skysight-inc/HackerNews huggingface dataset:
Here is an example from the typical French high-school graduation question: http://xmaths.free.fr/TSTI/exos/exercice.php?nomexo=TSTIpbac...

If you wanted to graduate this year, this is the problem you had to solve: http://www.maths-express.com/bacs/2009/FranceSjuin2009.pdf (in PDF, easy to read).

(even if you don't speak the language, it's math, so you can probably figure out what the questions are, the formulas themselves are universal)
Well yeah that's probably the conventional advice. But it's not what I do.

Stop swinging the bat like an idiot, watch the ball and play the right stroke for the delivery.
Why Google's software approach won't work for smartphones or the enterprise
#include "i love openid and so should you. here's some arguments that probably didn't convince you last time you heard them.txt"
hmmm. so more like credit in the sense of credit cards. i wonder what the fee comparison is between paypal (3% ?) and accepting credit cards (certainly seems more of a hassle for developers).
1) If the kidnappers "obviously" would have benefited from the publicity, why didn't they create publicity deliberately?

2) Great, now we know how to manipulate Wikipedia into censoring articles.
A weekend? Really?

We have documented evidence in the form of podcasts that it took a team of 3 talented developers about 6 months to build StackOverflow. If you're looking for an order of magnitude estimate for how long it would take to reproduce it, that's it.

How exactly are you planning to reduce an 18 man-month project down to a single weekend of your time?

More generally, why is this attitude so common among programmers? How, in the face of documented proof to the contrary could an intelligent person like the parent still consider a site of the complexity of StackOverflow to be a "weekend job"?
Discussions rarely or never result in one "right" answer.
Questions, on other hand, often do.
jQuery Impromptu
I was searching for websites on safety in schools
I was searching for websites on safety in schools. And I came across a site named americanschoolsafety.com which looks like a specialist on school safety. I am impressed with the information provided. Have you tried their solutions? How was it? Big Thanks!!
Well, the Internet services I used while I merrily ignored the vile circus around Mr. Jackson's death all kept working great.
When I first saw it, I liked the clean look and feel, but hated the "DAVE, I CAN'T LET YOU DO THAT" approach to permissions with regards to comments, votes, and the like. As a beginning user, you had (have? don't know if they've changed it) all these links and buttons that are displayed, but don't let you do anything; they just give you a lame message about requiring N gold stars before you can do that.
The price includes managed hosting. A million page views for $129 isn't bad.
I think it's certainly longer than a weekend, but recreating something that exists is usually easier than doing it the first time. You don't really have to worry so much about how things ought to fit together - you just copy.
Glad that you corrected it.
Agreed. My partner is an IT technician at a school. His friends list has a lot of ex/current pupils & some of the things he sees published make me blush!
I see a general trend on all queries peaking around March and late November. This matches what I see on retail websites I have access to the backend of.

Searches like money, sex and music are quite flat but appear to have a low profile match to this general trend.

"sun cream" and "snowman" are clear counter examples.
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Problem with an NLP parser is since twitter restricts to 140 characters a lot of people don't post proper grammatically correct sentences. This makes the parser much more complex since the parser will then have to guess the intended meaning. A tweet like "Jeff Goldblum???" would be almost impossible for the parser to understand.
Photographers are actually a really monetizable audience compared to most. Sign up with the right affiliate program, and a single sale could cover that $129.
Without darpa, how would the internet get it's start?
Here's a counter model for newspapers (and the media industry, in general) to free:

Start a club and grant access to (full online) texts to club members, only. Keep a fixed percentage of the revenue for administration. Say, 30 or 40 percent. This is where your profit comes from. Spend the rest of the money for people creating the value: reporters, journalists, photographers, or even club members.

Start with a fixed budget for a year and an initial membership price. If revenue (fee * members) exceeds the budget, send a refund to members or raise the budget for the next year. If it doesn't, stop the club or raise the membership fee for next year. You may let members vote on that issue.

Let people follow (as exemplified by Twitter) the journalists they want to read. Journalists followed by many are obviously popular, and thus valuable. In other words: Make them celebrities, to some degree. Inform club members about new pieces of the journalists they follow by mail or SMS. Provide an interface for members that resembles a feed reader: A member only gets to see information from journalists he or she follows. Let members vote on articles.

Create an incentive to journalists to advertise their commitment to a certain club. For example, make a part of their payment depend on the numbers of followers they have. You may also allow them to employ other journalists (or ghost-writers). Then, they may utilize their blogs and appearances in other media to point to 'their' club. They could engage with their reader community (by answering comment discussions, for example).

In other words: Your sales pitch is not about the news you provide, anymore, but the access you provide to (popular) journalists.

You may also let members follow other members and show only comments made by them (or notify about new comments). Invite members with lots of followers to write articles. This creates an incentive to members to write good comments. You may also increase to incentive to be a club member by letting people become members by invitation, only. Being a "Wall Street Journal Club Member", for example, could mean something. If you provide a page for each member, they may use it on their usual web presence (LinkedIn, etc.)

Offer some free content on the site; for example, general news, introductions to popular articles, outdated articles, or comments (or discussions by your journalists. Make is SEO-friendly so people can link to it and Google can pick it up. You could use advertising to finance the free part.

This has the following effect: Firstly, they have an incentive to advertise the club: the more people participate, the more value they get (or the less they will have to spend). Secondly, there's an incentive for readers to withhold more valuable information to others (instead of spreading them and making money with Google Adwords). They are also less likely to spread their account information to others.

In other words: Create a mix of Digg, Twitter and Feed Readers and add a stronger incentive to keep information private.

Or course, that's just a quick summery. Comments welcome.
re: Logo, this http://scratch.mit.edu/ seems to be superficially similar
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Not very well presented on the landing page but if you work through the examples (follow link) it shows up rather better.

Some nice ideas there.
I don't get it.

stuff isn't free. Take news. You make the content free to consumers then sell something of value to businesses. You mask a B2B operation with a B2C front.

Whats of value? Aggregate reading data for news aggregators, personalised advertising slots, some new crazy business model companies will pay for data.
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When doing any online shopping, everyone tries to get the best deals. At times, some companies also provide a few discounts so that the consumers can benefit in their purchases.
You know how I was talking about your habit of snarking pointlessly by taking things out of context? You're doing it again.

I pointed out the lack of logos while looking at the screen. Obviously an Apple product has a logo, on the back where the user isn't forced to look at it. I think the logo looks nice; some people disagree. But the point is that when you're staring at the phone to use it, there's a lack of visual clutter. The stuff that I don't constantly see doesn't matter. (I'll point out the inconsistency of the HTC design, with its completely unnecessary "3 megapixels" distinction, that plastic bump (is that for headphones?), and the generally odd feel of the items' positioning. The iPhone, on the other hand, is almost entirely centered, save the tiny camera hole appearing directly underneath the locking button.

My talk about the one button referred again to the front of the phone only. Using the iPhone OS, there is a total of one button you use to navigate. The other three buttons are insanely minimal in purpose: Two for volume, one for turning off the display. You know this, of course, but you've decided to snipe meaninglessly, as also you know that the connector port by no means counts as a button, and that even were you to count it as a button, the iPhone would still have fewer buttons overall than the Hero has visible on the front alone. I'd point out the feel of those buttons and how much poorer the buttons of the Hero look from the shots taken, but that's getting pointlessly involved in an argument we shouldn't be having in the first place.

I'm sorry my post was too long for you; if you'd like, tell me and I'll attempt to summarize my posts so you can legitimately join in this conversation.
A couple of times, I got references to Jean Michel Jarre for "Jean". Odd juxtaposition...
It's a shame that the Times framed this as a Times editor's personal intercession to help a journalist, rather than as an application of Wikipedia's "Biographies of living persons" policy:

"Wikipedia is an encyclopedia, not a tabloid paper; it is not our job to be sensationalist, or to be the primary vehicle for the spread of titillating claims about people's lives. The possibility of harm to living subjects is one of the important factors to be considered when exercising editorial judgment." [emphasis added]

http://en.wikipedia.org/wiki/Biographies_of_living_persons
Hackers who give up their liberty for some awesomeness deserve neither :-)
New in Firefox 3.5: Saving data with localStorage
IPhone 3GS has overheating problem
RubyTu.be, a community driven Ruby video & screencast index
The point isn't really that everything will be free. The point is that lots of informational products will have a free option --- and that there will be pay versions too.

The future is differential pricing.
Jeffrey Campbell – Innovations and Cheerful Motives
It just did...
"Dave, I can't let you do that?" You do know that SO allows questions and answers from people without even requiring them to log in? They allow content from essentially anonymous users.

The restrictions are along the "meta" parts (voting to indicate the quality of an answer), I think it is entirely sensible to restrict these actions to users who have built up a currency of trust within the SO community.

That being said, I think you are onto to something around the user experience. Perhaps an option shouldn't be shown to someone if they cannot perform it.
I can't see Apple and Amazon working together. Apple tends to want to dominate the entire supply-chain and I think that only works when they're dealing with comparatively unsavy companies. Amazon gets the web well enough that they're not going to hand over control to Apple wholesale and I think that'd be a deal-breaker for Apple.
My figures:

100.5 million unique viewers in Oct 2008. Average of 53.5 views per user that month. (source: http://www.businessinsider.com/2008/12/youtube-hits-100-mill...) Average video size, 10mb.

100.5m * 53.5 * 10 / 1024 = 52m GB served.

At a generous price of 5 cents a gigabyte, that works out to about $2.5 million a month, or $31.5 million in 2008.
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See the following for general pointers. They may not be the exact material you want though.

http://www.artofproblemsolving.com/

http://www.amazon.com/Art-Craft-Problem-Solving/dp/047113571...

I wish I had access to people who were really good at problem solving when I was in my pre-university days. The intention is not to really become an ace problem solver, but to give the brain a real good workout.
Nokia N86 - Capture the World
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follow the money: Who stands to benefit from unconfirmed negative Apple rumors?
RSA's Art Coviello on who should be cyber czar
Not valid how?
Publishers better start selling e-Books directly at a price that leaves no margin for Amazon. This will both make the Kindle irrelevant to customers and Amazon's returns marginal. The longer they wait the less likely they will be able to sustain costs of leaving their print channels behind.
A computer science professor's never-ending H-1B fight
Best Essential Rules to Follow When Designing a Logo
Software not smart enough to sort human relationships
Did Malcolm just invoke Moore's law to explain how newspapers should be priced?!? That's as relevant a Goodwin's.
Are sealed-in laptop batteries a good idea?
What we need is an English version of CNProg.

There's a download here: http://code.google.com/p/cnprog/issues/detail?id=28

but I don't think it is production-ready yet....
Promising cancer treatements appear fairly often.

As to US medical research, the grant system (both public and private) seems designed to support research labs, not produce research.

http://www.nytimes.com/2009/06/28/health/research/28cancer.h...
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Telecom firms back standard phone charger in Europe
Best New Essential CSS3 Techniques Revealed
The software is excelent, but the pricing fails.

Supose that i'e an idea to build a community using StackExchange. How can I monetize it to pay U$S999 a month once I pass 1mm pageviews? It's quite hard!
Pure bunk from the the first sentence on:

"It’s easy to argue that the primary reason Microsoft has become the world’s largest software maker is that the company has repeatedly shown the ability to ship products."

Did the authors ever hear of Longhorn?
Steve Jobs Travel to Liver Transplant Mecca Shows Organ System Flaws
Whenever I get bad sinus/ear infections during winter my ears ring.The ears/face are very closely related and a simple cold/flu can spark an infection.
> If a journalist is in-place, then exposing an ambush would both endanger them and ensure that all journalists in similar situations would not be trusted by those they are embedded with.

Curiously, they gave neither reason.

> Exposing something from the comfort of your living room is different.

The NYT had no problem reporting on the kidnapping of an American in Afghanistan (http://www.nytimes.com/2008/01/27/world/asia/27afghan.html) or on the abduction of an American U.N. official in Pakistan (http://www.nytimes.com/2009/02/03/world/asia/03pstan.html)

Same circumstance, but different media reaction. Observed differences - these weren't reporters and US newsroom vs US living room.

> but generally speaking, engagement has historically been the approach that gives better results in the long term.

Some evidence would be nice. It would be especially good if said evidence tried to look at the priority of "we're in it for us."

I'm not saying that journalists have to be altruistic or are wrong if they're not. I'm asking how they live up to their claims. If it's fair to criticize others for those failings....
I agree about the hassle factor vs. cost.

In Dan Ariely's pricing experiment, if he gave a US audience the choice: 1 Candian penny for the Lindt truffles or a US dime for the Hershey Kisses, I'm sure 70+ percent would pay the dime because it's more convenient. It wouldn't prove that people want to pay more for a (seemingly) inferior product.
IMHO Youtube is doing nothing more than buring money.

Eventually the money will run out and the flame will die.
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"job search": http://www.google.com/trends?q=job+search&ctab=0&geo...

Interesting dip come December and then a spurt that more than makes up for it in January. New year, new job?
"A clone of stackoverflow.com to be done over the course of the weekends"

Weekends plural? I thought this was only going to take 1?
Metro Crash May Exemplify Paradox of Human-Machine Interaction
Most people don't need a flashy new UI every year to stave off boredom - they want something easy to use and reliable. After two years navigating and interacting with the interface, it becomes second-nature.

This isn't to say refinements and improvements aren't welcome (which Apple has done with the iPhone), but a truly good design/UI will stand for years. (Great ones will last decades.) For another consumer-electronics based example, when was the last time Apple dramatically changed the UI on scroll-wheel iPods?
Making music with Apple IIgs technology
> isn't a single 24-bit true-color laptop available to buy these days: they're all gone. (which makes me wonder: what is the point of these high-tech digital SLRs?)

It's not just laptops - find a decent display for a desktop.

According to a Pixar presentation that I saw a couple of years ago, the disappearance of decent CRTs was a big concern for them.
Dude, it's just Karma, dont' worry about being Downmodded. Besides, ppl who downmod the curious are jerks :P

Never fear asking questions.
I was with him until "As the agent of change, you deserve the lion's share of the revenue."

All he was doing was introducing people to each other. He didn't produce the content, he didn't distribute the product, and he didn't front the money for the investment. All he really risked was some time, same as everyone else involved.

He served an important role, and deserves to be compensated well. But to claim that he deserves the lion's share of revenue seems ridiculous.
Flexible Coverflow With MooTools: MooFlow
Bone marrow transplant 'cures HIV patient'
Ask HN:  Any word What's happening @ Singularity University?
I'm curious to hear/see some updates on this first year class.
This just links to the root of the blog for some reason. The article is here:

http://html5doctor.com/how-to-get-html5-working-in-ie-and-fi...

I'm not sure if it's possible to change the URL now, but if so, it would be a good idea. The article is the first item in the blog now, but that will of course change quickly.
You ever wonder why there isn't any other good office apps? Is it perhaps because a several time convicted monopoly abuser is using the power granted to it by its multiple interlocking monopolies to prevent this from happening?

I'll not even get into their shenanigans with ODF and ISO but did you ever noticed that IE doesn't have a spellchecker. What a strange omission from a modern browser, unless of course you have a monopoly in the OS, the browser and Office software and can happily screw customers to maintain them.

Half of web 2.0 is built on a reverse engineered feature from IE that was only put in so that users of Exchange could have a superior "web" experience as long as they used IE and not an actual browser.
Advice on mandatory volunteerism (mandateerism) at the office
And it's another example of a win not being necessarily what yo hoped for. Ok, Sony didn't get a Beta machine into every home as they had hoped, but they got at least one into every TV station.
Well, I do not know if it is true, but saying you do not like Muslims is no different than saying you do not like Jews or blacks as it is making a generalisation about the entire people and probably used to scapegoat them and stereotype them and we know where that led in the 1940s.
thanks for the clarification. I guess the problem arose because I never thought of induction as a method for finding the "truth" per se, but rather as a method of finding consistent correlations (with direct cause and effect being a special case of correlation where the correlation coefficient is 1).
The density of information is so great that none can get out?:-)
> More generally, why is this attitude so common among programmers? How, in the face of documented proof to the contrary could an intelligent person like the parent still consider a site of the complexity of StackOverflow to be a "weekend job"?

"Shit's easy syndrome" http://steve-yegge.blogspot.com/2009_04_01_archive.html
There is another level to this anecdote, and that is how HN readers respond to it. It seems that some of them identify with Charles, and some with Alan. Some identify because they are or act like Alan and Charles, or they choose the opposite because they had a bad experience with someone like one of them.

In other words, in this case the reader identified with Alan because that best describes how that reader works and acts, and they are just instinctively defending their position, even though, clearly, the parable portrays Charles as the better of the two. (Of course, that could be my bias, as I identify with Charles).
I can see the point of using the video tag, because you can achieve better compatibility (iPhone!) and a smother experience (no Flash player crashes with native video support). But I don't see the real benefit of using the tags that only provide more "semantic" value, like section, header, aside, nav, etc. The code clarity you get from it offset by the cludges described in the article that you have to use to ensure compatibility (FF2, IE6 and 7, etc).
Does the 'hacker ethic' help or harm today's developers?
Looking at the detailed trafic, year per year, I can't see any such tendency. Some years, there are some bumps for sex around November or March, but never both, and their amplitude isn't bigger than the seemingly random fluctuations.
I'm not sure it's such a good idea to mess with modal dialogue boxes. From a usability perspective, it makes it harder to navigate, because it redefines known metaphors. This is the same problem as when people use images instead of a `<button>` or `<submit>` element. From a technical perspective, it's a magnet for annoying interface bugs.
Ugh. I hate it when this kind of thing turns up in my search results. I'm looking for "actionable intelligence", and I get some 25 minute long video that I can' really scan through, and certainly can't cut and paste from.
The root? No.

Human nature uncontrolled is the root. Goldman is just the diseased cesspool in which it's allowed to fester.
Minimal Surfaces
As far as I can tell only one "cludge" for all of IE (one JS file). I really couldn't care less about FF2.

View source here -- http://2009.full-frontal.org/ -- then visit it in IE. Works great.

DIVs weren't meant to be the only way to style w/o tables. For a front-end guy like me, this is pretty cool.

(Also, more about the "HTML shiv" approach they're using is here: http://ejohn.org/blog/html5-shiv/)