skysight-inc/HackerNews huggingface dataset:
Does anyone have any idea what the difference between a 'model' and a 'representation' is with regards to this article? They seem to emphasize the importance of using the former instead of the latter, but I have no clear model(!) of the distinction between the two..
This is great news, but it would be even better if amazon dared to start their service in Europe as well.

So far, there is no "real" competition to paypal for small developer sheds. In fact, I am sooo p about it, that I think I'm going to start a payments service myself! Anyone come and join me?
Apple and Google are pretty fucking buddy-buddy atm, and isn't Google trying to scan/index every book in existence? Apple could execute it perfectly, with iTunes as a frontend to Google's vast library.
The URL is:

http://www.elizabethgilbert.com/writing.htm
The whole point of the Kindle, at least as I perceive it, is to sell more books on the Amazon store. Why wouldn't they let a company like Apple provide yet another interface for their store? If anything, an "iPhone of ebook readers" would increase sales on Amazon.

The Kindle is not an end in itself. The store's the thing. Kind of opposite from the iPhone ecosystem, where the store exists to sell the phone.
You've linked to the documentation about following foreign keys, not reverse foreign keys.

So, you have a blog with entries and comments on those entries. A Comment has a ForeignKey to an Entry. That's a normal setup. In Django, you can say Comment.objects.select_related("entry").get(id=5) and that will get you the comment with id 5 and its associated entry. However, you cannot say Entry.objects.select_related("comment_set").get(id=12) to get the blog entry id 12 with its associated comments.

Don't believe me? Well, believe core Django core contributer Malcolm Tredinnick - the lead of the database refactor effort. http://groups.google.com/group/django-users/browse_thread/th...

There are a lot of people who use Django that don't realize this limitation exists because they haven't gotten that deep in their usage of the framework.

On a personal note, in the future I would appreciate it if you didn't attack my truthfulness with statements like "Not much you say about Django is very accurate, actually."
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I have a kindle 2 and a netbook and love that they are separate. I treat the kindle as a book/magazine and use it on the subway, in a cafe, in bed etc just like a book.

I would never do the same with my netbook especially considering how much larger it is. The kindle 2 is the perfect size for reading and a 10" netbook is the perfect size for a netbook.
callus vs. callous, related but not the same.

callus: A callus (or callosity) is an especially toughened
area of skin which has become relatively thick and hard as a response to repeated contact

callous: emotionally hardened; "a callous indifference to suffering"; "cold-blooded and indurate to public opinion"
shocking that I should get such a response.

on one end, there is a TON of legwork with regard to my idea that involves reaching out to each adventure operator and incorporating content into the site. I did mention it was extremely fragmented and a lot of the value would come from bringing information together/generating unique content.

also, i did learn to hack in xhtml/css and although i know they are not true programming languages it is a start in that i can at least hack together part of a front end
How can a standalone screen technology kill an integrated consumer device with the world's best infrastructure behind it?

The article clearly states that the product is the screen, not a complete netbook.

Stuff and nonsense. If anything, Amazon might license the screens.
In all but a few situations (for example learning something completely new) being modest is simply a waste of time. I have come to believe that the effects of "overconfidence" are almost overwhelmingly positive. If I look at almost anyone I admire, I see that they have, and have probably had for a long time, a very high sense of their own worth. (For example, look at Paul Graham. Did it take audacity to say he was working on a "100 year language"?)

The reason why this took a long time for me to learn, is that being confident triggers an instinct in people to knock that person down and challenge them. See, for example, these comments. Nietzsche described this very well. It makes sense because there can only be a few leaders.

Personally, I'm trying to get back a sort of youthful impudence I used to have. It's a personality trait that is awakened when reading about how Wolfram, when he was a university student, in a debate, pointed to a stack of CS books including TAoCP and the Dragon book and said something like "I'm going to read these and then soon I will know all that you know". It's arrogant beyond belief but it also makes me think "fuck yeah". I think that part of me is far more valuable than the part that just wants to behave, be nice, and get upmodded in places like this for going along with a crowd and making sure that everything is said in veneered careful way that will be approved by elders in suits.
Dont forget many ISP's HATE torrenting and P2P. I ran a small ISP in our village a year or so back before BT got of their bums and 90% of the BW was used by 5% of the users - through torrenting. It really hammers a network.

If you employed this technology & it took off I suspect you would be faced with very angry ISP's who may well ban access from their networks.

Plus of course it eats right into the users BW - they theoretically will upload more than they download and with limited BW allowances people could easily start gettign traffic shaped without even knowing why!

That said it's a neat solution to the BW problem.. something of a catch 22.
Here is a nice documentary titled "The Missing Secrets Of Nikola Tesla"

http://video.google.com/videoplay?docid=2188562935002257117
Ooh, clever.

But unfortunately the hard part of understanding recursion is understanding th practical reasons why to do it, and where.
That's Jabberwocky, not Hunting of the Snark.
So you don't spend any money whatsoever, therefore avoiding VAT on the purchase of everyday items....like food?
Hacking to Great Guitar Rock Songs
Hobbyists Rebuild Wall-E, One PVC Pipe at a Time
There is a huge amount of free books already available. I don't care much about the magic wireless as long as I can read my own files.
Ask HN: Any startups hiring in the UK
I got my Tier 1 UK work visa (3 years work permit) just this week. I plan to look for work anywhere in the UK. Are there any startups in UK doing interesting work and hiring? Perhaps a site where startup jobs are listed? My previous experience is in Java, Erlang, Ruby, C++ and C#.
The carriage makers don't know how to make the horse-drawn buggy more profitable against this new fangled thing called the "automobile", and the new automobile makers are looking for ways to monetize their new invention. Once the carriage makers can come to terms with the fact that the buggy is no longer necessary, maybe they join forces with the automobile industry to help it become profitable.
Publish2 - collaborative reporting tools
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p.s. if interested melissa_colella@hotmail.com
There was more geeky link to the same story on HN - http://news.ycombinator.com/item?id=630237
There's no reason why iTunes couldn't sell eBooks too.
No, ShabbyDoo, it's not their right at all. It's very different if you are selling the toothbrush for profit. And I'd allow that it could be different if you were a professional room designer and licensed the poster as part of your design for a client. But them forbidding me from placing a poster on my own wall with any background paint I choose is absurd.

Things only become "their right" if we weakly sit by and let it. We are allowed to control what is allowed in contracts and licenses. We can legislate that. In fact, it's our responsibility to do so.

Some people have a hard time going from abstract to concrete, so the analogies in discussions like this are actually quite useful. (read: moral/pragmatic).

And anyway, I roll with Fedora.
Lately there seems to be much more Perl articles on the front page, is there any particular reason for that? Is Perl suddenly getting more attention for some reason?
"An average daily newspaper equals the amount of 850 Google searches."

To put it another way, one cheeseburger equals 18 newspapers.
Can't you use moneybookers instead?
Yeah, Google Wave and Microsoft Bing were both written in Perl 6.
> shocking that I should get such a response.

Not really - looks like you've been here a while, so you knew that. I'm not saying your deal is no good, just that you're going to have to work hard to sell people on yourselves. Working for free has big opportunity costs for everyone involved, and as you must have seen here, everyone has bumped into the "I have a wonderful idea I just need you to do it for me for free" types, so I'm just giving you a suggestion to show you're not like that.

> Major PLUS - an interest in the outdoors, biking, hiking, adventure travel!!!

> Strongly prefer someone in NYC tri state area (NY, NJ, CT)

Why would anyone who loves the outdoors live in that area?;-)
Innovative ways and outofbox ideas to fight against Recession
And it isn't even very good at math. It knows about the microfortnight, but if you ask it for attoparsec per millifortnight, it parses it as (attoparsec / (1/1000))*fortnight which isn't even a speed.

[Edit: typo, why is there no preview?]
Anything that requires taking out a loan. Homes? Check. Vehicles of all types? Check. Elective surgery and higher education? Probably.

Every kind of loan aside from payday loans...
If people don't agree on the IF statement, they just don't agree on it. I find that I can discipline myself enough to use a full IF - having always used the pyif (http://www.djangosnippets.org/snippets/130/) template tag in Django. I don't think this is such a big deal since one can swap out the templating layer in both Django and Rails for something they'd rather. If anyone reading this sees this as a big point, Liquid in Rails offers a more Django-like experience and Cheetah will give you things like full IFs in Python.

You make a good point about not having to copy the code into the project directory and have multiple pieces of code sitting on the server. Someone pointed out that Rails Engines (included in 2.3) allow for this, but I haven't personally used them to know how nicely they work.

For the security concern of auto-routes, this is actually a bigger concern in Python than in Ruby just because of the different ways that they handle OO stuff. In Python, everything is a public method. So, if Django just mapped URLs to methods, there would be no way of hiding a method you didn't want called. Ruby has the ability to make private and protected methods and Rails only makes public methods available as actions (the private and protected ones still being able to be called in their scope).

So, it isn't a great security concern in Rails since it's trivial to define what is public and what isn't. Likewise, if one chooses, you can decide to map all of the URLs explicitly like Django and turn off the default :controller/:action/:id route. So, Rails offers both ways.

Just as a note about Python: Django could just auto-map URLs to any method not starting with an underscore (the convention used in Python to say, this is kinda private even though Python will let you use it). Or there could be a kwarg (keyword argument) in the method signature that Django looked at. Anyway, there are ways around the fact that the Python language doesn't have explicitly private methods. Django's convention (like Python's) is just that explicit is better.
It's fast and slick at the moment but can only be used as a secondary browser. If you're looking for a slight speed improvement over Firefox 3.0, get the Firefox 3.5 beta (http://www.mozilla.com/en-US/firefox/all-beta.html) .. I've been using it as my primary browser on Ubuntu for about a month and have had no real issues.
I think this is an interesting technology. There are some naysayers here, but I think there are some cases that users will accept signing statements and the like for this.

A public site like youtube or even Hulu wouldn't be able to make it a default client with those issues given how well Flash works, but I can see some other sites living with those prompts, especially if they offered low-res Flash and hires Bitlet.

Especially in a private account situation like Netflix, users would be more likely to accept those kind of prompts to see the videos they want in higher quality.

I'm impressed with how well it worked for me, though it's difficult to tell how much of the viewing was improved through peer-to-peer.

Good work, I think you could build something around this with the right contacts and impressive test results to show the real benefits.
> Sadly, there is no population-count instruction on PowerPC

Here is one man's theory as to why:

http://www.moyogo.com/blog/2005/09/secret-opcodes.html
Well, now that Parrot is doing releases above 1.0, it seems plausible that Perl 6 might actually be a finished product one day. That was in serious doubt for years.
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A JavaFX clone of the famous game Crayon Physics, based on Phys2D
Bittorrent doesn't eat bandwidth, stupid users who can't configure their torrent clients properly eat bandwidth.
Have you looked at also making the Java applet support bittorrent for just file downloads itself? If no one is doing that already, a really slick looking web interface for file downloads might get more corporations interested in using BitTorrent for their own file distribution.
POPCOUNT, the "NSA Opcode."
In his zeal to fix capitalism, Barack Obama must not stifle America’s dynamism
Have you ever tried to use something like a reference book on an e-ink device? There's a reason why Sony Readers didn't have any kind of search. The refresh is sloooowwwww. A 1 second overhead on each click on top of normal processing will kill most web apps. For a device that's accessing data locally, it's murder.

Better interactivity will also give a better online shopping experience on the device. It will open up lots of other uses.

Damn straight Amazon will license the screens. How about an Amazon branded netbook that had the Kindle functionality, but also could boot as a netbook?
I did it: http://www.bitlet.org
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Billionaire Anthropology. I think its interesting to know how influential, powerful technology company individuals are in real life.

Compare to John Chambers of Cisco:

"He managed five hours, waking at 6. He rode his basement treadmill from 6:15 to 6:45 while watching CNBC. At 7, he left for work in his blue Jaguar convertible and listened to 35 voice mails from his car phone on the 30-minute ride. At the office, he made a series of rigidly timed phone calls, hosted a breakfast for Cisco employees with birthdays that month, walked the halls and stoked morale. He returned home by 5:30, ebullient again."

"He betrays no complications, or anything like angst. He stays on-message, carries a thick briefing book for that day’s meetings. While many executives do this, Chambers’s reliance on his book is striking. At the Davos World Economic Summit in January, the book was five inches thick, and he spent eight hours a night drilling himself for the next day’s meetings."

http://www.marshall.edu/itc/welman/Selby%20Wellman%20par.doc
The "shocking" part was completely sarcastic :) I totally understand the value of one's time. i am not hoping to ignite that whole business person vs coder battle or come across as a business person jerk, which is why I am presenting myself as a tech collaborator who will build the front end.i myself have already spent countless hours baking the idea, talking to industry experts, etc
Ask HN: Running a car on water. Plausible or just more bad internet science?
I've got a friend who's pretty smart and a good programmer, who keeps going on about building a car to run on just water. He's convinced it's possible and that other people have done it but that there's a big conspiracy by big oil to keep it covered up.

I've sat through all the videos he's shown me, and I've read countless websites and other documents he's supplied, but so far I haven't seen anything like what I'd consider proof.

I try and keep an open mind, and I'd love for this to be possible, but all I keep seeing is bad science, appallingly bad science and stuff bordering on outright fraud. The basic premise behind most of these claims is a means of converting water to hydrogen and oxygen, that requires less energy that what's obtainable from burning the hydrogen.

So here's my question: Does anyone here know of any evidence that supports this? Do you know anyone who's played with this, or of anyone, anywhere, who has set up a simple closed system to prove it?
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Ask HN:When to expect reply to emails?
Of the many mails I have sent to different people over the internet (mainly CS stuff) sometimes I get detailed explanation/responder s view of the topic and some time not even a reply.
I'm getting sick of these eco-green fanatics. I wonder what are they doing. Are they living in a cave isolated from the rest of the world?
"Works" or even "works well" is orthogonal to "successful" or "popular." The word "failure" is clearly an antonym of "successful," but that isn't the word I used.

Typically, products have a continuum of functionality from 100% dysfunctional to nearly 100% functional. The most successful products often compromise some functionality to achieve marketplace success. Those products that don't compromise often are less successful and appeal to a smaller audience.

That doesn't make the more successful and less functional products better or worse in some abstract sense of "goodness," but it does mean they don't work as well.
Thanks! That one completely stumped Wolfram Alpha. (http://www49.wolframalpha.com/input/?i=how+many+cheeseburger...)

"Wolfram|Alpha isn't sure what to do with your input."
Real Programmers...
Can you ask your friend to send his tinfoil hat folding instructions? I've lost mine, and I'm pretty sure his would be superior anyway.

There is a reason you can find no conclusive evidence anywhere in the world that this is possible even in a lab environment...
I'm guessing something to do with unprovable statements...
"If people don't agree on the IF statement, they just don't agree on it."

Pretty much. And while individual cases can be argued, I think the general goal of keeping program logic out of templates is a good one.

"For the security concern of auto-routes, this is actually a bigger concern in Python than in Ruby just because of the different ways that they handle OO stuff. In Python, everything is a public method. So, if Django just mapped URLs to methods, there would be no way of hiding a method you didn't want called."

Actually, what I'm thinking of is a case where you might have a single application running on multiple sites, and -- for security reasons -- there'd be some views that you wouldn't want exposed on one or more of those sites. Forgetting to "un-map" even a single URL could lead to major problems (and, since an auto-mapping system can, in theory, locate anything that's on the import path, the risk seems to me to be a bit too much to accept just for the convenience of occasional automatic URLs).
Ask HN: Review my POC to detect spam accounts on twitter
Hey HN,

I have been complaining a lot lately about spam on twitter and decided to to something.

So far it is just a POC (proof of concept), where you provide the twitter account name and it will give a score from 0 to 10 and let you know if the account is spammer/bot or not.

Link: http://sucuri.net/?page=docs&title=twitter

How it works? We use a point-based system and consider some of the things:

-Account name (looks spam?)

-Profile image (default?)

-Bio (valid, etc?)

-URL (valid, pointing to a valid domain)

-updates (how many)

-How many links per update

-Repeated links

-Spam words

-How many interaction with other users

-Number of followers/following

And a few more... Please report FP if you found them.

Later it can be integrated with other tools (or even search tools) to avoid following spammers (or even to auto-block them).

Thanks!
This is the direct link:

http://sucuri.net/?page=docs&title=twitter
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Such a device from Apple would have multiple uses. Imagine the 10.1" pad in a magazine-thin form factor on a coffee table, interfaced to your iMac. You could also have an advanced remote control for Front Row, a special multi-touch iPhoto viewer/editor, the same for iMovie, multi-touch oriented apps for Facebook, and a Twitter widget that could float in from the background.

Done right, a device like this could rule the living room!
Lulu can be very expensive.

XLibris is a good alternative which is quite cheap in bulk.
This is apparently illegal. The EFF covered this at their conference - the way out of it is that most early employees are founders and just choose not to sue.
Sounds like bad science too me. The energy put into breaking a hydrogen to oxygen bond will be the same as the energy release when forming the bond - which is what happens when hydrogen and oxygen is burnt.

Just think conservation of energy.

Having said that - it might be possible to run a car on water if you had a fusion reactor that would fit in your car. Pull the heavy hydrogen from the water and away you go. That technology is still a way off.
You need to get out and start showing this to people. You may even want to start talking to some of the CDN companies to see if they want to license this. Some of them already have other approaches for P2P bandwidth sharing, but it would be another bag of tricks with a decent user experience that companies would consider for large files.

Even if the CDN people don't like this, half the torrent sites out there would be better served if they had a tool like yours for quick downloads of the torrent.

I'd really focus on selling the improved user experience side, though. Ideally the end user doesn't even know that a .torrent is involved in the download. It's just another background/confusing aspect that users don't need to see.

I think companies will need a way to configure a fallback option for when BT isn't working for the user, but I think that's all just features that could eventually be worked into the mix pretty well.
I think it depends on how you phrase the question. If the question can be easily answer (or even have an answer) and is properly written, people will be more keen to answer back.

But things that are too subjective or easily find on google, you will probably not get many answers..
Microsoft is kinda trying to keep going with bad names for their products.
you mean like Microsoft's horrible Songsmith? :)
Yeah, but "I can has 15,000 Google Searches" just doesn't sound the same.
Or [2001]
China Puts Its Faith In Solar Power With Huge Renewable Energy Investment