skysight-inc/HackerNews huggingface dataset:
This whole sports doping analogy with adderall is stupid.

Yeah you performed better. That's life. Quit the moralistic bullshit and appreciate the better work people did.
It's not on some JVM implementations, to be able to remove the Iterator creation, the VM requires the call to y.iterator() to be either monomorphic or bimorphic.

Hence the advice "Keep Things Monomorphic or Bimorphic" !
There's a lot of work in CompSci on this that predates all the blockchain-related stuff. They usually call it "security-typed languages" or "information flow security." Here's a paper with a lot of prior work in that plus an example tool and language:

https://www.cs.cornell.edu/andru/papers/jsac/sm-jsac03.pdf

https://www.cs.cornell.edu/Projects/fabric/

The concept was taken to the binary with Necula's Proof-Carrying Code. Work like Kumar's and Davis' eliminated most of the TCB of the provers, too.

https://www.utdallas.edu/~hamlen/Papers/necula97proofcarryin...

http://www.cse.chalmers.se/~myreen/runtimes.html

In parallel, there's always work in capability-based security applied to programs or OS's. Here's an old and new one using that model.

http://erights.org

https://www.ponylang.org
Taiwan, and ergo Singapore, have an ideal health care system.
I have 1 paper journal which I keep behind my bed with a reading light. This is for me to be able to write down the thoughts that come to me as I go to sleep.

I have one digital journal that I use to record my accomplishments and feedback at work. This is just a Dropbox Paper doc.

I have one digital scratchpad that I use while I work to write down
Question-Approach-Answer as I’m working through things. This helps keep me focused and helps me break down problems.
No idea. He didn't mention anything during the talk (I haven't seen the QA at the end).

He said he reported them a few months back and checked if they were fixed a few days before congress. 3 were fixed, the other ~20 weren't.
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It's different in that newspapers create the content that they publish themselves.

So far, we've collectively been able to dance around the fact that different countries have different laws/attitudes/etc. over what sort of things are acceptable to publish. (And those countries that are far out of the mainstream are mostly small enough that they're not that important commercially.)

But there are differences between the US and various European countries that probably can't be swept under the rug forever.
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It's very bad for your teeth.
The rotor would have to be enormous and fast, and the helicopter incredibly light with very little payload. One or both of those constraints are probably beyond our materials knowledge, particularly a controllable rotor that would work.

Passenger jets are fine up there because they haul ass, often north of Mach 0.7-0.8, and push as much of the thin air as possible over the wing. (One of the cool things about commercial air travel is that most people don’t realize they’re flying at transonic speeds, but you’ll occasionally see evidence of it in flight.) It doesn’t take much slowing down for a passenger jet to start descending, and ultimately stall, at cruising altitude. The flight envelope at Everest altitude is much smaller than you’d expect.

For a helicopter, you’d need to replicate that set of circumstances, but with wings rotating above you instead. One has to worry about other conditions, too: in the '70s, when Boulet set the helicopter altitude record above 40,000, the engine flamed out on account of how cold it was and wouldn’t restart. High altitude helicopters are a very difficult design problem, and there isn’t much economic demand to solve it.
It doesn't, because you've already failed at branding yourself.

You need to emphasize how the code you write brings in a fuck ton of money like the sales guys you do.
It's a mistake to think you're learning statistics when you're learning about measure theory, just like it's a mistake to think you're learning physics when you're learning about differential equations. The mathematical tools used in a subject are not the same as the subject itself.
Anecdata: a dentist mentioned flouridated bottled water as an option since the parents didn't realize their kids were missing out with "regular" bottled water.

To me it's interesting to consider the long-term impact of all products that are consumed/applied frequently (both manufactured and natural ones, though somehow natural usually seems less worrisome). I believe it is best to introduce fairly dramatic variety just to give the body a chance to dodge any long term accumulating effects/deficiencies... but this hasn't translated into a soap-switching schedule yet! (a very low personal priority thanks to mass-market manufacturing similarities).

Water supply selection seems to be one of the most critical choices in this department; I appreciate this chance to learn from what other HN users have researched and implemented as best.
> I think this might be more of a difference between the legality of guns in the US and UK.

I don't think so; UK gun restrictions are relatively recent (~20 years). I would attribute it to the Peelian Principles¹, which post-date US disconnection from Britain.

¹ https://en.wikipedia.org/wiki/Peelian_principles
> I mean is "too much morning sun" a bad review?

Yes, inadequate light isolation in a place rented for sleeping is a significant negative feature.
Perrier filters its water.
In a game i work on, there is a faction of fanatic "green" monks, traversing the desert.
They plant glass trees, intricate structures, which use Silica-Gel to collect moisture during over the day and night, collected heat to turn the collected water into steam again, that is condensed near the root of the structure into a glass cavern. There it waits for a capillar effect system which pumps the liquids up at night.

Those glass trees would slowly terraform lifeless desserts back into green pastures, while withstanding sandstorms and goats.
"This is sexist."

I'm loathe to even respond to this type of non-argument but I'll bite. You're calling my argument sexist because it points to behavioral differences between genders? Or is it because it points to differences that may not be 100% social construct?
Take the interview process out of the HR department
Capability based security and microkernel, both pretty substantial differences.
Why would you want to get a small cluster up and running as a small deployment? I’d rather use google or amazon hosted container services.

Agree docket-compose is useful, but that’s an open source standalone program, not something you pay docker for.
JS things I never knew existed
That's a plan, thanks
> It should be free of incentives that promote individualized results

I love to complain about sales people, but good luck getting the really good ones to work at a company like this without the usual compensation structure.
Is the intent to compete for listings against NYSE, LSE, SEHK, NASDAQ, etc.?
This is one huge advertisement
I just love the feel of this shader, it's not as complicated as some of the other nutty shaders you can find on ShaderToy, but it does a lot with a little and has such a nice chill vibe, especially with the music.

When I first saw it, I thought the raindrops must be pretty expensive, but the video shows how cheap they are to compute. There's a nice tiling trick so that the shader only evaluates one drop per pixel, but the tiling grid is moving so it's harder to see where the bounds are.

He's also using the Desmos math webapp to design some of the functions, which is a great reminder for me, I keep forgetting about it, and I need a good function plotter handy when I'm working on shaders.
Wouldn't it then suffice to brush your teeth? Am I missing something?
Yes, I am — and that growth of the Eastern middle class is itself a (probably involuntary) product (or side-effect) of monetary policy of the net importers (the West): in a protectionist context, globalism wouldn’t have taken hold, and ”Factory China” wouldn’t have arisen if protectionist paradigms had been dominant.
I was assuming that the risk mentioned was volatility. What other risks are you thinking of?
Control is all of it.

Security on Android is a joke for 80%+ of users. They can't run on the latest version of Android, because various vendors' drivers are in out-of-tree kernel patches that are un-upstreamable for non-technical reasons.

(By comparison, Chrome OS is also Linux-based, but, IIRC, it requires all shipping devices to have drivers upstreamed.)

Owning an OS with a stable device driver ABI would allow Google to fix the Android fragmentation problem, and make sure all devices stay up-to-date ala Chrome OS.
Well, your 'restriction' motivation is a bit conspiracy theory / disingenuous, but yes for many reasons communism at the level of nations doesn't work. Do we really need to re-hash that the leninists' revolution model was flawed over and over again? There is no disagreement here.

Instead, following your startup idea, we should foster worker co-ops, which already exist today and are compatible within existing nations. One example is the https://en.m.wikipedia.org/wiki/Mondragon_Corporation
Yes absolutely. Not a manager but I noticed this. I think there is also a state of mania involved. While not on these drugs you have a better sense of what is worth effort rather than this euphoric feeling of doing anything for the sake of it.

Adderall and the like are not magic pills that make the most important work/tasks get done first and effectively.
I think that the most successful cryptos will be successful with no or little value.

The use cases don’t really care what the value is to successfully complete, they just need stability.

So XRP can be with a cent and be extremely useful for its purpose. It is actually less useful if the price appreciates quickly as transferring unpredictable amounts for settlement is difficult.
Yes. I can no longer edit my original message. Thanks for your correction.
I can't speak for climbers from other countries, but I feel that the American attitude towards achievements like "climbing mountain X" is that they want exactly that, a checkmark on a list. They want to get in and get out as fast as possible. The destination is the goal, and everything in between is just noise that should be overcome as swiftly as possible.

This is, at least, my anedoctal experience. I go hiking recreational level hills with (American) friends frequently and it always annoys me how they just want to get to the top as soon as possible and then come back down just as quickly. I instead frequently stop on my way to look around and admire the view (and not just at officially sanctioned "lookout points") and this is something they never have any inclination on doing.
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Figuring out how to put those things together to make a cohesive library or program is the hardest thing I've had to do on my own. I haven't really found anything that teaches that. There's lots of begginer stuff about syntax and programming concepts. There's some fairly technical abstract stuff out there about algorithms and data structures but not a lot about how to put everything together into a useful program.

The only way I've learned that was to just start making things. Whenever I ran into a problem i'd look up whatever I was having trouble with. It failed a lot. I've had to go back an restart things more than once or endes up giving up on things that were dead ends. Then after a couple years of that I stopped having to quit because i'd completely messed up the idea of what I was doing.

I honestly have no idea if the things I've learned are correct or not but programs I write seem to do what they're supposed to now.

I think the reason why there's not much about how to put programs together is that it's pretty much up to you. There's a million ways to do one thing and most programs have a million things that need to do one thing. You need a good idea of what you would like these things to be. Then you pick one and do it, then another one and another one making sure the first things you made still work with the new ones. If you don't know how to do one of the things either look up and see how other people did it or move on for a bit and come back to it.

A framework, library or program is just input data, either from you or a user, processing of data and output. It's up to you to figure out how to structure these things for the needs of your program.

There is no right way, just whatever way you find that works. You can look at a program like building a machine. The programming language you learned gives you the nuts, bolts and basic materials you need, the algorithms, callbacks and hooks are the different prefabbed parts and you're the mechanic that bolts it all together with a wrench and a whole lotta grease.
Lots of "should"s, but we're talking about advice on using git, not "any decent source control system". This is a problem I see with people not understanding git. They treat it like they think it should be treated. Like it or not, that's not going to work for git.

You don't give python advice to a C++ developer, regardless of how much you'd like C++ to be like python.
In addition, you really really do not want to write K&R C from 1988 although it is a fine book. You want to write modern C.

21st Century C: C Tips from the New School
Modern C [1]

[1] http://icube-icps.unistra.fr/img_auth.php/d/db/ModernC.pdf

Modern C is a dense read. I kind've just pick at it.
> This is something we have only improved with treatment. Have there been missteps with lead pipes? Sure. But they aren't actually a problem unless the water their carrying has a pH that will solubilize the metal.

I 100% concur on your statement about the advancements we've made, but unfortunately things are not so black and white outside the urban US and some Western European countries. For example, I live in an Eastern European capital, in an apartment building built in the early 1980s (so it's not that old) but, nevertheless, I cannot drink tap water because the pipes are just too rusty. One can notice that every couple of weeks or so, when the water is temporarily stopped, and when it comes back on the first burst is red-ish, and it keeps being red-ish for at least 10 or 15 seconds after that, after which it turns back to being clear. There's no way I'm drinking water that flows through those rusty pipes.
I wish Google was more outspoken about their plans for Fuchsia. So far, all we have is a lot of speculation.
> it's just not trying to be a intro course.

> It's not expected that this is the first time someone in the course has come across most of the concepts and methods.

It is just cramming at least 4-5 stats classes in there that's all.

Unless you get those right combination it'll be your first time anyway. There are multivariate stat, 2 courses of Bayesian ( 1 tradition and 1 nonparametric), 1 course of comp stat, and whatever the heck else I've haven't encounter.

Bayesian isn't even taught in my grad program at all. I had 2 months to learn Bayesian.

I disagree with the not expected to be first time and maaaaybe it's just to get your feet wet.

Considering the stuff the professor is going over it seem more sink or swim.
Well I disagree.

There are many ways to disprove such video, and if the technology exists, we already know that it exists, so it will make any video, real or not, much less relevant.

The tale of new technology bringing war and mayhem might make sense, but in reality it doesn't. You just wish it would happen, because you might want to have some fiction that says "what if?", but it's just a wish. It's also why I dislike black mirror as a tv show. Distopian science fiction is boring most of the time.
ergo is definitely not the word you want there.
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Reminds me of seeing Tom Peters at Planet Tivoli one year, raving about big, dumb companies to 10,000 loyal big bluers. It's not hard to argue about golden eggs dying at these big companies. I won two Master Innovation Catalyst awards in IBM's Thinkplace program, and I firmly believe now that if you want innovation, you have to think small.
I suspect on some level, Scott Adams likes the idea that all humans are “dirty, rotten liars” because it eases his fear that he might be more of a liar than some of his adversaries.
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That is not a productive debate to be had. Conspiracies aside, there are clearly questions to be asked: many studies show negative effects of fluoridation such as an increased rate of fluorosis in children, over-exposure, including evidence of neurotoxicity. Even more worrying, the sources of fluoride used have been shown to be frequently contaminated by much, much worse substances due to their origin as a manufacturing by-product.

Most importantly, countries that do not fluoridate water (~95% of the world) have experienced the same reduction in tooth decay as the ones who do.
Inside the Museum of Failure [video]
Sense looks really attractive to me, except the part where they get all the data. If they had a self hosted solution that I could run on a Raspberry Pi or even a “real”computer to do the data collection and processing, I’d be in.
While 200 USD is certainly cheap by comparison to the US costs, it's still not affordable for a lot of people in this country.
Serverless Computing in 2018
Unless something changed since 2015, you need karma ≥ 30 to vouch or flag things, and > 500 to downvote:

https://news.ycombinator.com/item?id=10298512

(Not quite "docs", but hopefully better than nothing!)
NVidia's Optix has very fast ray-object intersection via GPU. I don't think there are python bindings though, it's C++ and CUDA.

ShaderToy doesn't come with object descriptions, nor with any specific intersection routines. This is just arbitrary glsl (GPU) code that people are doing cool tricks with. You can do regular ray tracing in ShaderToy, for example here's one of mine ray tracing (not ray marching) spheres: https://www.shadertoy.com/view/XllBRf

You don't get a BVH with ShaderToy, unless you manually write something clever yourself. You need a BVH to make blazingly fast ray object intersections, in general.

That said, it's worth understanding the ray marching algorithm that many folks on ShaderToy are using, because it's very very fast, if you can accept the limitations it comes with, and it does give you the hit location in space.
I agree with you. If anything I believe the amount of people these drugs assist is actually a tiny fraction.
>But it's quite out of scope to complain that because API endpoints are often sloppily deployed without versioning or introspectability, that all formal methods are wrong.

It's not so much that they're "all wrong", but when the majority of bugs you face are not logical or algorithmic in nature but driven by incorrect specifications or problems dealing with the outside world (including but not limited to sloppy APIs), then formal methods will impose a stupidly high cost for almost no benefit.

To take the famous Mars Climate Orbiter bug as an example - had the software been formally proven then it still would have gone down in a ball of fire because the software was built upon a faulty presumption. An integration test that exercised both the data and the code in a realistic environment would have saved it though, as would better spec communication between the two teams (e.g. some form of BDD). The chief investigator, Arthur Stephenson, even explicitly called out the lack of sufficient end to end testing.

I'm sure formal methods are great for proving that, e.g. a particular sorting algorithm always works, but frankly, sorting algos are the type of thing I import and just assume works and I've yet to see a bug in the wild that invalidates that assumption, whereas a faulty interaction between two poorly specified modules is a problem I see in teams on a near daily basis.
What a misplaced comment. Perhaps you would like to add the many ways the video could be disproven. Instead, you chose to ramble on about personal preference in sci-fi entertainment.
How confident should I be in the veracity of paleontological discoveries coming out of China?
My boyfriend bought his last pair of glasses from go-optic.com, and the experience has been a good one. First time online buy as well.

Some caveats:

* We picked the frames from a physical store first and didn't buy there. Sort of dodgy of us, but their prices were insane.

* We tried to do the pupil measurement on our own, but every time we tried, we got a different number. So he went to a optical shop to have the measurement done. The shop did it for free and we were taking advantage of the brick and mortar presence.

So yes, appears to be completely doable but I don't think we would have been happy with the final product had we not had access to a local shop.
As a statistician I will try to defend my field.

Statistic is a field to represent the noise and uncertainty by quantifying it.

It is unclear to you or lacking in brutal honesty but the honest truth is the world is not perfect. If Kobe can shoot 100% of the free throw then you can perfectly model it without statistic but sometime he misses and because of that we need statistic to take into account the fact that while we expect him to make freethrows sometime he miss his shot. Without statistic you cannot take into account the sometime Kobe miss shot.

It is also the field that define in definite what significant means. Statistically significant is the difference between this med really works versus it's a placebo/not sig enough.

Another concrete example of not perfect is data. Either collection of data (missing data, measurement, etc..) is not perfect and statistic helps. You can do ordinary least square without caring about statistic but finding outliers in the data, fixing the missing data, etc.. require statistic iirc.
I checked this claim on Google Scholar. To my surprise, there actually appears to be some credible research linking fluoride in water to lower IQ in children. However, studies are typically in China where fluoride levels can be much higher than what is recommended in (e.g. in the US). We are also talking about roughly 0.5-1 IQ points as an average effect size, so not huge. Lastly, note that these are descriptive associations, and possible confounders include the presence of arsenic in drinking water (guess Chinese public health still has some way to go...).

Here's what seems like a reasonable meta analysis:
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3491930/

There is a (rather old) NRC report here, which seems like a reputable source:

https://books.google.co.uk/books?hl=en&lr=&id=NAB43R0rTV4C

For a more recent sceptical take, see:
http://ajph.aphapublications.org/doi/abs/10.2105/AJPH.2013.3...
with an ungated link at:
http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.699...

Anyone in the field want to comment on the credibility of this research?
The newest DJ at this Prague nightclub is a KUKA arm robot
When we were living in Beijing, we couldn’t trust the tap water even with a multi stage filter (bad pipes), so we’d get bottles water for drinking and cooking needs. Now that I’m back in the states, I’m so happy to be drinking tap again, double great since Seattle water is especially nice.
The strange case of RSS
WHO seem to think it matters.

http://www.who.int/water_sanitation_health/dwq/nutrientschap...
"Operating in"? They are just online websites accessible by anyone with internet. If they have paying customers in Europe then it'd make sense to pay taxes on just that revenue. But saying that a company has to pay taxes just because it gets traffic is a little extreme.
Sure, the same rust spurt happens when I shut off the water in my house to fix a valve since air can suddenly access what normally has only water contact. It may be unpalatable, but if it is brief it should be safe and fixable with filtration. Reverse osmosis would definitely solve the taste problem, but then you need to worry about adding minerals back in (good multi-stage systems will do this).