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This topic is 1 rhetorical hop away from identity politics.

In the best case, you end up with hackers arguing with each other about how they should be taxed.

In the worst case, you end up with hackers arguing with each other about who is most genuinely outraged.

To quote 'pg, explaining why TSA stories were so dangerous to HN that he was explicitly penalizing them: "If there's a road from hacking to politics, it's probably civil liberties."
Someone has said that about almost every political story that ever got flagged off this site.
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I am confused as to how the source IP can be the same for every connection, as even the naivest socket server will be accepting connections from many different users, each with their own source IP, which makes this 60kconns/port/user.
It's no mystery. People react like this to the kind of marketing Apple uses and the culture it encourages.
That seems cool but it took me a few seconds to realize that their 4th and 5th line of code in the clustering example in the post are identical. I doubt that should be the case. Pretty early it seems.
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Let's run through a thought experiment. How easy would it be for you to replicate the ensuing political discussion in another forum or in real life with coworkers/friends? For most people, fairly easy. I had several such discussions today alone. In contrast, the occasional valuable discussion that still takes place on HN is reasonably difficult to replicate in other online forums and has a high cost for replication in real life (time of smart people is valuable and much cheaper when done async online). Not to mention that PG essentially banned run-of-the-mill politics on HN from the start, but the guidelines are unfortunately vague and haven't withstood the test of time.

Therein lies my reasoning for my dislike of politics on HN. Thomas may have different reasoning.
That's a great guideline (hence why it's listed as such), but it's far from a hard and fast rule. This is a case that directly affects technology-related constitutional rights and is of high interest to hackers. I fail to see what about that doesn't belong here.
What you're describing is an accidental feature; so far as I know it only exists in Objective-C, and it exists because of a historical accident. Obj-C inherits the use of header files from C, but its Smalltalk-derived use of dynamic dispatch means that you can call methods whether or not you have seen a declaration.

Header files don't exist because someone once decided they were a great linguistic idea; they exist because they were a clever hack for making compile-time type checking work across source files on a machine with less than a megabyte of RAM.

Objective-C has had little or no impact on language design. It has been around for over twenty years, but until recently it was just an obscure little branch of the C family tree that never went anywhere. Only after the iPhone took over the world did anyone start to pay attention - but that's because Objective-C is the only way to write iPhone apps, not because everyone suddenly decided the language itself was great.

From a language design point of view, there's not much going on to inspire interest. It's an old familiar way of thinking about objects bolted onto an old familiar way of thinking about systems programming, and what's surprising is simply that it works smoothly despite the awkwardness of the marriage. The language design community isn't really interested in that stuff any more; they've moved on and are all about functional programming and algebraic data type theory now.
> If Tim Cook manages to double the stock price, he'll have $700m. If it drops to $100, he'll have $100m. It's a big difference

Is it? I would imagine the lifestyle one could afford with $100M is identical to that with $700M.
Actually, I think you've stumbled onto a more important point here.

Digg was primarily oriented around Kevin Rose and his 'posse'. Digg started bombing when Kevin bailed.

Reddit was never about Steve or Alexis, it always seemed to be about the community itself. So, when Steve, Alexis, Jeremy, Mike, and everybody else who'd been there forever 'left', there was nothing to implode - the community was still there and still thriving.

Does Kevin Rose even USE digg anymore? I know most of the original crew still uses Reddit, but just as users, like the rest of us poor slobs.
Ask HN: Remote Recruiters?
I'm currently looking for work and I've never tried using a recruiter before. I thought I might try this time. However, I'm only seeking remote/telecommute work. Is anyone aware of a good recruiter that specializes in remote work? It seems many recruiters focus on a geographical area.
"If you cut down Cook's compensation a little bit, everyone else at Apple could get a couple percent raise."

Or they could use the money they have and give everyone including Cook huge raises. Or cut everyone's pay and make their stuff cheaper. Or pay their suppliers 20% more. Or put a huge check in some charity basket. Statements like these are pointless.

I'll suggest that it's very likely that Tim Cook would have never come to work at Apple if they paid executives 40-60% less then they do as you suggest. And that would have been a net loss for Apple.
I wasn't able to understand what the author was trying to say under "Connection Pools"--is he suggesting that the database should be written using node.js so that, presumably, it can "scale out" and not require a connection pool?
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Ask HN: Is there a comprehensive calendar of programming/startup events?
Just saw that NodeKnockout is has started, and registration closed a week ago. Didn't know about it before stumbling across it by accident.

Is anyone maintaining a comprehensive calendar of startup events (startup weekend, etc) + programming events (nodeknockout-esque stuff)?
The question then becomes: Is there any political story (not explicitly startup related) that should not be flagged off of HN?

I'm not sure - but if that's the policy I think it should be clearer.
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> And before anybody brings up the usual objection that your customizations travel to other people's machines poorly...

I'd say that's unimportant compared to other people traveling to your machine's configuration poorly, when the displayed UI does not reflect the actual result. Imagine, if you will, someone sitting down at a keyboard configured as anything not QWERTY, but still labeled in QWERTY. They're going to ask how to fix it. In contrast, an accurately labeled keyboard will at least allow them to hunt-n-peck.

Even Apple's customizations of the trackpad travel poorly to other users. A familiar scene: a user taps it several times, then has to ask the owner how to click.

Even accurate UI needs careful design. The standard bad example is Microsoft's menus that automatically "simplified" themselves by hiding infrequently used items, making life more complex for everyone.
Either that, or allow for >64k simultaneous connections from node so that each of his requests has its own connection.

The author doesn't seem to understand that more connections to a database does not equal higher throughput.
So, I'm about to take the plunge into the market, and have been wondering about this exact issue. How do you deal with it when you get failed to deliver problems? I mean, you probably can't just give them the apk, that's its own can of worms... any tips?
Are they still storing 'backup' seeds? Because to me, that sounds like a pretty huge target at this point.
Apple is the most valuable company in the world. Why do you find it surprising that it takes hundreds of millions of dollars to retain someone qualified to run such a company? Plus, the position of CEO is arguable the place where Apple is the weakest and companies spend to shore up their weaknesses. In contrast, they don't need to bump pay by 5% to get the best engineers and designers. It's a good use of the money that Apple has and it is amortized over a a decade.
I agree. I think pg's equity equation[1] is applicable here. If Tim Cook keeps Apple on the trajectory it's on now, Apple's shareholders will get a great return on this investment.

[1] http://www.paulgraham.com/equity.html
As soon as notice that they had been breached was leaked, all the admins I knew assumed their keyfobs were compromised.

Can you order RSA tokens WITHOUT them storing the seed for 'backup'?
Strange to warn of a problem having already dismissed the solution (pooling). Unless your backend actually has fifty thousand cores, making fifty thousand concurrent connections to it accomplishes nothing more than moving the bottleneck around while defeating TCP flow control. Capacity is always finite, some part of the system is inevitably going to play the role of a bounded queue, and you want that visible and close to (preferably in) the frontend so you can shed load through degraded service.
Ask HN: Please provide some honest feedback about my project
Hello everyone. I've been working on a project that I am pretty excited about. It is a social job search tool. Basically it searches your social networks to provide a list of job opportunities from the companies that your friends and followers already work for. (Yes, I am aware of the competitors out there). I would love some feedback from the HN community, positive and negative comments are welcome. While I am going through the customer development process, I'm excited to hear from my own community.

My website is www.jobzey.com

Thanks in advance.
Remember, that's a publicly released exploit that's not even very new.

Assume that if that's been publicly released, more advanced stuff has already been seen in the wild.
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Is Tim Cook really worth as much as 580 regular Apple employees? Really?

Steve Jobs sure as hell was. And Tim's job has been to execute Jobs' vision.

People need to recognize how grotesque it is that you have a CEO making $160,000 per day, every day.

Take it to Reddit.
Before you even come close to that limit any decent PaaS solution should move your application to a less-used server or spawn your application on several servers by load alone.

(Assuming you invested enough money.)
You can't afford a decent jet, a yacht and houses on $100M.
On $700M you can.

small jets start in the single digit millions. Decent jets (10+ people) are $50M easily, costing $1M+ a year. yachts can get extreme. Add in a few homes throughout the world and you've burnt through that $100M easily.
Think of it as comparing a toyota to a bentley.
If you think you're worth that extra money, why don't you try asking for it?
You're dead on -- Reddit was always about the users, never the founders. Not only did Rose stop using the site when he went away, but he seemed pleased to distance himself when he left. Sadly the new CEO seems to care, but many does he have his work cut out for him.
We had a node.js app where each inbound request would go through a set of HTTP connections to the back-end couchDB. When the concurrency reached around 1,000 then there were 1,000 requests made through 10 couchDB pipelined connections. The result was the web requests were starting to get slower and slower. Think of a 6-lane road merging into a 1-lane road. Congestion.
The more interesting technology is contact lenses augmented with "mini LED screen" like in this article:
http://spectrum.ieee.org/biomedical/bionics/augmented-realit...

This could actually be used to create a "bionic UI." Image Google Maps projected into your eye, as you walk around unfamiliar neighborhood. Hungry? With a blink of an eye you pull up Yelp reviews for nearby restaurants. Want your friends to see that tasty-looking dish? Double-blink and the picture is on facebook.
You'll be remembered far longer. That is an incentive.

An incentive to the egocentric. I don't think that is ever the primary motivator though. I'd like to believe most people just like helping others.
The Air is actually really well done. It's a Core i5/i7 (current top of the line), 4GB of RAM, and with a new Intel HD3000 graphics chip, which is able to play TF2 full screen at a usable framerate.
I've never used another laptop with embedded graphics that could do that.
It's not 'Crysis' good, but it's damn good for a cheap little laptop (especially compared to this Razer monster).
Convince the reporter you are speaking to that you are about to get covered in another major tech blog.

This works with dead tree media, too. Also works after you've been covered, since then you are an Officially Credible Source. There's a reporter who calls me every time she needs a Japan quote. I know why, theoretically, but "Say, did you see the soccer game? Can you sum up how Japan feels about winning? Is it a sign that the country is turning the corner and finding something to be proud in again?" at 4 AM always strikes me as funny.

I suppose if I cared to keep getting called at 4 AM I should give her the story she so transparently wants to write...
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I don't see how you can hang payment declines on Google. Customers failing to enter valid credit card information is just an ecommerce fact of life.
If you can get 5 billion page views a day on a single interface, I'd like to shake your hand.
You're missing his point. The difference in 100M and 200M dollars is the potential good you can do with it.
I read the paper, but an explanation of why the 3n+1 conjecture forms a sound basis for benchmarking NoSQL databases would be helpful.
I agree. My all time rates are 18.2% returns, 2.5% payment declines. But that 18.2% as I understand it are customer initiated order cancellations.
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You can buy better toys but I very much doubt that the quality of life improves much. The difference between $100m and $700m is at any rate much, much smaller than the difference between $15m and $100m.

Maybe that’s why so much has to be payed. A million or so more doesn’t cut it.
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More projects should have pages like this one.
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The only way to win the "Apple is hipster/overpriced" game is to not play it.

Just ignore it and carry on.
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So your assertion is that if you bumped up the CouchDB connection limit to 1,000 (believe it or not, Erlang--in addition to Node--is capable of this), then this slowdown would not have occurred?
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What is the exact difference between a terminal, a shell, a tty and a console?
I played it, but my laptop does not have flash installed, so nyah.
I've been playing with SVG in Google Chrome and found some very ugly bugs. So, I realize that the HTML5 is not there despite the hype.

For example I draw an object SVG and when I move it I have trailing bitmaps and flickering.
I have actually found my Phone 7 has 4x my android, blackberry, WebOS, and iOS app sales combined.... Probably because the market isn't flooded yet. Android was my lowest, iOS next, then Blackberry, followed by webOS. If you can hit markets people do not yet find viable, that may very well be your key to success.
You and several other people are completely failing to read and comprehend the blog post in its entirety. This has nothing whatsoever to do with where USERS are connecting from.

If you have X sessions on a single front-end server opening one or more individual connections to a single back-end server (e.g. CouchDB), at least X ephemeral ports are used on the front-end server to connect to the back-end server. As X increases, you can reach a point where you have a serious problem. If X gets anywhere near ~60k, it's game over.
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This is not 1965, and we are not dropping punch cards with an operator and coming back hours or days later when our program has worked its way to the front of the queue. Five billion page views per day is irrelevant. Your peak traffic is what matters. Hitting 60,000 views in any given second is a lot easier than hitting 5 billion in a day.
Sure, if you're trying to shove 1,000 things through 10 connections you're going to get contention. But you could open 10K pooled connections to several different backends and still stay under the 64K limit; this should be OK up to concurrency of ~100K. Beyond that, there's always SCTP or SPDY...
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.. and will probably fail just as google failed/ing? with social networks.

If you want to dominate an existing market, you have to put everything you have into into it (+ new idea), and that might not be enough.
My point is the thing you are connecting in the back-end has to scale at the same level as node - if not better. I'm sure making independent non-pipelined requests to CouchDB will help, but if CouchDB views are slow or it can't handle the concurrency, then the web requests to node.js will start slowing down resulting in a pipeline stall.
I suggested it to Gabriel, so we'll see.
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Has anyone worked with Aruba's products? I'm not really familiar with their stuff, but if it's better than Cisco...
Cool, thanks John! You're right, I definitely need to get a better microphone, been looking at the Rode Podcaster a bit, which I've heard is really good.

Yeah, I had a basic outline, but my style of screencasting/live coding is usually just to let it flow. I definitely understand that some folks don't like that, but that's just what I'm most comfortable with and enjoy doing the most. Some folks like it, some don't. And I'm fine with that. :)

Thanks a ton for the feedback. It's so useful for me to hear stuff like this!
The "speed limit" is on the outbound connections from Node to the service. Node calls connect(), and receives a new port exclusively for that one connection.

A server facing the Internet can serve lots of clients because those clients have plenty of IP+port combinations to go around on their end, to allow the server to tell the difference among them even though it only has the one IP+port on its end. But 60K node.js connections from one machine, the frontend server with a single IP address, to a single IP+port on the backend server, do not have that luxury. All that identifies the connection now is the port number on the Node server, so it must be unique per connection.

Connection pools attempt to mitigate the problem by inserting a manager (the pool) in the middle, to accept larger numbers of requests from Node and try to schedule them on a lower, sustainable number of connections to the backend. At least on an RDBMS, transactions require the app to have exclusive use of the connection for its request, so when all the real connections are scheduled out, new requests have to wait for an old connection to be relinquished.

EDIT: Going back to the blog post, it said, "You really need your back-end services to scale out with node.js." Which I think means, your back end service should have multiple IP addresses, to alleviate the bottleneck described above.
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This encourages me to use Ruby.

I keep waiting in vain for a real Python option on Android, but Jython-on-Android was abandoned in favor of that lobotomized "android scripting environment" mess.

I'm not Ruby's biggest fan, but I'll take it over Java any day.
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There are companies in this world that are just as big yet make better products

I would tend to agree. At 70,000 employees, Cisco is big, but there are plenty out there that are bigger, and plenty with good offerings.
The company make WiFi routers targeting large companies and software to manage wireless networks with tens of hundreds of users

I found this wording a bit odd. Why say "tens of hundreds of users" and not just "thousands of users"? Or is that "of" supposed to be an "or"?
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See below - the problem is not so much the quantity of marketing as the conflict of interest.
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Agreed. Something I've found interesting is that such pages are a tangential benefit for any project that has participated in Google Summer of Code, as compiling project ideas is one of the first steps in participating. Although sometimes projects to err and fail to include "entry level" ideas. For reference:

FreeBSD: http://wiki.freebsd.org/IdeasPage

gcc: http://gcc.gnu.org/wiki/SummerOfCode

git: https://git.wiki.kernel.org/index.php/SoC2011Ideas
I think it's the subreddits with the most members, except that mods can set their subreddits to not be on the default front page.
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I put 'middle class' in quotes for a reason. I thought it was obvious it meant the lifestyle of buying your home and making sure your needs are met, but not doing anything particularly unusual or entrepreneurial.

Honestly, given the context of the comment, what did you think I meant?
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