skysight-inc/HackerNews huggingface dataset:
Comparing the software revolution with a robot revolution is just unfair. The hardware part that fueled the software revolution was multi-purpose, so there was a fixed initial cost while the cost to develop the subsequent (amateur) programs was negligible.

The develop-test-debug cycle is also much faster in the software industry.

But I do dream of a world where Lego Mindstorms are widely available and used as any other toy.
Anywhere us HN folks can go to request early access? :)
There is an identical ask thread to this that I just posted an answer to, so I will crosspost my answer from there:

If you want to do front end web dev, learn these languages in this order:

HTML - http://www.w3schools.com/html/ CSS - http://www.w3schools.com/css/default.asp Javascript - http://eloquentjavascript.net/contents.html

And then pick one of the following two: PHP - http://www.tuxradar.com/practicalphp or Rails - http://ruby.railstutorial.org/ruby-on-rails-tutorial-book

There are many languages that you can learn for front end other than RoR and PHP, but they are two of the most popular right now, and will almost certainly suit your needs. Good luck, and stick with it when it gets frustrating, learning how to code is definitely worth it!
I believe why they're calling it a "new phase of matter" is because the electron-pairing is remaining at temperatures it is not known to have.

IMO this sounds more like there is a required energy level for electrons to actually be singular in their orbits and that at superconducting temperatures the electrons degenerate into electron-pairs. The structure of the cuperates must increase the energy required for the electrons to sustain being singular.

I don't think it's likely to be a new phase of matter, but rather an exploited special circumstance.
Military use: Personal Grenade "Return To Sender" Protection.
It's not my first thought - it's Drexler's who's a lot smarter than me. Maybe you should read the comments over there.
One big reason robots aren't very good is because actuators are not very good. There are no good artificial muscles. Motors are great to power wheels and propellers but not much else. On the sensor side, robots can see, hear and even touch quite effectively. I think the software is slowly making progress, as is the # of computations we can do per watt. But lack of actuator progress severely hampers the future of robotics IMO.
I immediately jumped to this conclusion as well. I judge that it may not have occurred to them. If most of their experience was in Java they may not have thought of embedding as a solution.
But 45 hours and one day aren't that different.
Mention that you're a HN user when you email us :)
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Thanks so much. I will check this out and share it w/other team members tonight! One of us is really strong w/database but does mainly govt' stuff which is all CF. Another is amazing w/UI and design, and my strength is project management- I'm great at translating and organizing what pp want into a format that makes developers happy. We're looking to fill the gap which is flexibility and skill in choosing and using the right language to get the job done.
I can't imagine how you can revolutionize healthcare by coding.
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Then they would have had at least one asset that could have been sold.
Now if the Times had some smart person on their staff, they'd call off the hounds and instead sell him content on a wholesale basis. Then let everybody sell NYT stories, just as anyone who wants to can sell for Amazon.
I do like the tethered balloon idea in the comments. Or kite even.
BizSpark looks great! I'd only used DreamSpark (possibly the student equivalent without the business support) in the past, which is quite MS platform focused. Of course, you can still virtualize stuff using the keys, etc., they provide through it.
We are taking a similar leap - totally changing gears and rearranging everything to go after it. Thanks so much for the resources; I'd love to stay in touch and will check out your profile. Do you know how long this stream will be saved? Will I need to archive it myself or will I be able to access it indefinitely? (<30 days on HN and learning every day!)
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10 hours might not seem like a "grand feat" but if I remember well, last year it took over a week for the tickets to be sold out...
Yes, we got a question. Did you have one?
How do your fees compare to that of PayPal's? Sounds great!
How do you pick a language? I've heard soooo many different perspectives on this. I just started fooling around w/Ruby because the tools were easy and fun to use... but since I'm just getting started I'm wide open for suggestions.
Well, different but I agree, not different enough to call one highly unstable and the other stable.
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Standards-compliant hardware and software platforms. Community documentation. Publicity of successes.
Being at ~100% after 45 hours and at 0% after 24 hours are quite different.
This is an excellent point. I remember last year thinking that the speed with which they did that was a giant 'FU' to all the devs who paid real $ to go to those sessions. However, given the lack of outrage, plus the speed with which it sold out this year, I guess the devs don't mind. Presumably they feel they're getting sufficient value from the other aspects of it.

Also, with respect to the 'allow more people to attend', I think that would wreck their 4:1 ratio of devs to Apple engineers which they seem quite proud of?
Amen!

"We have like a, uh, screenshot prototype. We don't have a uh, per se, working prototype."

Naval should have stopped them right there and said, "so, did you guys just meet on a bus stop and come up with this?"
Notta so far. :) Willing to share a link or the idea?
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I would wager it's also an issue of corporate politics.
If these leaves are capable of creating a sustainable in-house power generator, you will have no more need to buy electricity from your local provider. (Or at least in significantly reduced quantities). This obviously won't sit well with them.

Consider then that it's these companies which have the expertise to develop and commercialize a technique like this. You need to keep them on your friendly side when you are about to market. Going for those locations which are not paying customers anyway, is a safe move from an economic p.o.v. At least until said corporation can figure out a way to monetize the new product in a way that does not reduce their profit.
That was an especially fine job of grumpy old man. Kudos and congratulations.

If you haven't noticed, the site is going to hell in a handbasket. Looking at the front page, we have more quadracopter porn (love it!), three stories along the lines of "guess who's quit/joining X" story, more Color trashing (can we say who cares?), a story that promises to teach me to accomplish anything, and, yet again, "Is C++ dead?"

I say if C++ has jumped the shark, it is only a shark iterator, and the sequence is infinite.

That's not even mentioning the new jokey/snide-remark level in commenting...

Sorry. Didn't mean to horn in on your grumpy old guy glory.
War and toys, the best drivers of technology.
I'm ashamed to admit that you spelled "Snooki" and "Jwoww" incorrectly.
So psyched to read this. I've been devouring HN for the last couple of weeks. It's great to be able to get the perspectives of both awesome developers and people who are or have been in a similar boat (just getting started). Thanks for taking the time to answer. I read a ton and have been collecting some awesome resources - my Evernote is filling up w/ amazing resources I'll be happy to share w/others when opportunities present. Thanks a million.
Something I've favored considering. Put the exchange on a stepped clock. Randomize order processing within each step.

I don't care if a lot of people lose their financial jobs. Through their own actions as much as resulting events, they've demonstrated themselves to be harmful parasites.

Modern society depends upon a degree of stability and predictability. Current market evolution has been heading in the opposite direction. Time to reign it in to its role as tool, not goal.
Pisses me off that comments like the one I'm replying to get downvoted. He expressed his understanding of the science, if he's wrong then by all means explain why and upvote those who have explained why - but don't downvote just because somebody made a mistake, it's surely better to have the discussion than for nobody to bring it up.
I think what aresant meant was that these robots represent in the world of robots what the iPad represents in the world of Tablets: basic hardware made great by its software. Or not?
In fact, the framing of the performance characteristics of this this artificial leads me to believe that the selling point is their ease of manufacture. That is, they are less efficient than traditional solar cells, but cheaper/easier to make.

Just a guess, though. Would love to see actual figures.
Google had some simpsons character printers in my building, IIRC.
Email me and I'll share my application with you! (In my About)
No, it's not Melanin. It's a cobalt oxide complex.
Sorry, I just had to go back to that part where two really truly retarded things are said back to back:

"We started to iterate the product..." Translation: We smoked some weed and someone was like, "Dude, IPHONE APP!"

"How scalable do you think our idea is, do you think it's a good idea?" Not sure where to start but, Dude, is "Scalable" like the new "dope"? "sick"? "rad"? "dudical?" "mega"?
Since you're intent on belaboring the point, it doesn't claim that one is at ~100% and the other was at 0%. More significantly, if the assertion is that one is more stable, don't you think it would be more compelling to demonstrate its operation for, say, a month? Or did they build this one leaf 45 hours before issuing a press release?
In addition to what others have said, I would add The Little Schemer to the list. It may not seem like the most practical book, but it will make you a better programmer.

Beyond that, I would reiterate the following suggestions put forth by others:
-- How to Design Programs (get version 2. Racket, the IDE for this book, is practically plug-and-play, so you won't waste time prepping your development environment)

-- Think Python by Allen Downey (i haven't read this one, but it comes very highly recommended. the excerpts I've read show that Allen communicates the concepts very clearly)

-- Eloquent Javascript (very good introduction, all examples can be done directly in the browser with the specially-made console. This eliminates the time and confusion you will experience trying to set up a development environment with other languages.)

On top of those I'd also add:
-- The C Programming Language by K&R (if you are interested in C)

-- Dive into HTML5 (if you are interested in web development. HTML is a markup language, but you are going to need it to be able to build web stuff. This book complements Eloquent Javascript nicely)

-- Land of Lisp

-- DOM Scripting (Pair this book with Eloquent Javascript. It's the best introduction to the DOM that I've seen and will bridge the gap between HTML and Javascript)

The best books on coding are those that place equal emphasis on good prose and good programming practice and that de-emphasize syntax.

Also, look for books where the examples are real-world examples. i.e. things that people have actually had to implement at one time or another. Avoid books with completely imaginary examples that use made up names like foo, bar, widget, etc.
Your previous venture (http://psdtowp.com/) has a great looking site. Well done.
>>Solar panels are already good enough that they are used in developed countries such as USA and UK. Are they perfect? No, they cost too much, and they don't generate enough electricity, but they are used none-the-less.

Does no one follow energy news, except for oil prices and the Polywell project?! :-)

Many estimates talk about soon reaching "grid parity" in large parts of the world. If this leaf isn't good enough, there will be some other solar variant soon.

http://en.wikipedia.org/wiki/Grid_parity

It seems to go faster than this prediction from 2009: http://news.bbc.co.uk/2/hi/8386460.stm

(Kurzweil argued in 2008 that solar energy will take over http://www.livescience.com/4824-solar-power-rule-20-years-fu... )
Wouldn't it be better to fund this through NSF so that it could be part of a cohesive portfolio? Instead of the through the DOE which adds massive beurocratic overhead/duplication of effort. Wouldn't one science funding research body be sufficient?

Also, as for nuclear weapons research wouldn't that be best carried out by the dod, perhaps throug DARPA?
I am on it! I'm getting enough here to keep me busy for quite a while! How can I find the other thread? I'm going to keep track of all of the people that help me out on this post so I can shoot you a note when I finally build something cool! Thanks so much for sharing these resources.
Similar problem (tons of "color" apps), but Apple managed to rank them highly in results when I looked.

I assume they key off of selection criteria from the users (ie. most users installed X after searching for Y, so rank X higher for Y), but it could also be that their company name and app name are both "Color".
While it's painful when the bubble pops, it does serve to clean out all the shit that shouldn't have been funded in the first place.
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Maybe because Twitter is currently orders of magnitude bigger than Square and he thinks he can still contribute to it and make a difference.
Not many I suppose, a decent consulting rate is about all. Those are things I don't have much control over.
Right? It's funny because I've used language programs to learn Italian, French, Spanish,and Vietnamese... just a bit of each and that's exactly what I have been thinking - about how Pimsleur would be great for this and Rosetta Stone would be great for that... I can definitely see traces of the same kind of teaching in TryRuby.Org
A single account the does daily archives of any new articles, and mirrors them for people, would not be easily detected. It would just look like someone browsing all the new articles each day. Spread it across 2 accounts, and have each one just browse half the new articles each.

Not that i'd endorse this sort of idea, hence i'm not making it, just speculating.
HN: What is something you learned way too late in life? 
Basing this off of what's going on at Reddit: http://www.reddit.com/r/AskReddit/comments/gd95k/reddit_what_is_something_you_learned_way_too_late/

I feel like it'd be interesting to see HN answers
Just for the record, it used to be 200 karma was the threshold for downvoting back when geoffw8 joined.
I wasn't aware that the YC partners asked questions. I figured it was handled in much the same way that college admissions are. i.e. They go through all the apps, determine which entrepreneurs show the most potential and then contact everyone on the 7th and no sooner.

Were you asked a question? What was it about? The idea or the founders?
Thanks, I'll try a couple of those in the next interview.
My team did this last year, it was a great experience. While our company chose not to go forward after the summer, we all learned a lot and I'd recommend this to anyone. Next time around I'll know a lot more about what to do (and more importantly what not to do)!
[EDITED:] Your condescending tone is unhelpful.
Oh! of course.. that's definitely a really good point. Hibernate's HQL.. Frankly, I never got much use of Hibernate's Criteria stuff.. was always a second class citizen compared to HQL, other than for certain use cases that really demanded dynamic query building.

Even Django's ORM runs circles around Criteria.. in fact, the API design of the Django stuff is the one thing that I think really shines about it..
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Have you looked at ext.js from Sencha?
http://www.sencha.com/

They are actively shifting to mobile, and could at least give you a price for the work you're looking for.

[edit] I guess it is a specific product:
http://www.sencha.com/products/touch/
I want to be able to contribute to our start up by writing code even if it's not as the lead... and certainly to know enough to be an asset for other developers... and also to know what good code looks like. I think I need to figure out if I can be any good at it to know how far I'll take it. Some people say anyone can write code but other people say being "math minded" is critical, and that's daunting to me.
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Thanks for this, I fortunately added the ticket to my cart on my phone late last night (I'm in Australia) and woke up this morning to the sellout. Seems like check out all went well. Now processing so hopefully I'll be able to repay you with a drink there.
I've wondered why there are so few local/"off-line" implementations of QR encoding. Does it have something to do with rights retained by the format's originator (IIRC, a Japanese firm)? I've encountered everal server-based tools, but this is one of the only local, open source implementations I've seen. With respect to that, has anyone done it in Javascript? (I know, I know, if it's an itch I have...)
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Great! I'll check these out and share these with my teammates. Thanks for passing them on!
It means MS Word screwed you over again, this time by switching from A4 to Letter while you weren't looking. Damn Americans and their Imperialist defaults! :D
Yeah - me too.
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Generally robots are the expression of automation, and they have (as a market) been growing where ever it makes economic sense. As processors get cheaper and more powerful more and more things make economic sense.

Yeah that's kind of it in a nutshell. The PC revolution was easy to see because computer hardware has been performing the same fundamental task for decades: computation. Memory, storage, processing, and I/O; that's it. All computers are basically the same in that sense. But that one fundamental task is so useful that virtually everyone benefits.

Because of this, an entire industry has focused on improving those 4 basic components of computing, making them ever cheaper and more capable. And as the capability increases, the utility increases as well.

It's not the same with robots. Robots are more likely to evolve gradually over time. There won't ever be one single thing you can point to and claim "that was the robot revolution" and it's going to be a lot slower because there won't be a Moore's Law for robotics.
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Dictionaries are still quite useful, especially to someone for whom English is not a first language. It's especially useful for looking up the meaning of some word, for which the meaning is not completely obvious in use.
So we're going to say a program that helps women is discrimination against men, and a program that helps minorities is discrimination against white people? Why must a program that helps one group of society be viewed as discrimination against all others? Some people just insist on looking for the negative side of everything, even when there isn't one.
No. I'm not a 'doubter' I just don't care. I don't have a horse in the "whose Q&A site is teh bestzors" race.

Show me a reason to care. All I know is that expertsexchange needs to die in a fire. I don't care who pushes them into the bonfire. :D
Happened in the thread where I got to the brink of 200. :)

http://news.ycombinator.com/item?id=1852560
The way of the theorist is to tell any non-theorist that the non-theorist is wrong, then leave without any explanation. Or, simply hand-wave the explanation away, claiming it as "too complex" too fully understand without years of rigorous training.
Of course I jest. :)
Therin lies the reason the Amazon App Store has already overtaken the Google App Store.

I suggest you put your app into the Amazon store instead. There isn't much you can do about your problems with Google unless you catch the eye of someone higher up the chain.
I'm fairly certain WWDC tickets are not transferrable.

> Conference badges are not transferable. The full conference fee will be charged to replace a lost badge.

http://developer.apple.com/wwdc/faq/

Edit: Nevermind. Just read the CL post. Wonder how long that code is good for.
I will check this out. I've been amazed at the affordability of available resources and think $25 a month is very reasonable. It's also great to find so many people who are generous with their time and expertise and willing to offer some direction. I love this place! Thanks a bunch for sharing your resources!
Any chance you're international or is it just US only for now?
On the surface they are more expensive than PayPal (2.9% + $0.30) Fees.

The fees for Stripe are 5% + $0.30.

However when you take a deeper look you see that things are not so simple.
Compared to PayPal's free product, you are not forced to leave your website and go to a 3rd party site to complete the transaction.
Compared to PayPal's Web Payments Pro product, you don't have the $30 monthly fee.

Also this doesn't even taken into consideration the complexity and cost of implementing PayPal's Payments Pro api vs Stripe's simpler JSON api.
Could you elaborate? It would definitely be interesting to read your take.

A few questions -

A key reason the system crashed was the removal of liquidity. If HFT were still present to build liquidity, then how did the crash still proceed?

Also, how did the ones which stayed at the table help? What did they do pre-market stabilization? They key assistance would have been to halt the hot-potato trade and no one was able to do that.
Post stabilization everyone returned to normal, so I am discounting any efforts after that point.

Further, if they did they come out ahead, how did they manage that? Many trades were rendered void once the markets were returned to normal, so how did they avoid that outcome?

If they came out ahead, wouldn't that also imply that they got their shorts correct? Which means they profited from a one time occurrence? (Discounting post intervention behavior, at which point everyone is back to normal)
I don't think the radiation has had any effect on radio communications, has it? That just seems really unlikely.
You can't actually "evolve to a point where you stop reading these kinds of posts". This is just the result of evolving to a point where you start doing things.

I think the paradox is elsewhere: These articles defeat their purpose. "Start starting" can be paraphrased as "You shouldn't be reading this right now".

I was reading a product review last night and the author started with something like this: "Stop reading. Go buy "ProductX". Use it. Come back and read the rest if you want". And that should be the point every positive review should be making.
Yes, we're going to say those things, because we like to consider an issue from all sides, including the negative ones.

After we've done so, we'll make a decision on whether it's good or bad overall.
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I don't see, in the linked article, a comparison of the efficiency of this device to that of existing solar panels (which are quite a bit more efficient than natural leaves).
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