skysight-inc/HackerNews huggingface dataset:
It's fascinating, but suggesting that this is anything like what's been depicted in science fiction movies (yes, like The Matrix) is silly.

It's certainly a big leap beyond what's actually been demonstrated here. But it is a very interesting first step along that path, and if something like Matrix-style learning was ever going to be possible, I'd imagine this would be the most fruitful approach to follow.

Just to be clear: what's going on here is essentially that they've set up an apparatus to display an error function that measures the difference between the target and actual brain states in a person, and asked the person to minimize that error. The idea would be that by trying to match brain states you could shortcut the learning process that lead to that brain state, and instead skip directly to the result. Pretty standard optimization problem, except that it involves the brain.

The difficulties come in two parts:

1) Is it possible to efficiently "navigate" your own brain state based on feedback towards a target based on an error function, and do so well enough to jump out of crappy local maxima? More generally, is it possible to reliably navigate to a target brain state quickly enough so that it's more efficient than actually going through the learning process that the target state was arrived at from?

2) Can we even measure "brain state" accurately enough so that successful completion of 1) would be useful at all?

1) is a biological question, 2) is technical. This particular research doesn't offer much on either front, sadly, because the task they picked was so simple that it would clearly have been better achieved by direct learning (they spent several days training people on the "error function", and I can't imagine it took that long to recognize an orientation of an image for the training group...).

I'd be very skeptical about how useful low resolution views of brain activity will be when it comes to higher level understanding rather than simple visual recognition tasks. And I'd also be skeptical about whether we'd still be able to effectively navigate our brains through the fitness landscapes if we ever did achieve resolution good enough to help with more difficult tasks.

But I don't think it's a wash. It's pretty likely that even low-res views of brain activity for certain tasks can be helpful - if you could match your brain activity even at a rough scale to the way Richard Feynman's looked when he was thinking about physics, it would probably put you in a better state of mind to do physics than you might have been otherwise, and that could still be useful, even if it couldn't directly transfer his knowledge about QED to your brain.

If we ever get to a point where scanners are much better, I imagine there will be quite the industry in picking out which low-res reductions of high-res brain activity are the best to use as training targets...
In some of the converted pictures two colors that were different in the original become identical.

If Van Gogh saw colors the way they are in the converted pictures why would he use two different colors that would look identical to him?
The only problem is that stupid people don't stop being stupid just because you ask them.

I agree with you that it's still important to point out that they're being stupid - if nothing else it lets isolated people know that there are people who don't agree with the stupid ones.
Thanks Matt. It's something I hadn't really thought about although this story has raised an interesting point/concern.
maybe it's just me but I can't see how either the original article nor the response is in any way significant. If I want to work in a startup wearing heels, then I'll do that. I don't need TC's permission for that. And, being in a startup, neither will I have the time to get upset about someone's opinion.
You expressed puzzlement that somebody was objecting to using the natural fallacy to justify discrimination. I tried to explain.
You are arguing against the points I did not make: I am not "vilifying" these companies, and I am not proposing they to "be torn to shreds". Paramount Pictures with other movie studios aren't evil either.

Users should be able to freely exchange software/information (which they paid for) between their devices (which they paid for).

This is all about consumer protection, not about how evil/awesome/innovative these companies are. Nobody is going to be "torn to shreds" if the practice of companies locking and controlling access to devices that don't belong to them becomes illegal.

Look, Apple selling you the phone which only runs software they approve is no different from, say, Toshiba selling you a TV which only shows FOX News, but refuses to show you the video which you bought here: https://buy.louisck.net
It's why I haven't switched to any online service and still have e-mail addresses at my own domain also I'm still using an e-mail client, so I'll e-mail backup both at client side and at server side.
Role of Exercise in Anti Aging | Horizontal Image
And I think it is clear he made a deal with Google, with or without monetary compensation I do not know.

Please slap me with proof that I'm wrong, I so wish to be wrong.
Because I don't want to add memory leaks trying to add features to mongrel2

You won't. Just send that patch in that fixes a bug/adds a feature. If its less than perfect, well, thats why code gets reviewed before committed. Other people look at the code and tell you whats wrong. And then you fix it! If you're not sure how to fix it, you ask, and someone will help.

I'm not enough of a ruby wizard to hack on Rails or Sinatra yet..

So what? You don't have to understand the entire system to be able to fix one small part of it. You don't need to understand minutiae of actionmailer to improve active record.

And how big do you think Sinatra is? I'm willing to bet its significantly smaller and less complicated than you seem to think it is :) *

I had more typed up, but, it can basically be summed up as:

1. Find a project you like.
2. Don't make any excuses and send in a patch.
3. ???
4. Profit! (aka: Goal reached)

* Sinatra is small; about 2k LOC, with ~400 LOC being html templates.
Why is #2 a fear? Nobody can use the site if you don't launch; if nobody uses it after you launch you're in the same position.

I launched a new site last week (http://www.dialshield.com). Nobody's using it yet; oh well. Nothing scary about that.
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And how do you make sure these super-productive adults with their optimized workflows are, you know, actually working on the right thing?

It's easy to naysay "all that traditional biz school bullshit" until it's your job to make 10 top-notch programmers who are each convinced they are great architects to all write code that somebody else is going to pay for.
For me it is crystal clear. I have no problem stating that because I am not disrespecting nor discriminating anyone based on gender.
What you mean by "it's not clear" is "there's no scientific proof", which is a totally different thing. You may argue that it's just something I believe in, but I'm ok everyone else's skepticism, I don't want to convince anybody of anything, but heck, don't disregard my opinion because of your taboos.
Either way, even it wouldn't be clear, it wouldn't be clear that I'm wrong either.

I agree with you that culture matters, and indeed people have been victim of discrimination countless times throughout mankind history. But you are afraid to admit that other aspects might matter too, because it touches your taboos.

You pick the example of black people being thrown to the bottom of the social structure of north american society because you know that arguing with that is unethical by pretty much any current standard. But just recently James Watson stated precisely that the average black person is less intelligent than the average white. Now, quite frankly, I don't care about that subject, but would dare to discuss it or would you just claim that discussion is out of your ethical boundaries?
It's not a nice topic to discuss, but because of that you can't just pretend there's nothing to discuss.

I'm just saying: If your arguments are limited by taboos then your opinion can't be of much value.
Yes, I think it would be quite interesting to have a museum exhibition where a high quality print of a original Van Gogh is displayed next a high quality print of the filtered version. I would defiantly pay to see that

I wonder if any other famous artists saw their work differently than the rest of us?
You seem to understand what it is, since you give a definition in the second part of your question ?

I'm not under the impression that he is criticizing the "copyright monopoly" itself, but rather the consequences of trying to enforce it against all odds.
"The Harvest" and "The Starry Night" both look under-illuminated. The rest look more or less the same.

Not sure whether that's my deuteranomaly talking or if it's his small pictures.
This article correctly points out that there are inconsistencies between some of Google's apps, but it doesn't demonstrate that it's a problem. Sure, I'd agree that it's something to be avoided, but the only problem pointed out that seems likely to cause confusion is the more button with a different icon.

Presumably there are user tests that show that these apps are straightforward to use.
I might actually have use of it if anyone uses my site! :)
U.S. National Debt
I'd blame that on the author's image processing.

It's also several times more common to be green-deficient than it is to be missing that cone entirely.
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Let me ask this in another way, why would you not use two different colors as one, if they look identical to you?
Hmmm... I don't know about that. I've definitely stopped being stupid about some things because people have pointed out my idiocy to me. And I've certainly seen stupid people stop being quite so loudly stupid after feedback. Perhaps even Techcrunch can learn.
I think you missed the first part, where it says that he is going to join as nonexecutive chairman. He's basically going to succeed WB only in terms of maintaining and guiding BRK's ethical standards, not its investment decisions.

Also, this is clearly a puff piece that was arranged by BRK's publicist. Having read Warren Buffet's biography a few years back, I do no believe "successful farmer" is how I remembered his son's career being described. The article does a decent job of painting a rosy picture, but looking at it from a more objective light: he grew up rich in a really weird family dynamic where his father and mother rarely had communication and the father's mistress lived with them; he never really was able to find much ambition in himself since he never wanted for anything, and his ability to believe he can succeed was explicitly shot down by his parents; he tried to go to college three times, failing each time until he finally had a mental break and decided to run away to a simpler life, like a cliched Happy Loman (Death of a Salesman). Given that this appointment is only about making sure the company maintains its ethics, that's not such a bad guy to put in that role. At least he's not obsessed with ROI at all costs.
Indeed, “In the world’s eyes, I could never be seen as successful as him. My dad and mom always made that clear that was okay,”

Howard was obviously not picked to succeed Warren on merit either, the chances of that are billions to one. Even though I would do the same, I can't help but feel that this kind of nepotism ultimately holds back progress. It's a shame that as humans we can't overcome paternal instincts.
Very good to see an example of working with the common crawl. I would encourage YC applicants to think about what kind of opportunities it presents.
Almost all discussions involving women with respect to stereotypes or gender oppression will devolve into the same pedantic, non-productive patterns of fuzzy thinking and inability to discern causation from correlation. It's a topic where cherry-picked beliefs are so strong (on multiple sides) that it pulls you in like a black hole, and nothing truly useful, not even light, can escape. Just noise. I've learned to try to ignore it when I can. Especially here on HN, where the "college" demographic is particularly strong, and particularly susceptible to it.

The takeaway I wish everyone would have, instead, would be something like, in short: that women and men are actually different. Get over it. Individuals vary. No shit! Unfair things happen. Get over it. Men get shit too. Not all things you don't like are because of your gender. Get over it. And there are plenty worse things, by orders of magnitude. Get over it.
idk if this is a cultural thing, but imho half the fun is that everybody brings their own computers. And besides, PCs are personal. They are not consoles which are easily interchangeable. You have your own settings and programs on your computer, and some generic machine isn't just as fun.
No, 25 Central Texas tech executives just want to ignore the prevailing market forces on tech salaries.

You might not like Austin very much, but many, many bright tech folks here love it. Conversely, I know quite a few people that left the bay area because they couldn't stand the tech scene there. Different strokes for different folks, but the bottom line is that just as the Austin execs are wrong to ignore the upward trend on salaries, you are wrong to discount the dollar valuation of improvements in quality of life.
My mom has been an Android user for almost three years now. She doesn't want to switch. She wants a new phone and she wants it to be mostly like her old one, i.e. the unadulterated Nexus One.

She comes to me for recommendations. I want to recommend her the Galaxy Nexus, but I don't see how I can. The iPhone is not an option. Hence my frustration.
Why would you separately put two "different" colors of paint on your pad, when as far as you can tell they are identical?

I can understand mixing them, or using first one then the other (after you run out of one) - but shading the image partly with one color and parts with another?

The only conclusion is that they were not identical to him, and this software is not correctly showing us what he saw.
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It will be great if you'll do a similar tutorial for Play 2. Now Play 2 lacks documentation. By the way, will you do your tutorial in Scala or Java?
How to validate ideas and get honest feedback
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What I noticed: In each version, my focus is drawn to completely different locations.

- In The Harvest, I immediately look to the farmer in the newer version.

- In Starry Night, I immediately look to the church in the new version, instead of the moon.

- Likewise, in The Road Menders and The Sower I look at the people more, and the trees and sun less.

- In the Cafe Terrace at Night, I immediately look to the server in the new version, instead of the yellow lighted wall in the original.

I noticed I measure the person and their posture much more readily. I can now, in my mind, recall the posture of most of these people: the server is erect, the sower is slightly bent and tired, the farmer in the harvest is steadily working, if slightly hurriedly, and in The Road Menders the two nun-looking characters in the back are somewhat tired as if on a weekend.

What I learned from this isn't "van Gogh had a color deficiency," but the way in which color can affect the mood of a painting in really subtle ways I hadn't considered.

Cool.
MoonScript v0.2.0 Released
I think you are being too generous to the Techcrunch piece.

It wasn't saying "stand back and let women do what they want". It was saying women don't want to run high pressure startups, as their genetics and biological clocks tells them to settle down, have children, and only run little lifestyle business between having children.

(I can dig out exact quotes for that, if anyone wants to to, but don't have time right now)
> The fundamental mistake behind the idea that Austin should pay a premium to attract talent is the assumption that money and happiness are fungible. The author lists a bunch of things she doesn't like about Austin and suggests that the solution is to pay developers more, that people who dislike Austin will come here for the right price.

THIS. Spot on. The title of the blog post itself tells you the error: paying people more money will get them to do stuff, but they won't be happy about it.
Having been an Android developer for sometime know, All I can say, a good developer will never face fragmentation related problems at all, or may be one of those corner, hardware dependent issues which Android provides mechanism to get over.

But serious what is this writer on Apple Dope or something. Well firstly uniformity is overrated, I would prefer evolution to that always and I love the way it has progressed in Android Apps. Designer can make his dreams come true.
I just made a simple observation yes. Whatever reason we find will fallback to men being different than women. That is in fact the only think we can say for sure. The outcome might not be fair, but it's not by denying this fact that we will make things better.

As for you example, it's flawed. 200 years ago doctors played a very different role in society of those of today's doctors. If you look carefully at today's society and try to find a social role more like that of a 1800's doctor, you'll probably find a job that is still done mostly by men.
Is it fair? Indeed no. But it is in fact a good example how we can improve women rights by going to the root of the problem without fear of being political incorrect. I might not have any evidence, but nor have you.
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That's besides the point. They can break the contract, and then you don't have the content. They've already won at that point, if they want to pile one, there's no reason not to.
And regarding ramen, Komé on Airport Blvd makes a passable bowl (although it's not as good as what you'll find in NYC, and it's only available at lunch).
well, that depends on where you live.
A bit premature to post this - no results yet, he's still working on it.
Do you mean the head of the election commission's ridiculous claim that all the videos of ballot stuffing, multiple voting etc. were filmed in advance by the opposition? The only thing that the Russian internets do with this claim widely is ridicule.
the problem I see with Amazon is nobody uses their consumer facing media services. They need to get people to use them to have an impact.
Are there hard-coded evolutionary limits on how smart humans can become?
Hence the profit-sharing. If the company never gets, or was even aiming for, a big exit, but instead turns into a long-term sustainable business, then as an employee you still get a cut of the success you helped create.
With Perl you would use Enbugger & gdb using these instructions: https://metacpan.org/module/Enbugger#From-gdb
Somewhere somebody is updating a product/marketing guide to add an example of how something can be mind-bogglingly counter-intuitively named. A poster boy for how to do it wrong.
As another recent convert to Vim, I always get something out of reading these articles. However my primary advice would be to just accept that the process of learning Vim is inherently painful, but the suffering is mostly over after a couple of months. Expect your productivity to drop during this period though.

It's also true that Vim 'suffers' from the open source infinite configurability issue. That is, it is so configurable that you'll spend a significant amount of time configuring it to your tastes rather than getting work done. This tails off over time of course. Slightly more awkward is that it's also easy to shoot yourself in the foot. For example my current config has an issue where on rare occasions undo sporadically fails, and ends up undoing line insertions by deleting the wrong line! Ouch. I still have several such issues, but not enough to deter me as yet.

Another thing to consider is that Vim is not equally suited to all developers. If you're editing a bunch of different file types with mostly consistent libraries I think it's a great fit, which describes a lot of web developers. In that case you just want world class text editing. If you're editing mostly C++ with a bunch of different APIs and libraries, the loss of decent codesense/autocomplete forces you into lots of very slow doxygen searching in a browser. I've tried various solutions to this such as clang complete and eclim, but ultimately Vim is not an IDE and there's no way to make it act as one.

Overall I'm happy to have made the switch though, since the editing itself is so very smooth. It's great to have the same environment in a remote shell as well.
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Not only is CommantT amazing, but I haven't seen something that good anywhere else. Seem that Peepcode has a similar things (but plugged in the system...), and that it comes from Textmate. But here the ability to change the working directory with some fast :cd change everything !
Huge believer in investing in yourself or a company you start/own. It gives you the highest leverage with least risk, in the general case. Even for folks that cannot or should not or do not want to start/own a company, they should at least self-invest in things like health, fitness, education, skills, socializing, peace of mind, etc.
> How they can improve their situation is simple economics. That's it.

Actually, 80% of the interesting comments in this thread are about how this statement is absolutely false. In the words of another commenter, quality of life is not fungible. Just about any decent developer can go work for Saudi Aramco in Saudi Arabia and get paid 2x what they make stateside. Go be a civilian contractor in the Green Zone in Baghdad, and get maybe 3x. Why doesn't everyone flock to these amazing opportunities, if it's all just simple economics?

Half of what those execs are doing is promotion. It's always shocking to me the number of people who think Austin is like every other redneck part of Texas. Dispelling those myths and getting the word out about the quality of life here is why they pay their dues to the Chamber of Commerce in the first place.

(Many people in the Northeast, for instance, can't even fathom what 300 warm, sunny days a year means. You really can't put a dollar figure on that.)
I could point you to few stackoverflow topics:

http://stackoverflow.com/questions/5083292/playframework-vs-...

http://stackoverflow.com/questions/1706146/playframework-and...
Oil paintings aren't painted in a single go. There's a lot of layering involved.

So perhaps a better question is, how would you mix the same color twice, if you couldn't tell a range of colors apart?
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Simple: You mix the colors one way, paint for a while, go off to some other part, mix the first color again, and paint again. If you can't tell the differences between two colors, it's easy to come up with two similar/'identical' colors that are really quite different to someone with a different color perception.

While this article doesn't remotely prove that this is what's happened, it seems like a possibility to me.