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I work for an SaaS startup selling into the financial sector. We started out with a different kind of pricing model, based on volume; a simple formula based on data throughput. It didn't survive our first sale.

Selling to large entities, even SaaS, still involves negotiation. Often the large customer wants some key features; sometimes it's a checkbox feature, sometimes it's to disarm antibodies inside the organization, sometimes it's something they actually need for a business requirement. That work needs to be priced in.

And there's the other side of it: different organizations get different amounts of value from our software. If we don't charge organizations who get more value more money, we're leaving profit on the table. Even shrinkwrapped software back in the day had segmented offerings to capture more value. And when you're selling to large organizations, which will necessarily involve multiple salespeople and a bunch of meetings (i.e. scope for fine-grained segmentation without confusing proliferation of products), if you don't charge different prices to different organizations, you're an idiot.

If anything, this way of selling is better for smaller organizations than the segmented approach. Even if we can't charge more, all customers at least get the same product.

That's not to say that volume and data throughput doesn't form a part of the price calculation. But it's a multiplier where the base price is based on the value delivered, which is business dependent.
For databases comparison, I really like Kristof Kovacs page: http://kkovacs.eu/cassandra-vs-mongodb-vs-couchdb-vs-redis
Italian town bans pizza-making over soaring pollution
If you don't have an interest in all the options, they have a huge list of defaults[1], and on some machines they have a list of preelected mixes to the side.

I think why people take so long is because it's their 1st/2nd time using the machine, and they want to try out something new. Or in the worse UI choice [2] there's a huge central button that takes you to the mixing selection, and once there its difficult to get back to where you'd select the standard drinks.

[1] https://i.ytimg.com/vi/kihGFB4XT60/maxresdefault.jpg

[2] http://www.bevreview.com/wp-content/image_coke_freestyle_nra...
There's something precious about the currency of sleep in the work place. It's non existent. You've never felt like you're dozing off for a minute and would kill to be in bed at that moment?
The typical strcat code you see in the wild:

char buf[100];
buf[0] = '\0';
strcat(buf, "Hello");
strcat(buf, " ");
strcat(buf, "World");
strcat(buf, "!\n");

The inefficiency is that each time you do strcat, the existing characters of the string are iterated. So something like a common sequence of building a string by appending little pieces has quadratic inefficiency.
Except that it is (someone posted a link to the law above).
Before we had religion, now we have "science". I think humans are superstitious creatures that need something to believe in.

By the way, I nap every day for 20-30 min since I read a few years ago that it was good for me ;-)
If you think government is inefficient, you have never seen a large corporation from the inside :)

Most prisons are privitized in the US but this sounds like not in this case.
Given the total effort spent, I think adding a canister of fuel every two days is absolutely reasonable.

The additional complexity of solar or a few turbines would have caused that project to probably consume much more resources than (just guessing) one large car tank filling over the whole runtime.

Also: the generator probably is way overpowered to just charge the battery, must small ones have 1-2kW or so. Its consumption likely is dominated by whatever it needs during idling. So, a way to probably cut consumption in half would have been to just use two times the number of batteries and charge half as often.

Update: Based on http://powerequipment.honda.com/generators/models/eu2000i (first random find, and, yes, it's a 120V model for the US, but I'm only interested in the petrol consumption) it's probably even less fuel: tank is 1 galon (3.8l), enough for 3.4 hours @ 1.6kW or 8.1h @ 400W. Naively splitting between idle and delivered-power consumption, we get 0.25l/h idle and additional 0.54 l/kWh. So taking the numbers from the article (400W full power load which would deplete the batteries in 2W), it can't be more than maybe three/four litres every two days.
An excellent read about WeChat from a16z: http://a16z.com/2015/08/06/wechat-china-mobile-first/
The film _Brazil_ escaped from its script.

It is taking over the world.
It's interesting to see which projects have experience with naming servers (anyone who didn't include "phab" in the name)
Five days of bloody diarrhea until he saw a doctor?!

What's wrong with these people?
Show HN: There's no limit to what one developer can achieve
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Carmack invested about $2 million into Armadillo in its first 6 years. Elon invested $100 million in that time frame (actually, the first 4 years of SpaceX).

Armadillo did OK actually, they just were on a completely different trajectory. It was very much a hobby project for Carmack.
9 weeks (October and November); ExpressVPN and VyprVPN worked pretty well.
I mentioned the legal cost separately because the largest and primary cost comes from the crimes themselves: the damage a criminal does directly (stolen goods, destroyed property, injured people) and indirectly (lowered trust in society, trauma).

Can a criminal lead to more than $30k (low end) or $100k (higher end) damage in a year? Easily. That's one drunk driver causing a single accident where someone gets hurt.

Wile it's partially because legal, incarceration, and healthcare costs are bordering on obscene in the US, I'd bet (moral issues aside) that it's still a good trade-off to keep people prone to crime in prison.
No. 25% lower yields are a small price compared to traditional pestcides. From increased cancer rates, dead pollinators, heavy metals and hormone disrupting chemicals we cannot even begin to quantify the cost of heavy pestcide use.

GMOs are a better solution, we can agree on that.
Just wanted to add that we're working hard to bring down the request time in GitLab 8.x. We're not there yet but already optimized a lot of SQL queries and this release added support for better comment caching to prevent markdown parsing. Edit: we had to revert the comment caching at the last minute due to a bug but we're working on that, many other improvements and performance monitoring with InFluxDB and Grafana
A rounding error on the release date isn't the most sensitive mistake if inmates have already done most of their time (and crime relapse is only probable because prison and reinsertion programs aren't working). Scheduling cells and inmates, tracking security cards, tracking prison risks are much more risky, they can lead to a revolt, guard assasination, etc.
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I'm really interested in knowing if other HN members have similar data points on this topic. I tried Cloudflare one year ago and had the same issue (response time increased a lot).
Why the mobile Web is slow and how.. native mobile apps can eliminate the wait
... if they don't balk: "per register" ;)
"Proving" something in a court of law (in criminal law) only requires that there is no reasonable doubt. Providing alternative explanations that are not logically impossible, but exceedingly unlikely, does not help you much. If the Dexter thing occured as written here, proving intentional copyright infringement is very easy.
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I assume Phabricator was in development way before that inside Facebook but I'm not sure.
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I wonder how much of the research into this has taken place outside of the context of the famously sleep-deprived USA?
There's a difference between a bubble and social optimism, and even if they're having a bubble, maybe it's better? Because compare to the West, always feeling like they're one day from Armageddon, creating economic crises out of thin air (i.e. 2008 in Europe, people hearing there's an Economic Crisis and concluding they need not invest until it's gone, therefore creating a crisis where it wasn't before).

Hell, maybe it's sort of a rose-colored view of the history, but I look at the communist propaganda in Poland from the times of my mother, and I think I liked it more than what we have now - in the past, the government would show you movies how everything is going forward, how industry is performing over expectations, how hard work of people created prosperity, etc. Yes, they lied to you. But so is every single "free" media station every single day, but now the narration is that everything is going to shit and will probably explode before the commercial break.
Ask HN: Cloning Prod DB for Acc-Testing Environment?
Hello,

For acceptance-testing in our new deployment process we're developing, I am thinking about the possibility of cloning a production-server into a virtual machine for each new release to simulate the exact environment as in production.

This would be easy if it not were for the database size. It is 2 TB, which would probably take too long and use up to many resources.

Is there some way to create a proxy to the production database from withing the accepance-testing environment? I am thinking that all reads come from the production environment, and all writes can go to a local instance. And if i am trying to read from a row wich has been touched it will get it from the local instance (which only contains the inserted or edited rows).

Is there something similar to this concept?
Note that not all of those use Phabricator as a bug tracker (KDE, lighttpd, LLVM, Haskell, I imagine a lot of bugs for Wikimedia are reported through project chat pages on the wikis themselves).
You may also have problems if you're connecting through corporate firewall. I won't name a certain Chinese well-known corporation using certain McAfee shitware that managed to block ExpressVPN and VyprVPN within a week for me, making it significantly more difficult to do my job there.
Last time I went McDonald’s I got sick (salad). Last time I had food poisoning it was at a Subway.

Personally, I prefer Chipotle anyhow.
Google is testing signing into accounts using just your phone
You mentioned the Coulomb barrier makes this impossible. Can you comment on this story about Edward Teller?

https://news.ycombinator.com/item?id=10780632

Seems to me it's not proven beyond doubt that it's impossible. Furthermore, even if it does prove to be impossible it could turn out to be a 'useful mistake' if new science needs to be developed to explain the phenomena that were once labelled as 'cold fusion', that's what interests me more, I don't really mind what it's called.
This is really nice. I had been looking for something like this. Are you planning to continue developing this? Could you add an option to export to PDF?
We're working on an artifact browser for 8.4. I assume an API for that will be trivial after that has landed.
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We working on an auto scaling Runner for dynamically provisioned build secondaries. This uses docker machine so it works with most clouds. It will most likely land in 8.4 but we're not sure yet.
its a pretty unimaginative and depressing view to suppose they'll be working 12 hours no matter what they do.

arguably workers might get much more mileage out of e.g. organising and forming unions to lobby for better conditions.
Aren't they building nuclear plants now?
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Perhaps his holiday time had been miscalculated due to a glitch in the system.
The anti-gmo thing is a stupid fad. Unfortunately, they have to follow it until people either get educated about the issue or blindly follow the next food fad. Most likely the latter.

That said, the food IS more wholesome. As long as it stays that way, I will take my chances.
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i have only heard shady things about this place both anecdotally and in the media[1][2][3]. this does not seem to be the atmosphere that common is aiming for.

is there another side to the negev story that i'm missing?

[1]:http://sfist.com/2014/11/21/tech_co-op_the_negev_faces_furth...
[2]:http://archives.sfexaminer.com/sanfrancisco/legal-problems-c...
[3]:http://archives.sfexaminer.com/sanfrancisco/sro-tenants-tale...
Automated car fleets work well for suburbs. But past a certain point, heavy rail train subways have far more throughput than the equivalent amount of cars.

Look at this image for example: http://imgur.com/gallery/v3ff7FY

Building & maintaining roads and highways does take a lot of money too. Building new roads vs building new railroad track on new land isn't that much different cost wise.
Depends what you mean by "just fine". Objective-C method dispatch is very slow. It's significantly slower than that of JavaScript, for example.
That's one possible outcome, but we can't be sure until more research is done. A growing body of evidence of new phenomena should be examined scientifically, even if it turns out there's nothing new at all.
We're very aware that the current performance of GitLab.com is not acceptable. This is caused by its fast growth and we're working very hard to improve it in the coming months. Yesterday we migrated to all SSD storage, which is an important step.
the market hotel by any chance? i have fond memories of that spot.
Well, it's still not based on anything, which is why I remained unconcinved. Let's agree to disagree.
It really grinds me that he is portrayed by some as an unjust victim of US gov malice and a champion for internet rights issues when he is nothing more than a thief, liar and conman.

It doesn't help that people like Snowden, Greenwald and Assange associated themselves with his cause when they appeared at his election event in Auckland where he promised a bombshell against the government but produced what were likely forged documents.

I'm all for copyright reform, online privacy rights, reform of US judicial overreach, etc. but Kim Dotcom earned $175M by commercializing misappropriated content. There was no cause here as could be argued with the pirate bay or other similar cases. There was also nothing innovative or interesting about what he did. This guy was in it for himself and knew what he was getting himself into and what the consequences could be.

That he cast himself as an internet jesus was to be expected by those who knew him, but that so many bought it up is very unfortunate and damaging to legitimate causes.
And that money is worthless if the issuing government collapses. There is no ultimate security.
Only .com is slow and we're working on it. Local installations should be fast.
By that, I believe it's meant "particular qualities that make the candidate better suited for a sushi job".
That sounds like a bug that should be fairly easy to catch out. If you don't write unit tests, you're going to have a bad time (or duplicate amounts of "good time" as in this case).
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Quick question: What's the draw of using Netty vs pure java.nio? The latter (Selectors, Socket/DatagramChannels, ByteBuffers etc) seems reasonably straightforward to use, so I've never really looked at a framework - am I missing out?
There's also MoonLisp compiling to Lua, written in... MoonScript [0]. The output isn't pretty, but I'm looking for a lisp for NodeMCU, so I might give it a shot :), maybe combined with [1] due to way NodeMCU seems to work (interpreting / locally compiling files + little memory = you want to save on source length, including comments).

[0] - https://github.com/leafo/moonlisp

[1] - https://mothereff.in/lua-minifier
I would have thought that they would restrict automobile circulation before banning pizza making, especially in Italy !
Totally out of left field here, but I got some auditory synesthesia from watching this, especially on high speed. If any of you did as well and are interested why, it's probably the same phenomenon talked about here: https://www.newscientist.com/article/dn14459-screensaver-rev...
I prove mathematical properties purely for the sake of proving them. The fact that they have any bearing on the real world is a mildly interesting diversion. Given this frame of reference, empirical evidence almost never enters the picture when justifying a proof. Indeed, empirical evidence is necessarily finite, whilst even some of the most simple proofs reference the infinite.
Relative differences could potentially work; absolute times would map to the wrong time. Anything that asked the system for the current time and stored it in a 4-byte value would get the wrong time.
He works stupendously hard. Growing up my dad was always working, and it factored heavily into my decision to not pursue a career of long hours, it's a trade-off I wasn't willing to make. As a consequence, I won't have the financial resources he has. The amount of dedication that it takes to run businesses like tesla and spacex well is intimidating. To quote princess bride, it leaves no room for dilly-dallying.

Another take-away I get from musk's achievements is that the best software businesses are about applied software. Paypal is software applied to finance, tesla is software applied to cars, spacex is software applied to rockets. Combine great software with great hardware, and you get companies like apple, tesla, spacex, companies that change the world.
Are there any stats about this? Military contractors have a bit of a special situation ( not to say its valid...), but if I'm wanted for murder in France I'm pretty sure I'll be put on the first plane out if I were in Virginia
> rename it santa-mas

If you really want to go that way, it would be a good idea to also get rid of the -mas ( https://en.wikipedia.org/wiki/Mass_(liturgy) )
On rapiscan models (backscatter scans) it is basically software controlled, although the modularization makes it non trivial to be changed in a hack, as reported in this talk: https://www.youtube.com/watch?v=x_f4HUrn-NA
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https://twitter.com/gitlabstatus on https://status.gitlab.com mentions Azure cloud several times.

"The rsync to *Azure* SSD got interrupted last night
when we had an outage. Restarting it now." - 18th Dec

"This means service will partially restore over the next
few minutes and then go away again once the *Azure*
restart command succeeds."

"Looks like we are headed for the ‘double restart’
scenario. The NFS server came back on its own but
*Azure* is still busy restarting it."

"*Azure* restart of the NFS server is in progress"

"Depending on whether the machine is stuck or already
rebooting. No way to tell with *Azure*."

"*Azure* CLI restart of the NFS server finished, that is
usually a good sign."

"We are experimenting with copying data out of our
current *Azure* storage account. Unfortunately the
copying affects http://gitlab.com" - 1st Dez

"Azure incident quote: Network Infrastructure and
Storage - East US 2 - Partial Service Interruption
[East US 2]" - 11. Nov

"Seems to be a major @azure outage..." - 11th Nov

"At 18:00UTC we will start migrating PostgreSQL to Azure
Premium Storage gitlab.com/gitlab-com/ope… , expect 15
minutes downtime." - 10. Nov

"trying another Azure restart of the NFS server " - 6th Nov

"In the last 24h, we had two reboots of our Redis server
seemingly caused by Azure (no kernel panics) and VHD
read errors on the NFS server" - 5th Nov

"Azure are sponsoring us so we are saving a lot on our
hosting bill. We are documenting the move on an upcoming
blog post." - 16th Oct

There have appearently been really big troubles, starting in November! Is Azure cloud that bad or is it a problem on your side? What about moving to AWS/Google/Rackspace?
But even the green bubble solution is "perfect". One app. One experience. I want to message this person, through the internet for free if possible and if not - just send it as a text. I don't want 4 apps on my phone to do the same thing, and that's why I don't see the point in being an also-ran
No, I didn't, but your statements were general in nature ("whatever API you're using right now"). Certainly there are exceptions, but they are not relevant for most of the work being done in dynamic languages.
nice. how did it play out? has it been debunked?
If an OS upgrade breaks lots of programs or even one heavily used program, chances are users will blame Apple, not the developers of said apps.

Also, part of the reason that it takes them long to fix certain bugs may be concerns about seemingly internal changes breaking applications. They cannot refactor methods (rename or even change an argument list) in any class they ship because someone, somewhere, might override one of its methods.

In that light, I think the change makes sense. Of course, Apple could just add private/sealed to all their classes, if only just before shipping, but why make the typical choice more work to write than the exception?
I don't know whether this was the case here, but in general governments are more likely (in compare to private entities) to award contracts to incompetent contractors. Case in point: http://inside-poland.com/t/polands-election-software-open-to...

Basically, with state bureaucracies and government procurements - politics, various forms of corruption and other non-merithorical factors can often affect the outcome. Because it's taxpayer's money that's getting spent.
GitLab.com runs EE so you can set up a free site there. We have free shared runners too so you don't have to configure a thing. I set it up yesterday for Sytse.com (with a redirect, cname support coming next month)
Mirror: http://super-memory.com/articles/sleep.htm

Past discussion: https://news.ycombinator.com/item?id=5244619

(Maybe not an exact mirror, but substantially the same article.)
This could be a classic example of why unit tests (or at least striving for coverage alone and not functionality) is not good enough. What the pseudo code might have looked like:

def getReleaseDate() = getStartDate() + (getTotalSentencedDays() * getGoodBehaviorCoefficient())

And say all of those functions were covered 100%, then they get the new state supreme court decision changing the contents of "getTotalSentencedDays" and even wrote new tests to make sure it included the "enhancements" and what not. Coverage 100%, unit tests appear to be in order, all done. There was no "testGetReleaseDateWithGoodBehaviorNotAppliedToEnhancements". Hard to catch this stuff when you are close to the code.
Monk's biography on Wittgenstein is great. I recommend his newest one on Oppenheimer if you haven't read it.

I think Monk's point wasn't just about gender, but also about whether the punishment was appropriate or proportionate in any case. Disrupting a class should be punishable regardless of gender, but struggling with a difficult lesson, especially one deemed unimportant for young girls at the time, is not a publishable fault. There was also the fact that Wittgenstein's corporal punishment was particularly harsh, and on one occasion fled town when even he realised that he went too far by basically hospitalising a young girl. In later life he eventually returned to apologise, but had his apology refused.
all my games were done in Love. My latest one: http://bitoutsidethebox.com/autumn/
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