skysight-inc/HackerNews huggingface dataset:
Show HN: A remote job aggregator with filters
This study found that in the US, food allergies are actually more prevalent among African-American and Hispanic children than among (non-Hispanic) white children:

https://www.jaci-inpractice.org/article/S2213-2198(16)30504-...
Check out the "Impossible Trinity": https://en.wikipedia.org/wiki/Impossible_trinity

A country can have two of the following three w/r/t its currency (but not all three)

a fixed foreign exchange rate
free capital movement (absence of capital controls) # the USA likes this, or rather investors in the USA do
an independent monetary policy # most everyone wants this

China chose fixed rate and independent monetary policy, the USA chose free capital movement and independent monetary policy.
In any case, if one reboots the computer, that has to remove that possibility.
>
> Are you suggesting I had the gullible interpretation?

Yes.

> What action would you suggest is the appropriate one to this PR move?

When these corporations put their money where their mouth is, we can start to seriously consider such statements. Until then, laughter and derision are appropriate.
Wow I haven't been confident in buying electronics or anything with a battery on Amazon for a while - now I guess I'll add books to the list. Lately even buying the same brand of toilet paper has resulted in differing qualities each time.

Amazon is becoming less reputable than eBay at this point... at least with eBay, the seller has individual ratings and is not hidden behind whatever brand of product they are selling.
Impressive but is this a good idea?

Either you need a crazy thermal solution, or it must be way less thermally dense than smaller chips can be. And is it really that much of an advantage to stay on chip compared to going through a PCB, if distances are crazy?
18 GByte of memory with 1 clock cycle latency? That's impressive.
Exponential time algos aren't really practical on any hardware except quantum computers, and only for algorithms that benefit from quantum speedup such as the quantum fourier transform[1]. The quantum fourier transform goes from O(n2^n) in a classical computer to O(n^2) in a quantum computer.

[1] https://en.wikipedia.org/wiki/Quantum_Fourier_transform
Why the downvotes? I just want to find out exactly what the situation is so that I know how much I should or should not worry about it.
Need more info. What do you mean by radically fast? Unless you're doing lots of computation in your web request, then the "steering code" that is currently nodejs is almost never your bottleneck. 90% of the time your database is your bottleneck. sqlite can be crazy fast for one request at a time so it just depends on your app.
Tesla makes a profit on every car that they sell[0].

There are more people wanting to buy Tesla's than they can currently produce[1].

Telsa needs to spend more money to increase production. They make money on each car sold and they can sell a lot more than they currently do. Tesla being in the red in order to increase production is the same scenario that Amazon was in.

[0] https://www.fool.com/investing/2019/07/26/tesla-management-t...

[1] https://electrek.co/2018/07/03/tesla-model-3-long-backlog-re...
That's a lot of assumptions my dude.

I don't see who is the "dictator" in your example as it relates to a union shop. You're all small (1 person) dictatorships, but you could also frame it as 1 person democracies? In this situation a systemic abuse is any abuse that happens to you, because you're the entire system? Or this is just a really hard metaphor to work with?

I get that you're argument below was "I'm lazy and don't have time to deal with being informed about the issues that would come with a union" but how is that any different from "I'm lazy and don't have time to deal with being informed about all the possible labor abuses my employer is perpetrating"? Why does it have to be systemic to be a net negative, and how do you know you're aware of everything going on?

You can just be a lazy union member and assume that "the union is a net good" the same way you can be a lazy non-union member and assume "being unionless is a net good".
How's that play out in terms of, say, performing some long-running calculations, rather than something that performs IO?
Actual think-tank paper:
https://www.ussc.edu.au/analysis/averting-crisis-american-st...

After skimming I'm not too impressed with this. It makes a lot of sweeping assumptions, some totally inaccurate, about our readiness in the area and seems to disapprove of them not being at peak war-time levels. More alarmist than anything.

I might be biased since I served in Okinawa for a few years.
Rezolus: A high-resolution systems performance telemetry agent
The SD Card Association seems really short-sighted when it comes to capacity. Compare to the world of harddrive where ATA-6 introduced LBA48 which allows for capacities up to 128PiB all the way back in 2003, while SDUC introduced in 2018 is still limited to 128TiB.
Replacement is not a release plan
I keep seeing stories about how kids are talking to their friends more online and less in person, almost always spun as "tech is supplanting face-to-face interactions!"

The reverse explanation seems screamingly obvious. Minecraft, Fortnite, Facebook, AIM, pick your program, are all things kids and teens do to talk and interact when they can't be together in person. They'll play videogames at a sleepover, sure, but it's a very different thing than getting on a game every night to chat. If your friends live driving distance away, you don't have anywhere fun to hang out, and you probably can't go out on schoolnights anyway, it's no surprise that socialization moves online.

Even beyond exploration, Minecraft is a perfect vector for this. It's collaborative and persistent, the same as building a treehouse would be. It can be closed-access, so your parents don't have to worry about strangers. It's drop-in with no fixed player count, so your friends can all cycle in and out for dinner, bedtime, and so on. And it's varying intensity, so you can do anything from fighting monsters to chatting about the schoolday as you decorate a house.

The decline of physical "third places", and the outright death of third places for children, is really depressing to behold. But I think Minecraft is at least a bright spot helping to offset that; it offers practically everything you could want except physicality.
The kernel is still in control of the underlying block device, and handles all reads and writes through that block device even when it is unmounted. So it can know that the device wasn't modified between mounts (or, more likely, it'll keep the block device cache maintained).

Unplugging and replugging the card really should invalidate the cache though.
> neural net

Which is basically matrix multiplication.
See these examples of how async/await simplifies looping and error handling: https://docs.rs/dtolnay/0.0.3/dtolnay/macro._01__await_a_min.... Await syntax makes it much easier to compose asynchronous code from different libraries, in the same way that ordinary function calls compose synchronous code. Talking to epoll/mio directly is certainly possible, but it's hard to make two different libraries work well together if they both need to talk to a single epoll handle.
I'm using c++/mongodb for my backend.

I'm gonna rewrite my backend using epoll and coroutine.
For something this large, it likely isn't "encapsulated" like a normal chip. I'd almost expect it to be left more or less "bare", mounted to some kind of very stiff PCB-like material (which is probably bonded to aluminum or something). Then wire bonds from the "chip" to the PCB.

The whole thing is probably then immersed into some kind of non-conducting fluid (mineral oil or fluorinert would be my two first guesses), probably vertically to take advantage of thermal circulation. Mechanical circulation of the coolant would likely be very gentle so-as not to disturb the wire bonds, unless they have something special to keep them in place (maybe the bonds and edge of the chip are encapsulated leaving the center bare?).

All of this is just guesses from somebody not an expert or even ever touched stuff like this, just based on what little I know about how normal sized chips are packaged.
The article cites examples from an unauthorized Abridgement of Orwell’s Down and Out in Paris and London aimed at High School Students.

In what way is the existence of that work, with the cited removal of entire parts of sentences for apparent brevity, consistent with your claim that

> nothing in the article points to intentional alteration, like the tone of the article suggests

?

Did you actually fully read the article?
True, they're probably trying to avoid feminist wrath by getting into that. Along vaguely similar lines, there is a higher incidence of birth outside of marriage than in the past in the USA [0] which ends up affecting some of those things indirectly (if more father influence would push the child in the direction of the outdoors, etc)

But most importantly, there's no "P" in hexidecimal.

[0] https://www.childtrends.org/wp-content/uploads/2018/03/Nonma...
This will definitely need further testing to confirm validity and to pin down the effect further, but if true, that will leave the question of whether as a society we feel the substantial dental health benefits in most areas are worth the 1.3-point IQ reduction, and if not, what we can do to counterbalance the effects of removing flouride from the water.

Edit: Corrected the IQ drop amount.
> When I pay for a carrier, I want to know what I should be able to count on, and what I can't count on.

You can absolutely count on any wireless transmission happening on a shared medium. Inconveniencing one high volume user to keep up service quality for dozens of low volume user is a perfectly rational business decision. As for transparency: well, good regulation is not easy, particularly when support for trying is not very strong.
We just toured the Albacore in Portsmouth, NH.

http://www.ussalbacore.org/
“Despite that, several researchers argue that the paper’s methodological shortcomings undercut its importance. In a statement to the Science Media Centre in London, an independent organization that sources expert opinions on science in the news, psychologist Thom Baguley of Nottingham Trent University in the United Kingdom noted the data “are very noisy,” meaning they contain a lot of other factors that could easily lead to false positives. Psychologist Stuart Ritchie at King’s College London added that the findings are just barely statistically significant, calling them “pretty weak and borderline.” By itself, the study “shouldn’t move the needle much at all on the question of the safety of fluoride,” he wrote.”
I mean that windows can push any update, closed source, so you can't verify what it does. That is an accepted 'backdoor'
> Longtime fluoridation critics are lauding the study, but other researchers say it suffers from numerous flaws that undercut its credibility. Either way, “It’s a potential bombshell,” …

Umm, what?
> but introduced its own puzzles about the validity of the objects after the move.

In practice it's really not a puzzle. Most of the time you're using std::move it's because you don't care about the object you moved from, you're about to drop it on the floor.

The other times you either manually reset it or just read the docs of the type to find out what it says the state will be after move. It's not really any different from any other method documentation on a class.

unique_ptr (or other unique_* types) are vastly worth it, which did not otherwise have a way to work prior to C++11's move semantics.
Neither acts as a VC fund that is forced to overpay for things since it has too much capital to deploy.
Turing Pi – Homelab Kubernetes Machine for New Applications
Work has been by the poor, for the rich. That's practically the definition of rich -- profiting frmo other people's work.
I can’t even..

First, whatever you’re wiring - isn’t cash pretty much by definition.

Second - why is your default example of paying for illegal product/service is about somebody in a different country on an international sanctions list? How about buying drugs on the street? Doesn’t involve planes and duffel bags of money. Does involve cash.
$17M or $70M? 1930s Porsche fails to sell after auction snafu
The Nissan Leaf launched in 2010. The Tesla Model 3 launched in 2017.
> Also an honourable mention goes to touchscreen widgets that look like a left/right slidey switch but are activated by a tap and not a drag.

Wait, that's a bad thing? I can only imagine how pissed off I'd be when using an interface that insisted on me using my mouse to click and drag a switch to turn it "on" or "off" instead of, you know, just clicking. I don't even do the left/right swipe thing on mobile, either; way more convenient to just tap instead of drag.
>Weapons to defeat US' carrier advantage

Snark first: weapons[1] to defeat rockets and free-falling bombs have been operational for quite a while now. Next gen (laser) is being made operational; both shipboard versions and air versions for the CAP. Next next gen (railgun) is on the horizon, but still uncertain.

Serious reply: a carrier is a highly mobile, flexible airport. Like any other major fleet element, it's a threat in being, and best used that way. Might even be best used by always being held beyond radar horizon, to keep the opposing forces spread thin and deployed overtime, preventing any transports from resupplying the enemy troops deployed to Taiwan.

A carrier is also by its nature an anchor point for a whole battle group, with flexible capabilities of long range detection, jamming, attack, and defense, including major ASW threat. It can also make a 300 mile dash at 30kn to deliver several dozen F35 to an island. An overnight miracle.

[1] anti-rockets and CIWS
> How is this programmed?

Full disclosure: I am a Cerebras employee.

There is extensive support for TensorFlow. A wide range of models expressed in the TensorFlow will be accelerated transparently.
Make a Factory Quality 9mm Rifled Barrel Using Salt Water and Electricity
Treat them like family? Then why isn't the master of the house cleaning your cousin's house?
Pre-await Tokio code looks way worse to me.
Yes, this is exactly what I mean. Though I feel patterns can be formalized within thr framework of category theory.
It's a puzzle; observe 8 years of people (with 5 and 6 digit reputation!) debating the details in the comments:

https://stackoverflow.com/questions/3413470/what-is-stdmove-...
My takeaway from the article is that SD cards are a mess information-wise and that I will continue to not buy or use them.
Everything is matrix multiplication at some level!
People have suspected for a while, but it was not as clear as this new larger study. This is much more difficult to dismiss.
I wrote a book on hiring engineers – would appreciate feedback from HN
When you want to do long-running blocking work (either computation, or synchronous IO from some library that doesn't use futures), you usually want to farm that work out to a thread pool. I think Tokio provides convenience functions for doing that.

It's also possible to write a long-running computation as a future, which can yield after some smaller amount of work to let some IO get done. But I'm not sure if that's the recommended approach.
>You're arguing against the laws of physics here and you're arguing that stupid users should be able to screw everybody else. No thanks.

i think there is a misunderstanding here.
he's not arguing that ISPs shouldn' be able to bandwidth-discriminate based on customer. He's arguing that they shouldn't be able to discriminate on the type of data. what would it matter to the other users if they were slowing down the network by html5 video, VNC, or playing a game over TCP?

I don't know a lot about networks, but i think a potential solution could be to discriminate between high-bandwidth and low-latency transmissions. For a video game or something you would want to have low latency, but you wouldn't need a lot of bandwidth. on the other hand, video streaming requires a lot of bandwidth but doesn't depend so much on latency as long as it has a big enough cache. images are probably somewhere in the middle. this would allow low-bandwidth applications to be prioritized.
I predict this research will receive reasoned and appropriate appraisal by the press and public officials.
Acceptable to whom?
Matching Tesla's models head to head isn't the only conceivable strategy for taking the electric car market from them.

It presupposes that Tesla has chosen to target the right market segments with the right type of products, and all you have to do to win is make better versions of those products.

I'm not saying that Tesla hasn't chosen correctly. Maybe their product lineup is optimal or maybe it isn't. I'm just saying that your criticism of the article is based on this assumption.
Drinking fluoridated water does not do anything to protect teeth. They don't have it in Europe and have dental health that's just fine. Just goes to show you can do ANYTHING with good PR. The Fluoridation campaign was headed up by Edward Bernays[1] who was Freud's Nephew and one of the greatest propagandists of all time. His other famous accomplishment was convincing women that they should smoke[2].

[1] https://en.wikipedia.org/wiki/Public_relations_campaigns_of_...

[2] https://en.wikipedia.org/wiki/Public_relations_campaigns_of_...
Strange that in 2019 YouTube is considered "high volume user".
How do they go and package something this big? Is this supposed to be used or is it just a headline?
That's a really big claim based on a single post that was whining into the void about someone else making a joke about a language.

It even says "(JOKING)" in the article.
But... can I play Crysis - oops sorry - can I train ResNet on this thing?
Please read the parent comment I was replying to again.

>So for the last ten years, it has been closer to 6 RMB/usd than 7 RMB/usd. This couldn’t last, and the yuan’s natural market value was closer to 7

This was an artificial devaluing of their currency. It is called devaluing because it makes Yuan cheaper to buy (more exports from china) and USD harder to buy (less imports to china). From the title article: "China bids up the price of the dollar relative to the yuan by buying dollars with yuan, and then sits on these dollars".

>This couldn’t last, and the yuan’s natural market value was closer to 7, even above 7 and maybe even 8. If China does nothing, the RMB falls in value, not rises.

Historically, without interference, Yuan increases in value relative to the dollar (<7 RMB/usd). This makes Yuan harder to buy (Less exports from china) and USD cheaper to buy (More imports to china). This what the title article is discussing. Some believe that China has switched from devaluing to propping up the Yuan recentlyt

https://www.npr.org/2019/08/05/748155575/chinas-currency-fal...

>China's yuan plunged to below 7 per U.S. dollar on Monday morning
More Russian Nuclear Monitoring Stations Went Silent Days After Blast
Would this really be more efficient in term of cost/performance? It seems the specialized nature of the chip push the price high enough that you could build equivalent systems with traditional hardware for the same or less, and it would all be known-quantities rather that working with something brand new and not as well understood.
Indeed the rise of ESPP's due to ERISA are why I consider Nixon the closest President we've had to being actually Socialist.
Yeah but you’re talking about things not even stable. Old tokio with closures is terrible imo.
> The last time we had a healthy defense industry was the mid nineties before the last supper destroyed all the small to medium size defense contractors

What was "the last supper"?
Long before that, it goes back a long way. First I'm aware of it was the approach taken by Harry Anslinger - he of the racist reefer madness and swathes of faked evidence to support his moral crusade. A crusade for outlawing hemp, not just cannabis, at the League of Nations and inserting it in international opium treaties. Then again after being appointed as US representative by Kennedy in 61, for the sustained pressure at the UN that eventually led to the global war on drugs. Took a while to achieve global compliance there - as other countries had different approaches that had worked very well.
Artificial means created by people. Choosing first-come-first-served meets that definition. A queue is an artificial object.
I share this to underline that focusing on tighter gun legislation is reactive to a fault, missing the greater picture. It is ultimately misguided, treating the symptom (terrorism) rather than the cause (frustration, mental health, financial inequality, poverty) of much homegrown violence.

I wonder what's going to happen when any average Joe can build a bomb and a drone to carry it in his/her basement? Because we all know that's coming too, it's just a matter of time. This steady march of technological progress needs to be matched by economical and societal progress otherwise we're in for a very bumpy ride.
He should have used '.sh'
> So China could wipe out America’s military presence in Asia. What then? Do we assume that somehow the rest of America’s military back home and abroad doesn’t respond?

Yes, consider the following scenario, Using some political pretence, China invade Taiwan in a blitzkrieg which is over in a few days. All US communications and GPS are wiped out before the attack begins. Total chaos. Allies are blind. Any US forces in the vicinity trying to prevent the attack are obliterated. Next days China issue the following decree, Taiwan has joined the motherland and all regrettable attacks on US forces have stopped and a ceasefire is in effect. Any attack on China and Taiwan will be meet with nuclear forces. What will US and Nato do? What did they do when Russia elbowed itself into the Syrian conflict? That's right, nothing.

The point is, any serious attack done by China will be over before US an allies can stop it or reply properly, unless there is a believable rapid response force on location.
Serverless vs. Containers [video]
Obviously this is pure nostalgia. Wikipedia + Google is superior in pretty much all imaginable ways. And available to people "in the developing world". (I don't really get why Scott included that part. The number of people who have access to a PC with a Microsoft Encarta CD-ROM and also don't have web access via their phones.. my guess is that the total number is about 17, globally.)

That said, nostalgia is fun sometimes.
This is what I created over the years, and what I found gave the company the best results (great, happy teams that worked together very well, creating great software)

Is this something that you'd do? Have you tried something like this for hiring? If so, what was your results?
Here's the meat:

> About 40% of the nearly 600 women lived in cities with fluoridated drinking water [...]. Three to 4 years after the women gave birth, researchers gave their children an age-appropriate IQ test. After controlling for variables such as parental education level, birth weight, prenatal alcohol consumption, and household income, as well as exposure to environmental toxicants such as lead, mercury, and arsenic, they found that if a mother’s urinary fluoride levels increased by 1 milligram per liter, her son’s (but not her daughter’s) IQ score dropped by about 4.5 points. That effect is on par with the other recent studies looking at childhood IQ and low-level lead exposure.

So that's an average 1.3 IQ drop in cities with fluoride. For 1 gender. In an IQ test for 4 year olds. An IQ test.

Can anyone with more knowledge of statistics chime in? This feels like it cannot be statistically significant with n=600, a subgroup analysis and a test I cannot imagine being even remotely accurate (IQ test for 4 year olds)