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I don't think it was alleviated directly by Go, I think it was alleviated directly by improved parallelism... By the descriptions given, their go implementation uses a worker pool to help split active work across threads, while their Node implementation did not (though in Node you'd shard across processes rather than threads) - or at least it doesn't seem like it did (despite admitting to spending a bunch of time doing processing in JS between s3 requests).

Another nit: The article also implies that the height of the flame graph would indicate a performance issue, which I argue is inaccurate: Since the height of a flame graph measures stack depth, I argue it also represents abstraction. So long as most of those stacks are are equal-width, then the abstraction is low overhead (and probably has value to justify it). Generally with a flame graph you want to be making comparisons within the graph, comparing the time spent in each call (so the relative widths); not commenting on its shape in-general (though it does always make for a pretty blog post).
I thought the reasons in the article were good, but here's a concrete one: Comcast was counting data used for Netflix against your data cap, but they were not counting data used for their own streaming video. Keeping with the concept that an ISP is similar to an electric company, this would be like your power company charging you to use lamps from Company A but not lamps made by Company B (whom they've presumably partnered with). This is incredibly anticompetitive, and especially harms small businesses.
I always was more of a xfce guy. So I used xubuntu most of the time, but I have the feeling it's performance isn't was it used to be:/
I would guess that the response times are severely limited by the performance of S3.
Too bad they don't have any good looking laptops. It could really be an alternative to apple.
The latest Lemur is supposed to be really great. I have an old-gen (4 years old), and it still works pretty well.
And it has a proper emergency stop button!
Every other thruster works by pushing something small at very high speeds in the opposite direction of the direction you wish to move in. Hall thrusters are pushing small ions at near the speed of light or something, right?

This thruster pushes nothing. It just achieves thrust with only energy. No refueling ever, solar/nuclear energy into movement until you have no more energy.

This violates certain physical laws, but there it is being measured anyways.
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> They could probably have solved this by scaling out, but I'm not going to fault their diagnosis or response.

Just want to add that EC2 instances aren't exactly cheap either when it comes down to it. I'm sure budgets are tight at Digg. Far better to first try to solve the problem with refactoring than throwing more hardware at it.
> Did you create this account only to comment on this story? (just curious)

Yes i did, usually i just let certain topics pass by me and never comment here.

RF-cavities though are the very core to my line of research, so my acceptance for bs is very low in this regard.

If one wants to convince me of a thrust effect: build a prototype where the power source (a battery for example) and the RF-source are strapped onto the cavity, put the whole setup in a vacuum of your choice (i heard NASA has very nice and !large! facilities) and show me a sustained increase in impulse (just let it rotate for a while)
And a horse could do it centuries before that, but that's not a fair comparison either.

The car in that video had so much extra custom stuff it's not even funny. And while it's still a technical feat, I don't see every mercedes being sold with that equipment in it already.

The reason this is amazing is because Tesla is planning on switching this on for all of their new cars in the very near future. It might not be the most technically advanced, but it's here.
I've definitely seen Googlebot hitting the API endpoints of a site via AJAX calls. I can't say definitively how they treat that data, but they definitely call it.
Those you mention no. There are tools for typechecking (flow) and to be honest in years of JS programming only rarely have I had bugs caused by a variable of the wrong type being passed into a function. As for the "weird" equality operator, again, not an issue, any linter will force you to use === and then you are good to go.

If you are talking about the callback queue getting too full and causing delays you may have a point, but the objections that you have raised are quite petty.
Do you talk to people in real life about unity?

I have never met a person who called unity slow and unresponsive, but I always read that complaint online.

My dad uses it full time at home and consider it just as user friendly as the windows he uses at work.

I used it on my laptop 7 years ago, and every other update had hardware compatibility quirks. But unless I used the XP that came with that laptop, Windows also didn't have full compatibility.
For the uninformed, what problems would Rust's features and microkernel not protect against?
We are talking about a car that decapitated its driver this year.
I think the alt-right is a major problem because alt-right ideas are supported by a network of sites that create and propagate outright lies. The lies are then propagated further through Twitter accounts and FB groups to create a movement that literally wouldn't exist without its popular untruths.

The UK's Brexit vote was swung by the fact that some of our newspapers have lied about the EU for decades. The list of lies is breathtaking. They literally just make shit up to further their cause.

The Left doesn't lie and manipulate on an industrial scale like this. The Left sometimes gets facts wrong, but there is no industrial fake-news network supporting left-leaning ideas. (And no - the mainstream media are not that network. The MSM are primarily pro-corporate and pro-establishment, not left-leaning.)

Once you start lying and manipulating professionally and commercially, notions of free speech no longer apply. Industrial dishonesty is toxic to democracy. It's also an easy and cheap tool of influence for hostile nation states who want to undermine shared values.
Best web app I've developed was basically Django, with bare minimum JavaScript to handle some in-page effects. People been trying to shoehorn desktop concepts in the web since forever and it will never work. A desktop app is installable, a web site is not. It makes no sense to wait your js app to download for the sake of smooth page transitions.

Take a look at reddit's new mobile site, written in react. It takes around 7 seconds to load, to display text and links. Compare that to HN's, which loads in 0.1 sec, for basically the same content.

SPA's have their place, for things like games or the likes of google maps. But for the rest, please respect the web paradigm . Your site will be simpler to build, faster and most importantly, lighter. The web world has become mobile-first, not js-centric...
Why would I need to invest into having more time when work is supposedly going away, this leaving me with more time automatically?
It feels like they edited the video and then picked a song that exactly matched the video's length.
That's impressive, but still an easy course compared to what I see daily in my (large) city. I'll get mine in February and am curious to see what it'll do in those narrow roads where 2 vehicles going in opposite directions can't pass each other sometimes.
I have been an Ubuntu user for over 5 years and used unity. Now after a fresh install I tried gnome 3 and was blown away by the usability and looks. Also the application search does not hang like unity. I think gnome 3 deserves some more love.
I'm curious what that button does? Does it go full "emergency brake" mode and stop the car ASAP, or does it give control back to the driver?

I could see the former being useful during development, but I wouldn't want a "slam on the brakes" button in my car. And the latter could be much more easily worked out by just switching under any driver input on the steering wheel.
You're right, management risk is extremely important for anyone wanting to quit their job.

My advice would be to not even consider it without having enough money to sustain yourself for a minimum of 2 times the period you predict will take you to become profitable in your desired venture.

So if you spend 3000 a month, want to become a freelancer and expect it to take you 6 months until you build up steady business you should have a minimum of 36,000 saved up.

I learned this the hard way, hope someone out there heeds this advice.
One of the problems with 'The year of the Linux Desktop' is that last years' problems are still Googleable...and the year before lasts' and the year before that, etc.

Unity has been responsive for me on a variety of hardware over the past three years. I'd say anything with Intel Graphics or better would be fine. As a generic user experience I think it's better than Windows 7, worse than Windows 10 [for people who like Windows 10]. On Linux, I prefer Unity to Gnome and Xmonad to everything.
> User: "Cancel my account, I'm switching to my local internet provider as they provide free Netflix."

What local internet provider?

Where I live, the only lines into my home are classic phone (completely useless), DSL (ultimately controlled by the phone company, even if I think I'm buying it from somebody else), and cable (controlled by Comcast). The only good option is Comcast, because the phone company can't keep the DSL working.
Very cool video. Said Daimler was using 8 radars and three cameras, so sort of the inverse of the Tesla approach.

The Tesla video is a bit more exciting, because it is using a car that consumers are already driving, whereas the Mercedes has "aftermarket" sensors and a computing platform built in. Mercedes is impressive on the other hand, because that was three years ago.
Sounds like Reid Hoffman's book "The Alliance". Good read.

http://www.theallianceframework.com/
Elon would have picked Amish Paradise.
Try dropbox paper instead of evernote. Personally I find it awesome and migrated to it from evernote. One reason for it was the (since years) missing Linux client and the unusable web client.
Find out what your favorite GitHub languages are
If found myself turned off Ubuntu because of Unity, despite using Ubuntu itself since 2005. Odd orange and purple, new odd left menu, general sense Ubuntu was changing how I didn't want it to. Moved to Mint. Seemed to replicate Windows XP but by a pain. The upgrade path for Mint felt not dissimilar to jumping into the sea off a cliff 50 feet up with an incoming storm. I've done both. The sea took 15 minutes to swim 50 feet. Mint was worse.

But then, out of chance installing on a laptop that wasn't sure it was UEFI or BIOS (yes, BIOS in UEFI mode), lacking much in terms of storage media, plus a weak internet connection, knew Ubuntu had a mini install, not server install, but mini install, but had never used before. Not so well linked to on the website but for benefit of all here's the link: https://help.ubuntu.com/community/Installation/MinimalCD about 40MB.

Fantastic. Complete Ubuntu ecosystem underpinned by Debian solidness. And straight-up GNOME environment (or GUI of choosing, or lack of, selectable on install). No cruft, but as full featured as any Ubuntu can be. And lets GNOME actually be enjoyed with customisation, but also allows the focus and productivity that GNOME esp. GNOME3 offer.

The OP is about OSX to Mac. Completely support Ubuntu/GNOME. Absolutely suggest straight OSX > GNOME and it/general Ubuntu ecosystem. Avoids messing with Unity or any 'Ubuntu minus Unity' system reinvention, and lets one enjoy using a computer, not being frustrated by it.
thanks for the feedback
>That is why professional software usually has two stages- First the UI, designed to be used by everyone with little training

I have never seen actual professional software that included this first stage.
I'm sure IBM couldn't set up a single profitable bakery.
The real kicker is this comment in GNU true(1).

/* Note true(1) will return EXIT_FAILURE in the edge case where writes fail with GNU specific options. */

If you can't program a bug free true(1), please stop with whatever you think you are doing.
Which leads us to the unfortunate lack of a good "don't provoke avoidable user agreement inflation" manifesto. Perfect hiding place for "agreeing" to the much more nasty stuff.
There's also the whole "Roko's Basilisk" incident.
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Unity worked well for me on older machines (Thinkpad X220 is the only thing I use for everything), however, to get the 15+ hours of battery from it and a superior experience (for me), I use i3wm instead now.
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I'm also not getting it.

Long flame graphs in node vs. golang is probably 50% refactor. The other 50% is the async calling pattern in node that leads to deep stack frames.

The overloaded event queue? If that is true the not the queue is overloaded but there are too many entries that are ready to run and at least one takes a lot of time running to completion. So there could be system level problems (flood incoming data) or a code problem. There could also be a low level i/o problem in node showing up under high load. It would have been interesting to learn the true root cause.

Considering the time already spent and the results they got and the cost of investment of switching to golang I would say the decision is rationale. The whole point of micro-services is to maintain the tooling freedom. You are trading off the need of expensive support contracts with the bounded risk of re-engineering a small service.
People forget that arXiv is just an academic wikipedia. Anyone can post an "article" here. So a being "published" here is meaningless as to potential validity.

When referees at real journals actually do their jobs correctly, they check arXiv when given manuscripts to read & reject them if they have been posted to arXiv as violating the "no prior publication" rules at the real journals.
On the Internet, specifically on the Something Awful forums, it was was infamously paired with footage from 9/11 and posted either the day of, or the day after, the attacks. The video is called "tribute.wmv": https://youtu.be/2AYujWCCHRk
I think it was significantly improved around 14.04 and remember a definite before vs after difference. Further tweaks in 16.04 but you would hardly notice anymore.
I wish they had a 13'' model. The Lemur is not bad, but still bigger and heavier than a MBP 13.
> "A journo that 'makes up' sources would be fired and black-balled, and also, there is editorial oversight on that."

Can't tell if you're joking or not. If you are being sincere, I'd like to live in the world you describe, but I don't.

Let's imagine for a second that those in charge of editorial oversight have been corrupted, who is going to be a reliable fact checker at that point? There's a great deal of evidence of collusion between the mainstream media and powerful groups with an agenda to push (corporations, governments, lobbyists, etc...). Would you like me to show you or do you know this already?
Both are accessible via the Browser...and it looks like there's a FUSE client for Drive. Of course the fact that it's a FUSE client speaks to the Linux experience...no matter how much anyone wants to pretend, there's still command line and configuration involved when dealing with many interesting problems.
I did not say "need to", I said "want to".

Please comment below and say "I promise I will never want more time or more money, neither today nor in the future" if this is untrue.

EDIT: I used human needs before but I'm not sure this is entirely synonymous to human wants
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Who are the core "tenants" of net neutrality?
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BCP38 RFC2827: Defeating Denial of Service Attacks IP Source Address Spoofing
I haven't worked with S3 for some time. Is latency really that high when in the same availability zone?
'Apollo', Charles Murray and Catherine Cox [0] is a terrific book about the engineering and project management of the Apollo program. They don't talk about the software much (if anyone has a suggestion, I'd like to hear it), but there are a ton of great back stories about the technology, planning, and management of the program that led to July 20, 1969.

[0] https://www.amazon.com/Apollo-Charles-Murray/dp/0976000806
Does it have the equivalent of the web clipper? I use Evernote mostly to save bookmarks
>The solution to this problem is to encourage small local internet providers to pop up and provide much needed competition.

That involves invalidating the franchise agreements that Comcast and others have with major cities and allocating funds for municipal broadband programs. Unfortunately, that won't happen under Obama[0], or Trump[1]. Looks like it's about time for a third party to come forward in America.

[0]http://www.politico.com/blogs/media/2013/08/obama-golfs-with...
[1]http://www.latimes.com/nation/politics/trailguide/la-na-trai...
> I bet that if an experienced Node.js developer rewrote the entire service again in Node, you would also get 2x speedup.

Maybe, but why not try Go on a small piece and see how it works.

> I can't believe the CTO of digg bought this...

You make it seem like the CTO was somehow being conned. Like Go was a bad choice. Maybe it was as simple as wanting to see what another language offered and this was a good time to try it out.

> Why can't developers just admit that they don't know how to scale a service?! It's not the language that's the problem, it's you; it's always you!

Oddly enough, this is a language feature built into Go from the get-Go. The language is designed such that a mid level programmer can ramp up and write performant Go code in a short amount of time without needing years (or even months) of experience, theory, classes, third party libraries, tooling, etc. It's a bold experiment and it may not succeed. Has it for Digg?
The trolley problem (Relevant to autopilot mode in cars)
Not that I'd know. More a note taker here...
the jogger is a problem because the legs are so flimsy :)

If you don't see the legs and don't have very accurate 3d vision, the object might just as well stand further away in the middle of the road: http://malea.lacerta.uberspace.de/up/e92e6492-ce56-468b-8e09...

I think the hydrant is the same problem: head on you don't have any parallax effect to do know the distance, so if you don't detect where the thing is rooted to the ground you might guess it's in the way.

and it completely fails do detect the right end of the lane (the moments before I was amazed how it still drove so fluid)

I think 0.25x is the right speed if you want to watch it in realtime
I think this is something different in Denmark mainly because, since it's such a small country, a Danish person in these sectors needs to be comfortable with the relevant technical English vocabulary anyway, even when not interacting with foreigners. Many materials are not translated into Danish, especially when you get past the introductory textbook level, so there's an expectation that if you're in a high-skill, university-qualified profession, you can read/write and speak professional English. ("Professional" here meaning that you have a working English knowledge of your own profession, not necessarily that you can talk about all subjects in English.)
Congrats: Your shell just spawned another shell to run an empty script.

Also:

# rm /bin/true && true && echo success
success
This guy Robert Greenleaf, mentioned in the article, is worth reading. http://www.worldcat.org/title/servant-as-leader/oclc/2491811...

He was a manager of line workers (people who climb telephone poles, etc) at Ma Bell back before the Baby Bell era. He may not have invented the idea that management is a service job, but he wrote about it eloquently.

Greenleaf gets used in some questionable contexts. He has lots of fans in right-wing theological schools, for example, where student preacher wannabees are fed the myth that they are "servant leaders." Those folks can deceive themselves into thinking they're humble and become blinded to their own arrogance. The same is true of everybody. But the misuse of Greenleaf's work doesn't mean it's bad work.

I believe the context of a management consultant saying, "get to know your employees" and then beaming back up to his starship is also questionable. This stuff is not magic. It's hard work and long term work for the manager. It takes a lifetime of practice to get it right. That means people who do this are going to get it wrong, a lot.

Military academies have year-long courses in ways of leadership, where officer wannabees get to read about and practice doing these sorts of things. So they get to make a few of their lifetime quota of mistakes in a controlled environment. We programmers don't get that kind of training.

In business, "willingness to make mistakes" is usually a trope advanced by an egotistical senior executive. It's usually not real at the level of line manager where these "powerful conversations" make sense. All this is especially true in the Silicon Valley style youth culture.

Lots of comments here have said, "I don't want my manager psychoanalyzing me" or something like that. They're right on. If a manager in a management-by-objective company gets a monkey on his back to ask every staffer "tell me about your childhood," lots can go wrong. First of all it's forced and fake. Second, what if staff members tell you the truth when you ask that? Are you ready for that? Probably not.

So what can a manager actually do?

It's all about attitude. A manager who often asks, "how can I help you?" and then accepts both "leave me alone so I can get my work done" and "send me to a conference on some-new-thing" as answers, is a manager with a good attitude.

A manager with such an attitude can ask, "why?" when somebody discloses hopes and dreams, learn something about the staff member, and become a partner in helping that staff member get closer to those hopes and dreams.

So, here's MY listicle for managers: One step to developing your people: Habitually and often, ask "how can I help you?" and accept the answers you get.
> Industrial dishonesty is toxic to democracy.

https://www.youtube.com/watch?v=Drn0Lg5gIRc

That's one of numerous examples of selective editing by CNN.

> The Left doesn't lie and manipulate on an industrial scale like this. The Left sometimes gets facts wrong, but there is no industrial fake-news network supporting left-leaning ideas. (And no - the mainstream media are not that network. The MSM are primarily pro-corporate and pro-establishment, not left-leaning.)

Even if that is true now (and it's a very dubious claim), you don't have to go back very far in history to see the left bending over backwards to justify the socialist utopia Stalin was building in the USSR.

If you believe in truth, if you believe in honesty, stop making excuses when the liars are on your side. Stop using the no true Scotsman fallacy to excuse liars. Dishonesty is used by human beings of all classes and political stripes. It always has and it always will be.
If you pressurize a sealed cavity with a gas, it's not going to move due to the internal pressure regardless of what shape you make it. If you sum all of the collisions of the gas atoms along with the container, the sum momentum will be zero. Momentum is mass x velocity.

Contrast this with pressure created via light. Velocities with light don't add that way. Instead there is a red/blue shift in the frequency.

I can't put my finger on how this could work, but it seems there is a discontinuity here between the speed of light being constant in all reference frames and summing velocities to calculate momentum.

Maybe with light, only energy conservation matters and momentum can be changed via redshift/blueshift relative to the container.