skysight-inc/HackerNews huggingface dataset:
Summary: That's not "smart". That's "experienced", which is an integral of "determined" over time.

Reasoning: Is it intrinsic that Einstein needs 25 tries, or is it because he also knows "fetch", "lay", "roll over", and "play dead"? It's a very important distinction, and most usage of "smart" implies the former - intrinsic ability. That's the difference between "smart" and "experienced".

Among my peers, however, I don't see any intrinsic differences in learning whatsoever. If person A needs less iteration than person B to learn the classwork, she's either more determined or has more related experience (or both). The two go hand-in-hand, because experience is just the integral of determination over time. Intrinsic "smartness" is completely unnecessary in describing learning ability.
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I've come across this line of reasoning before (in reference to the study with math problems/telling kids they're smart versus hard working) but I'm not sure if I believe this is particular to being designated as smart. In fact, I would imagine that telling students that they're not in the 'smart' range, or having peers designated as smart while they are not, is more damaging to academic motivation/leads to more fears and emotional distress. I think both are just manifestations of an underlying fear of being judged, regardless of the expectations - fears of not living up to high expectations, or confirming low ones, or in general moving from a comfortable position of uncertainty in one's skill/intelligence (leaving open the possibility of it being unexpectedly high) to a better defined and therefore less appealing position.

(you might argue that labeling a child as 'not smart' or at least not singling out a child as 'smart' might motivate them to prove the evaluation wrong - but I think those cases are by far the exception rather than the rule)

Now, the label of 'hard working' is on a very different scale from intelligence; I can understand how calling kids 'smart' rather than 'hard working' could decrease their performance. Nevertheless, over the course of our academic lives I think we all get a sense of how we fit in, intelligence-wise, even if we aren't explicitly labeled, from grades, peer performance, parent/teacher expectations and evaluations... the smart ones fear being 'found out' as dumb or tarnishing their reputations, the 'dumb' ones fear (even more, I would imagine) the criticism or negative evaluation of their work they expect to be forthcoming, the average ones fear being confirmed as merely average...
How good are USB video cards?
I was suddenly surrounded by people that were orders of magnitude better at computer science than I was. I had to study for hours to understand something they seemed to understand implicitly.

I think seemed is the key word here. Many people that are good at what they do give the impression that it's a breeze for them. When examining it closer, it isn't: they spend plenty of time studying. I've never really gotten to the bottom of it, but the difference seems to be that they simply talk less about the studying and more about the material itself, which gives the impression they know their stuff very well, even though they studied hard as well.
Yes, but what a beautiful little hack it is. The fact that modern processors implement it in hardware is actually a tribute to this tricks ingenuity and elegance.

After all, to have major chip manufacturers implement your software hack in hardware is quite a compliment, assuming they use the same mechanism.
This particular hack, yes, but the general point stands. Sometimes hacks make for great code. The point is that this is good code:

float h = 0.5f*x;
int i = *(int*)&x;
i = 0x5f3759df - (i>>1);
x = *(float*)&i;
return x*(1.5f - h*x*x);

That's 3 local variables, 5 short statements... makes me wonder how quickly one could search/test all combinations of sensible 5-statement functions to find other such "hacks"...
How did he get his follower count so high?

http://twittercounter.com/dougw/all/followers

It looks like the rapid growth started around 9/25
I always figured that intelligence was the derivative of knowledge.

I wouldn't be surprised if both determination and related experience correlate highly with intelligence, but I would be surprised if they explain it completely. Have you ever taught one of the lower grades (elementary school, K-5)? There're some students that just "get it", and others that struggle no matter how many different ways you approach the material. Some of that's undoubtedly family background - how much value the family places on education, whether they've been exposed to intellectual concepts early, etc. But I really doubt all of it is, particularly given differences even between siblings. And I doubt that determination factors into it much at that age, given the average willpower of a 6-year-old...

I've also noticed very few intrinsic differences in learning among my peers. But remember that a peer, by definition, is an equal. I can't really place my peers as being smarter or dumber, but that's because they've all made it through elite colleges already and been through the Google hiring process. If I broaden my sample out to "everyone I've known during my lifetime", there're some really stark differences in learning, and some of the people who struggled the most were just as determined or moreso than I was, and they continued to struggle despite approaching the material through several different angles.
I would think that the USB would be a major speed bottleneck and as such it would render the monitor connected to it practically useless, for even watching movies.

EDIT: This is just my totally uninformed guess.
I am manually aggregating computer science course videos at http://www.adaptivelearningonline.net

I am also planning to add tools to make learning fun and collaborative...
You can find more on that study at http://nymag.com/news/features/27840/.

But I have a fundamental disagreement with the simplistic message of complimenting effort rather than brains. And that disagreement is that you're training kids to work hard, but not necessarily well. In my childhood the messages we got pushed us to always look for the trick. As an adult I really value the mental habit of always looking for the shortcut that makes things easy.

Another interesting variant I find myself using with my son is to compliment him for showing smarts, but follow it up with a theory that brains need practice to continue working. Thus "smart" becomes a compliment for what he does, and not what he is. For instance I'll say something like, "How did you get so smart? You must have been really using that brain! Just look at what you've learned!"
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Andy Grove has a wonderful notion of something he calls "earned luck". One needs luck to succeed, but you can't sit around waiting for it. I came across it in his biography by Richard Tedlow... a highly recommended read.
Um, I think you missed the point. After encountering a challenge the group that was initially praised for brains saw their performance drop on problems that should have been within their skill level. The group that was initially praised for effort saw their performance improve after that same challenge.

The moral is simple. When you praise children, you motivate them to seek more praise. If your praise is about something that is out of their control, such as innate intelligence, you discourage them from trying to take control of their circumstances. But if it is within their control, such as effort, they apply energy in a useful direction.

If you're a parent, which would you prefer to do?
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http://www.drillspot.com/products/583972/rust-oleum_241140_q...

Ummmm...

Do a quick search of dry erase paint. Rust-Oleum makes one for about $20 for 50 SQFT.
check this too. found on HN earlier. http://www.magicwhiteboard.co.uk/
GitHub's similar functionality is open source:

https://github.com/pjhyett/github-services/blob/master/servi...
Hmm. Fair point. Maybe I'll reconsider sooner rather than later.
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Googles idea seems more realistic. To search Twitter we got search.twitter.com. What we need is something organize and filter data in a nice (if you don't mind, rad) way.
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> EDIT: This is just my totally uninformed guess.

you are right, because you are wrong ;) :

http://news.ycombinator.com/item?id=871408
And to add to this, it's not just being told "it's Believing that you are smart", (which can happen without any one else involved) is the formula of destruction.

It's already said in a better way.

"When you’re ripe you rot, when you’re green you grow"
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Per the cached copy, the source can be found at https://bitbucket.org/benjaminws/nginxmgr/

This program appears to rewrite the upstream section of the nginx config based on health checks / XML-RPC requests and gracefully reloads nginx via its built-in handler.

Getting native side-channel support for upstream configuration changes is a recurring topic on the nginx mailing list, but nobody's bitten that one off yet. When we switched from a complex health monitoring / keepalived / LVS setup to nginx a few years ago, I was sure we'd want this too. But it turns out that nginx's simple upstream round-robin works quite well against our PHP app servers. When we want to take one offline, we just gracefully kill its webserver and nginx fast-fails it and moves on, no interruption to in-process requests.
Well, no, it is the point. The GPL doesn't say "no dual licensing", it doesn't say "GPL takes precedence over other licenses", it doesn't say "rights revert to FSF if your company is acquired".

Perhaps if it did no-one would use it, but the fact is the MySQL people did use the GPL, and now it hasn't gone the way RMS wanted but no license violation has occurred so he should butt out. As far as I know his organization doesn't even have a line of code in MySQL.
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USB 2.0 is 480 Mbit/s (max). I can't find any definite figures for video bandwidth, but I think it would be OK for youtube size, and probably for SD video. Note that since 3D acceleration is done inside the card, it isn't affected by the transfer rate - once it has the textures. Transferring the textures is what takes the bandwidth (assuming the USB card has 3D acceleration).

But for command-line stuff, this delay would be undetectable, similar for reading text (like the Kindle, which has extremely low refresh rate), email, web-browing. Probably, most applications - certainly, most business applications - would be OK on it.

But USB 3.0 will change all that. What's interesting is this may be a disruptive innovation, and the companies who got into while it was still niche are now set up (they know the technical problems, customer technical and business issues; and they have market presence, with end-user customers and retailers etc). That's how you win with a disruptive innovation.

EDIT a review http://www.everythingusb.com/iogear_usb_2.0_external_video_c...
Renai: I'm curious given your submission history as to what process you go through in deciding whether or not to submit your articles here - care to comment?
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I tried searching around, but found only April Fool announcement of GvR retirement:

http://www.python.org/dev/peps/pep-0401/

Any links to actual talks about retirement?
Ask HN:Artificial Neural Networks for electronics engineers
Hi all,

I am a First year electronics engineering student.I am aiming at a scholarship which requires me to make a project, anything original and research based. I am still searching for ideas, and one that came into my mind was artificial neural networks in electronics. I thought it was perfect (mind you I have a very limited knowledge of ANN, so feel free to correct me).Neural networks are mathematical models of brain and if I could implement such a thing,even on a very very small scale, into simple circuits it would definitely result in a very impressive research project.

The immediate second thought was that this cannot be original. There has to be some work done on it as this is such an obvious thing. I found out about BEAM robotics and Nv Nets, but as this is still in the research phase there is not much material on it to read.

I couldn't find books,post,papers anything which will make me understand Neural Networks from the perspective of an electronics engineer. But I think this could be the mistake of my not-so-good searching skills. Can anyone please point me to such a resource?
If they make a small fortune from this, it'll be because the having the pro account brings a lot more than $99 to the designer; i.e. because of the value of the service provided, not the cost of signing up.

Because if the service doesn't bring the value, nobody is going to continue to pay for it in the long run.
Maybe he is live-testing it..
It didn't require a super-unique idea that needed to be rushed to market before the window of opportunity closed, either. Just another common idea, executed well. (Ok, so they're not quite there yet.)
If you're dissatisfied with the service, why just not stop paying for it? Isn't that so much easier than getting all upset and demanding things?
I was coming to complain that the article had basically 0 content. It might not be spam exactly - but if you've only ever submitted from 2 sites - it's not a great look.
Good idea - thanks for that!
The iPhone was the first cellphone with a browser that actually made the internet useful on a device of that size. A real browser, not some weird WAP enabled thing. But, that's really irrelevant. What is relevant is Ballmer's need to keep making stupid comments. It is like he thinks he can change reality by just saying some weird stuff.

Microsoft's looking for its next big thing. They have executed an awesome series of steps going from Basic -> DOS -> Windows -> Office. They are a big company and seem to be putting out tons of new products without much success. The Zune HD might finally be the real deal, but it is a great entrant in a market that is being absorbed by cellphones. Their stock is stagnant and Apple + Google are getting bigger. It just seems like Ballmer doesn't really have the vision to take all cool stuff Microsoft is working on and turn it into a new generation of products, so he attacks everything and keeps iterating the old.
"I remember thinking Jobs was an idiot when the cut off Power Computing, I remember thinking killing 3.5 inch drives was a disaster, and USB only, and OSX was terrible, and, and and. And while Apple is far from perfect, as is Jobs, the relentless execution they have displayed over the last 12 years is truly inspiring."

Not that these things weren't great products but the stock didn't really start moving until the the iTunes store was introduced and the iPods really started selling (late 2003 - early 2004).
There are chips that contain neural networks:

http://www.particle.kth.se/~lindsey/HardwareNNWCourse/

That's fairly dated, lots more to read:

http://www.google.com/search?q=neural+networks+in+hardware

The Japanese have done tons of research in this field and the producers of quite a few of the chips, there are lots of fields of applications for these, one of them is in process control.
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You are right nimbix, the focus seems to be on LSD consistently. The meme on 'teh interwebs' and here on HN seems to be that

LSD == Hallucinations
Hallucinations == Good
.: LSD == Good

And the meme also says that somehow if you are stuck in plain old reality, your life sucks in lots of ways you'll never know about, because hey, you just aren't cool enough if you don't hallucinate on LSD.

Now of course I've taken a lot of LSD and all the other stuff I could lay my hands on: But I reject the notion that hallucinating is better than real life. After each hallucination, real life is what you return to, and must deal with.
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We first submitted about a month ago, I think. We've made several revisions since, as we continue to develop stuff. I'm posting the (hopefully) final revision in a few minutes.

Hangups: a bloody name. That one drove us nuts, but I think we finally got it. Also: the video. Hated the video portion, but finally we decided to just punt with a slightly older candid shoot that runs well over the 1-minute time limit.
When you're willing to make an approximation you can come up with all sorts of very short functions for common operations.

Here's one from my project, which takes an integer x and calculates a (float) log2(x) in an absurdly low number of operations.

static inline float x264_log2( uint32_t x )
{
int lz = __builtin_clz( x );
return x264_log2_lut[(x<<lz>>24)&0x7f] + x264_log2_lz_lut[lz];
}

const float x264_log2_lut[128] = {
0.00000, 0.01123, 0.02237, 0.03342, 0.04439, 0.05528, 0.06609, 0.07682,
0.08746, 0.09803, 0.10852, 0.11894, 0.12928, 0.13955, 0.14975, 0.15987,
0.16993, 0.17991, 0.18982, 0.19967, 0.20945, 0.21917, 0.22882, 0.23840,
0.24793, 0.25739, 0.26679, 0.27612, 0.28540, 0.29462, 0.30378, 0.31288,
0.32193, 0.33092, 0.33985, 0.34873, 0.35755, 0.36632, 0.37504, 0.38370,
0.39232, 0.40088, 0.40939, 0.41785, 0.42626, 0.43463, 0.44294, 0.45121,
0.45943, 0.46761, 0.47573, 0.48382, 0.49185, 0.49985, 0.50779, 0.51570,
0.52356, 0.53138, 0.53916, 0.54689, 0.55459, 0.56224, 0.56986, 0.57743,
0.58496, 0.59246, 0.59991, 0.60733, 0.61471, 0.62205, 0.62936, 0.63662,
0.64386, 0.65105, 0.65821, 0.66534, 0.67243, 0.67948, 0.68650, 0.69349,
0.70044, 0.70736, 0.71425, 0.72110, 0.72792, 0.73471, 0.74147, 0.74819,
0.75489, 0.76155, 0.76818, 0.77479, 0.78136, 0.78790, 0.79442, 0.80090,
0.80735, 0.81378, 0.82018, 0.82655, 0.83289, 0.83920, 0.84549, 0.85175,
0.85798, 0.86419, 0.87036, 0.87652, 0.88264, 0.88874, 0.89482, 0.90087,
0.90689, 0.91289, 0.91886, 0.92481, 0.93074, 0.93664, 0.94251, 0.94837,
0.95420, 0.96000, 0.96578, 0.97154, 0.97728, 0.98299, 0.98868, 0.99435,
};

/* Avoid an int/float conversion. */
const float x264_log2_lz_lut[32] = {
31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1,0
};

The resulting asm, just 7 instructions:

bsr ecx, eax
xor ecx, 0x1f
movss xmm0, [ecx*4+x264_log2_lz_lut]
shl eax, cl
shr eax, 0x18
and eax, 0x7f
addss xmm0, [eax*4+x264_log2_lut]
I submitted this under the actual title of the article ("Almost Everything I've Learned about Direct Response Television") and it was [dead]ed immediately. I found the article pretty interesting, and thought it was worth re-posting with a less spammish-looking title.
I wish someone did a study on how being told other things affect intelligence. For example, there is the stereotype of the dumb blonde. Perhaps being told (or knowing) that one is attractive leads to lower effort and therefore to less knowledge and lower intelligence. Maybe high intelligence is something geeks develop, only because they are not very good at anything else, such as being popular or good at sports etc.
Well, taking it out of the abstract, these kids were probably given math problems that were boring by the time you got to the second set. There's only so much 254+739=? you can do before you get bored. At that point, they weren't testing motivation, they were testing patience.
Does anyone remember when ZDNet was a source for the answer to questions like this?
He has exactly as much evidence as the original article does. He just doesn't have a popular blog to boost the credibility of his opinion.
I was also in an anechoic chamber a few times years ago. I remember once, I had been working on a robot for the FIRST competition for about 10 hours straight. I was exhausted, so I thought, 'I'll take a nap in the anechoic chamber'. It was probably the only quiet, dark place around.

I couldn't sleep, and lasted only about 20 minutes in the chamber. I didn't have hallucinations, but I did start feeling paranoid and the lack of sensation was (for lack of a better word) intense. I couldn't stand it. Perhaps I would have started hallucinating if I had stayed longer. Sensory deprivation is a truly bizarre experience.
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I have to admit I'm pretty amazed that someone with a hacker news account just got called a luddite.
I can't find any definite figures for video bandwidth, but I think it would be OK for youtube size, and probably for SD video

For standard YV12 video, 1080p would be 1920x1080x12 bitsx24fps = 597 mbps.

So you'd probably be good up to 720p at least, but not full HD (unless it's 1920x800, i.e. 1080p with letterboxing black bars cut off).
I think the problems are overstated. There really isn't a web filter debate. It's really a bunch of people yelling at a rogue Labour minister who has too much power as leader of the right faction. There are very few people arguing in favour of the plan, and it looks like it will be impossible to pass through parliament.

The lack of an R18+ rating is more a reflection of the problems with the constitution. The federal parliament is unable to make censorship laws that apply to the entire country, and we are therefore dependent upon all six states to agree. The situation now is that 5 states support an 18+ rating, one doesn't.

The serious censorship problems are really that several films, such as Ken Park, have been banned even though there exists an 18+ rating for cinema. Also, the banning of one of Philip Nitschke's books is troubling.
No the moral is if you lie to children, you can expect them to change their behavior based on your lie.

If you praise a child who is actually smart, for being smart, then things will work a lot better.

I understand the goal of this study was to see if increasing self esteem can help. But don't extrapolate that to also assuming that praising a child for things that really are praise worthy (including being smart) is bad.

The result of the study should be: don't lie in your praise.
You seem to have more experience than me, but I would hypothesize that learning fundamental physical metaphors just happens very early (and haphazardly) in life, and a lot of what seems to be "innate intelligence" is derived from those experiences. Just as linguistic intuition is hard to attain after a certain age, there is spacial, logical, and even epistemological intuition that happens well before the first grade.

Seeing a good magic trick at a young age, for example, is probably what leads to true understanding of epistemology - you need that initial feeling of "reality is not what it seems". Intuitively understanding logic is also indirect - it can come from a toy peaking a child's curiosity at the just the right time in just the right way.

No learning opportunity is missed completely, just as 30-somethings can learn to speak foreign languages, but there are certainly windows for the quick acquisition of certain ideas over others.
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