skysight-inc/HackerNews huggingface dataset:
Well to be fair, having parents be "warmer" to their children and engage with them more probably also has positive results, regardless of the flawed reasoning for it.

And yes, young scientific fields quickly disprove themselves, that's kinda the point of science. Hard sciences like physics and chemistry also had some very very flawed theories in their youth, like aethers, alchemy, etc. but have had a few hundred years to get past that.
They also said not to "penalize" websites based on user agent. Yet they do it and have been doing it for years.

They also said to use valid html/etc while they didn't do it for cost saving/performance reasons. Not sure this one is still true.

My guess is that this list of preaching water and drinking wine is pretty long for Google. I think their view is they know what they are breaking so it is OK in that particular case. The rest of us has to suck it up.
Really ? in the media(i think the new yorker, pretty respectable) she was portrayed with the life style of a monk.
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Plenty of topics are discussed repeatedly here. I won't stop telling people to quit C any more than I'd stop telling them to quit smoking.
I've also been writing a ray tracer in Swift. Would love to look at yours if it's Open Source. The core rendering logic for mine is here[0]. I also started building a .obj loader for Swift[1].

Will definitely be buying the book.

0: https://github.com/k0nserv/SwiftTracer-Core

1: https://github.com/k0nserv/SwiftObjLoader
Check into Voltaren gel for when you have the flair ups, it's an NSAID gel that a lot of my patients have a lot of success with for back pain. I haven't heard much research about reverse hyper machines. Agree with above poster who says PT might help as well. Strengthening and stretching exercises are great, same with water walking/swimming.
Is this leveraging the GPU? Or is it more about the theory of computing realistic images, without regard to performance?
Why is Newegg the only company I've ever heard of in any industry that does this? I know small companies can't afford it, but there are a lot of companies bigger than Newegg. Obviously it costs money in the short term, but the benefits in the long term seem clear enough.
Ask HN: Where does the money earned by succesful companies like Supercell go to?
I'm wondering, Supercell, the creator of the immensely popular games "clash of clans" and some other games, reportedly earns 2.5 to 5 million €€€'s a day!

In 2013, they earned €519 million

In 2014, they earned €1.545 billion

After expenses, like salaries (for their total of 152 employees), office space, marketing budget and perhaps some outsourcing. Say they have like a few hundred million left over after all expenses. Where does that money go to? Do they save it?

Note: all statistics come from wikipedia
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I'm 29 years old and have six wisdom teeth at the moment.

I have two protruding out of the upper jaw which haven't caused me any problems, so the (UK NHS) dentist said they don't need to come out. X-rays showed that there was actually another unemerged tooth behind each of them as well. These upper teeth have all been there for for about 7 or 8 years now and haven't caused me any discomofort beyond the initial breaking of the gum.

On the lower jaw however, both teeth are impacted. The left wisdom tooth is completely horizontal and pushing up against the molar in front and the lower right wisdom tooth is impacted at an angle and irritates the gum around it from time to time. I usually pop some ibuprofen when it gets uncomfortable.

I've wouldn't say I've experienced serious pain from these teeth, more just a dull ache or discomfort or irritation of the gum, but I was referred to a dental surgeon a year or so ago who basically told me he wouldn't take them out.

He claimed that the lower teeth were so well developed at this point that removing them might expose the nerve in my jaw underneath and leave the lower half of my face numb, potentially for the rest of my life. As a risk/benefit calculation he decided against taking them out for now, but may change his mind if they cause problems in the future, which they likely will.

This is an NHS dental surgeon though and I'm wondering if I might be best served getting an a second opinion from a private dentist as well. The last few days my lower right tooth has been really irritating the gum around it that I've been taking ibuprofen for two or three days.

If I went to the dentist when these originally started to emerge instead of waiting until they started to cause some discomfort I could have had them removed with much less risk. I was however under the assumption that wisdom teeth should only be removed when they cause problems, which for the first few years mine didn't really.
Orthogonal. Having ADHD doesn't imply a desire to be outside playing. It's a disorder of motivation, not a disorder of focus—an inability to practice, and sometimes to concentrate; but not an inability to think, or to enjoy thinking.

Personally, in my childhood, I liked math and science. I had (and still have) ADHD, which made that hard, but I struggled through, because that was my passion. Medication (which I didn't get until I was 22) makes it much less hard.

Telling me my aptitude was in running around outdoors would have been the last thing I ever wanted to hear. I liked exploring, sure (people with ADHD are almost always Bartle Explorer-types[1]), but building up physical endurance was just one of the many things I couldn't motivate myself to do, and would have heavily resisted someone attempting to push that on me.

[1] https://en.wikipedia.org/wiki/Bartle_Test
Sure, but in terms of mindshare it's thoroughly eclipsed by single sign on.
Hype is hype, whether it turns out to be justified or not. Not all people can beat even a trivial Go program.

You may be missing my larger point. It is not about whether humans can beat the best chess or Go computers. It is about a very strong bias in favor of algorithms in general. The dynamics around human vs computer chess matches simply demonstrated this bias in an easily percievable form. Who cared about Kasparov's later victories and draws against other state of the art programs? They received very little coverage.

Chess is just a game. The important thing to consider is what will happen when algorithms start to competre with people in more complex and ambiguous areas.
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Yes, showing you an advertisement for an app you've already installed is bad UI/UX, regardless of the reason why. On the publisher side, it's also a wasted ad impression.

I don't expect them to know all the apps installed on my phone, nor do I think they need that much information to solve this particular problem.
Rackspace comes to mind.
It does look pretty low if you assume that you only need 1.25x the salary in SF vs London to maintain the same standard of living [1],[2].

I worked in EU (Belgium) for 7 years before moving to the Bay Area. In my personal experience (so it cannot be generalized!), I definitely felt that CS folks are highly undervalued in EU. The starting salary for a CS grad (or equivalent by experience) was no more than 1.5x that of say a bartender who never went for higher education. Over time the more "competitive" people did complain about being paid way too less. And companies offered no significant distinction / appreciation for being a great engineer vs an average. On the whole though, most people seemed pretty content. I guess coz you are getting a pretty good deal unless you are a good software engineer :)

[1]
http://www.numbeo.com/cost-of-living/compare_cities.jsp?coun...
[2] https://angel.co/salaries
I would have thought that the optimiser would see that p and q are aliased after the `p == q` condition and so not use the written values after that.

But yeah aliasing that the compiler can't see (if it's not doing a stamp based on the equality condition) I can understand why that's undefined as what else would you want the compiler to do? Treat all memory as volatile? That would destroy performance.
Sure but you make an arbitrary choice here, you choose to use Cartesian coordinates. Lagrangian and Hamiltonian mechanics make it more clear that this is more or less an arbitrary choice and that there are other sets of generalized coordinates to describe the problem, something that is in some sense less obvious in Newtonian mechanics because things usually become pretty hard to deal with.

Yes, every choice of coordinates is capable of describing the physics of a system. Yes, you could certainly argue that Cartesian coordinates are a natural choice or in some sense special, derivatives are especially simple and whatnot. But I still think that something is lost when one disregards rotations and angular momentum, they seem to capture an important aspect of the structure of space, its isotropy.

Then again every equivalent description should capture the same things, just maybe not in an obvious way. And then again the existence of spin angular momentum hints at the fact that there is really more to it. As I said, I am really not sure. I used to think of rotations as emergent from translations and I kind of changed my mind but I am probably still on the edge.
Interesting. I've always heard that quote ascribed to Niels Bohr.

Perhaps he was just the first Dane to use it. I guess in older times, you could get credit for a quote if you were the first in a country to use it. From http://quoteinvestigator.com/2012/04/28/shorter-letter/ it looks like Benjamin Franklin was among the first Americans. But then again, what can we really trust?

Maybe we should just attribute all quotes to Mark Twain and be done with it.
On Google Apps there are features that have been deployed years ago for regular accounts and that are still not available for Google Apps customers.

The one feature missing and that was painful for me were Contacts photos with a resolution higher than 96x96 pixels. On a latest generation Android with good resolution it sucks and I would have preferred if Contacts photos weren't synchronized at all. I ended up switching to a CardDAV provider and in the end I gave up on Google Apps for other reasons as well. And for the record, Google accounts had this resolution increased in 2012 ;-)
Yes I agree with you, I don't want any random website to be able to query my phone to find out what apps I have installed either.

However, if I'm on a specific app publisher's website, I wouldn't mind letting them know (through some mechanism) that I've already installed their specific app.
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...or telling them to stop posting on HN.
Not if you want to allow attendees to edit your event.

This is missing from the android app. So you have to browse to the calendar on the web and ... this.
Yes, and yes.

A recent news report mentioned that a "cell tower" moved along with participants in a demonstration (in London IIRC), and also that it switched networks, so obviously someone noticed that.

Time division logic involves keeping track of how far each phone is from the tower. I think GSM uses 50m or 100m bands, ie. phones that are 200m from the tower time their broadcast bursts so as not to conflict with phones that are 100m from the tower. I don't know whether the distance information is available to the phones, or is kept internally in the tower, though. (I'm not an expert on this, I just heard that this need paid for a fair amount of NTP research/development, many years ago.)
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Great share, this is quite impressive. The system doesn't require much training input to go from blank slate to conversation-capable (1587 input sentences -> 521 output sentences; see Appendix S1 for examples). This high learning efficiency might imply that it resembles language-processing architecture in humans. At the low level it's neurons, but organised and connected in a specific, planned way.

A key point is that the central executive (the core, which controls the flow of data between slave systems) is a trainable neural network itself, which learns to generate the "mental actions" that control the flow of data between slave systems (like short-term and long-term memory), rather than rely on fixed rules to control the flow. This allows the system to generalise.

(Some of the training itself doesn't seem to be that similar to training a human child, though. It's instead tailored to the system's architecture.)

I'm excited to see how much richer this and similar systems will become, as researchers improve the neural architecture and processing efficiency. Will we see truly human-like language and reasoning systems sooner than expected?
> If the move's objectively good, there would be no variation in moves between players.

This is the essence of chess openings. A choreographed set of moves that is "good for both parts"

And of course there's a fundamental imbalance between white and black, so you can't have both sides making the same move

But from a point on, there's no fundamental answer on what a good move is, barring analyzing the tree to a great depth.
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Actually, it's not. The idea of a natural monopoly is something that was made up to justify state takeovers of certain key services. If a natural monopoly actually existed, we wouldn't have Google Fiber expanding across the country, because it wouldn't be cost effective to do so. In fact, Google Fiber's biggest impediment to expansion has been government regulators. The same goes with water provision - if it was a natural monopoly, we wouldn't have alternatives such as bottled water available on the market (which thank goodness we do to provide to the citizens of Flint right now). Using Russia as an example of free market failures is like using Communist China as an example of what the free market will do to wages if we don't implement a minimum wage here in the States.
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I have to say that from the document I get the feeling that clang makes the best compromise; their implementation seems much more clear and linear to me, and it looses just on character in short mode.

Benchmarking these kind of things is always difficult, because you can rig (voluntarily or not) microbenchmarks to go either way, and the performance gains are easily lost in real world usage.
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More examples in this paper with the title "Undefined Behavior: What Happened to My Code?": https://homes.cs.washington.edu/~akcheung/papers/apsys12.htm...
Input type=“color”: Firefox vs. Chrome
Do you prefer the behaviour of the color picker [https://developer.mozilla.org/en-US/docs/Web/HTML/Element/input/color] of Firefox or Chrome?

Firefox (v43 on macosx):
- the user click the input
- open the color picker
- choose the color
- close the picker
- firefox set the color in the input value and trigger a change event

Chrome (v48 on mac):
- the user click the input
- open the color picker
- choose the color
- chrome set the color in the input value and trigger a change event
- close the picker

the main difference is in the 2 last steps, chrome is triggering a lot of events when I drag and drop the cursor on the picker, Firefox set the value just after closing the picker.

I have tested this on my personal website for a theme color picker, and in that case I prefer the Chrome implementation for the visual feedback (I can show instantly the results), but I have got problems with logging (just want to log when the user close the picker).

What do you think about it?
Do you have tested other scenarios?
But why type it yourself? Someone's probably argued it better than you ever can, and you can just link to that. It's not like you'll come up with any novel arguments at this point, or even novel presentations of existing arguments. It's all been said, and said well.
How about a "star+planet(s) system". Unambiguous, but can't easily pronounce.
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No details (embargoes etc), but the short version is that videos ads work.
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It should be possible. E.g. I've seen people train a neural network or similar to classify images and then "run it backwards" to get e.g. the image that the network thinks is most "panda".
Wikipedia is more balanced and I believe more realistically shows what's really known about the subject, namely, less than what the author assumes:

https://en.wikipedia.org/wiki/Greek_Dark_Ages

Also, we know about "Sea Peoples" really little and only from Egyptian sources:

https://en.wikipedia.org/wiki/Sea_Peoples

The "The Bronze Age Apocalypse" seems also a clickbait, as it seems it's only Greek lands that declined at that time.
Part of the problem is lack of English rule.

https://en.wikipedia.org/wiki/English_rule_(attorney%27s_fee...
My default answer would be "disallow usage of p after the realloc." Which is why I like Rust, I guess.
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The level of a player is generally the level of its worst moves. Even a beginner makes some super-GM moves sometimes (by mistakes).
The second guide explains some cases for undefined behavior, but it mixes up some things (or explains them poorly)...

For example, I understand why signed integer overflow and violating type rules are UB; the first allows the compiler to optimize many inequalities, while the second enables various optimizations that rely on alias analysis.

But I can't understand why e.g. use of an uninitialized variable or oversized shift amounts are UB. Unless these also enable some powerful optimizations (the article doesn't mention any, and I can't think of any either), it would be much better to leave them implementation defined, not undefined. In that case, reading an uninitialized variable could result in any value, but it would still make the whole program valid.

Edit: should have said "platform-defined" instead of "implementation-defined".
Barring apocalyptic natural disaster, the similarities with modern times are seriously overblown. Hordes of Somali pirates are going to topple civilizarion? Really? Even Mexico is a haven of good governance and the rule of law compared to pretty much any nation in the world prior to the industrial revolution. The modern world is fantastically stable compared to any previous era in history. Our modern distributed, globalised just-in-time economy simply wouldn't be possible if it wasn't. Yes the high level of optimisation in the modern economy is a potential source of vulnerability, but I believe we have massive economic and technological resources available to overcome such risks. The waves of migrants from the Middle East and Africa aren't coming to Europe to raze our cities, they're coming looking for jobs.
I sometimes feel like I'm going crazy when I remember that time, and how no-one really mentions it now despite oligarchs being in the news all the time.

It was almost certainly done by true-believers, but looked at from a certain angle, it's highly effective financial sabotage, as the oligarchs work to export as much of their wealth as possible out of Russia and into safer countries. All those billions that could have stayed in the average person's pocket and invested into the economy.
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Problem is that most of the C/C++ programmers do not known about most UB cases. Using C/C++ only if is really needed helps a lot.
IANAB (not a biologist), so I wonder if the same approach can be used to study other mental disorders, such as anxiety and depression.
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Awesome explanation. Thank you for sharing
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His oath wasn't to the US government. He hasn't broken anything.
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I'm glad you enjoy symfony1 and the enhanced fork. But the true force of a framework is its community and the symfony1 community is declining.

Did you really tried Symfony2 or its lightweight alternatives like Laravel and Silex ?
In fact, no. A big group of average experts appears to be better than a single super expert. This is the principal justification for the success of AI in oil prospective (https://books.google.fr/books?id=6DNgIzFNSZsC&pg=SA30-PA5&lp...)
Not only Greece, but also pretty much all of Levant and Mesopotamia was destroyed.

https://en.wikipedia.org/wiki/Late_Bronze_Age_collapse
I feel a bit of dissonance on hn on the issue of https. On issues of surveillance and spying the responses are often measured and there is generally a balanced debate, and yet on ssl suddenly its a matter of extreme urgency with strident positions backed up by references to mitm, spying and isp injected ads.

This is not as urgent a matter as some here tend to make it, better to resolve it properly than rush into half baked solutions like Google shaming websites. Why should a private company have the ability to shame websites and drive decisions a certain direction without any consultative process and accountability. Surely these are decisions for industry groups and wide consensus, and not individual corporates driven by self interest.

Corporates routinely mitm ssl traffic and no one is shaming them or the equipment makers for that, so ssl and mitm is hardly going to be problem for state actors. For protection against less influential actors, banks and those who process sensitive data have been on https for a long time now so where is this urgency and the need to take action coming from?

Everyone agrees security is good but the mechanism to enable this cannot be given up to browser makers and CAs. This is a complete loss of end user control and a significant step back from the open net that cannot just be brushed aside.

Not everyone needs https and for ads injections the pressure should be on ISPs to stop the illegal behavior. Why can't we shame ISPs instead of forcing all websites to https?

Other solutions like signing content that empowers individuals rather than corporates and vested interests should be explored. The same browser makers went ahead and arbitrarily started flashing grave warnings on self signed certs without any consultative process or accountability.
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But I believe the compiler has no knowledge of the semantics of these functions to do that.
nginx + TLS, and TLS is many-certs-same-IP friendly from the start.

SSL is insecure already anyway.
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Ask HN: What's your favorite physics demonstration?
I asked this 12 hours ago, but I thought I'd ask once more, 1/2 a day later, to try to catch a different audience ...

So let me ask - what's your favorite physics demonstration?

Specifically ballistics, but feel free to mention others.

Personally I like the hunter and the monkey, showing deviation from a straight line exactly matches distance fallen in a given time under gravity. I also like the cannon firing vertically on a (uniformly) moving wagon and returning to land in the cannon.

But what's yours?
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I read once a blog post [1] that I am constantly reminded of. The author had a problem that he frequently gets ear infection, because he rides his car with windows open (unscrewed to be honest). After seeking professional help and failed antibiotics treatment he went with one idea. He was warming his ear with halogen lamp by setting the light so it would go inside his ear. It worked.

I never had such infection so couldn't check validity of this myself.

[1] In Polish: http://frycz.pl.salon24.pl/335341,zapalenie-ucha-wewnetrzneg...
Google Translate: https://translate.google.com/translate?sl=pl&tl=en&js=y&prev...