI chatbot that’s obsessed with films. “I hope you’re having a harmonious day!” it writes. “I wanted to check in and see if you’ve discovered any new favorite soundtracks or composers recently. Or perhaps you’d like some recommendations for your next movie night? Let me know, and I’ll be happy to help!” That’s a real example of what a sample AI persona named “The Maestro

Topics: ai chatbots company meta techcrunch

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Deals: M4 MacBook Air from $849, M4 iPad Pro, Apple MagSafe Charger from $13, Find My keychain multi-tool, more

9to5mac.com Justin Kahn 2025-09-03 12:44:23

To kick off today’s best Apple deals, we have all colors/configs of Apple’s latest M4 MacBook Air with at least $150 in savings starting from $849. The same goes for the 13-inch M4 iPad Pro at $200 off with select configs as much as $299 off the list price. But we also spotted the 15W Apple MagSafe charger from just $13 a pop (25W models from $33) alongside these Find My-equipped Key Organizer multi-tools, and loads more 4th of July deals waiting below. All colors/configs of Apple’s latest M4 M

Topics: amazon apple inch ipad pro

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Apple’s colorful Watch Solo Loop bands are up to 70 percent off now

theverge.com Cameron Faulkner 2025-09-03 12:54:01

is an editor covering deals and commerce. He joined in 2018, and served as commerce editor at Polygon until May 2025. Whether you’ve still got the original band that came with your Apple Watch, or if you’re hungry for more band color options, Woot has a bevy of bands available at up to 70 percent off their normal prices. The Solo Loop band is the most affordable option, costing just $14.99 at Woot in a range of delightful colors and several sizes. This model typically costs $49 new when purchas

Topics: 99 apple bands glasses watch

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Castelion is raising a $350M Series B to scale hypersonic missile business

techcrunch.com Aria Alamalhodaei 2025-09-03 12:03:34

Hypersonic weapons startup Castelion is raising a $350 million Series B led by Lightspeed Venture Partners and Altimeter Capital, according to sources and documents viewed by TechCrunch. The round, which values the company in the billions, is anticipated to close in a matter of weeks. A term sheet has been signed. The new round comes on the heels of $100 million in Series A funding that closed in January. That round was composed of about $70 million in equity and $30 million of debt. Lightspeed

Topics: budget castelion hypersonic million techcrunch

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Shonen Jump’s Comics App Now Lets You Read as Much Manga as You Want

gizmodo.com James Whitbrook 2025-09-03 16:30:20

Shonen Jump’s manga reading app has long been one of the best deals in digital comics—free recent chapters, speedy turnaround on official translations of some of the biggest manga in the world, and access to a vault spreading across some of the biggest series in comics for $3 a month. But now the app is removing one particular hurdle that makes it even better. This week Shonen Jump announced in an email to subscribers that it was removing its 100-chapter-a-day reading limit from the app, which

Topics: chapter comics manga reading series

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Tighten up your cap table with Fidelity, Cimulate, and DepositLink at TechCrunch All Stage 2025

techcrunch.com Techcrunch Events 2025-09-03 16:30:00

Fundraising is already hard — don’t let a messy cap table make it harder. At TechCrunch All Stage on July 15, founders will get a behind-the-scenes look at what it really takes to keep a raise on track during the roundtable session “Preparing to Raise: Cap Table Best Practices to Help You Close Fast.” Hosted on the Foundation Stage, this conversation brings together seasoned legal, financial, and founder voices to share what works, what slows things down, and what it actually takes to close qui

Topics: brings founders stage startup techcrunch

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Elon Musk Says He Is So Sorry for His Horrible Behavior

futurism.com Unknown 2025-09-02 01:15:08

In February, as the disastrous effects of the so-called Department of Government Efficiency's gutting of federal agencies started to emerge, the agency's figurehead Elon Musk took to the stage of the Conservative Political Action Conference and waved a chainsaw in the air. Standing alongside Argentinian president Javier Milei, Musk wielded the shiny metal-plated prop to send a blunt message: the federal government's budget was being slashed beyond recognition. Many months later, the devastatin

Topics: chainsaw empathy musk party trump

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Samsung phones can survive twice as many charges as Pixel and iPhone, according to EU data

androidauthority.com Unknown 2025-09-03 20:39:40

Aamir Siddiqui / Android Authority TL;DR For the EU’s new energy label program, smartphones advertise a rated number of charge cycles. We’ve complied a list of those cycle counts for popular phone and tablet brands and models. Samsung finds itself at the head of the pack, with many devices boasting batteries that will endure 2,000 cycles. With Google just announcing the start of its Battery Performance Program for the Pixel 6a, set to get underway next week, battery health is very much on ou

Topics: 000 charge cycles galaxy moto

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Pick up Amazon's Echo Spot while it's on sale for $45 for Prime Day

engadget.com Unknown 2025-09-03 20:30:37

Engadget has been testing and reviewing consumer tech since 2004. Our stories may include affiliate links; if you buy something through a link, we may earn a commission. Read more about how we evaluate products . It's still a couple of days until Prime Day 2025 officially kicks off, but the sales are already here. There's deals on some of our favorite products, like the TP-Link Deco AXE5400 WI-Fi mesh router system and the Amazon Fire TV Stick 4K Max. Now, another Amazon device is on sale: the

Topics: amazon day deals echo prime

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Anker Clears Out USB-C Car Charger at Practically Free for 4th of July, Not Sure It Will Last Through Prime Day

gizmodo.com Brittany Vincent 2025-09-03 20:40:09

No matter how careful you are, you’ll probably find yourself with a dead phone battery at some point. Or you’ll be dealing with a dwindling battery at some point that still needs to be charged and you don’t have anywhere to do it since you’re in the car. If this sounds familiar, it might be time to plunk some money down on a car charger. And not one of those flimsy options, either. One that can get you together no matter what kind of battery emergency you’re having. Head to Amazon to get the An

Topics: car charge charger just phone

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Latest Tech News

Caching is an abstraction, not an optimization

Wind Knitting Factory

Meet Soham Parekh, the engineer burning through tech by working at three to four startups simultaneously

Crunchyroll blames third-party vendor for AI subtitle mess

A simple opensource social media researcher powered by exa ai api and youtube v

The Person in Charge of Testing Tech for US Spies Has Resigned

The best laptops you can get

I replaced my Ray-Ban Meta with these Amazon smart glasses, and was impressed

Provider of covert surveillance app spills passwords for 62,000 users

The Percentage of Tasks AI Agents Are Currently Failing At May Spell Trouble for the Industry

Report: Apple looked into building its own AWS competitor

Caching is an Abstraction, not an Optimization

Stripe’s first employee, the founder of fintech Increase, sort of bought a bank

Hands on: Spigen adds to C1 line with iMac G3-inspired Apple Watch stand

E Ink is turning the laptop touchpad into an e-reader for AI apps

OpenAI Says It's Hired a Forensic Psychiatrist as Its Users Keep Sliding Into Mental Health Crises

MacBook with iPhone CPU rumors, AI Siri partnerships, new EU App Store rules

New Mac models through 2026 revealed in leaked Apple identifiers

HP 14-Inch Touchscreen Chromebook Is Practically Free, Working as Both Tablet and Laptop at a Record Low

A Game Called 'Date Everything' Literally Lets You Date Everything—Except People

Meta has found another way to keep you engaged: Chatbots that message you first

Deals: M4 MacBook Air from $849, M4 iPad Pro, Apple MagSafe Charger from $13, Find My keychain multi-tool, more

Apple’s colorful Watch Solo Loop bands are up to 70 percent off now

Castelion is raising a $350M Series B to scale hypersonic missile business

Shonen Jump’s Comics App Now Lets You Read as Much Manga as You Want

Tighten up your cap table with Fidelity, Cimulate, and DepositLink at TechCrunch All Stage 2025

Elon Musk Says He Is So Sorry for His Horrible Behavior

Samsung phones can survive twice as many charges as Pixel and iPhone, according to EU data

Pick up Amazon's Echo Spot while it's on sale for $45 for Prime Day

Anker Clears Out USB-C Car Charger at Practically Free for 4th of July, Not Sure It Will Last Through Prime Day

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