skysight-inc/HackerNews huggingface dataset:
While it might be interesting to do a comparison of extreme sports and entrepreneurship, I don't think we could draw any meaningful conclusions (neither one depends on the other).

You might find the following article interesting, published in Nature in 2008. The researchers compare entrepreneurs with managers (controlling for age etc). It doesn't really make the same distinction I did in my previous comment (re risk tolerant vs seeking) but it's relevant nonetheless. The paper is: Lawrence et al The Innovative Brain (http://dx.doi.org/10.1038/456168a) and slightly off-topic comment Hermann Hauser (http://dx.doi.org/10.1038/456700c)

...this risk-taking performance in the entrepreneurs was accompanied by elevated scores on personality impulsiveness measures and superior cognitive-flexibility performance. We conclude that entrepreneurs and managers do equally well when asked to perform cold decision-making tasks, but differences emerge in the context of risky or emotional decisions.

I'd argue that there weren't so much risk-seeking but the willingness to place bigger bets would indicate risk-tolerance (that's my interpretation, anyway)

If you don't have access to the journal, I've dumped them both in the following pdf. It'll be there for at least the next week but no guarantees beyond that (if you're reading this and it's gone, email me for a copy)
http://dl.dropbox.com/u/486678/InnovativeBrain.pdf

Aside: So sorry to see notify go. I'd probably never have seen this comment if I hadn't got an email about it.
thanks! yes moving on, taking all the experience with me. Next startup will be better!
The author could run this through spellcheck…
Yes I believe minimal changes means lesser bugs. And yes! It's freaking cool they way Redis guys have coded this thing :)
I'am a django dev too (+IOS if needed). I'm definitely interested by this kind of work. Where are you based ? I'm in Brussels, Belgium.
All else being equal I'll take more unicorn, please.

But the point is that PDFs aren't very compatible compared to HTML. Nor are they very versatile. You're limited to viewing them as intended (which may not fit your screen, eyes, or task very well) and searching is usually limited to a non-regexp find.
I don't see anyone arguing that the database is stupid for being slow. I see a bunch of anti-ORM people arguing that an ORM is never the right solution to any problem ever. I also see a bunch of people arguing that ORM mixed with SQL is perfectly fine and there is nothing 'broken' about it (which I think is the more moderate view). I don't see anyone here arguing the opposite extreme of "ORM is always the right approach to every problem." I view the "ORM fan" as a strawman for the most part in this whole discussion.
Have 3 different experiences:

1. We immigrated from Russia when I was 9- didn't speak a word of English (didn't know what "who are you?" meant on the first day of class). Spent the first year in an ESL class, within a year I was speaking English freely, all my classmates were also recent immigrants from former Soviet republics so there was very little culture shock (at least in school). But because the class focused on English and little else, I lost the great math skills I had when I came from the Russian system. Took me a few years to get completely comfortable with my new language but by the 9th grade I was one of the top students in all my classes (except math, that skill or rather the interest in the subject never recovered).

2. My cousin's son was born in the US. The parents wanted to make sure his first language was Russian- they only spoke to him in Russian, he went to a Russian day-care, watched only Russian cartoons, had only Russian friends. Then for kindergarden (around the age of 4 or 5) he got sent to a normal American school. The first month or so he experienced what the writer's kids experienced- complete cultural shock, he spent the evenings at home crying that he didn't want to go to school because he couldn't understand anything, but little by little he adjusted and is now comfortable in his new environment.

3. My wife and I met in Moscow last year, she moved to the US six months ago. She's in her early 20s, very smart (finished her university with straight As), had a good job in Moscow and is used to always being the best at whatever she tries. She's studying English full time, but is having trouble adjusting to an environment where she is not independent and has to rely on me not only financially but at least initially on simple things such as grocery shopping or explaining to the women at the nail salon how she wanted her nails done. She's picking up English quickly but the first few months she was afraid of sounding dumb and refused to speak English with anyone outside of a classroom environment. I won't even go into the cultural shock and how difficult the transition has been for her from a popular, successful woman to one with no job or friends in a new country (that's a topic for another post).
The MIT Guide to Lockpicking isn't about lock picking, its about how to think as a successful programmer. At least, thats how I've always viewed it.
You're right, open source and the Web have both done a lot to take down old-school, straight-ahead proprietary ploys such as closed source, market-power-based de-facto standards that competitors have to reverse-engineer at very high cost. Even on Windows (itself still closed source).

The two technical/cultural shifts, open source and the open web, make for a good trend.

That's why counter-trend action such as delayed-open (Dart), delayed/partly-open (Android, e.g., but other examples are easy to find) raise hackers' hackles. At least for some hackers.

And hackers aside, the competing vendors meeting in existing standards bodies get left out. That clouds the prospects for future standardization, unless (again) based on market power. Which is not there, if the topic is Google Dart (and it is :-|).
I'm 25 and I require 8.5 hours of good sleep for optimal performance.

I did some benchmarking about three years ago by timing myself trying to solve similarly-challenging Sudoku puzzles in a Nintendo DS game. With good sleep, I'd consistently approach 14 minutes with zero mistakes. After about 2-3 days of not having good sleep, it would drop to 16-20 minutes with more mistakes. I would also consciously notice various effects like diminished memory recall, more stuttering, poor focus, etc.

I've also been hearing that the length of sleep required is typically reduced with age. I don't have any citation on this though, would love to read more on the topic if anyone has more insight.
Hi Mike,

no need for papers, I'm not the Internet police. :-P

It's just that your first comment came across as very suspicious, aside from not adding much to the discussion.

Even having established that it's not a sock puppet account per se, it is still convention around here to disclose affiliation (anonymously praising your brother's company qualifies for this).

Anyway, welcome to HN and best of luck with your startups to both of you.
It was a midweek side project so there was never a business model in mind. I tried starting up http://kennelboard.com, but it never really took off (selling and developing is hard on your own), so I'm now looking for a job and hoping that this will help me swoon potential employers.
"Anyway, feel free to argue about this all over again..."

This was just as applicable when you first posted three months ago, Laurie. : )
Not so,

The helium will be denser, but it has a molecular weight of 4 as opposed to ~29.

Suppose it is 20% cooler -- thus occupying 20% less of the volume at equal pressure, thus being 1.25 as dense.

Lift will be proportional to 29 * 1.25 - 4 * 1.25 = (29-4) * 1.25

As opposed to lift at our reference temperature 29 - 4 = (29-4) * 1

Showing clearly that there's 25% more lift.

The bigger problem is if the envelopes collapse, but clever people have already solved this by having an internal bladder filled with air to take up the slack.
For me, nothing really clicked until I actually started working on something that was meaningful to me.

Before that, I tried every book I could find, religiously watched the latest Railscasts, Peepcode screencasts, etc. and watched every free tutorial out there. Until I started working on something that I needed and just plowed through it until it was built, nothing truly clicked. It also helped that I locked myself in my attic for three weekends straight to get my first "real" project done - setting aside that kind of time to focus is huge...

Just pick a small-ish project that is personally relevant and hack your way through it until it's reasonably functional. Also pick a language that is fairly simple and readable (I chose Ruby, but there are lots of good options) and a problem that isn't too difficult at first (e.g., a straightforward CRUD app will build confidence before moving on to bigger and better).

Also, you'll see a ton of recommendations for the "next big thing" (e.g., Node.js) on sites like HN and you'll be tempted to run from one new language or framework to the next. Try to avoid that if possible. I think the key is just picking anything that can get you as close as possible to solving the problem you're trying to solve. Later on you can worry about finding the ideal tool for the job.

I should note that I'm not a pro developer by any means, but I can hack together prototypes and simple apps fairly quickly coming from a similar background to you, and this is the way I went about it...
Thanks for the ideas. You can now edit the submission. I am considering the reply functionality, I just wouldn't want it to compromise the simplicity.
In a world where people expect blockbuster films to be meaningless GCI spectacles, I admire Lucas for having the gall to make a serial adventure series with a moral point, even when it means making unpopular decisions with his fans. Case in point -- the Greedo edit might have pissed off some people, but it had a purpose: making that encounter thematically consistent with the rest of the films in forcing the aggressor to lose. Power to Lucas for caring enough about his films to clean up their loose ends.

More commentary on the films: http://www.brightlightsfilm.com/38/clones1.php
Well, sure, because they're full of books. But if libraries plan to survive in a future without books then they'll be full of computers.
Interesting story, but how is this hacker news? I thought we tried to avoid highly flammable topics like politics or religion.
dammit, I read the first couple of words and thought this was an article on scala.
Creating HTML5 Cache Manifest File using PHP
I think this was a patently awful idea, and I think that a close reading of the article supports this.

Consider the situation: A person with some underlying psychiatric disorder decides to steal a car. They are arrested, trialled, and ordered to receive counseling at a mental health institution. As a result of the counseling, they are able to cope with their disability and become a more successful member of society.

Does this mean that stealing a car is a good idea? No!

The kids were not successful because they were forced to learn Russian. They were successful because they entered an innovative and expensive (USD 10000!) private school which made special exceptions and put in extra effort to bring the kids up to speed. This sort of extra effort is not the sort of treatment one should come to expect and rely on. It is what humans do in order to take care of others who have made grave errors; it is an outgrowth of compassion for the foolish. The bit about a teacher running a class in English should really drive this point home.

I am happy to hear that the kids were able to succeed. However, the author is a chode.
As a technical person, my advice is not to look for Wordpress expert. Just outsource that to a small firm or a company that manages a lot of that.

What you're asking for is pretty simple in Wordpress, I wouldn't bring on a co-founder for that. Just my two cents.
Göztepe Karşıyaka maçı özeti golleri izle 17 eylül 2011
uhm ... first puzzle askes me something in chinese letters and both options cause the application to stop working ... in Chrome ;-)
My last encounter with Richard Feynman was not long before he died. Richard and Carl ate dinner with Julie and me at our house. We spent the rest of the evening practicing lock picking with locks from my rather extensive collection. I still sorely miss my friend, Richard Feynman. When thinking about interesting ideas, from either physics or computation, I often ask myself, "What would Feynman think of this?"

-- Gerald Jay Sussman, MIT AI Lab, co-author of SICP
The gas inside airships is at extremely low pressure so, whilst a large target, they're actually not as vulnerable as one might think.
Gratitude and Forbearance: On Christopher Lasch
Memories of the Nimda Virus
Agree that this article isn't the most descriptive, and evolutionary may not be the best of terms, but it should be noted that epigenetics has caught the eye of developmental and neurobiologists for some time as explaining much more of human traits/behavior than our DNA itself.

The human genome is composed of roughly 20K protein-coding genes, not enough at all to code for all the complexities in our body (if there was a gene for every bifurcation in our capillaries, we'd run out of genes pretty fast; in addition to the fact that there is no single gene for specific human behaviors, i.e. "aggression").

Epigenetics, in its simplest form as DNA methylation, provides a powerful solution to many of the issues of "there aren't enough genes", and explains a lot of the chaos-elements / environmental impacts on heritability of traits.

DNA methylation, by consequence of wrapping the DNA in chromatin, controls access to which genes get turned off/on by transcription factors (TF). TFs in turn are often influenced by environment, especially neonatal. If you do the permutations of which genes are on/off, b/c a TF can/can't access the DNA, b/c the chromatin is on/off = a whole new set of permutations that entail a new information code.

A good example of the impact of epigenetics is obesity. Children's propensity to obesity often has a lot due to with epigenetic influences during neonatal development. For instance, if a mother is pregnant during a famine and thus doesn't eat much, the fetus' digestive system will adapt to starving conditions through epigenetic changes in chromatin that bind the relevant genes, thus developing a "thrifty metabolism" (digests food slowly). This trait then stays through generations, and when such people move to the West, their metabolisms incline them towards obesity as their body still digests food slowly thinking they were born into starving conditions.

So long story shot, epigenetics aren't "evolutionary" in the original sense, but they are redefining how traits/behaviors (too complex to be explained by genes) are inherited/developed.
Open Source: Develop Web Apps with Voice Recognition
I'm not quite sure of some of these resources. They mention neither Rails Tutorial nor Rails for Zombies, and the wiki links send you [to blank pages](http://wiki.rubyonrails.org/rails/pages/HowtosInstallation). They're more random than quality really.
Solar System Scale Model - side scrolling required
Always good to read are the guidelines: http://ycombinator.com/newsguidelines.html
The final puzzle is broken if you block third-party cookies. Weak.
Tues European Scientists Discovered Cancer Busters | Top Cancer in The Word
Why Your Google Adsense Earnings Suck
"We also truly believe in spending on hiring the right talent, contractors or agencies (and paying them competitive rates along with rewarding them with bonuses)."

And yet you recommend crowdsourced design sites like 99designs.com?
TotalFinder: Everything the Native Finder Lacks is Here
This article has one main point that I have come to agree with. If you are using an ORM, consider that you should actually be using a NoSQL database instead of a relational one.

It may be the case that you don't, but really -- if what you want to do with objects is retrieve them, modify them, and save them, then a key value store is more like what you need.
Anything that requires extra work from students is no-go.
I'm going to study this and use it. Not for malicious purposes mind you, but I just moved into a new apartment where my door is ALWAYS locked. You can imagine I've accidentally locked myself out a couple of times such as when a angry gust of wind slammed my door shut.

I will call the landlord no more!
It's a Black
The answer is: because you often want ONE PLACE through which queries are sent, and you often want this place to understand the STRUCTURE of the query, in order to do things like sharding, for example.

Sometimes, this one place is actual a MySQL proxy. Check out ScaleDB, which they just launched - it looks promising.

But other times, it will be in your own app. That is the ORM :) But in that case I wonder how often you really need relational data stores.

You will actually arrive at some sort of ORM if you start abstracting your CRUD operations into ONE PLACE. Basically ORM is the product of DRY.
Even someone who learnt when (s)he was 8 had to learn somehow ;). In my opinion (no one is gonna agree but I'll tell it anyway), I'd start with a language like BASIC. You need to understand variables, loops, conditional branchs, and all the basic stuff before other concepts (object oriented programming, etc ... ). In modern languages, everything is mixed together, which is good for coding but ot that good for learning. I'd do Basic -> C -> C++ . This combo will give you all the basics you need without teaching you "bad" habits. Then up to you : java, python, ruby, haskell ...
Native Client creeps into Chrome 14
The only time it backfired at me is when the package you want to rollback to is not in your cache, and basically the only time it happens is for the version installed during the install phase: the installer does not copy the package from the install medium to the target package cache, as it uses it straight from the medium.
Watch,Abduction,online,megavideo
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phone early in the morning in March 1997 I did it because George was the Director of the State of the Mutual,
Divided and Conquered: How I Learned to Love the Museum of Mathematics
How Steve Jobs & co won over the world
Intel "River Trail" (Parallel Extensions for JavaScript)
The bag of rice propping the door open brought a smile to my face. I can just imagine someone needing to cook some rice then realizing the quantity needed may tip the balance in favor of the door. A second of hesitation before the aha moment and finding a new door prop...till the next day when someone goes "Where the hell is the rice?"

ya.....I need to get back to work!
div's comment summed it up: one of the most useful MySQL patch sets floating around was released by Google to help address scalability (http://code.google.com/p/google-mysql-tools/) and this appears to have continued until the present: https://groups.google.com/d/msg/google-mysql-tools/Bc7P5SIRC...

I also know that they use at least one big financial reporting packages but I'm not sure whether the use of Oracle Hyperion is evidence for or against wisdom.
I assume Ilya Volodarsky, a cofounder: http://www.linkedin.com/in/ilyavolodarsky
Just duct-tape an extra key somewhere weird.

(Make sure it's weird enough. A block down the street underneath someone's front steps, under a mailbox that is not yours, something like that.)
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You can get the info from the RSS feed, like site name, site url, category etc.
Why aren't ◎ܫ◎ and ☺ valid Javascript variable names?
"Business guy" is overused. 8 things a business guy should usually be able to do
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Managing ideation « The Amateur Observer
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I'm guessing the surveillance applications are particularly appealing to the military. How long could a drone version stay aloft at high altitude, out of range of common weaponry?
That's horrible advice.

Firstly: Leaving your key in someone else's property is a good way to lose it.

Secondly: Burglars are very aware of people leaving extra keys around, and what you may think is a super hiding place is actually #4 on the burglar's Typical Clever Hiding Place list.

Duct-tape a set of lockpicks somewhere weird instead, if you're going with that. No biggie if you lose them, and a burglar is either not going to have the skill to use them, or carry his own, better set instead.
Haha, yes, that's the quote I was thinking of when I said that. I couldn't remember it exactly, or who said it. Thank you.
It's amateur hour. Some basics:

All the shades of yellow are subtly different
The font sizes are all over the place
The fonts themselves are all different, you seem to be using 4 different ones
Whitespace proportions are wrong
The red and the yellow don't compliment each other
The shading effect in the red looks horrible
What the hell is going on in the footer?
Why are there full stops after people's names in the quotes?
The embedded video has a higher z-index than the form for creating the mobile site

Also the video is downright insulting too. Your target market seriously don't know what an iPhone or an App looks like? Or how to fill out a form?
I've done volunteer web work via The Taproot Foundation (https://www.taprootfoundation.org/). It feels a bit more "consultant-ish" than "startup-ish", but there are a lot of great opportunities. Check it out if you're in the LA, San Francisco, Chicago, NYC, or DC areas and interested in volunteering your time and skills.
Let's be fair for a moment. Now I admit to skimming the article, but it sounds like the author is more complaining that he hasn't seen an ORM implementation he liked. Perhaps he hasn't used SQLAlchemy yet. :-)

I'm not saying that to be snarky. If I hadn't used a good ORM like SQLAlchemy (although I'm sure there are others out there), I'd be inclined to agree.
I'll acknowledge that I was quick and snide. However, I do not think the future of libraries is to become banks of computers.

That would make little sense considering that the alternative would be cheaper and provide better service.
River Trail is an interesting new project by Intel that brings GPGPU-style parallel execution concepts to the web.

This is not a generic parallel execution API; there are no threads or locks. From the developer's point of view, River Trail's whole API is contained in a class called ParallelArray:

https://github.com/RiverTrail/RiverTrail/blob/master/jslib/P...

Once your data is in a ParallelArray, you can pass JavaScript functions to be executed on the ParallelArray's elements using the following constructs:

* map
* combine
* reduce
* scan
* scatter
* partition
* filter

Behind the scenes, River Trail takes your JavaScript function and compiles it into an OpenCL kernel. (It appears to use Brendan Eich's 'Narcissus', a JavaScript compiler written in JavaScript, as the front-end for this compiler.)

It seems pretty clever and well thought-out. The API is pleasingly small, and very "JS-native" because you don't need to learn a different programming language to express kernels. I'm hoping to see River Trail in browsers one day.
My wife still comes home from the flea market with old padlocks for me that she gets for a quarter because they don't have the keys. They make excellent cheap and sometimes challenging puzzles.
Good plan. From the Django documentation:

"DO NOT USE THIS SERVER IN A PRODUCTION SETTING."

(https://docs.djangoproject.com/en/1.3/ref/django-admin/#runs...
)
Hi, I'm Carl. I am more of a non-technical guy (even though I am currently learning ROR), and would love to help with anything that has to do with logistics, marketing (including SEM and SEO), along with project management. Feel free to reach me at my profile's email.