skysight-inc/HackerNews huggingface dataset:
The problem is not texting itself, it's not paying attention to your surroundings, while moving or standing still.

If you're sitting at a red light fiddling with the stereo, the light turns green but you missed it, so the person behind you honks, chances are you'll start moving forward without actually being fully aware of the scene in front of you. And if there is someone in front of you, you could hit them. So why take the chance? Always pay attention to your surroundings.
Well, yeah, these normal inert gas fire suppression systems don't do a good job if humans can still breathe.
The Novec 1230 based ones can actually be sufficiently effective for typical flammability properties you can cheaply adhere to in a datacenter, but even then you iirc would want to add both that and some extra oxygen, because the nitrogen in the air is much more effective at suffocating humans than at suffocating fire. This stuff is just a really, really heavy gas that's liquid below about body temperature (boils easily though), and the heat capacity of gasses is mostly proportional to their density.

Flames are extinguished by this cooling effect (identical to water in that regard), but humans rely on catalytic processes that aren't affected by the cooling effect.

If you could keep the existing oxygen inside, while adding Novec 1230, humans could continue to breathe while the flames would still be extinguished, but this would require the building/room to be a pressure chamber that holds about half an atmosphere of extra pressure. I'm pretty sure just blowing in some extra oxygen with the Novec 1230 would be far cheaper to do safely and reliably.

I mean, in principle, if you gave re-breathers to the workers and have some airlocks, you could afford to keep that atmosphere permanently, but it'd have to be a bit warm (~30 C I'd guess). Don't worry, the air would be breathable, but long-term it'd probably be unhealthy to breathe in such high concentrations and humans breathing would slightly pollute the atmosphere (CO2 can't stay if it's supposed to remain breathable).

Just to be clear: in an effective argonite extinguishing system you'd have about a minute or two until you pass out and need to be dragged out, ideally get oxygen, get ventilated (no brain, no breathing) and potentially also be resuscitated (the heart stops shortly after your brain from a lack of oxygen, so if you're ventilated fast enough, it never stops and you wake up a few externally-forced breaths later). Having an oxygen bottle to supplement your breaths would fix that problem for as long as it's not empty.
I just wanted to say I accidentally flagged this on mobile. It instantly disappeared, so it took about an hour to get to a desktop PC, manually go through all recent Ask HN posts via Algolia and finally determine I'd flagged this submission.

Despite unflagging and upvoting, I still don't see this in the ask section again. Certainly didn't mean to negatively impact your question's progression. Hopefully @dang or @sctb can restore its position.

Very sorry about that!
I reach for Spring Boot as my tool of choice for most APIs, but I feel your pain. There’s always a particular corner, the dreaded “configuration” folder, filled with a collection of random annotations, single-purpose beans, filter chain setup, etc.

I find that most of my business logic ends up being really compact and powerful, but the tradeoff is that one chunk of the project is really dense.
> I wish Tesla would just introduce a touch interface into the wheel so it knew your hands were on it, but not require constantly resisting the wheel to trigger the sensor.

Morons will use devices that clamp to the steering wheel to defeat this sensor. Actively turning the wheel is harder to spoof.

edit: looks like we went through this process already.

https://www.theverge.com/2018/6/19/17479316/tesla-autopilot-...
It was never a problem in 2 years of traveling. My priority order was hostel, Airbnb, camping, hotel. Camping got higher priority if there was good nature or it was expensive.

Airbnbs (the kind where you stay in somebody's spare room, not a whole place to yourself) are plentiful and cheap outside major cities, and mean you get to meet locals. I had so many good experiences doing that. More often than not I would book an Airbnb in the afternoon for that night, when I had figured out how far I would get that day.

Homestays are abundant and cheap in India and other parts of Asia. $10 for dinner/bed/breakfast. I didn't camp in India once because they were so cheap and abundant -- I'd rather eat delicious food and meet a local family.

Wild camping is much more of a normal thing outside of the US, even if it is technically not allowed. You just find somewhere discreet. In Europe, I was discreet but always welcomed if somebody found me. In Asia nobody gives a shit, you can just do what you like.
That computer in 1991 must have cost a fortune...Maybe $5000 with a monitor?
Homes are going up in value because they are "real estate", on a world with inflation about to take over.

Buying a house preserves wealth from inflation.

Renting an apartment you are subject to the inflation, you don't benefit from it.

Buying a house is a hedge against the current fake economy.
We aren’t talking about cars. As I said earlier, they aren’t a valid comparison.

Computers and cars are quite different in their components, and life cycle.
Definitely! We support Github at the moment with plans to expand into Bitbucket and Gitlab shortly :)
Can we apply the same logic and say that women are not as successful in their career because they're not as good in a professional setting as men?

Maybe there are so few female inventors because women are not as good at inventing/creating things?

Also, this is assuming grades are good at measuring how smart someone is.
Ideas for future NASA missions searching for extraterrestrial civilizations
I can vouch for this. I recently had a wonderful experience spanning a few months cultivating Psylocybe cubensis by salvaging spores from a bag of dried shrooms (spore prints are as illegal as the shrooms themselves here and really hard to come by). Coming from a physics background and never really having done work on living things it was almost magical watching the spores germinate on agar plates, transfering healthy mycelium away from contamination onto new clean plates, colonizing grain with the resulting mycelium and in the end fruiting several healthy flushes in a small plastic container in my cupboard. You really just need a kitchen and some commonly available groceries. I'm now cloning store-bought edible mushrooms and planning to grow enough for my own dinners throughout the warmer season. It's a very rewarding hobby.
Well, you can still have select; it "just" has to react to one of the futures becoming ready by cancelling all the other ones and waiting (asynchronously) for the cancellation to be complete. Future doesn't currently have a "cancel" method, but I guess it would just be represented as async drop. So this requires some way of enforcing that async drop is called, which is hard, but I believe it's equally hard as enforcing that futures are polled to completion: either way you're requiring that some method on the future be called, and polled on, before the memory the future refers to can be reused. For the sake of this post I'll assume it's somehow possible.

Having to wait for cancellation does sound expensive, especially if the end goal is to pervasively use APIs like io_uring where cancellation can be slow.

But then, in a typical use of select, you don't actually want to cancel the I/O operations represented by the other futures. Rather, you're running select in a loop in order to handle each completed operation as it comes.

So I think the endgame of this hypothetical world is to encourage having the actual I/O be initiated by a Future or Stream created outside the loop. Then within the loop you would poll on `&mut future` or `stream.next()`. This already exists and is already cheaper in some cases, but it would be significantly cheaper when the backend is io_uring.
> JAVA

Keyword-happy business HR: "Sorry, we're looking for Java. Case-insensitivity? No, we have to be sensitive to everyone. Being insensitive is not what HR does."
As a Thai person, the cooks know that if they have non Thai guests, especially "Farangs", they need to tone down their spicyness. You have to insist them or bring a local to have them make it hot.
"very real threat of supply chain attacks"

Every year millions of devices are thown away because of this.

How many phones suffered from supply chain attack last year? Probably zero.

Apple products are designed to subvert the concept of ownership.
They retain control even after i paid for the item.

We live in a world where all of my equipment could be switched off if one of their servers goes down, you are legally forvidden from repairing it and people like you giht to defend these practices - you couldn't make it up! You are fighting to became a peasant without any rights.

Other manufacturers are already following suit, and there wont be any choice left.
Oooh, I actually have a use for this. Any interest in open sourcing it?
"Swarajya" is a right-wing rag on about the same level as Breitbart or National Enquirer is in the US.
They're probably working on that extension :) (but of course I meant "I did not travel to many places in the world like I thought the OP was asking, just one tiny part of the U.S.")
Why, not who. Why aren’t they funding this research?
What about water?
Iteration Inside and Out
The challenge with Hydrogen is that it leaks quickly out of systems so they need to be very tight fitting. The combustion element isn't the huge challenge - in fact diesel and gasoline are more dangerous from an accident perspective if there is a tank leak because they remain on the scene setting up a flammability risk whereas hydrogen readily and incredibly quickly dissipates into the atmosphere.

For hydrogen to work in the trucking space you work on end-to-end systems, therefore negating the need to change the entire infrastructure. You target 80% of the trucking industry and leave the last might to more carbon intensive mechanisms.

I think the approach that best works for your company - and the one that I natively believe in: We need all of these technologies to change the future narrative and not fall into a situation where the new technologies are competing against each other.

If you can remove the technology risk/operation risk and start deploying these systems quickly - you have a very promising opportunity ahead of you. Don't waste time trying to compete against EV or Hydrogen. All of the above is the approach.
I had one where "OWL is just like MFC, right?". At least she did listen while explained the differences. Sadly, I took a report writing gig to get out of one place. That was a hell of a bad call.
There are bad players who know openings, but there an no good players who don’t know openings.

Without opening theory you will just get worse middle game against any competent opponent. Furthermore, if you could just calculate everything ab inito your play would be identical to “memorized opening,” alpha zero did learn a lot of standard openings from self-play (without being shown these opening explicitly). If someone plays a “bad” opening in a serious game it’s because not only they don’t know theory but they also can’t calculate well enough.
I definitely approve of "quit messing with the clocks"; but why take the positive action of legislatively mandating them incorrect; when "step back and cease this foolishness" seems so much more sensible?
1. The regeneration process actually requires very little energy because we're able to use waste heat from the truck's exhaust to power the process.

2. The tank requires 8 ft x 8 ft (on a 16 ft x 16 ft pad). The pump and refrigeration unit are small and are mostly off, so they don't use a lot of energy. Our early partners are also powering them using renewable energy, to further help our lifecycle emissions reduction.

3. Our understanding is that the price of CO2 varies geographically, so it will depend on where in the country we're capturing CO2. We're still testing the exact purity of our CO2, but it's definitely > 95% and we believe we can get it to > 99%. What purity does your company use?

4. It only takes trucks a few minutes to offload the CO2. They don't have to unload or reload anything - they just have to attach a hose and the device pumps the CO2 into the offload tank. We want to make this as easy as possible for drivers. Our first partners are actually very large companies that own private fleets of semi trucks and have aggressive climate commitments, so they have a little bit more wiggle room to test new technology!

5. That's exactly our plan. In the short term, we'll be earning revenue by selling to the concrete producers or other industrials. In the medium term, we'll be mainly be earning revenue by permanently sequestering our CO2 deep underground.

Let me know if I missed anything!
Personally my email hosting is down but thanksfully my web hosting and nextcloud instance were both at GRA2 (Gravelines).

But i have a friend who potentially lost important uni work hosted on his nextcloud instance... On SBG2.

A rough reminder that backups are really important, even if you are just an individual
One of the side-projects I built on the trip turned into my full-time job. :)
I haven't used drop box before, how do you keep synced? Do you access it the .emacs.d through a symlink? do you copy it over to ~ and copy back when you make changes? Do you use it directly from the Dropbox "local" folder? I'm currently using git to push/pull but it would be nice if it was more automated.
Could not disagree more about goto. Small programs always turn into larger ones. And what you have at the end if you're not from the beginning using practices appropriate for larger programs is spaghetti code.

I'm not criticizing it in context -- a lot of this code dates back to the mid 80's if I'm not mistaken. But always write new code using scalable idioms.
Yes, but it is an informed decision and typically taken at the board level, very few CEO's that are not 100% owners would be comfortable with the decision to leave an existential risk uncovered without full approval of all those involved, which is kind of logical.

Usually you'd have to show your homework (offers from insurance companies proving that it really is unaffordable). I totally get the trade-off, and the fact that if the business could not exist if it was properly insured that plenty of companies will simply take their chances.

We also both know that in case something like that does go wrong everybody will be looking for a scapegoat, so for the CEO's own protection it is quite important to play such things by the book, on the off chance the risk one day does materialize.
"All people lie" is such a dangerous mindset. Of course it's true, if you apply the right semantics. But it's simply faux-philosophical when out of qualifying context.

There are many actions which you might call "lying", including self-deception and politeness, but which are pretty far from the deliberate verbal deception which is generally associated with the word. If you want to understand "lying" in a broad sense, then you should definitely clarify that people lie with different motivations, methods and impacts.

It's just such a trope for narcisstic people to say "all people lie, at least I admit it to myself".
Thanks so much! Want to shoot me an email at hello@remoracarbon.com?
Flutter is no longer a cross-platform framework
The communist party was pretty successful in helping to overthrow the Portugese dicatorship in the early '70s, but they were also democrats. They're still one of the major political parties in Portugal, and you see ads for the communist party everywhere.

The Indian state of Kerala is the most advanced, well run, and successful region of the country. On development indexes it ranks with the poorer regions of the EU. It's also largely a communist state, but once again the communists are democrats.
What’s the market size for concrete hardened with CO2?

From what I’ve read this is a technique to lower the cost of concrete, so the added value would be capped at roughly whatever the price of concrete without CO2 is. There’s also the possible substitute of CO2 derived from other sources with a lower recovery cost, such as sequestration at a plant as you mentioned. How much can be charged for captured CO2 and what’s the market price?

The big difference between plant sequestered CO2 seems to be the need to sweep up and store the CO2 which will be stored across the country. How will the infrastructure for offloading into the tank and delivering the captured CO2 work? How many tanks and how many trucks for moving the liquified CO2?
IANAL. As I understand it the possession of dried shrooms is much less ambiguously illegal than fresh shrooms. It varies widely between states. In mine a rare prosecution for possession of fresh shrooms failed due to that ambiguity.

https://www.inverse.com/article/7772-magic-mushrooms-are-leg...
My brother convinced his taxi driver he wanted what the natives ate and got the driver's mother to cook a real meal for him. I was elsewhere that day, and I regret missing it (We were on the same vacation, I signed up for a tour that day because there was a sight I wanted to see that he couldn't afford)

If you can pull that one off you will have got the best and mroe authentic experience.
POS = "Proof of stake" here, not the more common use of POS. PoS if implemented with the correct incentives is as secure as PoW. I don't have much faith in crypto helping unbanked populations, as there is a pretty high learning curve. You can easily wipe away all your money if you do a step wrong or loose a private key.
> CDs added additional frequencies into the high range

CDs didn't add anything. The treble was always there, or was added in mixing/mastering for creative reasons. Vinyl and Cassete simply didn't or couldn't reproduce those frequencies.

You could, of course, remove the frequencies on CD to match Vinyl or Cassette, but they were kept (or even added) in CD for artistic reasons.
Only because the true cost of fossil fuels and other pollution isn't reflected in the sale price to the end users, so it's often cheaper to buy new rather than repaired products.

If the true cost of pollution were pushed into the sale price for end users, end users would have to reduce their purchases of non repairable items, and consumers would then value repairability as a feature, incentivizing manufacturers to cater to that.

It's much easier to force the change this way than through figuring out the correct wording in legislation, which is bound to have loopholes and be subject to costly (time wise) legal conflicts.

The root of the issue is that things are so cheap, repairing them makes no sense, regardless of repair-ability. Manufacturers didn't one day decide to drop repair-ability. One did it, and found that they were not punished by consumers. In fact, they were probably rewarded by offering new "features". Then another manufacturer did it, then another, and so on. And obviously, it works. I just went to someone's house who was showing off their fancy new fridge with a see through door.

Of course, the very very root of the issue is humanity's excess consumption which is causing harm to the environment we live in, but as I wrote earlier, that faces insurmountable political headwinds.
I feel like the core argument of the original "what color is your function" article is that you can't abstract over sync/async. You can't write `array.filter` to receive a sync or async parameter, it is either one or the other.

Has this been solved anywhere?
Every LA Olympics so far has been profitable.

This is because LA generally reuses existing venues when possible, and almost all facilities built for the Olympics are designed with plans for post-Olympic usage.

For example, the LA Memorial Coliseum was built in 1921 as WWI memorial and was expanded for the 1932 Olympics a decade later. The Coliseum was not upgraded for the 1984 Olympics (though the track and field were upgraded), and the only two venue custom-built for the 1984 Olympics were the velodrome and swimming stadium.

The 1984 Olympics was one of the most cost-conscious Olympics ever held, and is still the most profitable Olympics. Like today, few cities wanted to host the Olympics due to cost concerns. Indeed, LA was the only remaining bidder by the time the decision reached the IOC (similarly, for the 2024 Olympics, Paris and LA were the only two bidders remaining, and LA was the only city willing to bid for 2028). The 1984 Olympics were almost entirely privately funded (thanks to Hollywood and other corporate backers). LA made significant use of existing structures, low-cost decorations, and was the first Olympics to truly take advantage of corporate sponsorships and television contracts. For example, the velodrome was funded by 7-11, and the swimming stadium was funded by McDonalds.

The forthcoming 2028 Olympics follows the blueprint set by the 1984 Olympics: reusing existing venues and infrastructure, to the extent that the only venues that will be created solely for the Olympics are the viewer stands for some of the outdoor events like bmx and canoeing. Extensive use of corporate and private sponsorship. Pretty much the only thing that requires government funding is the security, and the US federal government will be providing the bulk of that.
I think they are dumb. But, people are getting more and more used to having a lot less physical things. Maybe the truth is they don't really care about the thing itself, but the feeling they are special because they hold it, and others don't. For that reason, maybe NFTs are going to be valuable. I didn't say, intentionally, they will be useful, just valuable. Value is in the eye of the beholder.
Biofuel is not a good source of energy. It uses a lot of land.

It just doesn't make sense to emit all the CO2 to then recapture and sell it to someone. First, it's awefully inefficient, and second, do you think there's an infinite amount of demand for CO2 at a high enough price that it makes sense to jump through all these hoops?

Unfortunately, the best solution for climate change is the least sexy, and therefore techies, VCs and the media don't jump on it. 1) Reduce emissions by "boring" things like solar power and less livestock agriculture, 2) increase the existing CO2 sinks that already exist in nature (forests and coastal areas).
> I'm all for the potential of cryptocurrency... But can we all agree NFTs are dumb though?

Sure, given how they're being used for now; but with some refinement this could displace deeds and titles for property for instant verification. Possibly even validating credentials and degrees and maybe even passport and associated visas.

I'm not sure how you get over the enforceability aspect, but I can see a country like Estonia could opt to build their architecture around this.

Also, if I'm honest ETH is the last blockcahin of the big 3 that I'd consider putting something critical given all the exit scams: DAO and the first ETH etc...
What's the current best resource for this? Long ago it was pressure cookers and mason jars and even an aquarium! Is there a more streamlined simpler process now?
Thank you for the advice. Yes, I should've been more careful in my previous comment.

I have noticed this comment only after engaging with him in https://news.ycombinator.com/item?id=26410565 in which he wrote about me:

> You do not know what you are talking about.

> You are confused.

So my reaction was a bit too harsh partially due to that.
Changing the tires on a moving codebase