skysight-inc/HackerNews huggingface dataset:
I like to rip on MySQL as much as the next guy, but the article is incorrect about MySQL DATETIMEs:

DATETIME: Eight bytes:
A four-byte integer packed as YYYY×10000 + MM×100 + DD
A four-byte integer packed as HH×10000 + MM×100 + SS

Storing UNIX time as an integer would be silly, considering:

TIMESTAMP: A four-byte integer representing seconds UTC since the epoch ('1970-01-01 00:00:00' UTC)
If the EU coordinates with the US, Japan, and all larger economies (perhaps via IMF), couldn't they still force Greek out of any currency their assets are cashed out into? The incentives of other countries to go along is the prevention of contagion economic depression.

Of course, Greece could still convert them into a currency not controlled by this coalition (Zimbabwean dollar? ;-)), but small currencies in this role cannot support Greek economic downfall and will be significantly affected by Greek economic results. This will still accomplish the goal of getting Greece to take responsibility for their economic decisions. (If the only choices are smaller currencies, Greece will probably choose to set up their own currency instead.)
I haven't played with it much, but the dateutil[1] package seems to do some nice stuff.

[1] http://labix.org/python-dateutil
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lol .. but also wont work for decimals
It's just as irrelevant as Chrome 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 and 12 were.
That's probably exactly what the greeks would want, except they would add one step to this: default on foreign debt. With a weaker currency they would be very competitive and with 0 debt even more so.
It's pretty risky though:
1 - the EU and others could erect trade barriers after such a default
2 - the rest of the EU could collapse with them, which means they won't be buying much stuff either
It reminds me of a movie I watched in High School biology (Race for the Double Helix) where many of the scientists kept trying to guess if DNA was helical prematurely before Rosalind Franklin snapped at them about their pointless presumptions. I think people just like to speculate, given the chance that what they stated actually ends up happening -- makes them feel insightful.
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Storing all your time as UTC can create problems depending on what you're doing with the time. If your application is a calendaring application and people can book things well into the future, you can have problems with daylight saving time and timezones this way.

For my most recent app, timestamps are UTC and everything else is stored local time.
Some people have jokingly suggested that Greece should just sell a few islands. I'm just curious how much they'd have to sell to make e.g. $100 billion.
I think it would be kind of cool (and historically ironic) if they sold some land to China and let them build a few descent city-states in the area in the next year or so. A couple of million extra people should prop-up the Greek and EU economy.
> That said, if the market takes a downturn, we could be looking at 3-5X valuation instead – it’s hard to know if Mark Suster’s advice (raise money now so when the party’s over, you’re sitting pretty) on this point is right and raising money in a good climate is the right thing, or if Warren Buffet’s contrarian viewpoint better applies (be fearful when others are greedy; be greedy when others are fearful).

Those two pieces of advice (raise money during bubbles vs be fearful when others are greedy) actually seem aligned. One is from the perspective of the business raising capital, and the other is from the perspective of the capitalist looking to make an investment. The business raising capital is happy to take advantage of irrational exuberance (if it puts them into an advantageous position), while the investor is wary of being irrationally exuberant.

In other words, these don't seem to be opposing pieces of advice, but rather advice coming from opposite perspectives (the capitalist vs the entrepreneur).
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I agree! And one of the more useful things you can do with a web app is render time using JavaScript (with an appropriate fallback) and then it will show the timestamp in the user's timezone automatically.
Actually I found this very easy to read & follow, maybe because my own note-taking is very similar to this -a total chaos and pictures all around.
we worked on music.bigadda.com in 2007.

their focus to forcing synergy between all the BIG entities led to chaos, they were trying to clone features from everywhere, they never had time on usability, USP, or to become self sustainable. when they had the money to burn they hired interns at really high salaries, typical funded startup dilemma.

we also met the bigmaps team which was supposed to be building a google maps killer, meeting went well but they insisted on we working at ridiculously low billing rates. we refused, I never heard of the project after that.
I imagine something like this would would have happened if the unabomber was really into maths.

"In late 1967, Kaczynski became an assistant professor of mathematics at the University of California, Berkeley, where he taught undergraduate courses in geometry and calculus. He was also noted as the youngest professor ever hired by the university. This position proved short-lived, as Kaczynski received numerous complaints and low ratings from the undergraduates he taught. Many students noted that he seemed quite uncomfortable in a teaching environment, often stuttering and mumbling during lectures, becoming excessively nervous in front of a class, and ignoring students during designated office hours. Without explanation, he resigned from his position in 1969, at age 26. The chairman of the mathematics department, J. W. Addison, called this a "sudden and unexpected" resignation,[18] while vice chairman Calvin Moore said that given Kaczynski's "impressive" thesis and record of publications, "He could have advanced up the ranks and been a senior member of the faculty today."

http://en.wikipedia.org/wiki/Ted_Kaczynski
Maybe the folks a Quora know the answer to this: http://www.quora.com/How-much-is-a-typical-Greek-island-wort...
I don't think the Greeks would like to have their currency badly weakened. Any imported goods will become much more expensive and their exports will earn them much less income. Everyone, the rich, the poor, the politicians, will be affected. Basically most of them will need to be more frugal, something they are protesting against.

Also, in 2010 their import is 44.9 billion dollars twice the amount they export, 21.1 billion. Even if their exports go up because of weaker currency, the pain from higher import prices will be much worse than the rises of income in the short run.

Your consequence number 1: trade barrier is an interesting possibility, but 2: the collapse of EU is unlikely to happen given that the Greek economy is only 3% of EU, and this strong measure will have threatened other troubled economies enough they will be much less likely to default and cause more issues. The measure might in fact prevent the collapse of EU at least in the short- to medium- term.
Probably one of the most brilliantly transparent blog posts I've seen from an entrepreneur, ever.

My advice to Rand:

1) Don't overthink valuation.
2) The partner is the most important component.
3) You'd be an idiot not to take some money off the table. 4) If you're going to raise, raise now.
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You'll need to store the time zone along with the local time, otherwise you won't be able to handle the situation where you have multiple users in different time zones. About the only reason this is preferable to storing UTC along with time zone, is because there are sometimes political decisions made to change daylight savings time (i.e. the mere fact of DST/TZs etc. isn't enough).
> You have to tell it a time zone or else the calendar app will not know what time you mean

It seems logical to me that whatever time I write in my calendar app is the time that I expect something to happen. I.e. it is the local time at wherever I happen to be. If I put in a meeting at 4pm on 8/7/2011, then I expect an alarm to sound whenever the local time is 4pm on 8/7/2011.

That's how my paper diary works (or used to work when I had one) - if I am planning for a future event where I will be in a different time zone, I simply write down the local time of the event.
Well yes, I understand that it was sarcasm. But while looking at it as sarcasm I don't see any point actually being made.
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Ask HN: Where is Paul Graham on Google+?
I can't find his profile anywhere...
Not on there yet?
Most of the technorati seem to be on there so far.
Even some celebrity-types are making a showing.
Ooh, such as?
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But can black-market transactions support the current $100M market cap? The world black market is probably tens of billions of dollars, but what fraction will adopt Bitcoin?
Why doesn’t Venezuelan President Hugo Chávez get cancer treatment at home?
So would you mind expanding on your comment? In what way is the public's interest served by these requirements?
If you talk to an economist, they'll find a way to put monetary values on "social and moral duties"; there are all sorts of tricks for teasing them out. Money is just a score, a way of measuring and quantifying things (and of course, if you're not measuring, it's not science, in so far as social science is ever science).
Weak currencies have worked great for countries like China. It creates a lot of employment for export. It's a way to trick people into working at lower salaries I guess, a way to lower minimum wage yet give people the impression that it goes up (inflation has a similar effect).

More jobs has a strong political effect too; people will probably tolerate more austerity if it's not combined with unemployment.

The article explains pretty well in my opinion why that 3% is very capable of collapsing the rest of the EU. If Greece defaults, investors lose their money. That's not too bad (although there could be a domino effect with banks), however investors will also start worrying more about a default of Ireland and Portugal, followed by Spain and Italy. Such worry translates to higher interest rates leading to the horror scenario of Spain needing a bailout (which noone can afford to give them).

Anything that amounts to Greece not repaying their debts, will be considered a default by the market, likely leading to what I described in the above paragraph.
I think there are so many number #1s because if they succeed both the boss and team get rewarded and if they fail the boss gets most of the blame. #2s are not really needed because the consensus decision really doesn't need to be managed at all. #3s tend to get pushed in one direction or the other and end up as #1 or #2.
(1) works when you have a constant pool of input and puts "natural selection" to work. If you're Google or Apple you have more DNA to test.

If you're not the top company and you don't pay good salaries people will drop.

The most reasonable option is obviously the balance in (3).
I thought I finally had REST figured out until I read this.

Does anyone else see a diminishing return on pedantically following the REST-prescribed design and actually creating an API that people are familiar with out of the gate? I feel like if I followed this article to the T in my current design, anyone trying to integrate with it would spend so much time reading my API documentation just to figure out why they weren't getting an XML reply that it would stop being productive.

I am working on an API for imgscalr right now and I think I have it about 80% RESTful at the moment -- the parts I'm not doing is paying any attention to the headers either coming or going between client or server.

I'm using the more recent "classic" /path/object.{format}?arguments format that I have seen folks like Wordnik and Vimeo use.

It may not be purely RESTful, but it is intuitive and I can't help but think: "Remember 3-4 years ago when REST wasn't all the craze and no one knew what it was? The web still managed to function back then..."

I'm trying to mix some practicality in a bowl filled with "best practices" and come up with something that most people can stomach.

I hope I hit that mark, but we'll see. As far as I'm concerned I'm sticking with the versioned URLs because I find it more intuitive for endpoints that change, get renamed or are removed than slamming one inside of a mime type or header or even a query string param a la AWS.
too early to predict, Facebook now has real money to compete.

this is googles third attempt at getting traction in social networking market dominated by Facebook. open social, google wave and now +1.

Yeah this UI is slightly better, but this is a temporary craze period, they need to keep moving ahead launch usable addictive features, they need to make it a habit a addiction for its user.

also need to build a usable mobile app for all the platforms,having a android only app or integration in android core would cause a large drop-off
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This seems to assume that Facebook is just going to be sitting on their hands and watching from the sidelines...

Google+ seems very nice, but from an average user's perspective, does it offer enough benefit to warrant moving away from where the vast majority of your social graph lives? I'd say probably not. It'd be like choosing between a party with decent music where you know 20 people and a party with pretty good music where you know 2 people. Most will choose to stay at the first party.
The issue is that in certain circles (e.g. in finance) all Internet communications must be recorded in some way, shape, or form. Google+ has yet to expose an API to do so, hence in a lot of places this cannot fly. Same deal with facebook chat and most other services you can think of. It's not entirely a productivity issue.

Corporate messaging systems (e.g. bloomberg) have special setups exactly for this issue.

Edit: check out SEC ruling 17a-4(b)(4) regarding recording for registered broker-dealers
Continuous Delivery vs Continuous Deployment | Continuous Delivery
Yes, that's what I said... but this is the resource section of the installer, not of the extracted executable. The extracted executable is the same and doesn't, as far as I can see, make any references to those resources.

It is possible they recompiled it with the new license and the installer project was configured to carry all resources it found in specific folders, while the executable was configured to only include specific resource files...
I used Extract instead of Install because my system disk is already truecrypt'ed, but if you can provide the files the installation creates, I could compare those too.
I think he's referring to this topic, rather than the draft.
i support this project :) wish more people started using bitcoin
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GET /pages.json?
Larry and Sergy, Robyn Li, the iTunes store, the QQ guys, Jerry Yang and David Filo, Ballmer. (note, I'm guessing)

There's tonnes of sites that serve 750 million. No service that has the same amount of activity, but in 10 years a few status updates will seem like usernet does today.
To put in another way: the greatest punishment for the Greek people is to actually repay their debts. It means low wages and high taxes for decades.

Of course, the most mobile part of the population and most companies would emigrate under such circumstances.

Default (in some form) is a very attractive alternative, but the EU will keep coming up with better and better deals to prevent it.
in practice, leadership is the thing for which demand is much higher than supply, not team talent.

I'm not sure I buy that. I don't have strong evidence against it, but its a gut based on experience. What I've tended to see is that great leaders tend not to be able to replicate their success. But talented people/teams tend to be succesfull, regardless of the leader.

To put it another way, a great leader, moved to a new team often is not a success. In fact, when they are, it is usually somewhat unusual. A great talent moved to a new team is rarely not a success. And when they aren't is somewhat unusual.

And what I've found is that the great leaders who can replicate success are those with huge personalities that draw in great talent. Or their reputation from their first success gives them considerable leverage to use in new ventures.

For example, look at pro basketball coaches. Getting a great head coach almost never drastically changes the record of a team the following year or years, more than chance would. But getting a great player almost always increases a team's record. What a great coach does though is bring in top talent -- but usually slowly, given it has to be done via free agency.

Jobs could go anywhere and get top talent. His ability to lead is also his ability to recruit. I'm not saying he doesn't bring other things to the table, but I'd say that a good percentage of it is recruiting.

Let me put it another way... given two choices, what would you take:

1) Steve Jobs's mind transplanted to some average mid-level manager at HP. No one know him as Jobs, but he would have Jobs's managerial chops.

or

2) Steve Jobs body and name, but his mind replaced with some mid-level manager at Apple (who of course is aware of the fact that he needs to keep up the charade of being Jobs).

There's a reason why entreprenuers who are successful, but when they leave their domain (go into a completely new field) are no more successful in future endeavors than anyone else. The second hit borrows greatly from the fact that people recognize you have already hit it out the park once.
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The two links at the end of the engadget article seem to have better coverage:

http://www.technologyreview.in/blog/mimssbits/26960/

http://english.chosun.com/site/data/html_dir/2011/06/30/2011...
For me and many others, Facebook has blown it. I want to be the steward of my own data. I want greater, easier, more granular control over with whom I associate or communicate online. Unless G+ has an epic fumble, they've got my eyeballs.

Even if G+ goes belly-up tomorrow, I'm still done with Facebook. If G+ doesn't grab a huge marketshare, it's shown the NEXT Zuckerberg how to build a social network without forcing "privacy is no longer a social norm" down users' throats. Facebook's days are numbered, IMO. Google has successfully exploited Facebook's weaknesses in such a way that I think everyone is kind of facepalming and saying, "Of COURSE! Why didn't I think of that?"
This may work with narration but the text in itself ,at least for me, is completely useless.

I think other attempts from "Manga Guide" series and even the "Transnational College of LEX" series are far more effective than this one.
PDF kind of already does that. I haven't tried the app though, might have better performance.
You know, this almost reminds me of the ML vs. Haskell debate. I remember fondly, hearing the 15-312 kids talk about how ML is right and everything else is wrong. The CMU PL dept was kind of adorable that way.

One of the classic examples is Haskell's typeclasses. Haskell's typeclasses are kinda kludgy because there's no way to provide more than one instance of a typeclass. ML's functors are way better.

But as it turns out, most of the time, we just need one instance. It's much simpler to invoke, and much easier to understand. If you need more than one instance, then use newtype.

In the end, we wouldn't be where we are in PL without the crazy folks at CMU and Bell labs. So I feel no small amount of sadness that ML didn't win. I concede the notion that ML may have made better design choices. But what matters more to me is that elements of FP get into the mainstream. Here, Haskell has done a better job of showing what is good with FP.
I think the key word here is "assumption." zope.interface doesn't enforce its contracts by default; one must explicitly invoke verifyObject() to verify the invariants and interfaces of a given object. But, for speed, verifyObject() is usually omitted in interface-heavy applications. (I admit that my personal projects always verifyObject(), but only for rigorous plugin validation.)
"Facebook won based on amazing technological innovations in the form of the app platform."

I don't think this is true. I know that people I was friends with on myspace who migrated to facebook did so because myspace got to be too much of an online pick up spot/crowded with sparkly graphics
It's certainly fun to look at, but I'd have a hard time following any of the mathematics.

What I'd like to see is an online calculus book which takes advantage of interactive animations and graphing to demonstrate how things like integrals and derivatives work. For example, for the limit-based definition of derivatives, you could concoct an animation showing how the math works as deltaX goes to 0, and so on.

There's also clever ways of demonstrating the product rule through geometry that make the math make so much more sense. There's a lot of potential in interactive, graphical textbooks that has yet to be explored, I think.
Google is in the renewable energy business. They have devoted well over $400Million US to solar, hydro, and wind power startups. They see energy as their biggest cost point in the next decade (powering data centers is not trivial).
Google has a social network and a [mobile] operating system.
Who’s going to have the best mobile social user experience?

While this is an attractive bet, as Google you would have to hope that neither your OS or network got too popular or you could quickly end up in anti-trust territory. Android being open-source changes things slightly but it doesn't solve your competitors' problem (deep integration access to your own stock devices).

Zynga’s IPO filing shows $597.5M in revenue and $90.6M in earnings
in 2010. If Facebook had around $2B in revenue and $250 million in
earnings in 2010, and 99% of Zynga’s revenue comes from Facebook,
the math says Zynga could be nearly a third of of FB’s top and
bottom line.

That's some funny accounting.

$1 invested in Google (at a $167B market cap) will make it to $2
before $1 invested in Facebook (at $80B market cap) makes it to $2.

That's not so funny.