skysight-inc/HackerNews huggingface dataset:
Besides sitting vs Squatting, the other (and more important) issue with the western style toilet is the use of "papers" instead of bidet (water hose) for cleaning after oneself.

At home we always install a home-made bidet: usually a water hose connected to the shower somehow with a mechanism to turn it on/off.

When I'm in a public place, I try to avoid using public bathrooms. Sometimes I can't avoid it, like when I'm at work.
The batteries are charged from the main Diesel engine, but it's still more efficient, even with the conversion losses, due to load variation through time.

The issue is that the energy needed for the "hotel load" for the truck to run air conditioning, TV, etc. is very small compared to the size of the Diesel main engine (which is sized for propulsion, especially acceleration and going up a grade). Diesel engines use a roughly constant amount of fuel up to maybe 25-50% load, and then increase specific fuel use fairly slowly up to the efficient design level (which is probably highway cruise for most truck engines), and then increase specific fuel use much more quickly to peak power. (this depends a lot on the engine, and turbo/supercharged engines can have a wider band of efficiency)

By using an electric battery, and then charging it during normal use of the truck on-road, you change from a long duration inefficient use of the main engine, to a slight increase in power used during cruise (and it's a load which can be shut off instantly -- so you could run the charger during low-stress cruise, keeping the truck at maximum efficiency, or even run it entirely on regenerative braking in a future generation of the product).

Another option would be keeping a small Diesel APU on the truck to run rather than idling the main engine, but there are other benefits (noise, environmental) to the electric system. Given the right charging

The main penalty here is cost/complexity/weight of the system (which adds to fuel costs), but long-haul truckers pretty much sleep in their trucks every day, so it looks like it pays for itself quickly.

The other main system I've seen is "IdleAir" -- it's electricity, internet, and HVAC delivered by a flexible conduit into the truck. A central system at a truck stop provides it to all the trucks.

When I go on road trips (in a car), I've often wished for something similar -- I take breaks from driving every 2-4h, and sometimes to sleep overnight in rest stops, and being able to plug in and get power/internet/hvac without idling my car would be great. In some climates it's ok to sleep in a car without running HVAC, but in 130F sunlight, or -40F cold, that's not really an option.
You want to look up "knot theory." This should get you started, at least:

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

http://www.math.unl.edu/~mbrittenham2/ldt/knots.html
I had exactly the opposite reaction. It's just adios with an "o." I think it reads and spells fine and (IMHO) it's consistent with the language of the people most likely to use the service. "Alright dudes I'm adioso."

Again it's just my opinion but I rather like the name.
Long-haul truckers (and fleets) are probably the most fuel-use conscious drivers out there, so this kind of technology should be rapidly adopted. There are radio call in-shows catering to truckers where they discuss slight improvements in fuel economy due to tire tread pattern and wear, paints, fuel additives, aerodynamic optimizations, etc.
How to Track Six Key Metrics for Your Web App
Identified and defined the six key metrics you need to measure for your recurring revenue web app. Also shared an example Google Spreadsheet which can be downloaded and modified for your app.
It's much worse:
the user:

1. is an "entrepreneur"

2. uses gmail as his only mail service

3. receives "up to 600 emails a day"

4. has paid 5 USD for subscription, once

5. doesn't want to automatically renew

6. ignores the expiration notification

7. observes expiration occurs

8. bitches
There is a note on the site (at some point) that says they're in beta. Hopefully the results will improve.
I'm a little embarrassed to see so many guys telling brandnewlow to change his configuration in such a situation. If my understanding is well, then he is on an urgent situation and you are basically telling him to take risks in having a completely new setup ? (removing apache/mod_php and puttin nginx and stuff).

Seriously guys... brandnewlow, please don't read these advices. Maybe on the short term you can think about changing your setup. But right now, listen to those who try to fix your _current_ setup !
That's the last resort: almost never you need to get that far(stracing/trussing usually do the trick), and it doesn't have to take "hours and hours" if you have done it before, specially if it's a locking issue. I don't remember if I have had to gdb apache(I think I have), but sendmail + milters for sure.

I don't doubt that your solution has been "battle-tested", but I assure you that apache + mod_php also has. Now if he has a different problem with that new setup what you will recommend then? Change again to cherokee or lighttpd? Or do you really think that nginx + fpm is a silver bullet?

I accept that spending some time cheap shooting randomly(raising os limits, changing threading model, upgrading to new version...) may be worth the time, though. But changing completely your middleware isn't a cheap shot in my book.
Announcing the inaugural Code Quarterly Code Challenge
Maybe it's fair, but I feel they shouldn't have distributed it freely to begin with without making clear that it was becoming a paid product at some point. Now I feel pissed, irrationally perhaps, but pissed nonetheless.
We used to run a site with an order of magnitude more visitors on a couple of Pentium III's, over 10 years ago, on Apache and 2.0 something Linux kernels. PHP 3, too. Now I guess that the memory requirements have gone up in those years, but still I find it hard to believe that the current setup can't be made to work. Switching to prefork seems the first obvious step. I haven't done real sysadmin work since then though so what do I know ;)
Vernor Vinge's "True Names" came out even before Neuromancer: http://en.wikipedia.org/wiki/True_Names
I'm not sure, I've never had a kindle (and don't do Apple products). I'm pretty sure I'd enjoy a real book more though. I'm getting the kindle because it would make importing English language books here in Italy a lot faster and cheaper.
What's the use? Seriously.

Hero worship aside Mr. Graham is good at what he does; distilling an idea until that potent cocktail is finally derived. This process in itself is something far more important than having an idea in the first place, and in order to truly work with someone like Mr. Graham you need to teach yourself to be ego-less.

It is my ego that says to me; 'no that can't be true at all. He's wrong!' without considering the facts. It's my ego that causes teenage defiance for the sake of defiance. It's quite true that he will be wrong some times, but what is undeniable is the fact that you gain more out of it by simply listening to him.

So, what if he is wrong and you know that you're right? Listen to what he has to say and try to understand why he raised that objection. Perhaps, there's a gem hidden beyond the surface. If something comes up then you've gained something out of it. Otherwise, you can always wait for your turn, reflect, and then grill him on things and try to make him understand your point of view.

This is something really hard to do, but if I was lucky enough to have pg as a mentor, then I think that it would be wiser to work with him. Rather than against him.

Note: I've noticed that this holds true for everybody in virtually any situation, be it Mr. Graham distilling your startup. Or a disagreement with your neighbor next door.
I had the same feeling as these guys and the difference for me was that the beta notification came after you started loading some of my data. If I don't have an account, why are you getting the data from the services? I think it's really important that you modify that process. I don't feel entitled to an account in any way but if I'm going to try and sign up and trust the service, it needs to logically make sense. No account = no need for my data yet esp. when you prove right in front of my eyes it's a 30 second task...
Thanks!

We do our best to balance features, stability and ubiquity. We consider your data your data, not ours. We've been working on increasing ways to export your data out of GitHub — the new wikis being the latest example — and have a lot of plans on continuing that trend into the future, both through our API and through other efforts.
Ugh, I shouldn't try and post at stupidly late hours. In case you're still reading, in the first paragraph x is NOT also a function of y, as x = +- sqrt(5/y), and we have the choice of signs to deal with. The rest is ok.
Please make a book of all 2010 issues, I'd be all over that!
We've built a shortest-path routing engine. Do a few searches from US cities to Europe or Australia/NZ. In many cases the prices won't be that great due to the limited inventory we currently have, but you'll be able to see the routing functionality in action.

It's explained with examples about half way into this post:
http://blog.adioso.com/adioso-a-new-beginning
That inbox-esque aspect is one reason I just stopped using RSS entirely. There are some nice aspects to it, but on the whole, I feel that the read/unread business bugs me more than it helps me. I'm not sure where I saw this analogy, but it really does feel as if a magazine had this "53 STORIES YOU STILL HAVEN'T READ" counter flashing at me. I'd rather just read the magazine as I want to, and throw it out when I'm done. Same with websites--- I'll visit and read them if I want to read their content. No reason I need it pushed to me with some software keeping track of reading it as if it were a TODO list. Sometimes I forget about particular sites or blogs for months, and then remember and read them, and somehow that's fine with me too, since much of the best content isn't so time-sensitive that I need to know about new articles within a day of them coming out.
While I'm happy to run a startup as a single founder myself - I think I'd prefer to invest in teams too. A team already has something to match your investment (the team itself).

Also, I wonder if its not more difficult to judge which single founders will be successful, and easier to judge when it is a small team.

So I think treat this rule as investment advice, but if you're confident of running your own startup, trust yourself rather than PG's advice.
PG advices people to get funds from VCs and whatnot. Actually he doesn't do it explicitly, he just sort of assumes it's the only thing to do; it's the default thing to do! In pretty much the same way that the rest of the world (and many of our parents/family/friends) assume that getting a job is the only option we have after finishing college.

By not applying to YC, you're saying that you can bootstrap yourself.

http://gettingreal.37signals.com/ch02_Fund_Yourself.php
They even used the same stock photos.
Just wondering: does anyone know of a mere log analysis tool, that would just look at Apache's logs? What data would I miss, compared to Javascript or PHP based tracking?

I'm asking because I'm looking for a non-invasive method, which I could use on old logs if possible.
Paul Graham is not some magic oracle. He's a statistician who has seen, experienced and analyzed (formally and informally) a lot of very rich data. To ignore him and get away with it you either have to be an outlier in his model or the kind of person who would never appear in his model to begin with.

He mainly sees YC applicants and there may be a selection bias among them. Entirely possible that there is a really great trait among founders that makes them unlikely to apply to YC and likely to succeed without his advice.

That said, dude has been around.
The book will look like an encyclopedia (500-600 pages with the size of a magazine). You sure?
Were the first two words in the title not "Hire HN" when you posted this comment?
> I can't imagine squating in a normal sit toilet, that's just dangerous.

Only if you have trouble supporting your bulk, be it due to obesity or lack of muscle conditioning. Or balance issues, obviously.
The irony is this author never once questions why American degrees aren’t paying off. If I was a professor at a University and I acknowledged the fact that degrees aren’t paying off I’d be looking for a solution. Not shrugging my shoulders and telling future students to accept the inevitability of their useless education.

It amazes me that he can make a point of mentioning the tough competition from China and India (where degrees are more “skill oriented”) and then go on to suggest students spend their college years pursuing a “liberal education” as he calls it.

Don’t get me wrong. I’m all for General Education classes that introduce students to basic ideas of philosophy, other cultures and so on. But the University system needs to realize that those classes are the gravy and not the main course. The focus of college is to get a usable skill that will make you a productive member of society. I’m continually amazed by people in my professional life who have gone through 6 years of college (MBAs) and seemingly have no useful skills to show for it.

I think it’s time for University teachers to take ownership of the problem and start creating curriculums that are designed to fix it.
I think people who use git don't like wasting time and typing a lot. I hardly imagine a lot of them filling out such a long questionnaire.
To quote a smart guy I know:

"ignoring the advice of clever, successful people is either plain wrong... or the smartest thing you ever did"
Nothing wrong with the price but I'm really curious how it turns out and if the extra revenue makes up for less interested advertisers if the number of downloads goes down significantly).
Raven, the guy who is his own personal sovereign might also be considered a startup of sorts. At least, he created a rather unique business model single handed. :-)
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So Microsoft invented and implemented this, and rolled it out to their own employees, without ever putting it into a product? Seems crazy, but maybe they found it just wasn't a feature people wanted/needed/could understand? I hope they don't make trouble with the patents though -- I wonder if patents could be invalidated if someone makes no effort to commercialise the invention or get someone else to. It'd be very hard to measure, but it would discourage trolling and patenting too soon, and encourage innovation to actually make it to customers instead of Microsoft potentially inventing things, patenting them, not releasing them and stopping their competitors making better products.
Every generation seems to rehash this topic in some form or another. Every young generation thinks they're different from the previous one, and every older generation shakes their heads and says "kids these days...". My generation was labeled Gen X and described in ways that didn't fit anyone I knew. So when I see these stories my only reaction is, "huh, a writer needed to meet a deadline."
Yeah it's sweet. The only problem is keeping up with the current definition of "work".
I have a pretty good feeling this is about being able to directly communicate with consumers.

If the rumors about the iTV are true, I can imagine that there are pretty good odds that it's either going to turn the TV content community very much pro Apple or very much against Apple.

Apple is all about controlling its brand at whatever the cost. This is another move to secure its position should proponents not look fondly upon Apple as it moves into all channels of media and communication.
I'm not seeing any obvious trick here. Trying it with just two prisoners, two boxes and one look, I can't see a way to do better than chance. I'm just wondering if it's something like the two envelopes problem, where you can on average do better by switching based on a monotonic function of the amount in the first envelope. Perhaps there is a way of picking the boxes based on your number that does better than average, even if its just a little bit. Any hints?
Rape probe against WikiLeaks founder reopened
Emacs über alles:

StumpWM managing Emacs & Conkeror.

On opensolaris, RIP.
20 Uber Geeky Painted Nail Designs
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Think about these features from a Tablet POV.
Why not? I think the world needs more experiments with forms of book and interactivity. It's a pity that the golden age of interactive fiction (http://en.wikipedia.org/wiki/Interactive_fiction) was also its stone age. Maybe it'll become a step in developing the interactive fiction further? As a fan of both books and computers I welcome any development of the medium.
Same story here. For those who have required skills staring is easy. But then we either lose motivation or start to think about another cool idea. So, for us the opposite (well not really opposite) should be stated - finish what you have already started.
5 New Features In the Cards for Palm WebOS 2.0
Google buys another social media company,  SocialDeck
When you say that name out loud to somebody who doesn't speak Spanish, it sounds like it should be spelled "audioso". Try Googling that (noticing that you don't show up at all) and then estimate how many potential users you're losing each day.

The standard way around this issue is to register every possible misspelling of your name and repoint it to the site. As an example, try typing tiddla.com or twidla.com into a browser and see where you end up. When I do that for your most obvious misspelling, I see a godaddy parking page. The clear course of action from here is to simply buy the domain and turn all those lost users into customers.
HP & Hynix join forces for memristor fab
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I understand the immersion you are talking about. I think Kindle and the e-readers basically is the extension of the book form; a book delivered on another substrate.

On the other hand, interactivity makes possible the kind of immersion unachievable by non-interactive book. When you pick the knife - it is not the same as when you read that the character picks the knife.
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Vinyl sales are on the increase, admittedly from a very low base. They are all the rage in the heavy metal community.

It's also pretty easy to make your own lo-fi record player... much easier then your own MP3 player or CD player.
Thank you very much for this.

This is exactly what I was looking for.

Really appreciate it.
You would only need to use a few buckets on an American toilet. European ones use a lot less water.
I hate to say this, but you're never going to be very good (unless you change this). Someone good will have so many projects that they could never remember every detail of each of them, so every second you've spent burning this into your brain will be wasted.

It's much better to use the tools as far as you can [1], use nice big descriptive names (since you never have to actually type them out this is win-win) and try to be as consistent as possible [2]. For projects I've been the driver on I never have to look at anything. I know how the project is going to be laid out, what the naming scheme will be like, etc. I can e.g. open up the Visual Studio solution file, Ctrl+n, type in the capital letters of the class I know will be of interest (e.g. WRI for WidgetRepositoryImplementation) and off I go. While you're still birthing out your first class I'll already be tightening up my tests.

And there are people vastly better/faster than I am at this.

[1] But be sensible about this. For me, big code generators are a no go. I use spring because it (a) doesn't sprinkle it's code anywhere I have to see and (b) regenerates the code every time so there is no sync issue between changing a source and regenerating a dependency.

[2] Always refactor when you touch code, including making the code consistent with current coding standards.
I didn't want to get in touch with them, before getting legal advice - for fear of incriminating myself or doing something unwise before getting proper counsel.

I did try to deal with it earlier, with the car company, but the terms of a settlement were still too onerous. They wanted a lump sum figure (albeit with a 30% discount) - which was still way too high for me.

If I had the certainty of future cash flows, I would have pressed to get it resolved earlier - but I knew that my cash flows would be in jeopardy in a few months, so figured it would be best not to get into such an arrangement.

I do plan on working out something in the future though....once I can get through this.
Is there some trick to editing Google Spreadsheets? I've never edited a shared document before. I signed in, clicked an open row, started typing, and ... nothing.
Stephenson is pretty tech savvy. I can't picture flim-flam merchants dazzling him with the concept of hyper text.
How much would you have sold Yelp.com for?
<Iron> the german people say: google is very evil
<jamessan> yet you use google's adsense

Ouch :)
Krishna Janmashtami Celebrations 2010, Free Janmashtami Photos, Pics, Wallpapers
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Chromium Notes: Roman numerals and the web API
Ok, HN, why do you downvote this? It is a thankful positive comment.

Above with the same amount of votes, but upvotes, is "This has been in Chrome for quite a while now." which does not seem any more constructive yet spread negativity.

I would understand not upvoting this, as it is no real contribution (though I immediately understand what this was about without having to read the linked article) but why downvote?
Some hints (I hope they are not too revealing): Suppose the boxes are numbered. Also devise a scheme that will correlate the probabilities of success for the prisoners (i.e. success should not be independent).
'It’s spring of 1241, and the West is shitting its pants' Considering how much I have been looking forward to this, that is a terrible, teenage opening line for the website. And from Stephenson! Gah. I would have expected better.
Any time. Thanks for visiting the US, come back soon.
I find this attitude quite bizarre.
"What's the use? Seriously."

I agree with what you say but perhaps the OP was just trying to start an interesting discussion.
Just purchased the print edition, looking forwards to it!