skysight-inc/HackerNews huggingface dataset:
I'll put "us too" here, as we too now assume Redis to be up like our relational store(s) -- Percona MySQL. ~16GB at ~500 ops/s averaged over the last 3 months. We've been running Redis for core features for more than 21 months, and as a store, it has been the most stable and easiest to reason with for what performance we can expect and actually receive. Compared with "non-SQL" setups we deploy, if we were to start from scratch, we'd look to replace ActiveMQ, Solr, and a number of our jobs that we jam through MySQL.

Bravo to antirez and the Redis team.
Many times they don't allow people to photograph pictures, or at least they ask people not to use the flash. Unfortunately, about 8 out of 10 people don't listen or they can't figure out how to turn off the flash.
Minimal Weather - Bookmark it on iOS and its icon shows the weather
Right...which is the purpose of having devs in the newsroom, to increase the variety of storytelling formats that the newsroom has, particularly for the online medium.

Unfortunately, as most newsrooms have journalists trained almost exclusively in the narrative format, it's not a trivial task to conceive stories that are told differently than they are in print.
Sorry! I forgot about this issue.

view-source: is a convenience protocol only supported by Google Chrome and Firefox, which makes the source look nice (syntax highlighted). When I have time I'll make an appropriate alternative for other browsers.
I'll take a look at the algorithm—thanks for sharing. I fully intend to update this article later to give some details on how it performs.
firearms killings _are_ a pattern, if I recall correctly they are something between 5 and 10 times more frequent in US than other first wold countries.

I personally believe that US citizens are unable to understand how dumb their attitude to weapons is, but

+ mass shootings wouldn't be much impacted by changes in the policy

+ mass shooting don't seem to have a strong correlation with firearm policy
The cheap alternative here as far as power is concerned is grid electricity and have natural gas turbines for electrical backup. Blackouts never last more than a day in this area, and very rarely that long, so being able to run the air conditioning is not important, you need to run lights, security cameras, and the door locks.

However much they are generating with solar cells it's not even a fraction as much as they would save in switching to a geothermal heatpump system for the heating and cooling needs, which would have been a fraction of the cost of the solar system, and a minute fraction of the ongoing costs including battery replacement.

This is about certain people getting contracts to sell stuff to the government. Anyone competent who is really interested in a good solution wouldn't have built this system.
...yeah, sure. Let's see what you dig up.
Yeah, I think you are right. The "Domain Helper" options no longer appear in my accounts page:

http://dns-opt-out.comcast.net/help-index.php
I guess I was thinking something like this:
http://roguebasin.roguelikedevelopment.org/index.php/Eliglos...

(the second example, "raycasting"). You'd work on the "native tile resolution".

I.e. you just "swipe" lines starting at the player position to the edge of the map, in a circle; as soon as you hit an obstacle tile, you stop marking the tiles ("pixels") on the line as lightened. No need to do any per-object iteration (as long as the tile map contains object references in tile positions)
I doubt that even 6 months is enough time given the issues at Yahoo. May Yahoo shareholders show some restraint and patience to see this out as the long-term challenge that it is before jettisoning yet another CEO.
hacks or reactivates old account?
Maybe the best one is HN.
You make an excellent point regarding diversity. Being a brown person in America is not easy (During the roughly 25 + flights I have done this year, I have been asked to do a "random" TSA extended check every single time). However, I can easily put this experience in context to other more homogenous countries I have lived in in other continents. The magnitude of the problem makes it excessively hard to make a realistic solution that works well for tiny populations scale well to the diversity and size that America operates in.
> an organized group with ideology shared by thousands of people.

<deadpan> This is not about Republicans. </sarcasm>
Its true that the technology of creating referral programs isn't hard, but sadly it usually gets relegated to the back burner for development teams who don't want to maintain it. Marketers who want to run experiments with referral marketing find they can't get buy in, so they don't try it.

By offering an API that marketers can bring to developers, in a format developers can respect, we are hoping to change that.
I don't just object to the narrative format, I object to telling stories. I don't want a more interactive newspaper, I want a more accessible Bloomberg terminal. Everyblock seems to be a step in this direction, and I wholeheartedly approve.
Google Sends Correction to Unnatural Links Messages in Google Webmaster Tools
So, reversing it was sort of all over the place. I first had to reverse the front desk system and all that; that was primarily done by sitting between the equipment with a serial proxy and working from there. Once I had a good bit of data captured, I'd write software to emulate being one side or the other. Everything is RS232 and RS485, pretty straightforward.

In terms of reversing the actual lock protocol, that was a bit more tricky. First step was tapping the line between the portable programmer and lock with an o-scope (a 70s-era HP scope; only thing I could afford at the time, haha) to figure out the voltage levels involved and the basic properties of the communication. From there, I hit it with the Saleae Logic to see what the communication actually looked like.

From there, I wrote some Python scripts to walk over the data from the logic analyzer and attempt to decode the data. With some tweaking, I managed to finally see some data that I knew, specifically the site code (which I knew from other parts of the system).

After I knew all that, it was a matter of figuring out the actual hardware level. Given that I have effectively no experience with this level of things, this was a lot of asking questions, googling, and experimenting. I knew that it was a one-wire protocol, so by reading up on other one-wire protocols I managed to figure out a lot. Once that was done, everything just fell into place; making the opening device work initially took maybe a day given all the info I had.
Love it :)

One suggestion, show small flags next to people in the list view as well, with the name of the country in the title attribute.
>It seems there's only 2 ways to go when hosting an event -- open the floodgates or actively manage the attendee list. Because of space constraints, we had to go with the latter.

I don't think that roguecoder is saying that this was the issue. This is a perfectly valid decision, considering all the logistical realities and your stated goal. It colors the implied message that there was a 50% split in interest between men and women, which is what I get from the blog post(which I do realize that was not the intent).

Unfortunately, I think that the blog post is misidentifying the real success here. It wasn't that you got 50 women. Your signup strategy pretty much guaranteed this. The hackathon could have been an utter failure, but the original goal would have The real success is that not only did you have an even gender split, you still had a very successful hackathon. That alone takes more work than just throwing up the signup page and limiting the signups to ensure that the proper distribution is reached, and I think should be the takeaway here: That it doesn't matter whether it's a guy or a girl.
And also, you don't have to be our ambassador. You can wear whatever you'd like -- you don't owe us anything.
Interesting approach. I'd be shocked if an algorithm based on two polar transforms, plus resampling, was ever faster than more traditional raycasting based algorithms (see http://www.redblobgames.com/articles/visibility/ for one detailed example) - especially given that you can do the raycasting algorithm entirely in hardware now on pretty much any machine, including the resampling.

Maybe you could do the polar transforms in a pixel shader to make up the difference? The transform also seems to introduce a not-insignificant amount of error, which is unfortunate if you want to use visibility data for AI (in which case you want full precision at whatever your target resolution is).
Misogyny is unfortunately scarily prevalent. All we can do is call people out on it. If there isn't social backlash they'll never question their worldview.
Uniloc founder hits back after Minecraft fans vent fury in "disgusting" emails
Youtube has problems lately. It has suddenly started to send me notification emails everyday non-stopped. The unsubscribe links had no effect. Even after I have unsubscribed a number of times, the spam kept coming. Finally I deleted my account but the spams kept coming in anyway. Of course marking the spamming emails as spam in GMail doesn't work. Worse there's no way to contact Youtube to report the problem.
Food from Twitter
Just wanted to ask: Are you one of these people who can't distinguish between the author of a post, and someone who posts a link to it?
In 1985 FCC rules were adjusted to create CLECs (Competitive Local Exchange Carriers) by forcing the I(ncumbent)LECs to allow competition on their hardware.

This never happened in the cable industry because cable isn't considered necessary like phone service is.
Gittip stats
> HN's Daeken will expose

You have my attention...

> security flaw in 4m

sounding really interesting...

> hotel room keycard locks.

Oh. Well, still pretty cool.

EDIT: Actually, this kid of thing needs to get a lot more attention and awareness. I could suggest a certification of some kind, but there's often a reaction against that. But a certification that just indicated:

- No passwords in plaintext
- Not vulnerable to replay attacks
- No "toy" encryption

Would be of great benefit in today's world.
What happens on the APM trip stays on the APM trip.
I was referring to this specific hackathon, which obviously succeeded.

More generally, Computer Programmers as a whole are 22% women. Many hackathons where I am are wildly oversubscribed; any hackathon that is at least 127% oversubscribed should, if they have average gender representation for the profession, be able to have a 50/50 split. Since I've seen 2x or 3x oversubscription rates, that is not unreasonable.

If you include designers and business people, it takes even less oversubscription to get there. 29% of technical managers are women, along with 54.3% of designers.
Pocket-radio is looking for #python hackers
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Now You Can Travel Back & Forth Through Time on Google Earth
Tech Startups Making Millions Off The Presidential Race
You have a most excellent point. I'm sure we won't see significant changes for a while, and this is a very long game that must be played. The critical adversaries Mayer will have is the flip floppish board at its head and the shareholders, as you say. Do you know if there were any changes in the board with her hiring? It would be interesting to know which members supported her and which didn't.
relative to the length of each user's arm

It's easy to snidely dismiss that idea, but seriously, how would you define a unit of length in an environment that is supposed to translate between multiple devices and media types? A "pixel" makes little sense when drawing on a sheet of paper or a super-high DPI screen where pixels aren't individually visible. It can't be a fixed real-world distance, because pixels would sensibly be larger at movie-screen distance than at arms' length. They basically defined it in terms of the arc-length of the picture upon your eye, which is completely reasonable to me.
What you describe is very childish behavior, infantile even, but I believe you are right about Jobs being like that, and I think this might explain why he was so good at making toys adults crave like children.
But we shouldn't idolize someone like that, IMHO, this isn't healthy conduct. Even if he has made a lot of money during certain periods of his life, it does not vindicate his behavior or make him a proper role model. Being a responsible adult is a lot harder, and there are things more important than financial profit.
The problem I see is when the marketing department wants 'one more quick feature'... you know it will happen. I'm all for not re-inventing the wheel, I'm just not sure that this api is that much of a value add.

I also tend to shy away from businesses which haven't figured out their pricing yet. '100% of funds are passed through'... but no mention of what happens when the beta is over. 5%? 10%? 3.5%? Give some sort of guesstimate.

To me, that also says you're still trying to figure out your own business model, which is fine, but not something that I'd want to build my own business around. I want to know you're going to be around in a year and that I'm not going to regret not implementing this myself.

Don't let me sound discouraging. Keep plugging away though. I'll check back again when I'm ready to implement this on my own site and make a decision then. =)
The stats page should have permalinks for each week so that if someone clicks on this HN submission in 1 month they can see the intended stats, not the latest.
I didn't even notice the text on the shirt underneath his greasy, unwashed hair.
I'm surprised that's how they are designed. How often do the batteries need replacement? (I realize that this isn't exactly related to your hack, but I'm finding myself fascinated by the economics of maintaining lots of locks. It reminds me of the problem of early computers having to replace vacuum tubes at a certain rate, limiting the size of the machine).

Also, is it the housekeeping staff that reprograms the lock after they clean the room? It seems like it would be very inefficient to send a special person around to reprogram the lock after every check out.
Obviously a hardware accelerated implementation would be ideal if not required, which is why I was going to first implement this in a shader, if possible.

The artifacts you mention are sort-of inherent in shadow maps, and depend on the resolution of shadow map you are working with. The demonstration I did had a lot of error, but you can see at the bottom some examples of higher resolution test cases which have significantly less error.
Apple Passbook partnering with UK comapany Pass fu.com
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A very lively and interesting discussion on this launch is going at this moment on this other thread: http://news.ycombinator.com/item?id=4281724
They'll do bulk. In fact, they will do all of the things normal bulk senders will do... dedicated IPs and such.

They don't have any UI though, which will make it hard for most email marketers.
> Sometimes rudeness is respect, especially if it's an honest communication.

I disagree, you fucking piece of shit.
it was most of a generalized comment on the post than an actual question. I promise to be more careful next ColinWright.
BBC, NYT, Drudge, Politico, Techcrunch
from wikipedia: "Evolution is any change across successive generations in the inherited characteristics of biological populations."

from me: "Evolution(clearly biological) cares (a cute way of saying is effected by) about nothing but survival." The personification of evolution was perhaps a bit too cute, but I feel it's also a bit more inspiring than getting specific. Also, I can't see much of a difference between surviving and being naturally selected.

Please let me know what I'm missing.
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Yes, but sooner or later guice won't be enough and you'll use a framework anyway; then the integration mess begins.
With the configuration in code/profiles in Spring 3.1 I don't see any real-world advantage to using guice.
okay very cool. the scientific method, rinse, repeat. how long have you been reversing?
How did you practice this and discover it? I can't imagine just wondering around hotel rooms playing around with the doors...
Actually what he did right with Pixar was to let the creative people be creative. I realize that sounds like nothing, and yes it is nothing -- but it's everything and here's why:

A bad producer or studio head who isn't a creative will always get his or her paws all over the film projects and tend to ruin them. Or worse yet select projects not on the creative merits but on a perceived notion of how they'll do in the box office -- the result is all of the bad special effects and franchise movies we see today.

Instead Steve had the rare courage to do NOTHING except let the creative people "make a great film". That's something that's very rare in Hollywood and deserves a ton of credit...
You are acting on assumptions. If you actually talk to them first you will find out what will really happen.

They might actually have a way to deal with this. Maybe the only thing they need is some time.
At least robbing a bank for a dollar can have a rational backing [1].

[1]: http://abcnews.go.com/Health/Wellness/nc-man-allegedly-robs-...
The battery lifetime depends on how much traffic the door gets, but generally I believe it's 4-6 months, which is pretty impressive for 4 AAs.

As for reprogramming the doors, that only happens very rarely. The cards have an expiration date and a code that cycles, meaning that when a new card is introduced, the old ones won't work anymore. So really it only needs to be reprogrammed when the clock gets out of sync or the batteries die (there's no non-volatile storage, just RAM).
how does a hotel not go bankrupt replacing thousands of batteries all the time?

A microcontroller in sleep state (or similar) draws extremely low power, micro or nano Amps. It only wakes up when it sees data on the card reader, reads the card reader data, and decides if it should open the lock. The motor that unlocks the door only runs for less than a second. Then the whole thing goes back into sleep state.

Hotel doors are only opened 10s of times per day, at most. A pair of couple Amp-hour batteries will last quite a while. Maybe replace them once a year. Tech with an electric screw driver maybe takes 1 minute per door, even a 600 room hotel only costs 2 days of labor once per year (max 1 week, if the tech is slow). That's not that expensive. And the tech's time is 10x the cost of the batteries, coin cells in bulk are dirt cheap.
Is Yahoo where the opportunity is?

I know a lot of APMs. Most of them are actually still at Google, but the ones that leave usually do so to found or be the first PM at a startup.
World Population Grows Beyond 7 Billion
I've realized that I've watched too much Dr. Who, but proper time travel should let you go to the future -- no?
That's not what I'm reading. (I assume that you too read Norwegian, so we're not discussing artifacts of Google Translate?)

From an article on the opposition to the law[1] (my translation):

The Department of Health hasn't tried to hide that the
goal is a stricter set of laws which can be
used if Breivik is sentenced to compulsory mental
health care.

The department has long wanted a change of laws to
improve the security in institutions that hold highly
dangerous patients. This work was sped up after July 22.

See also [2], which says approximately the same thing.

The criticisms I've seen seem to center on that the new law makes it too simple to declare someone "dangerously insane".

Do you have a link supporting your interpretation?

[1] http://nrk.no/227/dag-for-dag/lovforslag-moter-kraftig-motbo...

[2] http://www.aftenposten.no/nyheter/iriks/Lex-Breivik-splitter...
So Meta: My Startup is a Tool for Distribution Hackers
Can the DMV innovate? Why yes it can
Sounds like we better hurry and decide. Thanks for the candid feedback, its the best kind and I hope you'll keep it coming
Why would they differ? Both take exactly 5 seconds, since you pad the difference anyway.
How long are blogs going to milk the Steve Jobs thing?
Personally I am not for a real name policy, but I do prefer that people post under their real name if possible.
This works, but gives you no indication of whether the tile is partially visible or not, much less how visible. An accurate indication of this would require many more rays and a lot of processing.
I was working on a replacement of the Onity front-desk system at the time, and I suspected it existed for a while. In another comment I detail how I reversed everything, but everything was done on my own hardware, not just random hotels.
Cloudant, Not to Be Confused with Cloudant, Is Building a Big Database Business
While not run/authorized/curated by YC, there was a community-wide discussion about the want/need for a podcast of this sort, and the community seemed to answer with a resounding "yes." Hijacking is the wrong word, it's a podcast about HN, so the name is simply relevant.

Although I guess they could be more clear about the "no affiliation" thing.
Yes, we currently do not offer this in the API but have a few customers trying this with other forms of rewards. Email support@refer.ly and we can help you
Ubuntu's Unity Desktop Comes To Fedora 17
It's already been taken down.
Commercial injection modeling is going to be at the rate of perhaps a thousand per hour, not per shift. Many parts will be set up so that a single "hit" of the mold can produce dozens of parts.

In manufacturing, processes are used that have a minimum number of steps. Cycle time is critical. Even CNC doesn't have that much penetration outside of a very few select industries, namely aerospace and some automotive. Very little, if anything, on a consumer product will be CNC made, for much the same reasons 3D printing will have a very hard time catching on for production.

One real niche for CNC is actually making molds for injection molding - that's one case where taking dozens of hours to cut a single part isn't a problem, as that one mold can stamp hundreds of thousands of parts.

Source: I'm actually a manufacturing engineer by training.

EDIT: And yes, I think 10 years is much too soon. Industry has a huge amount of money invested in existing factories. Much of that equipment is useable for decades to come. You would have to get quite a bit better than the existing standard for them to even think about replacing the existing lines.