skysight-inc/HackerNews huggingface dataset:
Tangent to your point: I suppose @facebook.com will be reserved for employees/contractors only. The Facebook users will probably get either @fbmail.com or @fmail.com.

If I were FB, I'd go with the latter, just so that I can say, "Fmail - it's one better than Gmail!"

Of course, that opens up a whole raft of other issues, not the least of which is F being right next to G (on my US QWERTY keyboard), so folks keying in an address might typo and send emails to the wrong service and/or person.
In Ubuntu,

vi /etc/sysctl.conf
vm.swappiness = 0
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How about looking at this way...every second person you meet is a college grad! :-)
Samsung creates 19″ OLED TV using inkjet printing tech
It's good that it finally has option to escape all variables. IMHO this should be enabled by default.

Most PHP programmers say that it's not a big deal, as one can simply insert `h()` in every echo… but when I review PHP code, I find XSS everywhere. You can't just rely on self-discipline. It doesn't work.
I personally don't find being scanned (or patted down) particularly traumatic, but I can certainly see why some people would. I suppose I should go for the invasive pat-down just in solidarity.

I would happily walk through the airport naked if I could keep my laptop(s) in my bag at the checkpoint, though.
I personally like http://www.tm4b.com

Never used it in anything with enough volume to care about a cent or two here and there, the API is excellent, and incoming messages work a treat too.

Related: I also like http://tringme.com/ for actual calls, although their documentation and support is terrific (or was when I checked), their service is pretty good once you understand how the hell to use it.
I'm in my 40s and get more Facebook messages from my friends than I do emails. Many more.
I would file an official complaint

Yeah because not only will that actually matter to the TSA, your name also won't be stored somewhere so that the next time you're in line you get a special treatment.

And what about non-US citizens? What say do they have, really?
You went through a machine which took photos of your naked body without your knowledge and you don't see a problem with that?

I went through a machine in Amsterdam last year and was super pissed when I realised, after going through, what it was. I'm not planning to opt out whenever possible.
I've used smarty (version 3 RC) for a recent project and I have to say I'm very pleased with it. Short tags are bad. They are going to be deprecated in PHP6, and they senselessly take away a little of your application's compatibility across all servers.

I don't understand all the hate against Smarty. How would the "PHP is already a templating language" argument explain the rise of all these PHP frameworks we have no, almost all of which contain some means of templating.

Smarty allows me to not have to worry about boring presentation layer crap (ie htmlentities) without having to commit to a large framework. Plus its syntax is pretty nice.
Not at all true.

===

California Education code section 48915:

(a) Except as provided in subdivisions (c) and (e), the
principal or the superintendent of schools shall recommend the expulsion of a pupil for any of the following acts committed at school or at a school activity off school grounds, unless the principal or superintendent finds that expulsion is inappropriate, due to the particular circumstance:
(1) Causing serious physical injury to another person, except in self-defense.

(... the rest snipped ....)

===

Note three things:

1) "Recommend for expulsion" is not equivalent to "actual expulsion"

2) The emphasized (by me) self-defense exception.

3) "serious physical injury" does not include fighting that does not result in serious injury.

Fighting most certainly does happen on California school campuses, and they are not all getting expelled.
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Another address people will just forward to their gmail. The article claims facebook has "the most popular photos product"... it may be true, but their "photos product" is shit.
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Most Jews were no immigrants. They had been living in Germany for centuries. Ironically, during most of that time, Jews were forced to be different, banning them from most occupations and from owning land. Modern North-American culture is based on integration and assimilation.

Basically, anybody can be American, if you think and do like they do. A major step forwards from blut und boden. If only we could also accept those who choose to remain different.
have compounded YEARS of knowledge and experience to the point where I can vastly outperform my younger, smarter self.

I wish I could say the same thing. I sometimes look through code I wrote over 10 years ago, and think to myself "damn, I wish I could hire this guy to help me build this thing today".
Genius == DNA + Environment
There are lots of "find'n'replace" template engines which really suck.

But have a look at http://PHPTAL.org — its attribute-only syntax not only preserves structure of HTML well, but PHPTAL actually parses XHTML and enforces its well-formedness (i.e. you can't produce HTML with misnested or unclosed tags).
> Used a total of 4 times in the 2.3.10 codebase.

The number of times the string "BasicObject" or "BlankSlate" shows up in the codebase is not representative of the times an instance of a class that inherits from this class shows up in data I am passing around. And the number of times an instance shows up is not representative of the pain I have gone through with these misapplied patterns. Between these, HashWithIndifferentAccess, the liberal use of :nodoc: tags (to the non-Rubyist: these--distressingly--suppress the API documentation generator from generating documentation for a given piece of code), and other "quirks" of the framework, I have had a hell of a time debugging in Rails.[1]

> I think you misunderstand their role in Rails.

I seriously doubt that, but I'm more than willing to hear what they are if not essentially copypasta generated for developers to tweak. It's a case where inheritance and mixins would have done nicely and resulted in cleaner code. If you don't believe me, try taking one of these generated controllers, stuffing it into lib/, renaming it appropriately ("GenericController", for example), and having most of your controllers inherit from it instead of ActionController::Base directly. The result is a lot of mostly empty controllers where behavior that varies from the GenericController is easy to spot, because it's the only behavior that needs to be specified.

> in your editor of choice do you have any kind of snippet/template functionality

As bloated as my favorite editor is, I am sure there is some functionality like that, but I don't know where it is or how to use it. Not that I don't generate code ever; it's a fine technique for a dirty hack, a script that needs to just be done and cleanliness be damned. It is not how I would engineer an application that I expected to have to maintain, and it's undesirable for that to be the main pattern of development in a framework.

1. Please do not think that this is because I am new to Ruby or to Rails. I have been doing Ruby professionally since before Rails was released, and spent a few years doing Rails almost exclusively, starting before Mongrel came out and our choices were WEBrick or FastCGI. I still occasionally have to interact with Rails codebases, although I have been trying to avoid it for a long time.
Former United States Secretary of Homeland Security Michael Chertoff supports it.

"Chertoff has been an advocate of full body scanners at airports. In 2010 he admitted that a client of his security firm, the Chertoff Group, is Rapiscan Systems, one of the two manufacturers of this technology."

http://en.wikipedia.org/wiki/Michael_Chertoff
Balancing barn
Other CEOs are not asses because they don't care about you. Apple cares about you enough to give you the treatment it would give anyone else and doesn't insult your intelligence trying to bullshit you.
Reading these reports just makes me think the terrorists have won. People may not be blowing up, but they're getting abused by the government that swore to protect them. And living in fear. It's a sad and completely avoidable situation. Shame on the US government for allowing this travesty to pass.
Here's one from that page:

"And you still have to take off your shoes... correct? Eight years to built the A-bomb. Nine years to put a man on the moon. Yet... after 9 years, we are still walking barefoot through airports. Something that would not be permitted in a health care setting... or a restaurant."

Yup. Good 'account'. Very... consistent.
I think what he writes is true: one does not have to be a genius to do mathematics.

But:

- He says that a reasonable intelligence is needed (I think it is something like an IQ of at least 120, so most of the population would have no chance. Come on, I know some guys who suffered very heavily from high school math even if they tried hard. But certainly a genius level is not needed to do math).

- Reaching the level of Terry Tao is impossible without being brutally talented. I have heard it from good, very smart, successful and extremely hard working (and enthusiastic) mathematicians. Other mathematicians achieved big things when they were children but Terry Tao consistently was ahead of even them. (Like winning a bronze medal at the International Mathematical Olimpiad being 10 years old)

Being a genius is an AND combination: talent and hard work. The 'talent is overrated' statement is true: most people underestimate hard work. This is similar to bodybuilding: most people think that steroids alone are enough to be a body builder champion. No: very lucky genetics AND steroids AND extremely hard work are needed.
Has there even been one incident where a US citizen has ever assisted a foreign terrorist to commit a crime on a US airline?

And if absolutely no one can be trusted, how can we trust our pilots not to fly the plane into the ground or the folks loading the cargo not to place a bomb on board?

This is absolutely ridiculous.
When doing comparisons (i.e. "Is this new guy really cheaper?") that sort of thing is figured into the price. Companies that care about morale figure more into the value of keeping existing employees, but places that use brain washing techniques [1] are going to count the "morale costs" of someones real value very low because they're controlling morale anyway [2]. I've directly seen this applied in several companies. Sometimes it was in response to loss in revenue (i.e. out of their control), a couple of times it was just because.

[1] When a company puts slogans all over their walls, keeps on bleating the same message about "we're a family", uses phrases like "always put in more than you take out!", it's nearly always because they're trying to create the impression in their employees that a relationship exists that actually doesn't.

[2] Most likely by driving it as low as they dare so that anyone who would leave already has.
I'm not sure how to interpret the graph. The 'Omega3' bubble is below the 'worth it' line, but the 'Fish Oil' bubble is all the way at the top.
Internet pioneer Vint Cerf warns over address changes
Or put it this way - turn adults into kids because I love playing around with it.
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Is there a tl;dr version of his thesis anywhere?
Do you have a source for that? I mean, there are many things you should be concerned about if you are suffering from deficiency - is vitamin D unusually bad or just more common?
Somebody might be emotionally devastated by that sort of behaviour. Especially someone who had suffered a very emotional experience, such as sexual assault/rape. It's an apt description.
I've found that the quality of a PHP project tends to be fairly independant of whether it uses a templating library.

One benefit of Smarty is that it forces at least some seperation of business and display logic. People will still try and shove business logic into the templates, but at least you know you're not going to find SQL statements halfway though the rendering of a table.
and don't blame a bomb just cuz it lands on your house
I'm not sure I agree with everything Scoble wrote, but it's definitely interesting. One thing I think he doesn't really talk about: whether Google wants to build things like Instagram.

The Google Wave example is a telling one - Wave wasn't the success Google wanted, so they scratched it. Nevermind that there were great uses for Google Wave, and there were probably hundreds of thousands of users on it, at least, who really liked it. In Google's eyes, Wave didn't succeed in becoming the huge hit they wanted, so it was a failure.

A small startup would have considered it a huge deal and pivoted on Wave's good uses until they turned it into a much larger project, IMO.
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On the page you pasted click on the top "Fish Oil" bubble and you'll find that the key study was about "Dietary supplementation with n-3 polyunsaturated fatty acids ..."

From wikipedia http://en.wikipedia.org/wiki/Omega-3_fatty_acid "n−3 fatty acids (popularly referred to as ω−3 fatty acids or omega-3 fatty acids)"

so omega-3 is just another name for n-3 fatty acids and on that chart it's just listed as Fish Oil instead.
@gmail.com is no @jdoe.net, but imho it's probably one of the most respectable free email domains.
Well, she's a rape survivor, she doesn't want people to see her naked and she failed to get on that return flight she'd be stranded hundreds of miles from home. Can't say I'd be entirely rational in her shoes either.
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It's not that I don't understand "Ruby magic" or "metaprogramming"; it's that the Rails codebase is spaghetti.

> I wish the idea of "Ruby magic" would die in flames!

Me, too. I think Giles Bowkett had an article on this; it was the only article on his blog that I liked. Superstitions and fear about Ruby's higher-level features remind me of people that are afraid of macros in Lisp or function pointers in C.
This is ridiculous.
Much better strategy to attack Facebook, would be to spin off startups for talented engineers. Give this $3.5M to Google Ventures, which will invest it into spin-off. The engineers still work for Google with much better upside (comparing to Facebook).
What kind of firewall lets 6to4 through without filtering it at all? "Default deny" should take care of this.
hopefully it will be a good speller
The point wasn't that Google can't make the technology, of course it can. The point was that Google can't create the product.

Besides, Instagram isn't even a key part of the post. Swap in any other hot startup of the week and it's still the same point: Google has an innovation problem (according to Scoble).
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> this is about politics, not science.

So keep it the fuck off Hacker News, dammit!

You people can downvote me all day long, but I don't give a shit. I'd give away all this stupid "karma" to keep HN from being filled with TSA/taser/injustice of the month stories ala Reddit.
4 is particularly interesting to me. When I worked at Yahoo! back in 2005 I was constantly jealous of Google's infrastructure stuff - Yahoo! stuff was all replicated MySQL, PHP, memcached and Java while Google appeared to be creating infrastructure that totally changed the way you approached large scale development.

In the past five years, it feels like the world outside Google has mostly caught up - in part through open source equivalents of Google's secret sauce. Hadoop, EC2, S3, the various NoSQL engines, RabbitMQ, Thrift, Scribe... access to the Google stack may not be as big an advantage.

I spoke to a Google engineer recently who complained that the Google stack was actually something of a pain to build agains, with a very steep learning curve and a great deal of innertia to work around.
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I kind of agree; it annoys me to meet people who emigrated and after years still speak with a thick accent and make strong grammar mistakes. I'm brazillian, and I observe this phenomenon both with foreign people in brazil (who apparently refuse to learn some vowels and gendered nouns) and brazillians who emigrate to english-speaking countries and still have crappy english.

I wonder why this is, though. First time I went to london (I was young) I was shocked that I, just out of movies and internet and some classes, spoke a better english than most working people I met in the streets who seemed to have emigrated there years ago.
This chap, Mr. Teachout, is the drama critic for the WSJ ( http://en.wikipedia.org/wiki/Terry_Teachout ), he's also a musician and librettist. The arts, and arts journalists in particular, have a vested interest in genius. If we suddenly find that genius isn't that magic "je ne sais qois" we thought it was for all those years, all that purple prose we wrote about artists in the past suddenly looks a bit stale.

In truth in the arts you have an almost unrestrained version of the Matthew effect - early success either through luck or hard work breeds more and more success. This is more true in drama than music - it is more difficult to tell a good actor from a bad actor than the equivalent violinists for example.

(Sour grapes alert :-)) I trained as an actor, and I know from my cohort that the ones who are really successful now weren't objectively any better than most of their colleagues at the beginning. Their entire careers now rest on the fact that they had two or three really lucky breaks in a row very early on - choosing the right speech at the showcase and getting that good agent, getting a good tv job early on etc. The upshot is that ten years later, they've been working on their craft constantly and so now ARE objectively better than the classmates they left behind, no contest. It is extremely unusual, though not unheard of, for someone who was unsuccessful at the beginning to go on to develop a high profile career and even then the examples you read about in the press are probably fabrications or half-truths (the cliche of the overnight success for example).

I find that arts journalists consistently misrepresent the element of luck. Perhaps because they don't understand, or it undermines them in some way. I've never read an article about an actor friend of mine that has told the truth about how they've come to be successful. It's always something along the lines of "they always new they were special", or "hard work got me where I am today". I'm not suggesting that the actor is lying, although I wouldn't blame them if they did. Your reputation is your career, and if you declare yourself to be a lucky chancer you might damage it. I've always thought that it is more likely to be the journalist justifying why we should look up to the interviewee.

In any case, does anyone here know what happened to Mozart's sister? Perhaps it was harder back then for a woman to be a composer than it was for men? The last orchestra I saw was 90% male, so this wouldn't surprise me one bit.
Ask HN: What can I build for you today?
What's your biggest pain point?

I want to build a webapp that people and/or businesses will find useful. I'll start building it right now.

One webapp per comment will make it easy for people to vote.
Wrote it in the post comment, but will write again. The company I helped get traction (Codility) would address many issues people have with remote testing: manual work, some of the cheating and qualitative vs quantitative dilema. I may be biased, due to my former involvement, but it costs nothing to try it, so you can see for yourself: http://codility.com/demo/take-sample-test/
Awesome list. I'd also recommend adding one more:

- Never stop learning.

The tech platforms and even underlying practices (Web, NoSQL, etc.) move so damned fast that even skipping a few years could leave one feeling quite daunted.
he perfectly explained why he can't explain it in terms of other things which people are already familiar with.

It's because all of these things which people are familiar with are in turn macroscopic consequences of the electric and/or magnetic forces.

And what's very interesting in this video, is that Feymann recognized that the interviewer was expecting, and would be able to comprehend and accept, only those explanation involving some concepts he already masters intuitively.

And that's extremely important, it's the very nature of what "elementary" means and talks about the hard issues about understanding the deep structure of the world we are living in.

Feymann was a great teacher, and his way to make you reason are always insightful, and that's far more important than whatever simplistic explanation of the magnetic repulsion to a layman person you can find anywhere else.
I'm always a bit surprised this doesn't some up more often in these discussions. I used to use little serial GSM/GPRS modems anytime I needed to handle SMS, and that was while working for a voip company with lots of infrastructure in place for that kind of thing (the modems always won based on simplicity, speed, and consistency).

At the small scale spending $100 or so to have an unlimited test system seems comparable, and for large scale I'd much rather be buying a few unlimited SMS plans than paying per message. If the wireless provider supports SMS over GPRS you can do something like 30/min so you may never need more than one modem and sim. I wonder if it is just the barrier to entry, since you have to know that such a thing is possible and hunt down hardware/software to fit your needs rather than just buying in to one of these companies' pitches.
For example if you can prove a hard open mathematical problem at which great mathematicians failed then you are a genius. (This is just an example, there are other examples, but this is quite objective.)
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