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C3 solved memory lifetimes with scopes

news.ycombinator.com Unknown 2025-07-29 12:27:42

2025-07-11 Modern languages offer a variety of techniques to help with dynamic memory management, each one a different tradeoff in terms of performance, control and complexity. In this post we’ll look at an old idea, memory allocation regions or arenas, implemented via the C3 Temp allocator, which is the new default for C3. The Temp allocator combines the ease of use of garbage collection with C3’s unique features to give a simple and (semi)-automated solution within a manual memory management

Topics: allocator input int memory temp

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Google’s latest Nest Learning Thermostat is more than $60 off for Prime Day

theverge.com Brandt Ranj 2025-08-01 02:30:00

Google’s fourth-generation Nest Learning Thermostat (the latest model) is one of the few smart home accessories I rely on every day, and it’s at an all-time low price of $218.99 ($61 off) at Amazon for Prime Day. Prime Day is almost over, but Best Buy and Google are also offering a $40 discount. This generation introduced greater compatibility with HVAC and smart home platforms, improvements to its Smart Scheduling feature, and a significant hardware redesign. Verge reviewer Jennifer Pattison Tu

Topics: google home smart temperature thermostat

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Tempur-Pedic Promo Codes: Up to 50% Off

wired.com Julia Forbes 2025-08-05 06:00:00

Life is hard, but you know what isn’t? Tempur-Pedic mattresses. This brand’s been around for a long while, which isn’t shocking given the high-quality materials that perform for those that need advanced pressure relief and support. If you’re someone who deals with regular aches and pains, this is a good place to start looking for a new mattress. For those that also want to avoid putting a strain on their budget, now’s a good time to look, as Tempur-Pedic is launching its summertime 4th of July s

Topics: mattress pedic pillows really tempur

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The Verge’s summer ‘in’ and ‘out’ list

theverge.com Mia Sato 2025-08-12 00:00:00

Here at this website, my colleagues and I follow our beats closely, from wearable tech and laptops to influencer culture and federal policy. Last year, I asked a bunch of staff at The Verge to pretend to be trend forecasters for a lighthearted collection of what’s hot and what’s not. Some of the predictions really held up: many would say the US Supreme Court continues to be out, congestion pricing in New York is decidedly in despite attempts to kill it, and cats are, as ever, a bit of both.

Topics: asked attempts beats bit bunch

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What should a native DOM templating API look like?

news.ycombinator.com Unknown 2025-08-19 21:40:57

If you read my previous post, The time is right for a DOM templating API, you might be wondering what such an API would look like. Let's dive into that question now. What are we building? First, let's clarify what we're trying to design here, because when people hear the abstract template API idea described, before there's a concrete proposal or examples, they can sometimes think of very different things. In webcomponents/1069 I propose that we add a "declarative JavaScript templating API"

Topics: api dom html javascript template

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I used a $170 thermal camera to check my GCFI breaker - here's why this one's worth it

zdnet.com Adrian Kingsley-Hughes 2025-08-20 02:23:24

ZDNET's key takeaways HSFTools' HF96V thermal camera is available now for $180. It has a broad temperature range and a high level of accuracy with an eight-hour battery life. It has an IP54 rating for dust and water-resistance, but it's not waterproof. $189.99 at Amazon For a limited time, the HSFTools HF96V thermal camera is $40 off on Amazon, bringing it down to $180. Regular readers will know that I am a little obsessed with thermal imaging cameras. I regularly use them built into smartph

Topics: camera cameras temperature thermal zdnet

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Gemini could soon rival ChatGPT with its new privacy feature (Update: A closer look)

androidauthority.com Unknown 2025-08-20 22:35:27

Ryan Haines / Android Authority TL;DR Google is working on a temporary chat feature for Gemini. This feature could be similar to ChatGPT’s Temporary Chats, which give users a blank slate for conversation and doesn’t save any memory. We were able to subsequently take a closer look at this feature via more screenshots. Update: July 1, 2025 (8:30 AM ET): We uncovered evidence of a temporary chat feature in Gemini earlier this month (see the original article below). We were only able to provide

Topics: chat chats feature google temporary

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Are portable AC units viable at home? My verdict after testing one during a heat wave

zdnet.com Maria Diaz 2025-08-23 02:00:15

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $1,399 with a battery, a limited-time discount This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch.The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,299 at Amazon Many parts of the US are sizzling right

Topics: air degrees heat temperature wave

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Best Grills for 2025: We Tested Dozens to Find the Best Grill in Every Category

cnet.com See Full Bio 2025-08-24 05:52:00

We use thermocouples linked to computer software to measure internal grill temperatures. Brian Bennett/CNET We test the main types of grills differently, but for most, we include a high-heat test like searing steak or grilling burgers, a medium, indirect heat test like grilling a whole chicken for more than an hour and a low-and-slow test with racks of ribs. With over 30 grills tested, we've got this down to a tee. To determine what should be the best outdoor barbecue grill, we collect data inc

Topics: grill grills heat temperature test

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My air conditioner broke during a heat wave - and this portable AC saved the day

zdnet.com Maria Diaz 2025-08-24 22:50:55

ZDNET's key takeaways The EcoFlow Wave 3 is a portable air conditioner and heater that costs $1,299 on its own and $1,399 with a battery, a limited-time discount This is a portable air conditioner and heater that is more powerful than its predecessor It is also off-grid ready for camping, RVing, and even helping in a pinch.The Wave 3 is pricey, loud in some settings, and is not as efficient in extreme heat, direct sun, or tent camping. $1,299 at Amazon Many parts of the US are sizzling right

Topics: air degrees heat temperature wave

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Ember Mug 2 smart mug plummets to new record-low price!

androidauthority.com Unknown 2025-08-25 14:27:20

The Ember Mug 2 is one of my most prized possessions. It keeps my coffee at the perfect temperature all the way to the last sip. If you’re a coffee or tea lover, you’ll know how annoying a lukewarm (or cold) sip can be. If you want that feeling to be a thing of the past, right now is the best time to get an Ember Mug 2. You can take it home for as low as $74.99, which is a heck of a deal considering its retail price sits at $149.95. Only the White model is discounted this much, though. Buy the E

Topics: drink ember know mug temperature

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The time is right for a DOM templating API

news.ycombinator.com Unknown 2025-08-26 05:23:28

TL;DR: I want to propose adding a declarative templating API to the web platform. Here's why... The web platform is the most successful application runtime of all time. While the largest reason for this is the web's reach, it wouldn't be possible without the DOM API, which turns a mostly static document viewer into a highly dynamic and expressive runtime. For as much hate as the DOM sometimes receives (some of that deserved, but some really not!) the DOM is undeniably a very powerful API. This

Topics: api dom javascript template templating

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Don't make this thermostat mistake during heatwave: 3 cost-saving tips from an expert

zdnet.com Chris Bayer 2025-08-30 08:00:15

Maria Diaz/ZDNET Have you ever found yourself in a thermostat tug-of-war? One room feels like a sauna, another like an icebox, all while your trusty thermostat claims your home is at a perfectly average and comfortable 72 degrees? The truth is, you're probably not imagining things, and the culprit could be hanging right there on your wall. As it turns out, where your thermostat is located can make a world of difference to both your comfort and your energy bills. Also: How to disable ACR on yo

Topics: home living room temperature thermostat

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Managing time when time doesn't exist

news.ycombinator.com Robb Corrigan 2025-08-30 01:28:12

The Ultimate Productivity Paradox Imagine explaining to your boss why you’re late for a meeting because time doesn’t actually exist. Not in the philosophical “time is a social construct” sense that gets you invited to fewer dinner parties, but in the rigorous scientific sense where quantum gravity’s most fundamental equations contain absolutely no time variable whatsoever. You’d be attempting to justify tardiness using cutting-edge physics to someone whose greatest temporal insight is schedulin

Topics: management productivity quantum temporal time

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Tempur-Pedic Promo Codes: Up to $500 Off

wired.com Julia Forbes 2025-09-01 14:00:00

Life is hard, but you know what isn’t? Tempur-Pedic mattresses. This brand’s been around for a long while, which isn’t shocking given the high-quality materials that perform for those that need advanced pressure relief and support. If you’re someone who deals with regular aches and pains, this is a good place to start looking for a new mattress. For those that also want to avoid putting a strain on their budget, now’s a good time to look, as Tempur-Pedic is launching its summertime 4th of July s

Topics: july mattress pedic pillows tempur

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150 Million Americans Under Life-Threatening Heat Dome This Week

gizmodo.com Ellyn Lapointe 2025-09-02 02:15:52

More than 150 million Americans from Texas to Maine are under extreme heat advisories as dangerously high temperatures bake the nation. Meteorologists warn that this heat dome could expand to affect an additional 20 million people by mid-week. In more than three dozen states from the Plains to New England, daytime temperatures could reach and exceed 100 degrees Fahrenheit (38 degrees Celsius) through at least Tuesday, AccuWeather reports. In an advisory issued Monday, June 23, the National Weat

Topics: degrees heat high said temperatures

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I wrote my PhD Thesis in Typst

news.ycombinator.com Unknown 2025-09-03 19:12:01

I wrote my PhD Thesis in Typst I recently submitted my PhD thesis, and while waiting for the physical copies to get printed I thought I'd write about something you (hopefully) wouldn't notice when reading it. I wrote it in Typst, not LaTeX. In this post I will talk a bit about what went well and what didn't. Typst (https://typst.app/) is a modern take on a typesetting language that I think has a real shot at dethroning LaTeX. I would describe the language as a mix of markdown and dynamically t

Topics: language latex template thesis typst

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Low-Temperature Additive Manufacturing of Glass

news.ycombinator.com Unknown 2025-08-30 19:13:49

Researchers used the low-temperature additive manufacturing process to build the glass cups above. The optical behavior of the printed cups can be tailored by altering the chemical components of the inks. Additive manufacturing (3D printing) holds promise for fabricating complex glass structures that would be unattainable with traditional glass manufacturing techniques. Lincoln Laboratory’s innovative approach allows additive manufacturing of multimaterial glass items without the need for costl

Topics: glass ink manufacturing structures temperature

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HomeKit Weekly: Aqara’s W100 Climate Sensor brings precision monitoring and smart control to your HomeKit setup

9to5mac.com Bradley C 2025-09-04 10:45:00

Last night, I had forgotten to take my upstairs Nest off Eco mode, and I was shocked to see the difference in one of my son’s rooms based on my Nest Temperature Sensor. In my dream world, I’d have a variable system that could heat and cool rooms independently, but nevertheless, I didn’t buy bitcoin when it was $1, so I cannot afford that. With that being said, I do like having the knowledge of what’s happening in individual rooms and having that data in HomeKit. The new Aqara W100 Climate Sensor

Topics: aqara home homekit sensor temperature

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Garmin’s new sleep tracker offers a week of battery life

engadget.com Unknown 2025-09-09 22:23:50

Sleep tracking is nothing new in Garmin’s fitness watches, but the company’s latest wearable is a dedicated smart sleep band. The Index Sleep Monitor offers week-long battery life with continuous pulse ox tracking for monitoring your blood oxygen saturation while you sleep. Garmin’s tracker is worn on the upper arm — which should hopefully make it more comfortable — where it tracks a variety of metrics: skin temperature; light, deep and REM sleep stages; and variations in your heart rate and br

Topics: garmin monitor sleep temperature tracking

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Alaska Issued Its First Heat Advisory, and Only 2% of Homes Have AC

cnet.com See Full Bio 2025-09-12 01:41:21

Alaska got its first-ever heat advisory over the weekend, which is in effect until June 17. Over the last few days, temperatures in central Alaska have reached 86 degrees Fahrenheit (that's 30 Celsius). It's not as if Alaska never gets hot in the summer. However, as Jason Laney, a warning coordination meteorologist with the National Weather Service in Fairbanks, Alaska, told CNET, "The frequency with which the heat is coming up is starting to be a bit of a concern." This heat advisory seems pr

Topics: alaska fairbanks heat temperatures weather

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This smart thermostat mistake may be costing you money - here's the best place to install it

zdnet.com Chris Bayer 2025-09-12 10:00:20

Maria Diaz/ZDNET Have you ever found yourself in a thermostat tug-of-war? One room feels like a sauna, another like an icebox, all while your trusty thermostat claims your home is at a perfectly average and comfortable 72 degrees? The truth is, you're probably not imagining things, and the culprit could be hanging right there on your wall. As it turns out, where your thermostat is located can make a world of difference to both your comfort and your energy bills. Also: How to disable ACR on yo

Topics: home living room temperature thermostat

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Best Kamado Grill for 2025

cnet.com See Full Bio 2025-09-14 23:00:00

Testing kamado grills is an intense experience for a griller. It requires playing with fire (literally) and high temperatures, although in a controlled, responsible way. The most critical element to kamado's performance is heat, specifically temperature control and how well a grill holds to one temperature. To smoke meat low and slow, that magic number is 225℉. Good smokers, kamados or otherwise, will stick to this temp for as long as 12, 15 or 20 hours. This means the temperature gauge is key a

Topics: cnet grill heat kamado temperature

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Alaska, Where Only 2% of Homes Have AC, Just Issued Its First Heat Advisory Ever

cnet.com See Full Bio 2025-09-15 14:37:42

Alaska just crossed a first off its bucket list with the first-ever heat advisory for Sunday, June 15. Temperatures in central Alaska are expected to reach 86 degrees Fahrenheit (that's 30 Celsius) through the weekend and into the week of June 16. It's not as if Alaska never gets hot in the summer. However, as Jason Laney, a warning coordination meteorologist with the National Weather Service in Fairbanks, Alaska, told CNET, "The frequency with which the heat is coming up is starting to be a bi

Topics: alaska heat laney temperatures weather

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Mel Brooks is returning for Spaceballs 2

theverge.com Jay Peters 2025-09-15 18:00:11

is a news editor covering technology, gaming, and more. He joined The Verge in 2019 after nearly two years at Techmeme. Spaceballs, which was first released nearly 40 years ago, is getting a sequel in 2027 from Amazon MGM Studios. A Spaceballs 2 announcement trailer posted Thursday doesn’t have any solid details besides the date, though it does poke fun at the entertainment industry’s obsession with franchises and spinoffs by listing many of them out. (I particularly liked “DCU attempt Number

Topics: attempt brooks film pullman years

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Are Those Viral ‘Cooling Blankets’ for Real?

wired.com Rhett Allain 2025-09-17 07:00:00

If you spend much time on the internet, you will see the same things pop up again and again. For me, it's these “cooling blankets” that people talk about on social media. I mean, it sounds great for summer—just like a blanket that warms you up but in reverse. Sadly, these products don’t do what they claim. They might be breathable so they don’t make you as hot as an ordinary blanket would, but you’d still be cooler with no blanket at all. However, there is hope. Someone has created a real cooli

Topics: blanket block energy objects temperature

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Type-based vs. Value-based Reflection

news.ycombinator.com Unknown 2025-09-17 13:34:42

Type-based vs Value-based Reflection Frequently, whenever the topic of Reflection comes up, I see a lot of complains specifically about the new syntax being added to support Reflection in C++26. I’ve always thought of that as being largely driven by unfamiliarity — this syntax is new, unfamiliar, and thus bad. I thought I’d take a different tactic in this post: let’s take a problem that can only be solved with Reflection and compare what the solution would look like between: the C++26 value-ba

Topics: reflection std template type value

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I found a backdoor into my bed

news.ycombinator.com Unknown 2025-06-04 06:27:54

What's an Eight Sleep? A little while ago I asked my infosec Twitter followers what IoT device in my house they thought I found a live AWS key in. (For those that don’t know, Amazon keys can be incredibly dangerous if exposed) Guesses ranged from a refrigerator to a bidet, but no one got it right. The right answer was my bed. I also found a backdoor into my bed, but more on that later. Security professionals are, in my experience, exhausted of things being connected to the internet

Topics: access bed key sleep temperature

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Latest Tech News

C3 solved memory lifetimes with scopes

Google’s latest Nest Learning Thermostat is more than $60 off for Prime Day

Tempur-Pedic Promo Codes: Up to 50% Off

The Verge’s summer ‘in’ and ‘out’ list

What should a native DOM templating API look like?

I used a $170 thermal camera to check my GCFI breaker - here's why this one's worth it

Gemini could soon rival ChatGPT with its new privacy feature (Update: A closer look)

Are portable AC units viable at home? My verdict after testing one during a heat wave

Best Grills for 2025: We Tested Dozens to Find the Best Grill in Every Category

My air conditioner broke during a heat wave - and this portable AC saved the day

Ember Mug 2 smart mug plummets to new record-low price!

The time is right for a DOM templating API

Don't make this thermostat mistake during heatwave: 3 cost-saving tips from an expert

Managing time when time doesn't exist

Tempur-Pedic Promo Codes: Up to $500 Off

150 Million Americans Under Life-Threatening Heat Dome This Week

I wrote my PhD Thesis in Typst

Low-Temperature Additive Manufacturing of Glass

HomeKit Weekly: Aqara’s W100 Climate Sensor brings precision monitoring and smart control to your HomeKit setup

Garmin’s new sleep tracker offers a week of battery life

Alaska Issued Its First Heat Advisory, and Only 2% of Homes Have AC

This smart thermostat mistake may be costing you money - here's the best place to install it

Best Kamado Grill for 2025

Alaska, Where Only 2% of Homes Have AC, Just Issued Its First Heat Advisory Ever

Mel Brooks is returning for Spaceballs 2

Are Those Viral ‘Cooling Blankets’ for Real?

Type-based vs. Value-based Reflection

I found a backdoor into my bed

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