skysight-inc/HackerNews huggingface dataset:
So the question is, is it possible to imagine a system that uses a majority solar? And does it appear to have the potential to be economically competitive?

First, however, residential usage does not peak after dark. Peaks occur on sunny hot days when A/C usage is maximum. And since in the US the electric grid already exists and no one is proposing dismantling it, that simplifies the problem.

Ten years in the future, iPad-level power consumption will rule for computing machinery at home (iPad == 2.5 watts). LED lights will be common. Solar panels will be the cheapest form of electricity, if current trends hold. Even on a cloudy day, solar PV generates significant power, so about the night?

Batteries, either connecting a city's worth of hybrid cars, dedicated battery packs, pumped water storage, compressed air storage, are all options. Others are to run natural gas generators at night, or wind or hydro or geothermal, all grid connected. None of these are particularly difficult to imagine, and combined with efficient lighting and other expected improvements in efficiency could easily be expected to cover residential night time load.
How can I grab the video for roundness region?
You are correct. That will teach me not to multitask;<)
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It would not quite be plain text, would it? I use Basket, which supports this feature, but I tend to prefer the single-column format.
If some company rolled out production right now for 50 cents a watt, unless their volume was ridiculously high or their tech looked easy to copy it wouldn't have that much affect on the market price. Why? Because they don't have to sell it at 50 cents, they can just sell it at market rate. Only when more than one (at least) company has the ability to sell for 50 cents is the price likely to approach that.
Richmond, Virginia: Silicon Valley Of The East?
you can try the onde screen capture for mac.
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Ah good point. In 1863, it was 39.

Thanks for pointing that out.
Story of universe : is it possible? Would appreciate your response
As I was thinking about Universe and read about the plank time concept - a thought started troubling me. Is possible that universe is still in its infancy. Is it possible that the core is still in early infancy while the periphery where we live in has aged? This way we still observe constellations and stars moving away from us which according to us is something which happened during the early stages of the universe.

What are your thoughts on this. Do you know of any text which I can refer to pursue more research on this subject.
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No, just avoided cost. Unless your utility drops the rates significantly, the savings are locked in.

As far as moving goes, studies show that solar systems increase the value of a house by approximately the cost of the system. Of course, if solar system prices fall as expected, this premium would likely drop also.

And the economics are the same for a system where the cost is rolled into a loan during a home loan refinance, an option available to many people now.
G+ app on Android steals images
These are teachers teaching software. They like the study because it somewhat confirm their experience (switching to python makes learning significantly faster).

It is not The Final Proof (against what? perl?), but it is nice to find one way, among maybe other, to give some ground to empirical teaching experience.

I don't know much of perl, but I tried bash, and know PHP well, and really, really, the language used does matter, it will shape your models and logic, and change the way you handle, debug, write, read, maintain code.

Some people seem to adhere to the relativist cliché: all languages are good for something, in their field of usage. It is a matter of personal taste (implying it doesn't matter at all).

I don't agree. All languages are not equal. The breadth or their application field is often not comparable (eg compare bash, which is useful for some unix scripting tasks, with python, which can do web, and math, and stats, and windows grey-hacking, and multiplatform desktop clients, and image processing, and Unix scripting, etc.)

Having worked with (and fought against) PHP for many years and recently switched away, I can tell, it is not a matter of taste, some languages are simply worse, which implies that some are better. There is no "equal rights" to enforce in this domain.

[edit: clarify]
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I love the idea -- I wish I could see it! My almost-6-year-old would love to have his drawing turn into a real stuffed animal.

Bandwidth exceeded. Le sigh.
It's much easier to change a domain name than a product name.
I got into programming through Logo in elementary school. Logo is a Lisp dialect. Even if it took me 15 years to rediscover Lisp, I am thankful for the good beginnings.

Thanks to John McCarthy for making such huge contributions to the computing world, and to my hobby and career.
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> businesses can be totally gutted at the pleasure of a handful of production companies and/or publishers

If this were true, those studios would go out of business and more cooperative studios would rise up to replace them within a few years.

> $300/share is certainly not something to shirk

The important metric is market capitalization (share price multiplied by number of issued shares). Netflix's market cap is an optimistic $5 billion. Apple is $377 billion, equal to 75 Netflixes.
This is just one more proof of how messed up the patent system is. The problem now becomes: why was that patent awarded in the first place ?
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Something on the web has more value when it is viewed by more individuals than otherwise, correct? Early anonymous communities did provide some kind of value to their members, but they comparatively provide more value today when more individuals are present.

The problem when talking about social science is that everything is relational/relative. Rigid identity is necessary as a foundation for the MASSIVE (modern-day scale) usefulness of pen names and anonymity. It is not necessary for the smaller audience, but for the larger one which is online and present which we take for granted, it is necessary.
Wild animals are often always looking for food. The claim of no-identity-before-statehood is, as stated, very, very relative, and I even wrote that this contrasts with identity as we know it today. The point is that identity did not matter when nobody had anything to do with themselves through it. Aristocrats, as written, are the exception due to their privilege of free time and surplus. The identity of a man who does one thing out of survival necessity is orders of magnitude less complex than the identity of a man who does several things and prides himself on all of them, and continuously has the option of re-defining himself.

Moreover, I have to admit that the assumption of no identity before the Industrial Revolution is something I studied in the entirety of two social geography courses dealing with how context defines the modern imaginary (as everything is only imagined with us).
I'm totally in agreement about Apple being big, and I don't see them becoming 4x bigger than the next largest company. I think, from a financial POV it would make sense to spin stuff off, so that each part has a chance to become as big as the whole. From a synergy POV, that's daft. Apple gets a ton of benefit from being one unified whole. Apple's big issue now is to avoid replaying the sideways fall of microsoft in their own way.

Amazon's cloud services are small, looking like estimated 750 million this year vs something like 40 billionish sales for the year. Their expenses look roughly consistent on a yoy basis, the last couple of quarters are pushing up the r/d spending, but that's possibly the difference between quarterly revenue (strong variation within the year) and a constant increase in r/d. That might be shaving a bit off, but it doesn't change the nature of their business. Amazon makes most of their money selling other people's physical goods. They mark them up. They are competing on price with WalMart, Target, and the wholesale club stores. On the other hand, they're competing well with local businesses by shipping stuff for free and providing a consistent customer experience.

They're totally different companies. My rational expectation is that Amazon would be a low PE stock, and Apple would be high. I'm not going to short things waiting for the market to come around to my sense of rationality.
Jelly Gamat
The provided perl is a little dated:

$x = &z(1, 100, 3);

sub z{
$a = $_[0];
$b = $_[1];
$c = $_[2];
$d = 0.0;
$e = 0.0;

for ($i = $a; $i <= $b; $i++){
if($i % $c == 0) {
$d = $d + 1;
}
else {
$e = $e + 1;
}
}

if($d > $e) {
$d;
}
else {
$e;
}
}

Fixed?

$x = z(1, 100, 3);

sub z{
my( $a, $b, $c ) = @_;
my $d = 0;
my $e = 0;

for ($a..$b){
if($_ % $c == 0) {
$d++;
}
else {
$e++;
}
}

if($d > $e) {
return $d;
}
else {
return $e;
}
}
Oh I meant the upgrade thing as applying to the industry in general. Savvy customers can get very good machines for under $400 these days if they are willing to get used/refurbished.

My bad. I didn't realize the tapering. By the dimensions, I'm guessing you have an 11", but I see how the 13" is actually only 46 in^3, making my laptop 2.5x larger by volume. That said your backpack should be able to hold 10 of my laptops, well, with perfect packing. :)
And what would you be changing even when you do change it? Editing the whitelist is all I can think of.
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I have spent years upon years programming in perl, and I love it dearly, but I laughed pretty hard at this. No offense to Larry Wall, but if you've spent any time writing perl code, surely you've had at least one moment where you wondered if someone hadn't gotten one over on you. I don't knw about relative ease of learning, but perl can be obscure. Of course, some think that adds to the fun. ;)
No, you should not quit college. I worked a full time web development job while attending college from age 20 to 22 and I was much better off for the experience. I will finish my bachelor's next semester, and the combination of the experience and the degree are attracting far, far better jobs than the one I had at that age.
But the fact that 30 pounds of silicon, an amount that costs $700 to produce, is enough to generate a lifetime of household electricity baffled me.

Except per panel is at least $300 and you need a bunch of them.

I guess the idea is also to avoid battery storage and just feed the grid.

Price comparison for grid-tie http://www.sunelec.com/comparisons_of_grid_tie_systems_price...
I went back to Directv. I was already missing sports, so this move pushed me back in that direction.
Ask HN: how do you pick a worthy developer from Odesk or other outsource site?
I have a project that I want to get done with, and it requires PHP and MySQL expert. I post my project at odesk and others, of course I got responses.

Now because my background is not in CS (I work as a Product Manager and in big companies, I don't have to go through this process when I develop my products and ideas as I have engineering teams at my disposal. Also my tech background is in wireless industry, not web 2.0), how do I interview and select qualified and worthy developers to build my project? Most applicants are from India or Eastern Europe. I am in bay area.

Thank you for your response.

PS: if anyone here is interested in working on my project, please feel free to response here and I will contact you. Thanks.
Doesn't that ignore the fact that it is possible to have a pseudoidentity? A handle? That is enough to support a reputation and hence to enable you to focus your 'attention on people I know to be helpful?'
From the article:
" Over the course of his working life, a college-educated white male .... will have earned about $2.3 million. His high-school-educated white-male partner will have earned $1.2 million."

Let's say college costs $100,000 (tuition plus opportunity cost of income, etc). Now let's say instead of spending that $100,000 on college we invested the money instead at 6% per year returns. That will give you $1,028,572.

The difference between college and no college is about $1,100,000.

My point isn't that college isn't worth it (most of the time I think it is). My point is that the gains are not as great as a simplistic comparison might suggest.

On a final note: The analyses comparing college to no college rarely adjust for things like IQ or emotional intelligence, which should really be the included so that there's no bias towards college simply because the smarter more conscientious part of the population decides to attend and complete college.
https://gist.github.com/1311342

I started this a few weeks ago after rereading sicp chapter 4 and realizing that it made more sense this time around.

Some of the most fun I've ever had with programming (though I haven't been doing it very long). Never got around to doing the cool stuff at the end of SICP though, I should really get on that...
Anyone who will work for free may not be worth the price.
Yeah. Me too. I found it painful to read.
https://github.com/rongarret/Ciel

Implemented in C++. Makes extensive use of C++ features and libraries to produce a lot of lisp in a small number of LOC. Includes exceptions, a full numeric tower (including unlimited-precision floats, courtesy of CLN), vectors and dictionaries (courtesy of the STL), and dynamic code loading (courtesy of dlopen). Uses the Boehm GC. Still buggy, not quite ready for prime time, but it does work.
Do you have any info to support your assertion?
As far as Matt Ridley's writing, can you speak to whether these are the same arguments: http://online.wsj.com/article/SB1000142405274870342120457632... ?

Summarized, Ridley argues here that the "renewable/non-renewable" distinction is quantitative (not qualitative), and that renewable energy harvesting devices are built from non-renewable materials.
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iPod godfather and ex-iPhone team launch previously stealth startup
You are basically saying that bikers are such super road warriors that they don't have to obey traffic laws since they are all aware of their surrounding. Then don't get mad when car drivers ignore you and run you off the road since they don't expect you are not following the rules.
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All educational systems let you drop out after being accepted somewhere better. Apply first and then leave!
Ex-iPod and iPhone creators reinvent the thermostat
Every trend in history has that seminal event that defined the future to come... If our spending habits are opened to advertising interests, I would consider that such an event and the beginning of a nasty slippery slope with unexpected consequences down the road for all of us.

This scares me.
Then you'd be stuck supporting old versions of jQuery.

Why not have it the other way around? Have the webpage define the DOM implementation. Taken to its extremes, that would basically solve backward-compatibility.
Look at services like Forrst or even through Hacker News rather than services like these. You could find a great developer but you'll find a lot more terrible developers in my experience.
Credit card companies selling their data to BlueKai/Exelate - shudder.
I'd like to refine this calculation after including the interest rates on student loans.
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In that case (trading on discount) you are better suited utilizing one of several options trading strategies...
Talk is cheap, and listening is expensive. Judging only the merit of ideas is nice, but it is only applicable within a small community.

Even in a small community attention can be expensive. I've worked with a number of developer groups. Within each I would eventually reach a point where people knew enough about me that I could ask what might initially seem a stupid question but often lead to some interesting discussion because I was trying to a) make sure I understood this or that assumption and b) see if some assumptions were just plain wrong.

And the group knew I wasn't just dense or playing games; I might be wrong about this or that, but I was sincere and likely had at least some insight to offer.

I'm sure there are various ways to get these same kinds of group discussion going but reputation saves a whole lot of time when trying to explore a counterintuitive idea.

Even in small groups people have lots to do, so having an "in" based on reputation is important.

BTW, I do share the OP's point about bluntness, and I've been fortunate to work with people who, after considering something I've suggested, would give a direct, matter-of-fact opinion.

But this may be another case where personal knowledge helps; most people respected each other well enough to understand that there's a difference between dumping on an idea and dumping on a person. The nice thing was that no one thought you stupid because you said or did stupid things (if your overall reputation was for general non-stupidity) and it made communication easier.
Startups battle it out for charity
Sorry, CNET review is for older model. Amazon link shows 6 GB.

On battery life, PC Mag[1] claims 9:30 against the 2010 Macbook Air's 5:35 - I believe that dominates even the 2011 Air.

[1]http://www.pcmag.com/article2/0,2817,2383651,00.asp#fbid=fiU...
SmarTots Raises $750,000, Offers Mobile Apps Platform For Kids
Isn't Google (and MasterCard) already doing this with Google Wallet?

http://google.com/wallet/
and you've got no recourse? sheeesh! what a screwed up system

I sincerely hope you're able to get things sorted. Thanks for the explanation
The worst part of this drop-out fad is people miss out on going to college-the-experience. As opposed to college-the-education. It turns out it is actually awesome to hang out, learn stuff, and meet people 24/7. Work can give you some of it, but not everyone is committed in the same way. Different ages, different motivations, it won't be the same. The experience is worth as much as the education.
I believe the problem is credit cards. They shouldn't be able to suck money out of you each month. You should have to send them money each month. If you don't want the service any more, don't send them money.
I'm sorry, as this is rather off-topic, but are you by any chance unfamiliar with credit scores because they don't exist in Australia? If so, how do lending institutions gauge your credit-worthiness, and how do you set expectations about the same? I am just curious how this works outside of the US.
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If our spending habits are opened to advertising interests

It already is, all over the place. Login to Amazon and take a look at the suggested products. It's just that it's typically done on a store by store basis, and doesn't encompass every single purchase you make.
I think that comparing earnings is missing the point of attending university or college. If what we want is vocational schools then I think that we should discuss that instead.
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The trouble is it doesn't compare like with like. College graduates are people with greater than average IQ and other skills. In the past (just 20 years ago) when less people went to college they were even more likely to have greater skills than the average person.

Are there any studies that show the college "premium" for more closely matched people? Perhaps based on SAT scores. So we could see the premium for a person with 1000, 1500, 2000 SAT score of going to college vs not.
What do all these have to do with bikers blowing through red light and stop sign?

On the flip side, these causalities reinforce the requirement of ALL road participants to follow the traffic laws. If the bikers stop at red and stop sign, don't you think the biker injures would go down?
I was referring to government spending on wind and solar companies to the exclusion of competing technologies.

Note I am not against government spending for basic research it has paid for itself time and time again.

If you consider solar to the "ultimate option" you're closing your mind to other ideas.

People have made fortunes betting against conventional wisdom.
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No big thing. It's my fault this got so heated. I could go on and on about what we've learned about recruiting process over the last 5 years, but we're pretty deeply nested here; some other time.
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I don't believe dropping out is necessarily the better option, but the article doesn't argue why not dropping out is.

The data needs to be adjusted for the fact that "college educated" has become an entrenched label in society. Without the label, society values a person much less. That is all the data in the article proves.
Cryptic but so true.

I think part of the reason people revered Steve Jobs so much is that he took the time to talk about the vision and passion of making great things and why we'll love them.

There really is no Reality Distortion Field, just great products worth talking about.
That idea has been postulated, that the cosmological constant changes over large distances (which would affect our view of things over time).also, time itself may be something we interpret but might not play into the math of physics. I forget who wrote it but there was a paper showing the math works out better if you take time out if the equation. Scientific American magazine runs these kinds of stories, might be a good place to start
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Do both. Most high paying jobs require a BS degree. HR often simply throws out resumes without bachelor degrees, even if you had 20 years of programming experience.
I think this is a more readable version of the story:
http://www.reuters.com/article/2011/10/14/us-apple-samsung-l...
Microsoft’s Mafioso Protection Racket
The single-value averages here are worthless. At the very least, control for degree.
Why do you think it's cryptic?
I don't buy it. Looking at college-educated versus high-school educated people is the wrong comparison when advising people whether to go to college or not. The relevant populations are people like you who went to college and people like you who decided against college.