skysight-inc/HackerNews huggingface dataset:
I like the site and agree with most of the comments already here. I don't like the domain name for two reasons.

First, I don't like "vehicle". it's not strictly a car and it's just a non-commercial word in my opinion. Second, "share" makes me think it is a car-sharing service, rather than a picture sharing service.

Then, unrequested advice for monetization!! I think you should let the users add the story of the car (There's the "car blog" button but I am not really sure how that works - maybe it's me, but it's not clear and you should make sure that the website is clear even to the dumbest of your readers).

Then, you might want to add a box "for sale Y/N" and if yes, the yes is clickable and you can then start an auction or put the two parts in contact... and get a little cut of the transaction.
That's exactly the sort of interpretation I was looking for. I don't remember how to represent geometrical transformations as matrices, but that's really just a technical detail; one can understand your solution without it. That being said, I still don't understand your solution. Are you saying that any such pair of transformations as you describe has the desired anticommutative property, except for the exceptions? I don't see either part of that - the general claim or the exceptions.

My solution exploits the fact that in CD, C combines the rows of D, while in DC, C combines the columns of D. Here's the rest:

Yrg P or gur vqragvgl zngevk rkprcg jvgu -1 nf vgf obggbz-evtug ryrzrag. Gura PQ vf Q jvgu vgf obggbz ebj artngrq. Fvzvyneyl, QP vf Q jvgu vgf evtug pbyhza artngrq naq -QP vf Q jvgu vgf yrsg pbyhza artngrq. Fb gb trg PQ = -QP, jr whfg arrq gb svaq n Q fhpu gung artngvat vgf obggbz ebj unf gur fnzr rssrpg nf artngvat vgf yrsg pbyhza. Sbe 2k2 zngevprf, guvf vf nal Q jvgu mreb va gur gbc-yrsg naq obggbz-evtug cbfvgvbaf.

Rot13 don't work so good for specifying matrices!
You are not a customer to facebook. You are their kettle! Advertisers are their customers. Never forget that - you don't pay them anything.
Not particularly valuable ones, at least.
It's also a great news for Malware too as they usually check for their remote IP. But maybe that will be another way of Google to detect if the local machine is infected in a near future.
Actually, I have already done something very similar to that and I did it on the job. At one gig, we used Ext JS to create a front-end web app. This web app would make calls back to server methods written in C#. All the data was passed between the frontend and the server in JSON. It is much more modular and makes the frontend more portable as you say, but I was really more interested in getting away from doing the server side programming in the Microsoft stack. Something completely different.
Yeah I cringed when I read that part. I guess not every press piece will be perfect, and hey, they have to sell magazines ;)
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aka less stoic looking Helvetica with ugly "K"s
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Not just documents and photos. In general, working with files on the web is difficult since JavaScript doesn't (yet) let you access the file system. If Dropbox provides really good support for this, they can solve the entire file headache and open up for a whole new type of web applications, while at the same time providing seamless access to the resultant files. This is a pretty big deal.
Ah, yes. Technically that is a good reason.

However, Factor has gotten a lot of new features in the recent years. For a relatively young language (7 years) the last 5 years are quite significant.
Right, the brute force way is better than sheer guesswork, but it's still too low-level. Kind of like solving the problem in assembly language. The intention of the text is clearly to get one thinking about these operations at a higher level, "at the level of the problem" as we would say in software.

Your WLOG is elegant, though, in that it gives a simpler starting point that's guaranteed to work if anything does. I'll have to remember that trick.
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I hope so. It's kind of aggravating to be able to download and install the SDK in a few minutes but not to install the OS on either of the two phones or the tablet I have.
Bought it and loved it. Thanks for the discount!
Show HN: Native iPhone Google Music App
Or blow up a small area (within the focus plane), and see which is sharper. Or better still, take a photo of a moving target at night.

One advantage of a DSLR is that you can get a sharper photo with less light and a shorter exposure time. On web-sized photo, taken on a sunny day, you just can't see the difference. If you take a photo at night even a complete amateur like me can tell the difference.

A DSLR isn't like a Ferrari, which blows the competition away in favorable conditions. It's like a Four wheel drive that can be used anywhere.
Using very dissimilar fonts when Helvetica or Arial was specified (by the web designer) changes the feel of many webpages completely.

When I played with a TouchPad and loaded up my own site, my reaction was immediately, “Whoah!” It had suddenly become… playful, and had a whole different vibe than normal.

In this sense, Robotica is “better” in that it is more similar to typical web page body text fonts, and more true to the page creator's intents.

And yet, the DIN-esque aspects of it will have the same problem: Lending qualities to text that the text wasn’t meant to have.
Fast and responsive on this hardware, sure. But what about the other less powerful, free, bogo Android phones out there? Will your carrier-crippled Android phone be able to even upgrade to ICS?
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Shall I get Dropbox and use it also for WP backup?
As many of you, I am constantly editing files for my website on one computer or the other. I was thinking of a service like dropbox to work both as a way of automatically syncing and being an online backup space. Is dropbox a good service? Which alternative ones should I consider?

Plus... there seem to be a few WP plugins that schedule automatic backups of files+db and automatically send them to dropbox. Any experience and/or reccomendation on any of these?

thank you
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Not sure why would you recommend SSL from day one. If the API needs to entertain high throughput and low response time, adding SSL means adding overhead.
Yes. 4.0 is meant to run on all Android devices, so why would you be abandoning your users if you start developing for it?
I'm unsure about the first one, but the second one is no way can be true. Diplomatic problems aside, it's technically impossible. Google don't write the drivers for those phones, manufacturers/carriers do, so how in hell can Google sneak in alone without drivers?
Here's an animation/toggle I did comparing Roboto & Helvetica: http://und.st/pqCj4I.

In the lowercase, there are only 5 letters (a, e, f, g, k) that a normal person would have much chance of distinguishing, even some of those are subtle. The other 21 letters appear virtually identical.
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Google confirms Nexus S will get Ice Cream Sandwich (Gingerbread devices too)
Do you think that if Apple bought Dropbox, Dropbox would still be on all those platforms with such strong support? I don't think so.
The bottom one is definitely Roboto. Note the "e", the longer stroke at the top of the "f", and the decidedly squarer "D".
If you like this sort of thing and want to learn Haskell, consider looking at "Write Yourself a Scheme in 48 Hours"[1]. Of course, writing a Scheme interpreter in Scheme is also classic; SICP[2] is also worth perusing.

[1]: http://en.wikibooks.org/wiki/Write_Yourself_a_Scheme_in_48_H...

[2]: http://mitpress.mit.edu/sicp/
Tim Bray on hackability of Android Ice Cream Sandwich Face Unlock
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That's great. Get in touch if you have any problems integrating it. We've tried to make the technical requirements for becoming an add-on provider pretty light.
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Android is growing fast because its on every crappy free/buy one get one smartphones that are basically used as a glorified feature phone, NOT because its good.
I was quite impressed by this video[1] shot with an iPhone 4S, especially it's handling of motion/auto stabilisation.

[1] http://vimeo.com/30578363
How Tech Companies Name Stuff
Ok, so I have a curl/awk one-liner that can get me my ip in shell scripts that uses checkip.dyndns.org. It's super simple because the results are super simple from checkip.

Anyone want to take a stab at this for google's result page?
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Doesn't work for me :|

http://imgur.com/t9jA6
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I'm somewhat irked by the fact that this interactive graphic's style seems to plagarize this mobile lawsuit inforgraphic.

http://www.vodeblog.com/wp-content/uploads/2010/10/mobile-la...
Vision is pretty good, but if all cars, roads, lanes, and intersections were lined with nodes emitting wireless signals, vision would be less important (I guess except for avoiding running into jaywalkers, etc.).
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Having dollars does prevent Uncle Sam from destroying you and assuming no one wants to be destroyed, everyone wants them. This makes the dollar a pretty good medium of exchange (a short term store of value) but not very good as a long term store of value.

Gold is still valuable as a medium of exchange largely due to historical reasons but the problems of moving gold, storing gold and using gold for very small transactions outweigh its benefits for anything other than a store of value, gold is simply too crippled to be used as a currency.

Bitcoin aims to fill that gap by having similar properties to other successful stores of value, (durability, reasonable finiteness) along with medium of exchange properties like fungibility, but at the same time being digital and thus adding properties like near instant transfers (on a global scale) and near infinite divisibility.

Its not certain if Bitcoin will be successful, something better might turn up to replace it, but IMO a purely digital currency definitely has a future.
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This might be a great way to brush up you CV after university (for law students).
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ShieldsUP! - a free service from Gibson Research Corporation - will tell you your IP address and a whole lot more:
https://www.grc.com/x/ne.dll?bh0bkyd2
> final approval of Jobs

I have a blog article brewing on this, but for now: what drove Apple was Steve Jobs' /taste/ and that others believed in his taste.

The first time Tim Cook presents a computer with a major feature missing - ie: no CD drive or no floppy drive, the audience will think he's crazy, and will think it's proof that the company can no longer work without Steve-o.

It wasn't the coming up with new ideas that drove Apple. It was a single man knowing which of those ideas were good, and which were bad, and people having enough faith in him to go with it, and seriously consider and get behind the ones that other executives would have labelled crazy-sauce.
> Once you get rid of the main causes of child mortality, you have to either stop having so many kids, or dramatically increase food production. Otherwise curing Malaria can result later in all the problems that accompany a lack of resources: bigger famines, increased civil strife and warfare.

Much as what happened in Europe, this tends to self-regulate over a few generations: high natality is a requirement in high-death and low-income situations, where you need many children to have some survive (and help you in old age), and children are hands that can work and provide wealth.

As mortality decreases you need less children as they'll pretty much all survive, and as wealth increases you want less children because raising them to your society's standards gets more expensive and there's a much bigger investment in each child.

Of course there will be 2-3 generations with high natality and low mortality, and an explosion of younger generations (likely leading to a few revolutions). But there's little you can do about that in the short term.
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We started Blogic to cure the headache of recreating your website's theme on an entirely separate blogging platform such as WordPress

..then I would urge you to question why you've gone and built your own proprietary blog system and not just use WordPress - where this would be very very compelling.
Also, here is a neat video comparison between iphone 4s and Canon 5d MKII

http://vimeo.com/30606785

They used this little test rig (look at the size difference!)

http://www.flickr.com/photos/67369108@N02/6248202568/in/phot...
As far as I know, those unwrapping-consent EULAs are not legal (at least in Europe).

And I seem to remember that some court in some county decided that EULAs in general are not legally binding (to consumers at least) any more since no one can be reasonably expected to read them.

What a strange world we live in.
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Google street view would have been a nice addition too, depending on the accuracy of the geo lookup.
"When PayPal mysteriously and arbitrarily decided to freeze everyone’s donations..."

"...We had raised $45,000 in just a few days, and then PayPal froze our account."

Not so mysterious. Believe it or not, no payment service is going to allow you to collect tens of thousands of dollars in a few days with just a name and an e-mail to identify you. The criminal abuse would be rampant. If that doesn't raise the red flags at the risk department of any processor they'd be out of business in no time.

Just another rehash of the same story we've seen on HN a dozen times this year, as recently as ~2 weeks ago with the game developer taking preorders for an undeveloped game -- who eventually satisfied PayPal and later wrote a post about how Google Checkout was worse and PayPal was not so unreasonable after all.

"Yes, you heard that right. PayPal gets to earn interest on all of our donations for 6 months"

If PayPal's agreements with its underwriting banks are anything like the rest of the merchant processing world, then reserve accounts are always non-interest-bearing to prevent any incentive to create them without proper justification.
Vaccine have dangers (not just risks), I can't welcome this news, I only see a new "product". I would be much happier if a cure was found.

http://vran.org
http://educate-yourself.org
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Just reading the Shen example has made me question my choice of learning Clojure, with the simple example of partial application.

I dream for the day when you can just do (map (* 2) [1 2 3]) in Clojure
I uploaded the corrected version.
Malware usually opens a reverse (TCP) connection and thus does not require the remote IP of the infected machine. It only needs to know the IP or domain name of the server it wants to communicate with.
Nope, this cannot be done with these Toughbooks - there are fuses in a surface-mount package that are programmed with the secret key and the BIOS cannot be reset with 'traditional' remove-the-battery hacks - these fuses either have to be read out, or the package needs to be replaced.

Its a huge hassle and a dire waste of hardware to have this occur and I personally do not look forward to a future where the whims of a despotic software company dictate what we can do with our possessions. Oh, wait ..
Hmm, all sounds a bit strange.

While I don't approve of PayPal freezing payment's I can kind of get it with a conference which may or may not take place. They need to protect themselves from having to hand out potentially thousands of dollars in compensation.

What I don't get is why they would freeze an account getting donations. It is a donation. You are not paying for a service which may or may not arrive. Seem's very very strange.
Throwing the fattest people off of an overloaded airplane.
Agree completely with Adamj here - put versioning in the headers. And to be honest, the advice here implies you can as a newbie product manager design a rest api without a hardcore (presumably experienced) rest developer - and throw it over the wall to the developers (who will thank you). I cannot ever imagine that working.

Some recent posts on why no-one gets rest (to be looked up) are much more useful, but even so I have not yet found a good guide to rest style - even the oreilly book was disappointing.
got lucky and shot a hummingbird taking a bath today with my 4s. It's a good example of the video quality this phone offers: http://vimeo.com/mediamaker/hummingbird-iphone4s
I'm sorry, but I really don't have the time, besides giving a few suggestions here on HN. In any case, graphical design is not exactly my main area of expertise. Keep in mind that it's a lot more craft than art, so you can do a lot even if you consider your self graphically challenged.

You might want to present your layout on forrst.com. If you don't know it already, it's a community with the focus of bringing hackers and designers together. You can usually get some good constructive feedback there. If you need an invite, let me know.
It's quite a stretch to call Apple's UI "hyper-realistic". The core interface and main apps (safari, mail, phone, messages, camera) mostly consist of non-textured gradients. There's a hint of glass on the lockscreen and a fabric texture used at the "edges" of the UI (in the notification center and multitasking tray) and that's about it. If anything, it looks like they're aping Apple with the icon animations, text selection, abandoning their menu buttons and attention to system fonts.
Precisely... the first pictures of the key are focused on the back wall, thus the crappy IQ.
Money laundering. Selling illegal products or services in the guise of donations. Posing as an organization you're not even affiliated with to ask for those donations. Just because someone, who PayPal only knows as a name and an e-mail address, claims to be taking donations does not mean that's actually what's going on. When those donations go from $0 to $45,000 in a few days, it behooves them to identify that customer and check out exactly where all that money is coming from and what risk is associated with it.

Even if they are bonafide donations, if there are expectations attached to those funds (that the company is going to build a product or perform a specific service, or put it towards a certain cause) and there's a risk those expectations won't be met, then there's a risk for PayPal that some of those donors are going to be upset and do something about it -- like cry fraud and charge back the payments. PayPal has to carefully manage its chargeback rate like every other merchant.
Ditto. Juggling between AI, ML and DB classes has been eating up all my free time. Though I have bought the book eons ago, I am yet to go through it.

Correction: I take the last sentence back. I have "Standard Strang" instead (it was cheaper).
Yet they used an apature of f/2.8. Most phones have a high apature, so they focus on everything badly (landscape mode). The original iPhone has a lazer-sharp focus on everything a certain fixed distance away, and blurs everything else, but you can't actually set that distance.

So you can get a few great shots (good for ads / PR), but most will be pretty crummy unless you get used to picking the right distance.
I don't know about the first one, but at Google IO they announced they were getting all of their partners (major carriers & hardware manufacturers) to agree to support any new device with software updates for 18 months. They hinted it would be required to be a Google certified device.
Do you know what wasn't on my list of corners for 2011? Unlocking my phone with my face.

"Poor responsiveness"? Yes, that's on my list. 2011, and 2009 back when my 3GS made every Android phone on the market look like it was running through treacle.

The gap has narrowed, but it's still embarrassing that so much computing power has been thrown at this, but still it feels like Android just can't keep up with my finger movements. Coming from iOS, this is a really big UX issue. List and scroll views on iOS feel like they're glued to your fingers. On android they don't, and it makes the whole UI feel 'slippery' - like you don't have a decent grip on UI objects.
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I remember learning about the law that organizations have to provide all information stored about individuals upon request when I was a kid in school.

We even sent out letters requesting information as an assignment. I sent to a bank, I think. Not very interesting back then, but it would certainly be a lot more interesting now!
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My performance calculation is MacBook Pro 13" with 8gb RAM versus the 13" Air with 4gb. The 13" is a must for either, but the decision comes down to less swapping and more horsepower versus less weight.

I wonder how much impact SSDs have on swapping. I rarely need 8gb of active memory. I just can't stand waiting minutes for things to swap around right now.

Time for more research...
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"Believe it or not, no payment service is going to allow you to collect tens of thousands of dollars in a few days with just a name and an e-mail to identify you."

Using the email address and name is hardly the best way to evaluate the trustworthiness of Diaspora.

There are lots of reasonable questions about how to scale underwriting systems, and how this might work generally, but we shouldn't neglect the fact that in this particular situation 1) Diaspora not being able to receive donations is a bad outcome, and 2) there isn't exactly a paucity of public information about them.