skysight-inc/HackerNews huggingface dataset:
Absolutely, people have been studying motivation theory for decades. Making up 'stories' might help, but without any supporting evidence or research it seems mostly like pseudo-science to call this the 'Psychology of retention'.

For instance, how many people did he poll? Where did they work? Are they representative of the startup phenomena as a whole? What question was asked and what were their verbatim responses?
Argh, 20-year high school reunion coming up. 10-year didn't seem so bad, 20-year means OLD.
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I personally like that 4 chan has done so well. I didn't expect that it did as well as it has. Also, I like moot's position on anonymous identify.
Your post reminded me of an article Steve McConnell wrote in 1996 about consulting at Microsoft.

"While Microsoft was still involved with OS/2, the OS/2 development group requested that the company install a washer and dryer in their building so that they wouldn't have to go home to do their laundry. Although the group never got its washer and dryer, the message was clear: this team wanted to work. It didn't ask for promotions, more money, bigger offices, or fancy carpet; it asked for management to remove every conceivable roadblock so that it could concentrate on shipping a product."

Source: http://www.stevemcconnell.com/articles/art05.htm

Perks are an effective retention strategy only if they enable an already motivated employee to get more work done. And for the employee to be motivated, the work has to be rewarding.
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>Or do they have to channel the power into heaters each evening?

AFAIK, No. The battery generates 2kw of heat in addition to the electricity, so I dont think the rover even has any heaters.
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I too think this is an advertising play.

Amazon is really building an advertising and tracking ecosystem with it's store, it's tablets(and maybe smartphones) and it's tracked browser, it's video service and it's groupon clone and now this social game.

Online direct advertising is great but: Online advertising haven't had much success in brand advertising. having control of a big advertising ecosystem together with complete knowledge of the consumer in store behavior lets you measure the long term connection between a highly targeted ad and in-store behavior later on. Basically solving online brand advertising.

Having such a huge advantage could be a powerful weapon for amazon against brick and mortar stores.
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Yes, I agree with this. 20+ sentences seem redundant - anything more is basically a life sentence.

Don't know if you're from Norway, but Norwegian criminal law has a distinction between 21 years, which is the maximum sentence permitted by law, and "forvaring", which is explicitly defined as additional, indefinite custody with the express purpose of protecting society from violent criminals which have a very high risk of doing repeat offenses.
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Considering the somewhat objective nature of a lot of 4chan's content I am surprised it is where it is now. Very interesting article, I really enjoyed reading the history behind 4chan, will be interesting to see where the site heads next.
Why not recursive? Use the following command if you want to have one directory per idea, rather than a single file:

find -type f -print0 | xargs --null ls -ltr
> if I had to write my own Mars-landing controller, I would use C. No doubt there.

C is a good choice for code generation, as a replacement for Assembler. But I would never dare write mars landing code in C directly.

I guess the curiosity team used several languages destined for a 100% verified C compiler for a well defined subset of C.
parseAddress =
let hexStr2Int = Prelude.read . ("0x" ++)
in do start <- many1 hexDigit
char '-'
end <- many1 hexDigit
return $ Address (hexStr2Int start) (hexStr2Int end)

Or in applicative style (using attoparsec), which I like a lot more than the monadic style,
because you can read it quite literally from the left to the right:

parseAddress = Address <$> hexDigits <*> (dash *> hexDigits)
where
hexDigits = string "0x" *> takeWhile1 hexadecimal
dash = char '-'
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Moot really deserves praise for sticking around for 8 years and keeping the site running. I can imagine a lot of people giving up after a couple of years.
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HAProxy isn't designed to serve thousands of different virtual hosts. If you have a handful of different domains, that's fine, you can use some ACLs on the HTTP "Host:" header to differentiate them; if you have thousands of apps, and need an easy way to reconfigure dynamically, Hipache is more appropriate.
You are tone deaf if you don't realize how rude and condescending your own posts are.
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Yup. The 3 satellites will be used for primary communication along with an X-band transmitter on the rover itself to talk to earth.

Edit: Link (communications): http://en.wikipedia.org/wiki/Curiosity_rover#Specifications
Anyone know 4chans main revenue streams? How's he paying for all that hosting? Donations?
'Application-specific' is IMHO not just a friendly but a misleading name. They are simply not application-specific.

Using one of these so-called application-specific passwords, you can delete calendars, mails and contacts. That is critical enough for most users.

An additional concern is the usual 30-day authorization you give in order to avoid entering your 2-factor token again and again. Is there any way to de-authorize such a 30-day authorization?

Anyway, I don't rule out that my perspective might be too strict. For must users, the whole Google 2-step authentication system is probably a very important step towards improved security.
I create mobile apps against a REST backend on GAE and I use just basic authentication over https for authenticating the users. I sha1 the password and compare against a sha1 value in the database. Simplest there is but maybe not as secure as other alternatives, but I have not found any big problems with this. Please tell me if I am missing something vital. Have bought a book about OAuth but have not opened it yet. :)
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I'm pretty sure it all comes from advertising.
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I am not sure I grok the code, but I think something along the following lines would work:

- a 'recovery' list of (object pointer, old refcount) pairs
- whenever you allocate something, add (object pointer, 0) to the list
- when you update a reference count, check whether the object is in the list.
If it is not, add it to the list, thus remembering the original refcount
- whenever the code decreases reference count to zero, add the object to a
'to be deleted' list (this could possibly be a linked list chained through
the 'refcount' fields; the old refcount will be in the recovery list)
- when the parser reaches toplevel without longjmp, clear the first list,
and delete any objects in the 'to be deleted' list.
- when a longjmp occurs, walk the list and reset reference counts. For
zero 'old refcounts', delete the object

Elegant? Not really, but with proper macros/functions, it should not be much less elegant than reference counting on its own.
Our Greggs has a card terminal, McDs do too now but most people appear to pay cash.
My grandma and I are psychopaths
Having OAuth or Two factor in Google Talk/Chrome or any application based login system shouldn't be THAT hard. Along with your password, there should be another text field stating "OTP" or some other friendly name.
That reminds me of discussion on desktop security where often root access is seen as they holy grail – while the potential for damage with simple user access gets ignored …

2-step authentication is great but the (wrongly) so-called application-specific passwords are definitely the weakest link in the chain. They do not allow for a full takeover of a Google Apps account but there is still a lot of damage possible.
As I was reading that post, I was screaming "moot, make a questions board!". And then he actually revealed he was making /q/. Heh.
Quote from the article:

Yet somehow we made it into 2009, and things began to look up. Long plagued by an inability to attract mainstream advertising, I partnered with an individual who took over representing 4chan's ad inventory, and for the first time in years the site began to break even.
I've tried turning it on multiple times by using an iPod Touch, but I can't figure it out. The support article says the device is supported but the actual page only asks me for a phone number. Either I'm being obtuse or the steps for non-phone users aren't very clear.
Much of it Adult, too, since it is, well, 4chan.
Ask HN: How to have my single page, ajax hungry, app rank in Google?
I am working on a site with a friend, we both coded a lot(3 months), learned a lot(backbone.js, GAE, etc...) and shipped an "Alpha" version of our site.

I assumed the SEO part of it mainly because I like it, I don't have any experience whatsoever besides some good books and my curiosity about the subject.

Now almost 90 days after the "launch for friends" we are in need of some advice.

How can I rank my single Page app that is almost entirely empty when google BOT scans it because we use AJAX like crazy ? It's mainly a JS map with some search fields and very few keywords on HTML...

I am seeing no progress in google besides the very careful link building. (At least I think so.)

I would love some advice from you guys.
I find that "the only card accepted everywhere" very amusing :) I spent 5 days in Berlin recently and I found lots of places that either were "cash only" or they only accepted "Maestro" cards.

I had two Visa cards that I couldn't use, so frustrating.

EDIT: typo
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That is not possible with the current 2-factor authentication system. App-specific passwords are only called 'specific', they are not really app-specific, i.e. you can use them with any app you like if 2-factor authentication with a token has not been implemented yet.
It's a shame they don't just give up on comments completely. With rare exceptions like this one, they add nothing.
They aren't giving up enough information for anyone to use the credit card (which is your card provider's and Amazon's concern). They are only giving up information which Apple foolishly accepts as top-secret. The final four digits are printed on pretty much every receipt I get, and even using a shredder won't often separate them. TBH, Apple's reliance on the credit card number at all (let alone the last four digits) is pretty silly.
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I was aiming more for app <-> app authentications more than app <-> user authentication, but in your case I would definitely use at least a salt for your sha1 hashed passwords.

oAuth seems to have quite a large pool of samples and classes here which I found useful; http://oauth.net/code/
They seem kinda desperate with all their recent plans. It is such a shame, they make good money and could really make a difference with more patience.

Online Gambling? What a joke.
I have also had this happen to me--I am part of a fairly large company on github, so this means that suddenly I don't see anything in my strema except for posts about that company, so I had to unwatch nearly everything in it, which I would rather not have to do.
Thanks for your feedback. Meanwhile, I've added some pictures and a video of the printer. A more extensive video should follow soon.
i would say government at a guess
The thing that strikes me is how... Ubiquitous as it is, and at the same time, unknown to so many more. "Browsing 4chan" truly is the "reading Rolling Stone magazine" of its day. And somehow, it retains that while being huge.

I say this as someone fired for visiting it[1], and finding it impossible to get a job in the news industry a year later. Now, the news industry is hardly considered cutting edge, but people hear "now, the site has pornography, but-" and that's it. (Especially in this employer's market!)

Conversely, I applied to two tech companies over the past year, and being forthcoming as I am, I share this with them. Both were mystified at my being fired for visiting 4chan. ("What? Where do you LIVE?")

[1] I found out about the site from news coverage years ago (the NFL thing; "Don't mess with football!".) As Anonymous rose, it became interesting from a news standpoint. And yes, I casually just visited as well. I understand many consider this fire-able, and don't argue. That's kind of my point though, that divide.
As they stand currently, yes. I feel like making a blog post about it.
So, according to you, which one has more chances of getting used in a future popular app or framework?
Apple, Amazon, Google, … Net Security is Completely Broken
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Indeed, I've tried alumina, but any other powder materials should work. Creating a solid part is done by sintering or fixating (e.g. with resin)
I must have bad luck so far then. Can you remember examples?
May be a valid use case so long as you know what you're doing, and if this works for you, that's great. Though, considering the fact it's generally a bad idea, advising people to break the rules should probably be qualified with a serious disclaimer when presented in the comments of a post appealing to beginners...

> ...small shared library files that don't justify their own package.json...

Generating a package.json + dependencies is a 30 second job with npm init + npm install --save + npm link. I follow a similar pattern to you when developing inside a single module, where I start growing module saplings in a ./lib folder to spike on ideas without the overhead of totally decoupling from the parent, but as soon as you need to share that code around and put it into your $NODE_PATH, you've got to decouple it anyway, so really you're effectively 30 seconds worth of work away from creating a real module anyway, and thus you could do away with your custom $NODE_PATH.
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Oh no, I totally understand your first reaction. Hopefully, others will pick up the project too and start experimenting and improving the machine. And one of the reasons to get people's interest is to make it all nice and shiny. As you've mentioned, a new 3D printer is announced almost every day, but 90% just looks crap
Iranian state goes offline to dodge cyber-attacks
So let me answer the question behind the question first, which I take to be "I don't live in the US, but would like a US bank account":

http://www.kalzumeus.com/2007/08/15/banking-for-the-uisv/

Now to answer the question you asked: I have lived in Japan for my entire adult life, but prior to that I grew up in the United States. I routinely use my former address, which my parents still live at, for business purposes. Even if it weren't trivial for me to open accounts online, I would still have accounts in good standing from e.g. my college student days, which are sufficient to bootstrap me into a customer relationship at any US bank.
Am I right in thinking that Facebook is an American business doing something in another country which is illegal in the US? Internet gambling was banned in the US, right? And that's fine with US authorities? But if a foreign business, like say Megaupload, does something which is illegal in the US, but in a foreign country all hell breaks loose.

So:
US company + breaks US law + foreign country = OK
Foreign company + breaks US law + foreign country = not OK

Is this not a double standard? I mean, Im still not seen google's torrent search being attacked by the FBI or who ever.

Don't get me wrong here, I don't support laws banning gambling, and I'm all for facebook, or who ever, having gambling operations where they like, but it doesn't sit right give the over all context at all.

Must have missed something, cant imagine US authorities really behaving in such a biased way.
Very nice effect... starred.
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Online gambling is a pretty fat market, worth over a billion bucks a year. You say joke, businesses say smart. Essentially turning users into actual profit. And for once we get something back instead of just being a marketing platform

Certainly not expecting Zynga to take this lying down

Sorry, I misread your comment. :redface
That's pretty close to Deutsch-Bobrow deferred referenced counting. If you decide to implement it, you may want to read their paper about the technique.
> people looking for a scalable graph database will not be satisfied with Titan.

Are there any open source graph databases that are scalable in your opinion? Which one would you recommend?
The OP is doing awesome stuff and sharing it with the world, and you want to criticize an implementation detail?

Bikeshedding like this isn't useful to anyone.
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Why is on line gambling a joke? Its a serious money spinner. Its the one thing, weidro laws aside, facebook have announced that actually makes some sense, and isn't offensive to the privacy folk.

Or are you making strange moral point bout gambling?
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I even have 'l' as 'ls -halF'. And it's used so much that the L button on my keyboard seems to grow more fungi than the others.
Were you traveling to the UK? If so, then your card's fraud department probably just declined the card. They're super picky these days, you really need to call the card company now before you travel internationally.
Useful advice via http://notes.kateva.org/2012/08/net-security-is-completely-b...:

'We need to give Schneier a few drinks and get him to talk about this again. Failing that:

Backup for Darwin's sake.
Don't enable remote wipe of Mac OS X hardware. Just encrypt it.
Use Google two-factor (two-step verification) if you are a geek and can stomach it.
Fear the Cloud. Keep the data you value most close to you.
Don't use iCloud.
Don't trust Apple to get anything right that involves the Internet and/or Identity.

Not being Schneier my advice isn't worth much, but fwiw I suspect the "solution" is:

Get rid of the secret security question.
Strictly limit password resets. If someone lost last access, charge them $50 to go to bank, post office or notary to establish their identity.
Incorporate biometrics (thumb print and speech probably).'
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we are fine with our old-school 20th century (contructed 1980) elevator. i don't like the idea of the elevator knowing who i am.

but that could be a nice part of ocean's fourteen... hack the elevator!
Go was mature enough, even before its 1.0 release, I think.
In case of rust, it has reached 0.3.. and it is accelarating fast.
But the YouTube community loves to participate ;)
Processing card transactions takes longer and reduces the serve rate of drinks. This is IMO probably a larger factor than the processing cost - cash has a processing cost too (staff time, security, fraud, bank charges) and it seems pretty close to the card processing cost.
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4chan is not only /b/ and porn, there are surprisingly good SFW boards too. Well, maybe "SFW" is pushing it a bit, since the tone is still 4-chaney, but then look around the technology, cooking, or traditionnal games boards: you'll be surprised.
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I don't know what I'd do without it. It's been a fun ride since the very beginning (although I can do without the summer invasions).
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Oh, I'm well aware of that. /b/ is (arguably) the worst part of 4chan. 4chan has much more than porn, but it also has a lot of porn.
I'll second the London Transport Museum suggestion - I was there with my children yesterday and had a great time. A ticket also lasts for one year, so you can revisit as many times as you wish, which makes it a great value day out.
I would be surprised if there wasn't an overlap between HN and 4chan (same as with SA). Being run in diametrically opposed way it fills its role rather well, I think. There is no reputation system, no limits, no censorship, etc.. This means it produces many utterly vile posts - but all of them are true expressions of people as they are, not as they pretend to be. I think people often don't appreciate this. It's not just people being dicks on the Internet, it's people saying what they think with no regard to social acceptance or basic politeness. And since there are no credentials, your posts are just that - some text and images conveying ideas. The only authority comes from the content.

Here's to another billion.
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After some additional thought, I suspect that Amazon has an additional layer of security in the form of algorithms which flag suspicious account activity just as credit card companies do.

Based on the account, it appears that Apple does not - customer support call + password recovery + wipe iPhone + wipe iPad + wipe Macbook did not raise a flag.
You'd probably appreciate "Life Among The Econ" by Axel Leijonhufvud - http://economistsview.typepad.com/economistsview/2007/05/axe...
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nice, but would be better to have something simpler that doesn't rely on various libraries and features that are typically forbidden in high performance environments.

incidentally almost every memory leak I deal with comes from not being allowed to allocate my own memory and having to fiddle around with gc and refcount rubbish.

I have written whole non-trivial games with no detectable leaks.
Can you clarify that? I can view the content of the page without being logged in.