skysight-inc/HackerNews huggingface dataset:
Since when the number of sales has anything to do with being transformative?

Since nobody sold even 1/10 that much in that market segment (tablets) before.

Also since 1 in N households in the US (where N < 10) now owns one.

Also since it become a multi-billion dollar industry, in a couple of years, out of nothing.

Also since most major print news/magazine outlets hailed the device as their potential savior, and jumped in offering content for it, with even the big mogul, Murdoch, creating a special publication for it.

Also since the educational book marked was just turned upside down, with publishing houses and schools jumping into iBooks distribution.

Also since iPad/iPhone pretty much owns mobile web usage in volume, with Android devices a distant second.

Also since for many professional industries, an iPad is getting indispensable, with extremely large numbers among doctors, lawyers and financials goes, to low end like warehouses tracking things, POS systems, etc. Actually, "small business iPad use quadrupled to 34% in 2011".

Also since the enterprise jumped in and started using iPads and iOS in-house apps. "a survey of 1,200 IT professionals conducted by mobility management solutions vendor BoxTone indicates that iPad adoption is on the rise. Read on to find out why iPad is becoming an enterprise favorite." (and this article is from 2010).

Also since "touch" entered the UX/UI vocabulary for good after iOS.
This is terrific! I've ported your fonts into my variant of the many twitter bootstrap rails gems out there (https://github.com/logical42/Bootstrapped-Rails). Thanks a bunch for this great work! This is going to make my life, and many others, much easier! :)
That sounds like a good option. Thanks, will note it.
Show HN: What's hot on Hacker News?
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Y no linux? :/
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"the successes that you see usually come after a long string of failure."
I'm having a hard time with calling an obviously talented hacker an idiot just because you don't share his political ideology.
Ask HN: Cache Invalidation API in browsers?
Whenever we deploy a new version of a website - there are changes everywhere (CSS, JS, Images, change in HTML page layouts, etc). Currently we resort to URL manipulation (example path/to/resource?v=1, path/to/resource?v=2, etc where version is mostly a timestamp or hash, and resource is a CSS, JS or Image). Or we have to run reverse proxies and serve our site via Varnish or nginx which does the actual caching.

There are a boatload of APIs being introduced in browsers. But it would be so nice if there were a Cache Invalidation Javascript API, something like:

document.cache.invalidate(some URL pattern);

This should not immediately clear the browser cache (because it will result in stalling of rendering) - but it should simply mark the specific URLs as stale in the browser's cache. They should then be freshly fetched from the server when we request them the next time. This will result in true client-side caching and invalidation, without having to use any reverse proxies or URL hacks. This way, I can even serve all my Content pages as Cache forever, and simply invalidate them whenever there is a change in content or layout!

Could anyone explain why there is no work being done to improve client-side cache invalidation? Are there any limitations which prevent this from being done?

Edit: Typos and minor grammar
It is a fairly comprehensive reference and all, but saying 'sed Editor' is just as bad as saying 'ATM machine'.
Will using cli tools for no real reason be the next hipster retro thing? If so, I just want to state that I've used the terminal and cli applications/tools long before it was cool :p
Given that you can target modern browsers like Chrome and Safari and Firefox, and either fuck IE and older versions (e.g for an inhouse app) or just have then not support some fancy features, it's VERY useful.

You don't have to have all of CSS3 implemented everywhere to be useful. Same for CSS4.
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It's on my list of places to visit. Hopefully within a few years.
Yeah, I don't why people don't understand persistent key/value stores using a has as the key. Its no different than any other typical use of any other typical kv store (such as BDB and such).

Git is rather well engineered for what it set out to do.
The icons look great! The font rendering engine is still the cheapest and most convenient way for having small scalable graphics.

Note that this trick is as old as Windows 3.1, as Raymond Chen points out in his blog:

http://blogs.msdn.com/b/oldnewthing/archive/2012/01/16/10256...

(The blog name "Old New Thing" is spot-on as always :) )
Lotus Notes has been doing this for years with a series of images instead of colours. It's an interesting idea but I think it's more confusing than helpful.
From the [readme](https://github.com/kripken/sql.js/blob/master/README.markdow...):

>sql.js is a port of SQLite to JavaScript, by compiling the SQLite C code with Emscripten.

sql.js itself is 1 line of (incomprehensible) code, 907kB in size.

Uh, wow.
The actual problem is the carriers/manufacturers, but Google could have put in requirements regarding upgrade policies. However, they're apparently not in a strong enough position to do that, after all they need to get the manufacturers on board on the promise that they have more freedom with Android.

They could also have made it easier on the manufacturers to do upgrades (ie. giving out continuous updates during development instead of just a source dump at launch time).
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Have you tried embedding the font in the CSS? The overhead if the CSS is gzipped is small, and you save one request and the flashing text when the font is loaded.

Jammit http://documentcloud.github.com/jammit/ (and presumably other asset packagers) does it automatically.
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I've seen projects that generate a character or robot from a hash, and that could be interesting here, too. I agree that it's probably more confusing than helpful, though.
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Anecdotal (at best) evidence from this single person:

No, they use 'pseudo people reading skills'. I'm good at offsetting those unintentionally. Can lead to hours of fun.

And they use other pseudo tests as well, that tell me that so far none of the people there checking my laptop had any clues about - computers.

I've never been to the states (and - don't plan to), but I cannot imagine that the average TSA guy is more grumpy than the average [1] Ben Gurion security guy.

Don't make 'different' the right thing to do. There is obviously a high demand for security here, both ~real~ and in the public mindset. Replicating that world-wide would be just as bad as placing these back-scatter machines everywhere, in my world..

1: Insert disclaimer about the exceptions to the rule here
Except that a) iOS has a dramatically healthier app ecosystem, and b) the poster even points out that most people who buy Android phones don't care about the platform.

Sorry, but the 'Android is dominating' meme took a sever credibility shock with the last round of Android handset manufacturer profit slides. But you know, they'll make it up in volume. Or something.
Might be harder to pull off wrt backwards compatibility.
Umm, we're talking about just over 18MB here (1200 * 1000 pixels, 16 bytes/pixel, see http://pixenomics.tumblr.com/post/16895861678/how-to-send-1-...). That you can just dump over the wire as a binary blob. Why are we talking about this again? Use your favourite language, just keep it in a big blob in memory, and have fun.
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A suggestion: You could reduce leakage of the first one or two characters by only starting the color display on the entry of the third letter.
I can't argue with most of those. The designer sucks, and I blame that for lots of the VS slowness. I never open XAML files in the designer. Not sure about 'scaling up' relative to GDI - I guess if you're a gun GDI programmer you can probably make it do pretty much anything, but I felt more productive doing graphics stuff in WPF - seemed to let you do quite a few cool things pretty easily. ILMerge thing is a pain, but not a major one (unless you've gone out and built thousands of assemblies and are getting slammed by load times, in which case you kind of painted yourself into a corner there). When you say "Virtually impossible to produce a scalable composite application." do you mean scaling development, or run-time scalability?

I can't help but feel if MS had paid more attention to perf (maybe re-platform it on top of Direct2D in the .NET 4 timeframe, instead of going all in on WinRT) things would be a lot better.

Anyway, thanks for sharing those pain points.
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A blog post consisting only of a copied stackoverflow answer. How exciting... NOT.
An immediate thought on this- would be proxies. So it is no good relying on clearing the cache in the local browser, if it is being served a cached version from an upstream proxy server.

It is clearly a problem that needs addressing though. In our web app we have added build steps that seek out all css/js/image links and append version numbers as a query string to defeat the cache.

This works quite well, but has the disadvantage of always clearing the cache for each new release, when in reality not all items need to be cleared.
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Until you screw your X configuration very badly.

For this exact reason, in my first experiences with GNU/Linux, I reinstalled the distro every time X was screwed.
This has been done before: http://mattt.github.com/Chroma-Hash/
Just make sure that the color thing is not reversible.
We built GPU-accelerated NoSQL datastore. using it, this can be accelerated 100x, given you switch to binary pixel format.
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Nice. Note, though, that accurately capturing the colors will let a bad guy brute-force the password one character at a time, which is trivial. Don't use this if you're worried about shoulder-surfers with cameras, or just plain don't use this with important passwords.

(Note that switching to a proper cryptographic hash does not stop the above attack.)
Ooh, that's a lot nicer. Thanks :)
My cmd-w fingers are quick off the mark when they need to be.
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Office is Microsoft's own software. And 2002 is still one year later compared to when XP was launched. Manufacturers generally start using the new version of Android 6-12 months later, too.

The difference between Windows and Android is that even if Microsoft finished XP in 2000, they waited until all the manufacturers put it on new hardware to release it. Google doesn't do that. They release it as soon as it's ready, and then manufacturers have to put it on hardware. It's just a matter of perception of who has it "faster".

But I suppose Google could do the same - finish Android 5.0 this spring, and then only release it in winter with a bunch of manufacturers at once.

As for Chrome, this is really an exception, and I don't think you can point any other example where an app only works on Android 4.0. This happened because Android 4.0 is a pretty big overhaul, and Google didn't want to bother with the legacy, when they know that within a year 50% of Android devices will have the 4.0 version. They just wanted to take advantage of all the new API's and not have to find workarounds for the other versions. It's kind of like Microsoft not wanting to make IE9 work on XP anymore, because it's a much different version than Vista and 7.
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Sadly I don't think the scans are their to protect lives, but rather to protect the machinery (and the industry.) Planes are expensive. It's trivial to kill people elsewhere. I just loathe the rhetoric.
Why not do this with hieroglyphs instead of colours? I have deuteranomaly and colours don't work for me. I remember reading %10 of male population has some kind of colour deficiency.
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Really? I thought those images were just a dumb animation that happened while you typed, I didn't even know the pictures had relevance to your input
I can think of Mac OS X, Gmail, Windows 95, Firefox, Chrome, GitHub.

Of course, such a thing only happens when there's overlap. There's not much use for an XBox or a Wii in a company, with the exception of having a fun and games room as an added benefit to employees.

But when a product is useful for the enterprise and popular amongst consumers, it will enter that space, simply because enthusiastic employees can move mountains. See for instance Linux's growth in the ninties, in spite of Windows, IBM AIX, Solaris, HP-UX, or other OSes that were definitely more ready for the enterprise. Basically an immature Unix clone, that can't even keep binary compatibility between versions, is killing all proprietary Unix distributions, except OS X.
Yes, I also mentioned proxies like varnish and squid, but problem is they still require a HTTP request. It would be nice if there was an API which enables us to use pure client-side cache invalidation without any extra calls.
And importantly, you can't rate limit client site JS like you can server-side with captchas etc.
The big question is: Do game economies make sense at all, do they benefit the game enjoyment for all users?

This story sounds very common today, i tried similar things in WoW but never to earn real money. Common players don't care much about game money, that makes it so easy to exploit the system. In the end it is was fun for myself, but the common player was forced to grind a little more because of people like me.
Some of these comparisons are accurate, however java has had variable length argument lists since Java 5.0. Enumerations are also supported.
That's a nicer idea. Or to generate some kind of character / robot.
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> then we know where we stand and I will be over here working with someone else.

Hah, do you think for a huge amount of people simply getting a different job is really that easy? The working class of the US is completely on the ropes, they are told to take any job they can get because they are so desperate for work. It's nice, as a privileged person being able to go up yours I'll keep my dignity and my rights, but the impoverished and desperate do not have that luxury unless they want to starve.
I dont think any user will understand it quickly so it would be helpful. nice idea tough just not mass market useable-
My point is- that there may be a proxy server outside your control which is caching the content (e.g. inside a corporate network).

Unless you can invalidate the cache here as well, then clearing it in the browser is no good (I suppose you could set your cache headers to disable caching on intermediate proxy servers)
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Note, though, that accurately capturing the colors will let a bad guy brute-force the password one character at a time

How so? Since this is generated from the hash, this attack doesn't reveal more than an hash does, and you certainly can't brute-force one char at a a time from an hash.
Nor do I understand why fans of Apple products tout Apple's high profit? Isn't that a form of Stockholm syndrom, too? Being happy that the company you buy from makes a lot of money from you?
I don't think many people have images disabled. Images are part of the web for a long time, however fonts are quite new and now every other blogger thinks it's a great idea to have a special, preferably unreadable, font.

But maybe you are right and the image fall-back is not such a great idea. I don't really know how characters are mapped to other font if one is not available but perhaps it would be possible to map them to something better in "standard fonts"? Just guessing here.
There's blind wine tasting, if you want the real deal. Without the hand waving.
I've never really played a lot of MMOs (though I had friends who were very into SWG and still lament its changes and eventual demise) but the crazy stuff that goes on in virtual economies like this has always interested me.

Reminds me of Julian Dibbell's "Play Money" [1], where he spends a year trying to make Ultima Online his main source of income.

[1]http://www.amazon.co.uk/Play-Money-Millions-Trading-Virtual/...
Show HN: Python wrapper for ESPN API
Assuming I record the colours generated when each character is entered, then I have a hash of just the first character. Cracking that is trivial. Then I can go and crack the second character.

There might be a tiny amount of fuzzyness if I can't exactly match the first character hash, but it would be fairly close. I suspect it would be fairly easy to write a computer program which even did this automatically, from a recorded video.
I noticed that ESPN had recently just launched an API and decided to make a wrapper to make queries easier. I love the open-source community for all their contributions, both in code and in my education, that I would love to give something back and to learn more from the programming experts of the world.

I committed my code to Github as part of my very first "real" contribution. If you may notice, other code that I have committed aren't really usable in their current state. I do hope to change that though. There's still work to be done but I can say that Hacker News, in many ways, encouraged me to take first steps in many things.
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So it takes about a year for near 100% adoption of the iOS version, too? So what's the complaining about Android, then? In a year the new version can get about 75%, which is not that bad.
Facebooks ToS prohibits password sharing. Only the media accounts they give out can be used by multiple people. You could simply list the accounts your employer was using and Facebook would nail them.

Also simply give a fake facebook account with a few fake contacts for your friends and family. Most people are too stupid that they wouldn't recognize the inactive accounts as fakes.
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I think the case is that if a game grows large enough, it will inevitably develop an economy. It's just a natural aspect of human society.
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I've only ever played WoW, but jacked up economy on servers wasn't fun. And I mean JACKED up. It does add an element of realism though, nothing comes for free in this world.
It's worse in that it's not just redundant but actually conveys the wrong impression of its purpose... a bit like saying "yacc Compiler" or "File fsck".
Congratulations on this very difficult project.

I however think it is a prime example of great teamwork rather than open source.

Open source is a mean, not an end. We tend to forget that.
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Perhaps adding a short delay (under a second) after the last keystroke before refreshing the image would make this much more secure.
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Would delaying showing the colors until focus is removed from the password input eliminate this vector?
Just reduce the entropy. E.g. use 20 colors instead of 4 sextillion. That still helps the user a lot (a mistyped password has a large chance of having a different color). But it only reduces the number of passwords an attacker must try to 1/20th.
the Guardian is a re-blog of an original fox story. you are showing a bias
I've given it a quick go & am very impressed, relatively smooth experience for a just-launched product, remote inspection, manipulation & js console is great

... tied up with selenium or similar to drive more complex interactions on my desktop browser & have them mirrored by pushing javascript to my phone, could make this a very powerful change.

edit: misread istvanp
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or http://dactyl.sourceforge.net/pentadactyl/

or http://luakit.org/projects/luakit/
Gives a whole new meaning to "rainbow tables". Ahem!
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This sounds similar to what happened with WoW, at first things are really hard to obtain, going after the real hardcore gamers and those that want to spend the time to know the economy well, work together well and master professions.

As the game goes on they try more and more to appeal to the casual gamer which either doesn't have the skills or the time to master the game in the same way. Meaning it becomes hard to really differentiate yourself from others playing the game as most of everyone has pretty good items and didn't have to work hard to acquire them.

Even though I have nowhere near enough time to be a hardcore gamer at anything these days, I still don't think I'd really enjoy playing something causally and having it all handed to me.
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Maybe because in this way they have something to occupy the time of their legal department (suing you, of course :D)
Why not just use a video camera to watch them type on the keyboard? Plus, mobile devices show the last character typed. You're right, but this could be avoided by (for example) only displaying colors after 4 characters are typed