skysight-inc/HackerNews huggingface dataset:
I can confirm that videos, articles, images, 404 pages are all served by a CDN. Our 404 pages were not cached by the CDN. Allowing them to be cached reduced the origin penetration rate substantially enough to amount to a 66% reduction in outgoing bandwidth over uncached 404s.

Edit: This is not to say that our 404s were not cached at our origin. Our precomputed 404 was cached and served out without a database hit on every connection, however this still invokes the regular expression engine for url pattern matching and taxes the machine's network IO resources.
Antiquated? but HL7 is XML!!! ;) The barriers to entry are pretty high just to have a baseline solution, and then you have to figure out how to reach the few people that have decision making authority to implement this kind of system. A lot of interesting things were discussed at HIMSS, very exciting things are happening in this space.
Despite how readily we poke fun at the answers given on the linked page, I found it interesting that I had to drill down this far to find a satisfactory answer.

I liked the explanation given by my high school physics teacher: in the end, it boils down to frame of reference -- since both the moon and the pen are in orbit (aka perpetual free-fall), the earth's gravity basically becomes "background" to the situation and has no effect on the relationship between the pen and the moon.

It's not the concept of gravity, the mathematical formulas, or anything else that's really hard to grasp. Looking at things from the right frame of reference is hard, and not just in physics either. I struggle with this in my daily work, even for simple things like getting widgets to align correctly relative to each other.
Git is awesome. We owe Linus TWICE now.
On second look at the question, it doesn't even reference the moon explicitly:
"If a pen is dropped on a moon..."
The "heavy boots" link at the bottom of the page is even more... interesting.
Hi Json, I'd hope I could buy one here, from China!
Pardon? I did not mean to offend you. I apologize.
The technical issues are challenging, but the problem space is intrinsically motivating if you "believe in" the space. EHR is one of those rare opportunities where you can "do good" and be rewarded for it. Further, there is a HUGE amount of bizdev that goes into partner integrations, and you basically can't meet "meaningful use" (a requirement for ARRA money) going it alone. HIPAA compliance, security review, and on and on. Learning about the way healthcare really works in this country has been incredibly eye-opening.

Thankfully, I work with really smart people who are all motivated and our company has a few unique strategic advantages. If any great rubyists want to join a company that is iterating our test-driven way to launch, my contact info is in my profile.
Retract the fangs, mate. You're not the guy at Facebook pulling the trigger on these decisions, are you? Yes, yes, it's just a script, duh. I just like to move the pieces on the board a few steps at a time. I like to follow the "Don't sweat the small stuff" philosophy as much as anybody but the slope is slippery and someones gotta say "Hell no."
Yes, there are a ton of sites out there running terrible software that doesn't fit how they use it. phpBB and vBulletin are a scourge on the internet's communities. There's tons of mediocre Drupal installs out there, and generic blogs where the clueless master just posts regular 'open threads'.

But I'll be damned if I can't think of a worse fit for any of these people than a SO-style QA-wiki. The last thing they need is fucking badges!
here is one of the coolest FB connect promotions I've seen yet: http://www.imheremovie.com/

It's not just the trailer either, it's the whole movie, but checkout the experience, and hopefully you have some people you don't mind inviting, because that actually enhances it.
When people scenario-monger about economic "attacks," you mostly find that they forget to consider the other side's position.

Cutting off oil production (Iran, UAE, Venezuela, Saudi Arabia) is something you hear every so often. These are all countries where oil is most of the economy, virtually all of the exports and the state/king directly controls it.

Take Saudi Arabia. Apart from continuing to directly feed the public with grants, subsidies and giveaways, Saudi Arabia has tens (or maybe even hundreds) of thousands of royal family members, religious elites and tribal leaders relying on money from selling oil. Cutting off oil is impossible.

Sure China has the theoretical ability to hurt the US economically. But the US has an even bigger economy and just as many ways of pinching back. Besides that, there is no such thing as a pinch that doesn't hurt the pincher.
I had totally missed Con's return from self-imposed exile. Very exciting. I loved his previous scheduler work. Glad to see him back at it.
YouTube Movies: The Earth Stopped Revolving
First, the point of that is to reduce the number of applications.
Second: Apple is much larger then Nintendo, so they have the resources for sure.

Anyway, the free approach of the android market is the best way, in my opinion. Oh, and also, that "free" model has worked for quite some years on PCs, Macs and every other computer, so why shouldn't it work just as fine on a mobile phone?
Hey, looks great! Suggestion: small search box on the main page (like SO). It's my first port of call.
Download Avira Premium Security Suite 10 with 90 Days License
Isn't this the same idea?

http://en.wikipedia.org/wiki/Facebook_Beacon
Most likely the transferred size, including gzipped content encoding.
Leaving USV and Next Steps
The better ones may, but perhaps not for all pages. Generally, when viewing logs I see search engine spiders make a single request, for only the html content and not js or css.
Do they really even have a trademark case here? It seems there's very little likelihood of confusion between "Facebook Purity", a Greasemonkey script, and "Facebook", a social-networking website.

If it were a violation, then the hundreds of Greasemonkey scripts that use the trademarked names "Wikipedia" and "Google" in their titles, to indicate that they somehow change the display of Wikipedia and Google, respectively, must also be running afoul of trademark law.
Steve Jobs Fires Up iPad for E-Mail
As someone with a degree in astrophysics, that was extremely, extremely painful to read. My favorite was, "It shouldn't float away just because I've never seen it happen".
> The fact that this does not make it possible to keep exceptions from being fatal is a limitation on how strongly exceptions are handled.

Maybe I'm missing something, but this does allow you to keep exceptions from being fatal using defer.
What struck me was the opposite, like raquo pointed out elsewhere: this is eerily non-Orwellian.

Virtually no euphemisation, no wink-wink double-think. No figure it out yourself using your subtle semi-conscious understanding of the party philosophy. This is strangely conscious and straightforward, cold.

I wonder what Orwell would have had to say about this.
Evidently reading the question is hard too as everyone here and on the site has missed it:
"If a pen is dropped on a moon" Not the Moon.

The moon in question could be Phobos, Titan, Europa etc
twitter was a great pic, foursquare as well.

square and blippy I don't get.
Yes, but then you'd have to consider the gravitational effect of Mars/Saturn/Jupiter. What happens to the pen then?!?
Thanks for pointing out that :)
Thank you, well said. To me, the poem is all about the slippery slope.

What was the conversation like before, during and after the DMCA went into effect?

Where is the outrage over the fact that nowadays you can't fast forward past certain parts of a dvd/bluray, no not the FBI warning, but the publishers advertising.

Maybe International Paper Co. owns my thoughts because I write them down on their paper. Maybe BiC does because I use their pens. Maybe Ford should get some of my paycheck because their car gets me to work. Obviously none of this is true or real but maybe it's neither because those companies don't have that kind of mechanism of control. There are so many potential ways to control the future of information it's scary when you stop to think about it. Heck, Disney controls Mickey Mouse decades after the original creators death. What is scarier here (unlike my examples) is a lot of this content is not even created by FB. It's user generated content!

All I'm sayin' is a few of these companies get together and fund a lobby or two, soon enough we've got all kinds of freedom curtailing laws and then it'll be... too late!
Maybe the title of this post is misleading....you guys are not "taking on" stackoverflow, you're actually taking on "stackexchange", such that it is cheaper, and also doesn't suck?

Duplicating SO makes no sense to me, duplicating SE makes a lot of sense to me.
It's not like it is complete nonsense. The earth is bigger and more massive and has a stronger gravitational field so in principle it is possible for the pen to float towards the earth, the pen would have to be a lot higher than a person's height but it could work. Anyway, I'm getting off track here. A while ago I read about David Hestenes and Eric Mazur and their experiments about students' intuitive understanding of physics before taking a physics class and after taking a physics class. These results are perfectly in line what Hestenes and Mazur discovered and both of them are excellent teachers. So it's not just the teachers but the way the classes are structured as well.
That's interesting. I just finished a biography a friend of mine wrote about his life as an accidental cheese-seller, and he mentions that he became an expert in just a few years, simply because he tried everything every vendor had to offer. Pretty soon he was at least as expert as any vendor, and often more knowledgeable.

It's funny how much of life is just about putting in the hours. Maybe we'd like to think it's about talent or brainpower, but data wins pretty much every time.
The right answer is so obvious that a student who has been well-prepared by years of instruction to spot tricky questions will immediately assume that it cannot be right.

Here's another fun one: A student is standing on a rock orbiting a stellar body at a distance of eight light-minutes. The stellar body is much, much more massive than the rock. The student drops a pen. What happens to the pen?
I wonder what sort of guidelines political parties in the US send to their friends in newspapers?
I used to teach Physics. This is actually a misleading problem for people over-think the problem (but do not have solid understanding of Physics fundamentals).

The problem can be easily answered by using a thought experiment. Unfortunately many of such techniques are usually not taught in classes unless you are a in a Physics class for Physics majors.
I showed Redmine to a group of guys that does vending machine maintenance in the local area. They just stared at it for a few minutes as the ramifications sunk in and then asked incredulously "does anyone else know about this"?

They use a cork-board.
Pair Programmer
Check out Smartgit.
The Wall Street Journal's front page interview of Sergey Brin is a must-read if you haven't already seen it.

China has "made great strides against poverty and whatnot," Mr. Brin said. "But nevertheless, in some aspects of their policy, particularly with respect to censorship, with respect to surveillance of dissidents, I see the same earmarks of totalitarianism, and I find that personally quite troubling."

http://online.wsj.com/article/SB1000142405274870426650457514...

I gotta say, Sergey Brin has my total respect right now.
It will still be attracted, because all other gravitational forces apart from the gravitational force on that moon will be negligible.
When an exception is thrown in a goroutine you climb the stack and any defer can trap the exception. However if you climb the stack of a goroutine to the top and there is no defer, you'll exit with a stack backtrace. So every goroutine has to have a defer if you want protection.

The problem comes in the fact that goroutines are considered cheap and are launched for all sorts of reasons. Sometimes in large numbers. If even one of those goroutines does not have a defer set up, then an exception can crash the program.

The use case I'm worried about is a webserver. In serving a web page I generally am happy to throw an exception, let it be caught at the top level, log it, then return a 500 page, internal server error. Watch your logs, fix the bugs, and release better software. However if you take this strategy with go, then the careless application programmer can accidentally take down the webserver.

What I'd like to be able to do is have a smart person set the webserver up, and then be able to let more junior programmers write code for an application on top of it knowing that there are some limits to the likely damage that they'll do.
The grip Nintendo had on publishers in the US in the 80s was dreadful, as well. By demanding exclusivity with publishers for the US, they ensured that the Sega Master System would stay marginal in this market. It's a shame, because the SMS hardware was superior in every way to the NES.
You have to do that for every goroutine that is launched.

There can be a lot of them.
I found that summary wholly unconvincing, and very disparate from how I might summarize the arguments.

I guess that's just how these things go.
IMVU is sponsoring 8 people and will pay the full price of the conference: http://bit.ly/cNrkmA
This particular link is a perfect troll — the headline stabs at your WTF button, then the comment linked to has zero context clarifying the reasoning but tons of technical details that fuel the nerd rage — people were so trolled by the perceived linkrot and cache problems that they didn't even bite at the obvious SQL & ORM bait!

I don't think you can fix this with code, much less your usual tactic of adding heuristics to moderate/voteweight/ban.
Yours and a thousand others! So many people have thought of The Like Button For the Interwebs. This is why ideas alone are pretty much useless...
I'm only a single data point, but you've lost me because I have no idea what gravity is upon first glance at the site and I don't want to watch a stupid animation of stick figures talking gibberish.

Make it really obvious what your site does or keep making inconsequential first impressions.
According to Wikipedia, the terms "moon" and "satellite" are basically interchangeable. There's some use of the term "moonlet" for very small bodies but there isn't a defined size you have to reach to be officially a moon (unlike a planet to the disappointment of Pluto fans).

So drop your pen in a dusty part of Saturn's rings for example and it might be the biggest "moon" around and start attracting smaller bodies to itself.
I think there is a need for more social analysis of all these technologies and the possible long term consequences. Most people have a very limited view of the world and technology is supposed to do the opposite by opening up avenues that we wouldn't have explored because of high entry barriers and whatnot. A malleable social graph seems to be a step in the wrong direction. My view of things is limited and myopic and I don't want emerging technology reinforcing that habit by actually adapting to my current habits and regurgitating it back to me.
Yes, I know. I was trying to be sarcastic. :)
Oh! I know this one!

It hangs from the chain that attaches it to the desk to keep it from being stolen even though the bank is "too big to fail".
Not a well researched article. It states that Apple was in desperate need of cash when Microsoft invested $150 million. In fact, Apple had a few billion in cash at the time.
yeah, if on vibrate the phone will only vibrate once. Makes a lot more sense to call the phone with another phone (if you have one available).
You don't need to know anything about physics to get this right. You just had to have seen a video of people walking on the Moon to realize that when they're bounding along, they don't shoot off into space or float in mid-air.
Or even http://3.bp.blogspot.com/_g7KcbMxmLEU/R4-JxU_YZgI/AAAAAAAADC...

I've seen people drop pens on to moons like that, and can confirm that they fall to the "surface" pretty quickly. (Sorry, I'll be back off to Reddit now to say 20 Hail Marys.. :-))
>Why, in the "leader of the free world" are individuals not free to care for themselves? Prescribe their own medications? Order their own labs and CAT scans and the like?

Uh... Dude, I would never prescribe my own medication. Unless you yourself are a pharmacist or physician it would be insane. Best case you get better (long shot), more likely placebo/neutral, worst case suicide. The best you yourself can do regarding self prescribed meds is whatever you can get over the counter at CVS. Also, according to my MD brother, half the reason we are in the predicament we are in is what is known as "defensive medicine" which he describes as performing unnecessary tests, "CT scans and the like", on the 1% chance that it might be helpful - specifically to curtail any potential malpractice.

Face it, there is a reason people can not self prescribe, self order tests or conduct their own operations. Although you would like to blame the AMA (and I do fault them for the lackluster MD minting volume), by and large non healthcare professionals don't know what the hell they are doing/talking about.
I cannot understand how you could get this question wrong. The Apollo 15 Astronauts dropped a feather and a hammer on the moon and showed they both hit the moon's surface at the same time.
http://www.youtube.com/watch?v=5C5_dOEyAfk

You don't even need to take the class to know the answer is C.
To some degree, I think this type of thing happens when you ask a simple question in a class where its not expected. People start over thinking and confusing themselves.

I just asked my friend the question (since I wanted to send him the link) and he started asking all sorts of follow up questions because he couldn't believe I'd be asking him such an easy question.
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Blog about makeup, product reviews and fun beauty Diy tutorials
Sure, but there will always be people who want or need a great site not just a site (or even a pretty good site), and the former will probably always be much harder than the latter and demand some amount of skill no matter how good frameworks get.
[Unlike] is not [Dislike].
Hey, but couldn't the same argument be used to claim that tides shouldn't exist? The Earth orbits the Moon as well.

That bothered me. So I checked Wikipedia:

Thus, the tidal force depends not on the strength of the lunar gravitational field, but on its gradient (which falls off approximately as the inverse cube of the distance to the originating gravitational body).[4] [25] The solar gravitational force on the Earth is on average 179 times stronger than the lunar, but because the Sun is on average 389 times farther from the Earth, its field gradient is weaker

So the distance does matter, it seems. Can anyone figure out under which conditions a pen doesn't fall to a moon?

The rotational speed matters as well. If a planet were to turn fast enough that the centrifugal force is stronger than the gravitional force, it would shed matter, and a pen would be first to go. (Do such bodies exist? Anyone knows? Presumably, it would have to be solid to stand a chance)

[This is all quite off-topic, of course. Yay for random thoughts on physics]
But you offered themes as a solution to a statement about UI quality, which is it not. Also you don't have to do what your users ask for, saying no to bad ideas is important.

Your not alone, the chromium team should have said no to themes as well.
That "irrationality" is fundamental to many types of enterprise software, which is a big reason why most of it sucks. You're codifying hundreds of years of established precedent, often heavily legally regulated in slightly different ways by all 50 states (not to mention foreign countries). The more established precedent there is, the more history in the industry, and the more regulation, the harder it is to write decent software.
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You keep using that word. I do not think it means what you think it means. -Inigo Montoya
I work with DICOM more than HL7. DICOM is very frustrating, especially because the task it tries to solve could be so easily done. I think DICOM-related products (an open stack for equipment vendors, various PACS and other tools, etc.) would be easy projects to get to baseline.
The Dispensability of a Developer
In particular, anyone who wants to sell a complete EHR product will generally need CCHIT certification. That isn't easy or cheap even if you have smart developers and good tools.
http://www.cchit.org/certify/2011/cchit-certified-2011-ambul...
I don't find these answers surprising and I don't think it signifies anything about 'teaching physics'. I'm a physics graduate and, well, it's all just not very intuitive. Here's a more interesting question to ponder: when on the moon, can you throw a pen hard enough towards earth for it to pass the Lagrange point (where Earth's and the moon's gravity are equal) and, eventually, fall towards earth? This sounds like a plausible option, even to me. However, when you do the math, you will find it is nowhere near possible. I should immediately consider the idea ludicrous, but I don't. When things differ, we tend to exagerate the difference. These students are mistaking 'much less gravity then earth' for 'almost no gravity', while not realizing the importance of 'no atmosphere at all', while thinking of feathers, while doubting themselves and expecting a trick question.
I think he thinks that it means secretary :)
They are looking for the ultimate speech recognition human-ware.