skysight-inc/HackerNews huggingface dataset:
First mover advantage.

Wikipedia: Joel on Software was "one of the first blogs set up by a business owner"
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raid5 sucks hard when a drive fails, you are right. But, see, for me, what I need is something that can be mounted as a block device by a xen DomU. Something that performs reasonably well.

On top of that, I am kindof dumb compared to the sort of person I'd want writing my block device drivers. I want to take well-tested, open-source software components and plug them together in a clear manner. I don't know of anything off the shelf that will give me a filesystem with reasonable performance on a '3 jbod' system, unless you mean running md in a raid1 with 3 drives. (I'm actually doing that on my more remote servers; the idea is that I can wait longer before replacing a bad disk.)

The system I proposed above is basically that you can export drives that may fail to clients, who can then do their own redundancy. Because the drive is specified as 'may fail' write-back caching may be utilized. (God, ram has become cheap.) The client, in my case, will be the Dom0 of the DomU that wants the space, but if I was selling this space to random people on the internets, it seems that the client could be some box running md that treats it's iscsi devices syncronously, meaning it waits for the write to return from both MD devices before it returns it's write. If the intermediary client device did no caching at all, it seems that I may be able to setup IP failover. (though that part... sounds dangerous. I'd need to be very careful with 'fencing' it or what have you, so that the two nodes were not active at once.)
[Disclaimer: I work for Microsoft]

I'm super impressed that they responded so quickly. When a first notification comes in, it is rarely with a fully fleshed out diagnosis. It is usually some runner/monitoring tool sending you an alert saying something is busted. If you get lucky, you had enough monitoring tools across the system to atleast get close to the source. If not, you have some debugging ahead of you. And then, you need to figure out what a good fix is and given that the entire system is in a wobbly state, a bad fix could make the situation worse. And then, you figure out how to rollout the fix and actually make the change. If you're smart, you'll do it in a staged manner and be able to roll back the moment something goes wrong.

In short, these things take time. Going from notification to working fix in 90 minutes for what sounds like a nasty network hardware issue is very good.
I agree with the sentiment in this article.

I'm a programmer; to me, what designers do, and what they can come up with, is pure magic. I see amazing things all the time that I never could have produced myself. The best I can do is say, "I like this because," or "I don't like this because..."; I certainly haven't the ability to turn out the kind of stuff they do.

As a programmer, I'm not too fond of things like rentacoder, for the same reasons: it tilts the market in a really ugly way. The consumers don't understand the nuances of code, and their primary interest on such sites is price.

So, when I needed a designer, I compromised: I browsed 99designs for a few hours, found a fellow in the UK that had submitted a number of designs that I appreciated, and contacted him privately asking him to name a price for some work.

Hopefully it'll work out. I think using something like 99designs as a portfolio site isn't so bad.
Since it doesn't seem anybody addressed your original suggestion of tinkering with MacRuby, it's worth noting that the MacRuby API for GCD landed on trunk 2 days ago. Happy hacking!
Out of curiosity, how does that differ from any other offering?
London’s Surveillance Fails - Only 1 Crime Solved per 1000 Cameras
Router Ripples Cited in Gmail Outage
Clojure on OLPC
Psychological fact # If you want something, your mind will bend the facts so as to see things the way you want to see and not the way it truly is.
Some of his examples are ridiculous. Why compare Brad Pitt to some unknown instead of Tom Cruise or someone at least in the same calibre (Clooney, Damon, etc.). And Spiderman to Silver Surfer? How about Batman and Superman?

I think his point is to suggest that when things exist at the same moment the one that is considered number one drastically outperforms the number two - but even that assertion is tenuous at best.
My Python Journey
SparkLine Generator in Clojure
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Writing an Oscilloscope in Clojure
Nay.

Women are attracted to power. Famous scientists, authors, and artists wield power.

In addition to this, the attraction to "intelligence" is like gravity...omnipresent, but weak in relation to something like the strong nuclear force (looks).

(as with most statements, append the phrase "within reason" to this).
Simplicity and minimalism are independent concepts. To use the author's example, converting 100 lines of linear code to 12 3-line functions is making things shorter (minimalist), and almost certainly is making it more interesting and fun, but also less simple and therefore more difficult to understand.
I like that idea. I wonder if you even use the inherent springiness of the pressurized cylinders for the first boost. Get the rockets up there then start the tower top bouncing, eventually release the rocket when it can loft high enough that a minor steering adjustment will avoid tower destruction.
Actually I don't know :), I usually avoid reading a lot of books from the same author, but, who knows :)
Hmmm, I guess I should learn how to format text on hn when I want to make a point about readability. ;-)

Even so, with the caveat that you have to learn Common Lisp fist, I think the CL version is infinitely more clear and elegant. All that type information is redundant in the C# version, since in this case all you want to say about the types is that you don't care what they are.

multiple-value-bind is among the longest function name in CL, and doing something that python does much better with syntax alone, perhaps Python is the new Lisp.
Thank you! Through your link, I gathered a few keywords and found this: http://www.bmj.com/cgi/content/full/322/7280/199

Birth weight was also associated with education, with those of higher birth weight more likely to have achieved higher qualifications, and this effect was accounted for partly by cognitive function at age 8.

Small size at birth is associated with a range of adverse health outcomes, including poor cognitive development, an effect that is largely unconfounded by features of the family environment, such as socioeconomic status and birth order.
Please tell me he reads the replies, because otherwise it means that I have been replying for no reason.

Or would it still mean that I am replying for no reason if he WAS reading them, but not responding!?
i think 99.9% average uptime is good enough, no system is perfect
Not everyone has $10K to spend on dinner, but enough do. A restaurant like this will not cater to people who need to borrow to pay for the meal. $10K per person is basically the equivalent of a week at a five-star luxury resort. This is well within reach of anyone making $500K/year and there are enough foodies, adventurers, and people who will use a meal at a place like this as a way of "keeping score" in that group to keep the reservation number for this restaurant perpetually busy.
You can also see him in action: http://www.boondogglefilms.com/aardvarkd.php
I only have one wish: Unfortunately it is that you will be disappointed on this issue.
I'd much rather something be down 100 minutes instead of 1 hour and 40 minutes.
Bruce Schneier also had some commentary on this http://www.schneier.com/blog/archives/2009/08/on_londons_sur...
I don't know if we could do it the same way, but we could possibly learn things from how humans do it now.

E.g. if one metric is "is the person holding a gun?" then machine vision software to identify guns might be useful.
sigh

What's with the attitude? A lot of people use Ubuntu, why not have a scheduler that caters to their needs? Your sneering at 'ubuntards' is just petty.
wow. why do investors put up with this?
> Alternative theories to the mating mind include that our large brain evolved because it was advantageous for hunting or living in social groups, and cultural creativity was simply a fortuitous byproduct of the struggle to survive.

Isn't this part of the same theory? Traits that are good for survival should be more attractive (i.e. being attracted to traits that are good for survival increases your chances of survival which means that such attraction should evolve).
Are there any reasons to believe that we can generalise the behaviour of birds to humans? The article claims that we can, but I don't see why, especially given that "they're not as complex as humans".
Seriously. I've worked at a large bank and a small software company and both of their in-house email systems would go down at least a few times a year for all kinds of weird reasons. There are lots of ways for things to go wrong in general.
How does hosting it yourself protect you from these issues (downtime)? The only thing you gain is control over the situation, which may be a worse prospect if you don't have the same level of resources that Google/whoever has to fix it.
If you're going to use stereotypes as if they're facts, at least throw in a few others for balance: women are attracted to starving-artist types; gregarious, life-of-the-party types; literary types; sensitive brooding mysterious types; bad-boy types, and so on. These are all theories that I've heard from other guys -- it seems like every guy has his own preferred stereotype for what "women" find attractive.

You're only doing yourself a disservice if you believe that women are a monoculture, universally attracted to a single trait. (I think that goes for intelligence, too, but at least the researchers here are just trying to show that intelligence can be an aphrodesiac, not that it's always attractive.)
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I agree 100%.

This would make it a lot easier to edit pages with tricky navigation divs. It would help in many other places too.

I always thought that was (on of) the point of css, with display essentially defining what a tag was.
Agreed. 100 minutes from first detection through diagnosis to solution is an excellent turnaround time, and although others have mocked them for plugging their architecture in the post, it's a credit to their architecture that the simplest solution -- flood the system with additional capacity -- was available and so quick to implement.

[um, I work for Yahoo, but do you really need a disclaimer on a compliment?]
Personal anecdote:

About 6 years ago, I saw him do these and the full timeline drawing of Hamlet at Washington and Lee University. In his very understated way he wowed the audience, but at this point he had the audience in stitches.
It sounds like nothing to do with network hardware, they're using 'router' to describe their software that directs gmail HTTP requests around.
but is there a way to get rid of their pre-set bookmarks?
I'd pay for that...
A) I'm pleased there is a Neural Correlate Society.

B) Here is the current contest ( http://illusioncontest.neuralcorrelate.com/ ) if you were also curious
I seem to be getting buried for a bit of a misunderstanding. If a company is hosting it internally, THEY cannot use that program in the downtime. If the entire cloud is down, NONE of the companies can do any work for a day.
A railroad company could have moved into the trucking or air freight business. But newspapers had no chance to move into the "world wide web" business. There was nothing they could do to match the information distribution capability of social networking, online communities or news aggregators.

Times have changed, and I'm not sure that there was anything that newspapers should have done differently. I don't like the idea of a CEO saying "Well, it looks like our market is shrinking so I'd better start organizing an orderly failure"...but I don't know what I would do in a similar situation. At this point you would have to be truly visionary/insane to move very far away from your core business.
I think we're going to need some partial differential equations to work through this one...
In short, to create great software

1) Make people happy

2) Focus on Aesthetics

3) Observe the culture code (Read the book, but basically, appeal to people's reptilian sensibilities and round your corners)

Joel's a pretty good speaker, but I'm not sure he's saying anything new...
The problem with generalizing is that you're generalizing, but that doesn't mean it's totally useless and everything is relative either.
(as with most statements, append the phrase "within reason" to this).
Hours are longer than minutes. Fifty is larger than Forty, which is why $49.99 seems so much cheaper than $50.

But that's the spin, and I suspect you're querying the preference. And you're right - whether something was down for 100 minutes or 1 Hour and 40 minutes wouldn't make much difference to my life.
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Very briefly -- http://www.xobni.com/about/opensource
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Does anyone else feel like we're just one step away from telling people to go to "AOL keyword: x"? Facebook today (with the exception of a nearly realtime data feed) feels so much like AOL in 1994 in terms of functionality (actually, where are my chat rooms?). Have we really only come this far in 15 years?

I'm really not excited about creating a parallel internet inside facebook where companies have to pay to play. While there are benefits to being wherever your customers are, I can think of any number of reasons why this is just a big bad step backwards.
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others have made good points (too much text/text too small, also, you need a funny punchline.)

I have something to add, though; how does this fit into the rest of your branding? I mean, lately I've been getting a whole lot of customers. The other day, some guy on twitter pointed me out as 'an excellent example of niche branding.'

Now, Personally, I chose my style (that is, the minimal theme, figlet instead of graphics) because I have no taste, but it is a consistent style that I maintain across my website, advertisements, business cards, and even T shirts.
I was impressed how closely it resembled the huge eastern US power cut of 1965 - compare the cause described here:

http://en.wikipedia.org/wiki/Northeast_Blackout_of_1965

"it's all just a little bit of history repeating"
One problem with allowing arbitrary elements is that the browser won't know whether element <foobar> should display as block, inline, etc. CSS styles would need to be specified accordingly whenever custom elements would be used.
I'm probably wrong, but isn't this exactly what XSLT does? You define your custom tags and document structure in xml and then apply the visual styles with xsl?
Like never being able to define another HTML keyword again without hosing random sites that used it first?
This is hip-hop. Not that crap you hear on the radio.
You can also achieve the same effect using XML and XSLT.

[edit]^ beaten by the few minutes it took me to log in! Great minds et al.
If you click the green zoom button, the Leopard keyboard viewer looks (apparently) pixel for pixel identical.
What about the drop in crime rate?
Awesome. Brings up a few questions for me (sure there are answers, just curious really).

Why a Core 2? An Atom mobo would be lower power and cheaper.
Why 4Gb? Seems like an overkill.
They are using a HD to boot. Couldn't they boot of a USB key?
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Some people like having a walled garden on the Internet. Companies are the ones that are going to have to fund it, though advertising.

Facebook simply has a good implementation, that's all.
Maybe it's because:

1) His blog posts and presentations make people happy
2) His blog posts and presentations focus on aesthetics
3) His blog posts and presentations observe the culture code

Wait? Where have I heard this before?
But how many additional crimes were reduced?

Maybe the people who are committing these crimes know that they are under surveillance and do it intelligently.

A lot of other criminals may be aware of the surveillance cameras and not even bother to commit a crime.
Ask HN: Is "Transcendent Man" worth watching ?
Has anyone watched the "Transcendent Man" movie ? Would you recommend it or is it nothing special (as in "the trailer was more interesting") ?

Thanks
I can't take it seriously because it misses out Deep Space Nine.
I just re-read the article and I was mistaken. I thought they determined it was a capacity problem immediately, but it sounds like that's actually what took so long to figure out.

I work for a web company, and a 100 minute outage is considered absolutely outrageous, but of course it happens.
His blog, Joel on Software, is popular for a reason. Many of his posts are excellent. Most of them are quite a bit better than this talk, actually. Give it a read; I think you'll agree that the respect he garners is deserved.
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By flagging it?
"The fact that your missing is that the once-successful project was already dead because the primary authors no longer required it and the technology landscape had changed, not because the BSD licensed was used." "The project reached full maturity with years of development under the BSD license!"

Wrong, wrong, wrong. Absolutely wrong. You said that Netatalk in its UMich days was "once successful" and "fully mature," and that its previous users didn't need to maintain it anymore. Neither of those assertions are true.

Fully mature? Reference my earlier post on CNIDs (http://news.ycombinator.com/item?id=799429), but there were grave data-loss and severe locking bugs in Netatalk which persisted from as far back in its BSD heyday as I can recall. In addition, the build scripts were all kinds of broken, and enabling a basic security feature like DHX was sometimes the subject of long web HOWTOs, due to how fraught the software was. Before the project came back to life, I recommended other options to my clients not because Netatalk's function wasn't necessary, but because Netatalk wasn't trustworthy. (Fortunately a few motivated developers wrote the CDB and DBD backends, and the problem disappeared.)

And the idea that its primary users didn't need to maintain it? Hogwash! Not only were many of the major storage vendors continually shipping it in their devices, but they were shipping privately maintained forks of it with fixes for the issues I mentioned. So it _was_ being maintained, but UMich's source tree was out of luck. The BSD license is why they didn't contribute the fixes back, because they didn't have to. And so Netatalk, always kinda broken, stayed kinda broken.

(Yes, Netatalk is pretty much the poster child for BSD projects which have been sorely neglected by their Fortune 500 users. IIRC, Quantum was the sole exception, but don't quote me on that.)

Now, it's reasonable to propose that if Netatalk had had a GPL license from the beginning, storage vendors might not have adopted it. But vendors ship tens of thousands of units every month running the GPL'd version, so it wouldn't hold water. In addition, there's no need to link to Netatalk in order to build an administration interface around it, something their developers and lawyers have surely always known.
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That's a good point. CCTV may act as a deterrent.

It make me wonder if crime moves somewhere without CCTV (in which case we'd need a 100% coverage to win, not a good proposition).

Or, perhaps, it's not a zero-sum game. If many criminals are not "professionals", then CCTV could dramatically reduce crimes of opportunity if it does act as deterrent.

To analyze it right, I'd want to see if petty theft and other crimes of opportunity were reduced, rather than crimes like street brawling. Lumping all crime together when some are unlikely to be influenced by the cameras (because they are motivated by emotion rather than profit, for example).
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I'm not saying that this research is rendered obvious by Piaget's work. Nor did I say that the age at which children make certain transitions is fixed in stone. Nor would I try to imply that Piaget discovered everything about the subject. Nor did I try to indicate that there are not gifted children.

However I stand by my claim that Piaget's work provides a framework to understand why a young child's ability at one task (sorting lines by length and objects by weight) is indicative of a much broader range of cognitive skills. Furthermore the fact that cognitive abilities go through periods of rapid advance over a broad range of areas makes it less surprising to me that you see fairly large shifts in where children stand relative to each other in ability.
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You can trump this up however you want to, but how do you weigh your anecdote of a small, abandoned project that now has three active contributors, compared with another University Michigan open source project that underwent a similar transformation -- UMich-LDAP.

UMich LDAP was developed under a BSD-like license. The project stagnated with serious issues that were not fixed. Maintainership was then acquired, the project became OpenLDAP, and it remains highly successful to this day under a liberal BSD-like license, and is even incorporated into commercial products like Apple's Open Directory?

Same original maintainer (umich), same open source maintenance abandonment, better outcome (incredibly widespread use and active development), different license (liberal).
The only reference to any change in crime rate is "In fact, besides parking lots, few locations seem to have lower crime rates thanks to the cameras dotted around the city." There's no other mention of parking lots in the article.

Is there a significant drop in London's crime rate that isn't seen in comparable areas that are known to not have cameras?
Not sure about that metaphor. I don't know much about the railroad's pricing but it seems to me what did them in was that the government decided to subsidize their competitor. The government poured trillions of dollars into highways and there just wasn't much the railroads could do. The railroad is actually more efficient than the road so it is a very bad metaphor for a paper newspaper. Of course that did not matter once the government started making roads and offering them for free to all car owners.