skysight-inc/HackerNews huggingface dataset:
> the event horizon - Schwarzschild radius - is defined by the specific value of gravitational potential (escape speed equals speed of light)

The Schwarzschild radius does have the property that, if you plug it into the classical equation for escape velocity, you get the speed of light. That doesn't mean arbitrary classical analogies (like the "thrown stone" example) hold.

In particular, consider that you can escape the earth while never achieving escape velocity. Just keep firing your rockets to counteract gravity. But if this were possible with black holes, then they would not be very interesting!

> The various local effects like time dilation, light path curving, etc... are defined by the value of gravitation force, not gravitational potential.

These are not local effects! Locally, there is no time dilation, and no curvature of light. I see my watch tick at the same rate, no matter where I am, because my watch and my eyes are in the same local reference frame.

In order to see effects like time dilation or curvature of light, you must compare events separated in spacetime. For example, we can look at the paths of light emitted by distant stars. And since the light had to get to our eyes, we have to account for the entirety of the path that it took. So the time dilation I observe for an event depends on the entirety of spacetime along the path from the event to me, not just the local curvature for the event.

In mathematical language, if you want to move a vector from one point to another on a curved manifold, you can't just specify the start and end point. The path you take affects the resulting vector.

> The potential defines the fact that anything originating at or below the horizon would never escape completely the gravitational field, i.e. never reach the infinity.

So objects originating outside the event horizon reach infinity in a finite time? Huh?
Here's what Yale themselves say about disability: (http://yalecollege.yale.edu/content/resource-office-disabili...)

> Often, the physical barrier is the easiest to remove - the attitudinal barriers are much more difficult. To create a university community, which is truly accessible to and inclusive of all persons, including people with disabilities requires the participation of each and every member of the community. Toward this goal, the Office serves as a resource and a catalyst for change by providing technical assistance, information, and disability awareness training to any member of the Yale community.
>>privatized prisons

The fact that these even exist is disgusting.

What are the board-meetings like in this kind of company?

"Okay guys, last quarter had a decrease in people put in jail. We need to increase our profits this coming quarter so what can we do to put more people in jail? Also, there's talk about losing our cash-cow. Weed might be legalized. We can't have that."

I wish someone could "accidentally" leak the discussions that go on with execs in charge of those places.
Are those 15-20 hours/week of consulting largely client-led? e.g., you're working to their deadlines and their requests? And you're getting paid for each hour you work?

I think that's a little bit different (at least in my experience) to working on a side-project where you have your own deadlines (and can thus break them), having little guarantee of making anything for your time, and can more easily make the decision to rest one night when you're exhausted rather than keep pushing forward with the uncertainty.
This is the inevitable outcome of any business where insurance pays the bill.

Auto body shops are the same way...
A similar (and undoubtably simpler, although still often infuriating) but still fun logic/programming game is Manufactoria[1].

Spoiler: Vg'f onfvpnyyl cebtenzzvat n uggcf://ra.jvxvcrqvn.bet/jvxv/Gnt_flfgrz

[1] http://pleasingfungus.com/Manufactoria/
I seem to remember that it was the snake that got every one in trouble in the first place...
I am amazed. This is the best of all possible worlds.

That's the good news. It's also the bad news.

The capabilities we have are, largely, drawn from that finite stock of petrol Emberton mentions in passing, as well as larger stocks of coal, and somewhat smaller ones of natural gas (though we've been using less of those to date).

When they're gone, there's going to be a hell of a bill for the piper.

This isn't a new revelation. William Stanley Jevons, no raving left-wing radical himself (he's a father of the "marginal revolution" of economics on which much of neoclassical economics is based) wrote of this in 1865 in a book called The Coal Question, asking what would happen when Britain exhausted its admittedly considerable stores of coal. It begins:

DAY by day it becomes more evident that the Coal we happily possess in excellent quality and abundance is the mainspring of modern material civilization. As the source of fire, it is the source at once of mechanical motion and of chemical change. Accordingly it is the chief agent in almost every improvement or discovery in the arts which the present age brings forth. It is to us indispensable for domestic purposes, and it has of late years been found to yield a series of organic substances, which puzzle us by their complexity, please us by their beautiful colours, and serve us by their various utility.

http://www.econlib.org/library/YPDBooks/Jevons/jvnCQ1.html#C... 1

Jevons notes that he's hardly the first to raise the spectre of coal exhaustion -- barely 13 years after Adam Smith's Wealth of Nations was published, mineral surveyor John Williams asked the question in The Limited Quantity of Coal of Britain.

It's one thing to admire the pleasing vista in the rearview mirror. Another to ignore the rapidly approaching cliff's edge.
Encountering my first Mac is a memory I will never forget. I also remember being blown away by the crisp screen, the soft feel, and overall polish of the thing. What made the biggest impression on me however, was the interface. I could not stop moving, resizing, minimizing windows. Playing with the preferences and making my own patterns. It was like someone handed me a finely-crafted interactive journal, where I could personalize everything. Being able to explore the fonts and move icons around was astounding. It was a whole new experience. I went home that night, and with paper and pencil began to draw graphical UIs with windows, something I continued doing for many months, until I finally had access to a real Mac.
Letting yourself get beat at chess, made fun of by talk shows or using self deprecating humor are strategies for making people to like you more. He got what he wanted, if he was just doing this to gain geek admiration.
Bayer tries to stop India replicating its cancer treatment
> Don't be afraid to tell people when you are not okay. It's fine. Knowing you are not okay is the first step to rescue yourself.

So true. I've known many people who suffered deeply, and reaching out to friends was an important step to recovery. I've experienced this myself too.

It's kind of odd, really, that we don't do this, and perhaps equally odd that we don't watch out for each other a little better. It's like we collectively pretend that we're perfectly okay, and we don't want to ruin that illusion by admitting that many are not.

If my friends notice that I eat a lot of junk food, or that I smoke too much, they'll point it out to me. But it takes a major depressive episode and/or social isolation for anyone to bring up my mental state (if at all).

Of all my friends who suffer from (pretty serious) mental illnesses, the ones who seem to have a handle on it are very open and communicative about it. That really does seem to be very important.

> But of course, luck does play in a role. Some people are just not so lucky. They don't get the nice people on their side and they die because of that...

For me this is the scariest thing about mental illness. I've become increasingly convinced that a large number of people, much larger than we're inclined to think, are incredibly fragile and not far removed from a serious mental breakdown or prolonged mental illness.

Of those people, many find help, recover, or fend off their illness because they have friends and family looking out for them, a social safety net. Strong connections where they feel safe to admit they have a problem.

I've personally seen people slip into depression and disappear from sight, only to find out later that they were institutionalized or (temporarily) homeless. They rarely fully recovered, if at all. What set them apart from those who bounced back was mostly this social safety net, I suspect. There are other factors, of course, but this one seems crucial.

And that worries me, because when I look around me, it shocks me how weak people's social connections are. I regularly meet people who can't rely on family and have few close friends. I spend a lot of time thinking about how this problem can be solved.

I grew up with very strong family bonds and in close-knit communities. If I were to have serious mental health issues, my parents, and at least some of my other social connections, would go above and beyond to nurse me back to health. I've seen many, many unstable people join a church and improve greatly through the community's care and attention.

I'd like to think we can find a way to create and maintain strong ties even in urban environments, and even in our individualistic post-religious societies, but I haven't found out exactly how yet, or what my part in this can be.

It keeps me up at night.

Thanks for your post, it really resonated with me.
and yet you still knew that to which I referred ;)

(afaik there isn't a standard transliteration but I could be wrong as I often am...)
Generate Unique images from any text
one of the most clear, lucid and scientifically literate stories about existentialism I have heard in a long time. I bow my head to Paul Kalanithi, the author:
http://www.stanford.edu/group/dlab/images/paulk.jpg
Genetically-modified purple tomatoes heading for shops
Azure has 10 times more functionality (probably 50x more really). If you want cheap then go for DO, if you want features that will save you that 100 times over by reducing development and management time then go Azure.
But it's perfectly legal for someone to decide that an adult is still suicidal when they say they are not, having them taken away and locked up without allowing them a phonecall? If that's mental healthcare in the US, I wonder what abduction is like.
> We never cite detailed statistics, and usually advise against Googling survival numbers, assuming the average patient doesn’t possess a nuanced understanding of statistics

When I was at the receiving end of that talk, this attitude made me incredibly angry. They know exactly that we will look up those numbers, they are just too afraid to have a honest discussion with us. People make very bad decisions because those numbers are discussed at forums, without the involvement of people who can interpret the statistical and medical significance of scientific studies.
PRAYERS OF THE DEAD
Different google team did quite a few AMA on Reddit, to my knowledge, most of them were semi-live/live and very effective.
Amazon cuts cloud storage prices, Microsoft immediately follows suit
> Microsoft decided at the dawn of PowerPoint that slides should be white with black text. Why?

Because at the dawn of PowerPoint, most presentations were printed on to acetate and delivered with an overhead projectior.
> billion-with-a-big-B

+1

> I, too, agree that nearly every other nation's justice system is ethically primitive.

I don't have data about my own country, but I can tell you about fundamental differences between France and Commonwealth law structures:

- Lying is only a fault in Commonwealth countries. In France, people are allowed to lie for their own defense and the girlfriend/wife too. It changes heaps. The policeman has to prove the crime, because proving that the person has been inconsistent is such and such answers won't lead anywhere. Of course, like in US, helping the police is a positive point at the trial. The "allowed to lie for your own defense" rule seems heaps more ethical to me, because it's so much more aligned with human's behavior.

- In France, you only get convicted for the highest crime and charges don't add up. If you rob a bank, use a gun without license and kill the security guard, you will get convicted for only the worst of those crimes. That also changes everything: Of course in US you use the "sum" system to frame gangsters whose business you didn't succeed to unveil, but it also means that an almost-non-criminal can be thrown for life on a few actions he did to cover a mistake.

- In France, you can plead guilty, but the crime still has to be proven, which is different from the Us[1]. I think pleading guilty is a fundamental flaw: Under the excuse of saving public money, the poorest citizen who can't afford the defense to prove their case would bargain for a crime they didn't commit.

- In France it's illegal to imply someone is guilty until they were proven guilty. That's what hurt so much the ethics of French people when pictures of DSK in handcuffs were shown before the trial.

There are different systems and, as opposed to you, I think there are more ethical rules to be found in each of them. And, yes, flaws too.

[1] http://fr.wikipedia.org/wiki/Plaidoyer_de_marchandage Sorry for the French, but the English page of wikipedia doesn't say enough.
And what changed? What things stopped worrying you?

If I believed getting killed immediately let to perfect joy, and my family would be with me in a sec and be totally happy, yeah, death wouldn't bother me at all. I'd probably try to get us all into high risk jobs and locales, too.

I've got the peace that a process that's going to segfault has. At least I know the OS will close my sockets for me.
Rozijnen kunnen tandbederf voorkomen | Leef Nu Gezonder
I'm stupid. Of course, thanks.
> What can we do to not get sued?

I don't understand why this is a bad thing.

Lawsuits are society's way of telling organizations, "don't let this happen again".

So, let's assume, yes, this college is worried about a lawsuit from the girl hurting others.

You assert, "those jerks, they're only focused on avoiding a lawsuit and covering their ass."

Well, yes, because society has told them "if you let this girl/other students get hurt because you ignored an obvious threat to their safety, their parents will sue the hell out of you".

So, in reality, the threat of a lawsuit is, by proxy, actually protecting the other students. How is that a bad thing?

(Frankly, I would give Yale the benefit of the doubt, and assume they were directly concerned for the safety of this and other students, instead of only concerned about the lawsuit, but, either way, the results are the same: no one got hurt, she got help she needed, and she's back.)
For anyone who has no idea what this is: http://en.wikipedia.org/wiki/Nintendo_World_Championships
Ask HN: What's your single biggest problem with software development?
Some examples - server management, deployment, choosing the right framework, hiring the best talent, designing database, etc. Would love to hear some extended answers too.
I am really surprised that you are using SA as ORM on MSSQL (sorry, since I don't touch mssql :) and most people I deal with are either MySQL or Postgres users).

> A good ORM helps you to generate the exact SQL you need.

Right, but sometimes it's the driver that behave badly. (One of those days when I claim to have free time I should dig deeper, do a good performance analysis.. one day...)
I actually partially agree with you - in that my comment was heavy handed and overly snarky. I think I rightfully pointed out how ridiculous the original poster's comments were (at least from my perspective, and I believe the point of this site is to express opinions). I think calling someone out for ridiculous opinions does have value, just as you calling me out has value.

No need to curse, you made your point. It would've been more powerful without the curses in fact.
I have to say: I've done user testing with (probably hundreds of) users over the years, and I'd say the majority (anecdata) of users never type a URL or use a bookmark - typing 'facebook' or 'gmail' into Google is a very common thing. Incomprehensible as this may be to us nerds, it's a very real thing.
>So really his problem isn’t with PowerPoint then is it? It’s with how the enterprise uses PowerPoint. What he’s really criticizing is not PowerPoint as a tool, but rather the default use of PowerPoint by an old guard.

Well, thank you Captain Obvious. Since he uses slides himself, it's obvious he is NOT criticizing it as a tool.

That said, it's not "the default use by an old guard", but the "default use by almost everybody, period".
It reminds me of that scene in "In the name of the father" which shows how one of the lawyer got access to some exculpatory evidences on a blunder from the "archivist". That and the "torture works to extract information" mentality pictured a frightening dystopia. Except it was not a dystopia and actually took place and still does in some part of the world.
> The concept of sexuality being fluid can be a touchy topic ...

I sometime wonder if sexuality is fixed and if a gene is found for it (and hence a "cure" is available) that the bigots and crazies would be even more vocal.
Winters are shorter, but the temperatures drop much lower than in Denmark, anyway (perhaps not colder than Finland). Here are the nightly low temperatures in Chicago for the next 5 days: -17 C, -20 C, -25 C, -22 C, -13 C. I have never seen temperatures like that in Copenhagen!

Granted, in an average week Chicago won't be quite that cold, but in general its winter weather is pretty harsh. People bike to work all winter in Copenhagen, which would be unthinkable in Chicago weather (even if the city had better bike infrastructure). I actually like it being moderately cold and snowy, but -5 C is about my limit.
Detroit's early draw was its access to transportation and raw materials: iron ore, coal, the Great Lakes and St. Lawrence Seaway. For heavy manufacturing, these were all advantages.

San Francisco has appeal for weather, scenery, and an excellent harbor. Disadvantages include earthquake hazard, and an increasingly unreliable water supply. The latter isn't critical yet, but could well be.
"Wanted" Lil Bad Azz music video
The price seems super high. It's not in great condition and more rare games have gone for less fairly recently.
I think most cops and prosecutors are good people. "Those who torment us for our own good will torment us without end for they do so with the approval of their own conscience."
there is a marquee tag there and I can't see anything else.
The guy in the above mentioned 'lets play' videos says that the DOS version (he has) has a bug which lets you use the soldering iron in the tutorials but not in the actual game.
The "reasonable accommodation" for someone with suicidal/self-harmful thoughts and actions (active cutting) is sending them to a psych ward for treatment. Which they did.

If a person in a wheel chair had their legs bleeding out, would it be discrimination to send them to the hospital for treatment? Or just the right thing to do?

If anything, they were exactly the opposite of discriminatory, as post-treatment, they let her (now with the "mental history" label attached) back in, right?
Well, at least he gets free shipping.
Non-US resident here. I found the treatment of the OP appalling, but I have to ask: what's the deal with schools doing this stuff? I'm a PhD student at Tel-Aviv University, the medical services we have on campus are limited to a couple of nurses and maybe a doctor or two, for urgent cases or when you just need a band-aid. Last time I went to the medical "facility" (which is really a couple of rooms), I was told to schedule an appointment with a doctor outside the university, and that was it. So no one at the university even knows about any health issues I may have, and certainly not treats them or evaluates their severity.

Sexual harassment is indeed a problem, here as well, but again I wonder why not go to the police? At least here, it's a criminal offense. Not that students go to the police, but why don't they?
>Your rebuttals on the other hand, seem to have retreated into a defence of personal computers in general.

Well, the personal computers in general were lead into the path by the Mac -- the GUI, the image/video/editing capabilities were first emerged in a usable form there (with the notable mention of Atari (for MIDI) and Amiga (for graphics), though those were more fringe machines.

It's only around Windows 95 that PC people started getting into this game on somewhat equal footing (and worse usability for quite a while afterwards).
> Things weren't always alright but I did get a break when I needed it. I went to the Department of Undergraduate Health after having really bad headaches, like someone was stabbing me in the forehead.

Perhaps the fact that headaches are not generally seen as mental illness (and/or instability) plays a big role in your experience compared to that of others. I think the approach to mental illness is very different, both by those suffering from it and those responding to it.
This might just be the scariest game i have ever played.
you could check out http://paperjs.org/ too, was originally a plugin for ai
There is almost certainly a majority that Google google.
You should invent bets. If the prosecutor bets the evidence is useless and it the defendants gets the opposite, we unveil the evidence and if the outcomes turns over, the prosecutor gets double the penalty the defendant would have taken.

The upside is, it won't affect trials where the accused is guilty. But it will affect trials where the prosecutor is.
Definitely agree with setting a deadline. I set a 3 month deadline recently for a large side-project and we're just about ready to launch on schedule :)
Game collecting has become a thing lately and the more rabid collectors are, frankly, idiots.
Never played the game, but reading about this reminded me about how awesome my life is. There are so many great games and other resources out there. I just started to brush up my math on Khan Academy for fun.

While it is commonplace to complain about the youth an how spoiled they all are we should remember that young people today have a plethora of ressources at their hands and if pointed into the direction of the nearest hackerspace, or community garden or similar open and encouraging environment, they can do and learn whatever they want.

All we as parents and grown ups have to do is to point them to these opportunities and to encourage them to explore their talents.
Speed dial 2 - Ultimate new tab page for Google Chrome
But it doesn't remove the need for evidence. It actually allows more evidence to be produced and weighed.

Do you have an argument for why the this corroboration rule, that no other country has, is actually a good thing? I'm willing to be convinced if there's a reasonable argument in favour.
http://queue.acm.org/detail.cfm?id=2371516#sidebar

Doesn't sound like an organisation that would miss services going down even briefly.
Yeah, "In 2011, the same game sold at a charity auction for $11,000 (£6,600) - but it was in better condition."[1]

[1] http://www.bbc.co.uk/news/technology-25878678
http://offer.ebay.com/ws/eBayISAPI.dll?ViewBids&rt=nc&item=2...

Why would someone bid multiple times when they already have the highest bid?
Not sure if someone will fork out 100k for a dev build of Angry Birds in 20 years from now.
Co-ed, subscription based startup wants your giftcards
Measuring nothing (with great accuracy)
You could say the same about arts, mangas or Pez dispensers.
Having owned and sold a large Super Famicom and vinyl collection I can definitely say that collecting is (was) way more fun than owning.
in web server i have read that using nginx as your front static file server and apache as backend server is best choice ? And also can you tell which is better Linux for server REHL(CentOS) or Ubuntu , as REHL provide out dated softwares but Ubuntu is cutting edge ?