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No, I'm not sure what you are getting at.

> But, in a socialist system, whom would hire these people who would be on the brink of survival?

I'm saying it would never get to that. Just like if you lose your job now, you don't wait until you "are on the brink of survival" before you find another job.

>whom will pay them for the creation of value, and who will judge the value created, and who will thwart value creation through placing incorrect judgments?

I'm not sure what answer you are looking for here. You are clearly driving to a point, without actually making it. How about you make it, rather than the socratic run-around.

> Do you see where I am getting with my questions?

No, I don't. Because you never actually made a statement in your response.
This is ringing true. It somehow illustrates how essential computational complexity is because you're totally fucked up if you have no clue--yet how rarely you actually bump into the question of complexity in real life.

I'm self-taught and I've read and learned about computational complexity several times from various CS books and later Internet since I was maybe fifteen years old. I know how O(1), O(lg n), O(n lg n), O(n), O(n^x), and O(x^n) scale and which kind of algorithms roughly belong to which order of complexity.

However, keyword being several times.

I so rarely bump into these that I don't actively remember if heapsort is lg n or n lg n, or how the best-case, average-case, and worst-case complexities differ exactly between heapsort, quicksort, and mergesort. (I do remember that mergesort had a good worst-case behaviour in comparison to the others, at least quicksort, but I'd really have to check the bounds separately.) To mitigate this, I've guiltily re-learned them several times--I like reading Knuth or other CS books per se, just for fun--but like anything you don't need you do have a hard time remembering.

However, I do recognize them all being lg-something and looking up the various bounds is just a Google search away. Further, I do recognize the complexity orders in the sense that I might prototype something and initially stash items into a linked list but make a mental note that accessing the list can potentially become a bottleneck because it's O(n) so I shall reserve some mind power to change it into some O(lg) tree or ordered array at some point.

But at the other end the truth is that you just have to have some idea about complexity. You generally don't need more than that, and when you do you can just re-study that portion of the subject in detail from a huge number of web pages.

For example, it's useful to recognize the obvious bottlenecks of O(n^x) and O(x^n) but if you do, you don't bump into them anymore. You might bump into O(n) bottlenecks because you left them there yourself, probably on purpose, but since you recognize what linear complexity can do you will generally just change the relevant data structures into O(lg something) and be done with it. And if O(lg something) code becomes a bottleneck, you usually have stupid access patterns elsewhere in the code; I don't remember ever seeing a binary tree alone having become the real bottleneck in any program with the rest of the code being optimal.

What's interesting is that I more often bump into problems with the physical representation of the data structure than the computational complexity. A big naive hash table can cause lots of cache misses unless you deliberately work to align your items withing as few cachelines as possible. The difference between accessing five cachelines rather than five hundred cachelines can be blasting. I know this kind of optimization wouldn't scale towards n⇒∞ generally but it can have a big
effect on real-world programs.
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Density of expertise, I suspect. If you're working on a software startup, by definition you're dealing with unknowns. Having companies in the area that have staff that are operating on the cutting edge of everything from cloud services to hardware means you're a hell of a lot more likely to trip over someone who can provide you with the expertise you need.
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Not really that cool, when you see how they've ensured it will be available only as long as the web site and the institutional support continues.

If there was a download link for the whole thing, documents and UI+backend source, now that would be cool.
That said, if building basics web apps is all you want to do (e.g., internal enterprise applications) then you don't need this knowledge.

Watch it before deploying those big joins that worked so nicely on your development data set, then.
Because in general you're more likely to check and/or update the .py files than .pyc files, I'd say.

Btw, a nice (GUI) tool for examining/disassembling pyc files is: http://code.google.com/p/pychrysanthemum/
(it supports all the different python and bytecode versions without having to mess around with opcodes.py files...)
A concise presentation of most of the core features of Objective-C. It lacks protocols, however.

Apple has a bunch of good tutorials, for example this one: http://developer.apple.com/library/mac/#documentation/cocoa/....
There is definitely a need for something like this in the recruiting market, as there are many fake profiles on linkedin (I ran a recruiting thing for a while).
But most of the companies already run their own education & employment history checks, and at $40 its a tough sell to Job seekers, at the start, unless I really am guaranteed a job with the badge :).
A suggestion would be, to make it free for Job Seekers, interviewing them and making sure they are who they say they are and etc, and then you can try talking with companies to use this as a service and charge a referral fee.
I would say that you will feel this way once you see someone doing half the difficult job you do, but because of his productivity and problem solving skills takes huge strides because of the lack of good folks in the 'outsourcing quality' work that you describe.

The day you see such a guy, you suddenly get a feeling about the what the hell are you doing being average among the crowd of algorithm writers, while you could actually be a leader earning great money and with a big designation.

As we age we carry on a lot of financial responsibilities and money will play a huge role in the choices you make. You may give a great interview and go on to work with the brightest engineers at google and get lost in the brilliant crowd. At that time when you start reviewing your choices, you will get a feeling that you could have been unmatchable only if you had chosen a more easier career path.

In short,

There is no point being an average guy among a crowd of brilliant people.
Pretty funny. Does sort of show how laughable the startup scene is. Especially the tech startup scene. It's interesting to stand back and see how "startups" is an industry in and of itself. Almost like some kind of meta-industry. Keep selling us dreams and gold pans! :)
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While not a new startup by any means, consider a company like VMWare. All their sales pitches discuss CPU architectures and how their products are compatible. (The pitches I've heard personally, anyway).

They want to be a big player in cloud, so it makes the most sense for them to be located in Silicon Valley. After that, it's a network effect.
Do you actually have a point to make, or are you just assisting people in pointing out Rhetoric? (without calling attention to your own?)

I've responded above with a somewhat sensible view point. How about you contribute there?
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You are still missing the point. In imperative programming there is no guarantee that the counter isn't modified in some place else or wrongly. In the end it's just an integer that allows all kinds of mutations.

The possible value changes in the Haskell FRP example, on the other hand, are completely described. There is no other manner in which the value can change.
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This is loving and potent satire. Well played, folks!
This is an excellent tutorial, especially compared to the other one. The only thing I took issue with was this:

if ( [self hasPrefix:@"http://"] )
return YES;
else
return NO;

The other thing that puzzled me a little was the K&R interfaces and Allman everything else, but I guess it's a consistent style. I do use K&R exclusively for blocks, so I suppose I am just as guilty.
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Interesting that I read this article today as yesterday my bank called and said that they are sending a new debit card with this technology. I never heard the technical term of NFC before but it's been around my country for awhile under the more consumer friendly term of "touch and pay".

And BTW I live in Canada, not some European country or Japan. Why is America so slow to adopt these things?
The Penguin logo on http://thisiscolossal.com/2011/09/custom-polargraph-drawings... is a nice step in this direction.
Are you stupid? Zynga's not a young company at more than 4 years. And this is horribly detrimental for any prospect of IPO.
Google by any other name would still be rolling in cash. McDonalds has 10x the revenue of Burger King. The Wii was mocked and ridiculed, but has shipped 60% more units than its competition. Some name choices are problematic, but what matters is to have a "good enough" name.

Here's a good article on choosing domain names.

http://www.seomoz.org/blog/how-to-choose-the-right-domain-na...
This is easy to figure out. Move the detection station to, say, half the current distance. Do the neutrinos still come out 60ns faster? Then it's a problem with the apparatus. Do they come out only 30ns faster? Then some of the Physics needs to be rewritten.
it's missing some important items like Paul Graham's 101 Start-up Commandments and something YC-themed I couldn't come up with yet.
A lot of lawyer work consists of document analysis, which could be done by a advanced IBM-watson-like systems. The point is not that it will replace all lawyers, but all-in-all, they have less work, so less people can be employed full time (same with doctors, and maybe even programmers, don't think we're safe ;) ).
Wait... Sorry, but you ... didn't proofread your ToS?

Really?
Ah, I see, thanks. Seems much simpler for the landlord.
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It wouldn't be slow on "reasonable" testing datasets.

Do you time your app at various loads (including well beyond expectations), graph the performance and look for non-linear increases?
Ask HN: Your impression of YCNYC tonight (9/26)?
Wondering what everyone's thoughts was of the event tonight, regarding Paul Graham's presentation on the unique aspects of any startup hub, and NYC's ascent into that category, the YC alumni startup presentations, networking, etc.
Hm, cool. That shuts me up :-)

Guess my underbelly feeling may simply be wrong then :)
How is a college writing center free?
At ycnyc tonight, I would have liked a show of hands of how many people came from outside NYC to attend this event. I came from Seattle, and I met a decent number of people from Boston, Philly and other cities.
Shortened URL =
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Try not to do so (HN rules and all that)
Well for one you don't have to be in college.
It's an interesting idea in theory, but I honestly think that the number of people who care enough about privacy to want to log out (or otherwise stop the cookies from being sent to Facebook) would be so low that it wouldn't be cost-effective. My guess is that it would probably be confined to HN's demographic.

The sort of zeroing-in on individuals based on traits/information, however, does kind of remind me of this: http://adage.com/article/digitalnext/target-a-facebook-ad-a-... - not really relevant, but still kind of cool.
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Zynga used Flash for the same reason everyone else uses Flash -- ubiquity and consistency. HTML 5 canvas/JS would require divergent codepaths for each browser since they all implement different subsections of the spec (occasionally in different ways) and would still probably require a Flash fallback for IE users (most of Zynga's target audience).

It would be nice to get automatic compatibility with anything that runs a modern web browser, but the sad reality is that most PCs don't use a modern web browser, and HTML 5 doesn't really simplify anything. Flash runs the same everywhere from only one codebase.
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I am looking forward to the "Observations of Observing Observer" article which is sure to follow, as it appears that images in this blog post have been 503'd due to downtime or capacity problems!
Here's two suggestions (unrelated) that may help your brainstorming, with the benefit of some (potential) validation of market need:

1) (top down) check out www.crunchbase.com - there are about 75k companies there, a significant portion that are startups. Browse privately held companies in a category interesting to you -- you'll see 'current problems' that entrepreneurs and VCs believe are commercially viable.

2 (bottom up) Take a few areas of professional or personal interest, look at the leading tools/services/companies related to each of those interests, and for each check out discussion boards, FAQs, blogs, etc. to see where there is a lot of interest (via suggestions, complaints, work-arounds) for getting something fixed, or doing something better.

As you start to think of how YOU might tackle the problems you see from above, you are generating startup ideas ...
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Amazon has a cross licensing deal with MS for access to each others patents.

http://www.pcworld.com/article/195151/htc_cuts_licensing_dea...
When she said 6%, she sort of meant 100%
Coming from C++, protocols vs categories still mystify me a bit.

They appear to be methods for doing multiple inheritance type stuff without the multiple inheritance problems. From what I understand protocols set a list of methods that a class implementing that protocol must provide, whereas categories let you 'tack-on' methods to existing classes.

They seem like powerful features & I'm sure there is more to them than I've described, but I sometimes have problems re-wiring my brain to 'think in objective-c'.

Seeing more tutorials that show how to use these interesting language concepts in real projects would be very educational.
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First of all, thank you for staying on point and keeping your rational train of thought. You have been the only one to realize the purpose of my post: stirring rational discussion about a very difficult issue that deserves attention from entrepreneurs. Also, thank you for calling me out on the Socratic run-around and lack of direct statements. Here are my counter-arguments (and notes of agreement, where possible), one by one.

> I explained, there are more drivers than 'success' in the real world, that are not simulated by grades.

Of course. Everyone has a set of values that they follow through virtuous action or otherwise, whether they realize it or not. Some seek the values that ultimately lead them to their demise, others to their success. This does not, however, preclude that some values are good and others bad for a given individual. So if achieving good grades were the standard of value in a school system, then it follows that the driver of success in that context were the grades. Yes, in the real world, there are other factors (and if grades were analogous to currency, then the acquisition of wealth is not the only thing I'd be after - and I'd certainly not be accumulating in fiat currency).

> The example in the OP illustrates a 'crash' of a socialist system, by saying everyone gets Fs, if you convert that into money, you are talking about a complete crash of equity (i.e there is no money to share around). Meaning there is no welfare, meaning they all starve, with their families. You don't die, if you get a bad grade, you do die, if you don't eat.

Of course in a crash of an economic system, wealth allocated
by individuals in worthless financial instruments (made worthless because their worth had been sanctioned by fiat) would be wiped out. Those individuals whom will have invested in other stores of value prior to such a crash would prosper, while others would live in squalor or perish (with some room for those in other parts in the middle of the spectrum). Such collapses have happened in the past, and are likely to happen again. Look at what is going in Europe for some early warning signs. There's no true socialism anywhere, but there are very serious attempts at implementing some of the philosophy of socialism. In places where the attempts are the most honest, the crashes shall be the most drastic. The places where they are the most honest, are the places most analogous to the classroom example in the OP piece.

> At less extreme cases people will always want to improve their living situation, and thus will strive to generate more capital (or more directly, contributing value to their community).

Yes of course in less extreme cases of socialist-like socio-economic systems (as in the US), those who see the writing on the wall will attempt to improve their situation - at any cost - and some without even realizing that they are doing so. I think that many entrepreneurs are in this class.

Now as to the reality of the failures of socialism... and its various interpretations... is the analogy of the OP piece I posted clear? Does it make sense, given what I've written above?
Finally someone did it! I didn't read through it yet but I definitely love the start. Thanks!
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This sounds easy, but it's not.

The neutrino detector needs to be far underground (to shield it from cosmic rays), is pretty heavy (I remember something about 60 metric tons, but it could be more), its location needs to known very precisely, and it needs the same sophisticated timing infrastructure as OPERA has.

I guess it would be easier to build another neutrino emitter at a different particle accelerator, and direct the beam towards the OPERA lab (or another existing lab).
Far be it from me to be someone who defends Zynga on anything, but your post is pretty ridiculous.

HTML5 is a pretty iffy target platform for games today. It is very difficult to support all the different browsers across desktop and mobile well and still have fast audio and even just simple 2D graphics. That's today.. in 2007 (when Zynga was started) HTML5 basically didn't exist as anything other than a pipe dream. If Zynga had "bet on HTML5" back in 2007 they would have been a stillborn company that never made any profit to begin with. For the types of games they make, Flash was inarguably the only option then and even today on desktop browsers it is arguably still the only reasonable option.

Yes, HTML5 will be great for games, maybe in 2014 or so. I'm sure they have people there working with HTML5 and getting ready for that.
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My main concern with a shuttle service is traffic. Caltrain is predictable most of the time and quite fast compared to a car.

(I commute from Sunnyvale station into SF everyday.)
I'm not going to comment about this comparison between SV and NYC, but I think it's really interesting how PG mentions that bit about Zuck crossing paths with Sean Parker. It reminds me of this clip from Stanford ecorner about how Max Levchin and Peter Theil randomly met one day at Terman - http://ecorner.stanford.edu/authorMaterialInfo.html?mid=1022

I think Paul Buchheit said it best regarding serendipity - http://paulbuchheit.blogspot.com/2010/10/serendipity-finds-y...
You forgot to mention that Zynga/FarmVille was also one of the reasons Facebook picked up (and kept) so many users so fast.

It's digital crack manufactured by Zynga's bench of psychologists, but it brought in the users.
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Did Zynga do anything to cause the user base to decline?

You mean, other than being evil incarnate?
Please note that the tutorial was written some three years ago. It starts to show on some parts, for example people starting to learn Objective-C today can spare themselves the trouble of manual memory management and use Automatic Reference Counting supported by the upcoming Xcode release.
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I am pretty ignorant of the Dead Sea Scrolls and related documents, but why is the translation not into modern English?
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Regardless of the technical details, I believe the author of the article is making the wrong assumptions.

He is talking about errors depending on the internal state of FPGA, or "the guy operating the device leaving the door open" leading to a change in temperature (very unlikely, but still you have to consider everything).

The problem is that all of these possibilities would lead to different readings on multiple trials, while we are not talking about a "one off" experiment, but one that has been tried several number of times and the result has been consistent.

An error might still be there, but clearly is not based on a random internal state or outside conditions, but must be systematic.
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Yeah but I bet the thread owner wouldn't be the first person the implement a trojan to infect pyc files would he? If someone reeeeally wanted to mess up Pythonista's karma they'd have done some MITM attacks infecting the eggs a long time ago.

Seriously, when is PyPI going to serve behind SSL? Oh wait, that's not secure too. Nevermind.
I used nodejs for a project a few months back. It became fairly obvious very quickly that I shouldn't be serving .png or even .css files with node.js. That just hogs the single node.js process for too long.
Of course if the CERN Opera results pan out we can start using faster-than-light neutrinos to coordinate separate markets.
Let the man care about what he cares about. If he wants more gamers, that's his right. Unless he's actually impacting your life, live and let live.