skysight-inc/HackerNews huggingface dataset:
Iron rimmed cart wheels would do it (you needed a lot of carts) along with all the people you needed pre-combustion engine to carry stuff around.

https://www.youtube.com/watch?v=DVQiEJW7RWg

http://www.victorianlondon.org/transport/traffic.htm

Clogs (wooden shoes worn routinely in earlier centuries) with nails in for gripping the slippery cobbles. Victorian London would have been seriously loud I imagine, at least in the main roads. Then you had music.

http://vichist.blogspot.co.uk/2007/09/sounds-of-victorian-lo...

However, I think that the grandparent post may have a point: European cities do have dense cores, so cars tend in many cases to be routed around the edge of the core in a 'ring road' system.

As a practical example, Birmingham UK has extended the Metro into the very city centre, removing car traffic from a few main streets. It is noticeably quieter now in those streets compared to before the changes. When the system is fully operational, we will see how the acoustic footprint changes.

Once outside the main streets of the city, but still within the central core, you can find pockets of quiet - song thrush/nightingale quiet.
Was considering an embedded project in the near future, so this may be helpful. In my initial search it was looking like Guix (http://www.gnu.org/software/guix/) would be very useful.
Our design shop posted a “Terms of Service”. We think your's should too
The issue with LTE is that spectrum is limited. With 30MHz of spectrum, ~2 bps/Hz spectral efficiency and 3 sectors per tower you can provide at most 90Mbps of total downstream capacity per tower. With a density of 10k+ people per km2, a tower serving a one km2 area is easily overloaded. With towers costing hundreds of thousands of USD, things get pretty messy.

Wifi doesn't replace LTE, complements it. No doubt that the UX is still crappy, but SIM-based authentication can solve that.

Also, unlike LTE, wifi spectrum isn't licensed, anyone can set up a hotspot without paying billions to the government. Sure, we could all solve that by switching the entire world to an unlicensed, pay-as-you-use system, but that's unlikely to happen any time soon.

In other words, spectrum is the major constraint in urban areas.
"In the 1990s, Microsoft used a strategy it called “embrace, extend, extinguish,” in which it gradually added proprietary capabilities to products that already adhered to widely used standards."

What about TypeScript? What about "class" syntax in ES6? (who lobbied for it?) Microsoft still uses the same tactics. They tried it with JScript. Now they open source their JS and TS compatible engine and VS Code (contains mainly TS code).
Read the comment again. Your room above your bedroom is your own living room. This means that the family upstairs having a party is your own family :)

Most modern buildings with concrete ceilings have little sounds transmission to the apartment above, the most annoying sound transmission is from footsteps to the apartment below. That's why that idea works so nicely.
Per household is kinda irrelevant for his point, is it not? You need the additional infrastructure to handle a more dense population and his point was regarding the upgrading of utilities.
It seems like you read the first couple of lines of my post and then skimmed through the rest of it. :) You reiterated points I made as though you're arguing with me, I'm a bit confused.

Re: dev spending. We drive development spending down because it costs far less to write software once and deploy everywhere than it does to write it for two, three or more platforms. The "elegant" goal is one compilation and/or deployment target, whether you like it or not doesn't matter, and it seems like JavaScript (or some related cousin) is going to fill that niche. Pretty silly to think that's delusional when it's already happening.
Difficult Subjects
offcourse not, retailers are very sensitive to matters of ethics like this.
Contrasts in Number Theory
Reading speed is rarely the bottleneck in reading textbooks, just as typing speed is rarely the bottleneck in coding. In fact, I found that strictly limiting my reading speed, e.g. by forcing myself to spend at least two minutes on a page before turning over, has greatly helped me to understand texts better and more thoroughly.

Actually, novels are the only part where I could see some value from speed-reading, as the plot is usually not all that difficult to follow and at least in most cases the language not nice enough to marvel at it, though I suppose the latter is what you meant by “good novel”.
May be I'm not aware of all that blockchain does, but does it really provide risk scores based on transaction histories?
The White Stripes

Anyway, listening habbits differ from 20 years ago. I agree people don't appreciate and relisten to a complete album as a whole like they used to, but there's so much quality and innovating music going on.
How would you arrange it practically though? You would have to distribute sim cards, and people would have to swap those out with their normal sim card rendering them unreachable by phone. That's ofcourse assuming their phone isn't carrier-locked. Wifi seems a lot more practical unless phones are redesigned to cover this usage pattern.
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From Newton to Mandelbrot http://link.springer.com/book/10.1007/978-3-642-86780-4 shows how to use small tractable computer simulations to understand Physics.

Modern Heuristics is in my top-k books of all time. Check out Zbigniew Michalewicz's other books @ http://cs.adelaide.edu.au/~zbyszek/books.html
I agree, but I'm two months behind on implementing important features. While I can take a week here and there to optimize, my time is best spent delivering business value.

Unless you allow performance to genuinely suck (and I don't) slimming down web apps won't help my business make money. You get what current fashionable JS frameworks and build tools give me.
True. I have no opinion on this project, apart from being impressed by someone making their own x-compile-to-JS language.

But a boss shouldn't _force_ something this immature onto their devs.
>> After all, we know from Einstein that there is no measurable difference between gravitational acceleration and inertial acceleration (like, say, bumping a sensor).

I think it's better to say that we know it from Newton's laws of motion and gravity - they are older, much easier to understand, and can still explain the principles of the technique.
No, it's not. MRI for example uses OS-level threads from 1.9.x onwards. The GIL prevents multiple of those threads from executing inside the interpreter at any given time, which may sound like it forces a single thread to be running but in practice most typical code will end up spending a lot of time running in C extensions or waiting on kernel space, so it's much less of a hindrance than you might think (it's still not great, but it's far better than it'd be otherwise)
> This is like saying the more developers you put on a project, the more entrenched you become...so developers are not a panacea.

See Mythical Man-Month (https://en.wikipedia.org/wiki/The_Mythical_Man-Month)
While not a GitHub UI feature, isitmaintained.com [1] comes close to providing a quick overview about a project's status. When choosing open source libraries, I always go there first:
[1] http://isitmaintained.com/
IntelliJ IDEA 16 EAP Is Open
The main benefit from ART on Android is having all of the code generated in advance and mapped from storage. There's no waste from code being generated at runtime in-memory. Wasting memory by generating code dynamically certainly hurts performance so claiming that a JIT compiler is always just as good is not true.

There's room for a JIT compiler but the sanest baseline is mapping AOT compiled code from storage. It's way faster than a baseline interpreter and way lighter than a baseline method JIT.
How long will they remain accessible for download? Hopefully indefinitely. I'm on vacation. Crossing my fingers I'll be able to download them when I get home.
2016 Unicorns
Analysis: Google Moving to OpenJDK, What That Really Means
Old doesn't necessarily mean bad. Smalltalk is almost unique - the only thing I'd really compare it to would be Erlang, and that's only at an underlying level.
"Some users had some data deleted from the database during some database changes on 12/30. We apologize for the inconvenience if you were one of the group of users affected - it stinks to lose data, we're very sorry and we will try very hard to make sure no users ever lose data again. Thanks."

What did you do?
Show HN: Rabbit – Synchronized video playback
Increased memory consumption and reduced page sharing between processes using the same code means lower performance. Memory bandwidth and cache capacity are a much bigger bottleneck than CPU throughput for most use cases. A JIT compiler is not competitive in performance with an AOT compiler if both are using the same code generation implementation. And profiling is limited in what it can do, especially when AOT compilation with PGO as used by projects like Firefox is considered.
nice project, I also like SVG and JS for visual experiments
Maybe they want to win time against competitors with "patent pending" products (regardless if they ll be granted the patent). Does that mean they are working on bitcoin products? Have they announced anything?
I think it's because it's not seamlessly integrated into Github and instead relies on external services that aren't intercompatible. If Github integrated/bought one of these services and made everything work smoothly with their billing system, I think many people would love to contribute. Maybe even make "corporate" contributions, although I don't know how that would work.
No, the main points of these already exists and is called multisig with a copayer being the bank and accepting or denying transaction proposals based on some rules.
But you're not the one implementing the frameworks. For those, being slim is business value.
Guy complains about being prone to back pain (despite his adamant stance about the correct posture) then says something like this:

> We live in a gravitational field, and when our bodies are out of line with the vertical, certain muscles will have to work harder than others to keep us upright. This can result in undue fatigue and discomfort that can outlast the strain that caused them.

I have given myself back pain once. Lasted few months and hurt like hell when getting my head up from the bed (and other similarly straining activities). Went away while after I eliminated the cause. Which was most comfortable chair I've ever had.

Chair was perfect and supported me perfectly. I was sitting for hours in it. But my pose was static. Why move out of optimum? This caused small stabilizing muscles near my spine to weaken (while the large ones stayed fairly strong). Then it was enough to lift something bit awkwardly to cause significant damage to them that took few days to heal (or even weeks before I discovered which exercise to apply to work the small deep muscle that hurt).

I'm slouching since forever. But I also wriggle in my chairs and get up often. I found good chairs to be those that allow for that.
I've been working on this during the holidays to watch Christmas movies with a friend. I mainly use it to stream h264/mp3 encoded videos. Inspired by Netflix Party, I decided to submit it to Show HN. It's largely unpolished, but the core feature (the ability for a partner to sync playback) works well.

Yesterday, I added a video chat feature. I'm not sure if it works exactly as intended because I don't have anyone to test it with this late at night.

Thank you for looking at my project.
Profile-guided optimization exists and is used by projects like Firefox is the real world. The advantage of JIT compilers is getting the profiling data dynamically, but that's usually going to be worse off than a well-tuned profiling suite especially if there are manual annotations.
Thank you, unfortunately I lost the story l clicked flag on in the list.
I don't find anything wrong with this. You need to remember while the cat is an important stakeholder in the system, the executive stakeholder is the cat owner (he pays the bills) and thus he needs to see the value. Thus the app is to keep the owner in the loop and show them stats about the cat's activity.
> The only real issue here is that he just created himself a new essential department with himself as the head. Most people would be thrilled

Only people who like managing other people would be thrilled. Those who do not want to manage, would not be thrilled.
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I'm actually thankful for this. It's a great way to filter tech journalists, and publications.
> Ever since building my first VBA script in 2012

* closes tab * .
MakerBot CEO lays out plan to launch blend of iOT and social networking
One technique I have been thinking of is to use AI/NLP to automatically generate questions from the text. It might not know the answer, but it doesn't have it.
What makes you so certain?
Slow code is just paying for developer productivity in CPU time instead of labor time.

It's great in theory until the AWS bill arrives. Often times it's still fine, just depends where the bottom line is.
http://hackaday.com/?s=pipboy

You're welcome.
>If all that tissue is not needed, then why did evolution conserve it? It consumes energy, adds size, and increases weight and head size which reduces agility.

Because evolution is just survival. Fittest doesn't necessarily mean "best", particularly if we're talking about individuals of the species. What genes live on are what worked well enough to be passed on to offspring and didn't happen to get erased from the gene pool.
Let me recycle an earlier comment of mine:

---

> "don't turn humans into paperclips" is part of the context of "make more paperclips"

The idea expressed in this thought experiment is not that the AI gets its objective by parsing a sentence in the context of human culture (then it would likely comprehend that the actual intention is to maximize the economic success and eventually the human preferences of its creator). What is meant is that the objective is crudely implanted into the AI as an ultimate goal, in a similar way to how sustenance, pain avoidance and affiliation are very basic goals in our cognitive system. It is not entirely obvious that this is a stupid thing to do; hence the thought experiment. Will the AI suppress its urge once it comprehends human culture enough to understand the intentions of its creator? Will it rather successfully learn all the tricks to convert matter into paperclips before it considers studying human values? If the AI does not have a curiosity objective, it will likely not care about us very much, apart from the information that helps it optimizing its objective function, human values likely not being one of them.
Angry kids with a little knowledge and a lot of righteous rage are very, very prone to believing that the world's problems can be fixed by righteously destroying things. It's how Daesh gets so many recruits.
Six Technologies That Hit Their Tipping Points in 2015
Oh yeah, especially in emerging markets, where people measure their data allowances by the MB.
Maybe the server was just under load? It was pretty much instant for me, on a similar internet connection.
Chapter 4, page 313 is quite an interesting read (2000 vs 2015 point of view)

The corrected link from page 316 (bottom) - hilarious: http://web.archive.org/web/20001203002400/http://microsoft.c...

Page 325 talks about the porting effort which didn't work out, and the Wasabi language was born: https://en.wikipedia.org/wiki/FogBugz#History
> But most phones have no way to mark a specific 4G network as "good roaming", cheaper than normal.

Actually, this doesn't quite seem to be the case. When I went to Denmark a couple of months ago my phone didn't consider it roaming, since I have a contract where I have the same prices there and at home.
I've seen dang say that reposts are allowed if the original didn't get traction or it's been quite a while since it was last discussed.
One likely motivator for writing the tooling in the first place was an attempt to automate away manual tasks, the point of which would be to never think about these topics / problems again. In that light, the idea of being anointed "head of stuff I don't ever want to think about" is likely a reason to find a new job. Some people like to do work that interests them, not manage other people doing work that bores them.
What's the betting on him being in charge of something in a couple of years time? After all, are we not repeatedly told of the importance of failing repeatedly with other people's money as a learning experience? At least he didn't make the mistake of failing with his own money.
Apart from market size, it's the taste of market and its condition is something that is helping these young entrepreneurs to earn huge profits. One thing that we all know is that in the Silicon Valley or the USA, in particular or most of the market, in general, an entrepreneur with limited budget can get to know about the market taste, its wants, conditions, etc. This makes any firm to enter there easily and any product from any part of the world to dominate and disrupt. On the other hands, this is not possible in Chinese market. An American entrepreneur, for example, can't expand his services to Chinese market. Thus, competition is way more less there. Which means whatever consumers are getting, they are loving it, using it, and making the founder bag profits. This, however, is not that much easy in other market where consumers have multiple choices.
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How do you access these articles again? Can't make the Google trick work.
RCT was handwritten in Assembler, which is probably one of the reasons for using something so simple as RLE.
Don't be a dick. I'd wager that a substantial proportion of the community on HN started with Visual Basic too.
MintDS: Redis-like probabilistic data structure server
he's probably just created himself a new position and massive raise

This is not how the real business world works. It's just as likely to get a negative performance review for insubordination, not following procedure, and neglecting assigned duties.
Teach a man to fish, and you've got to put up with his fishing complaints for the rest of your life.
What I'm failing to understand is how do matrices relate to 3D graphics. What is a matrix representing?

I think I get the idea of a vertex, as that can be used to represent a point on a shape, like a 3d model.
The SAAS vendor will be used for its build expertise only. After the build the bank will deploy inner cloud. And the provider will be payed well for the build and for support.
I was wondering about that. But I don't think accent characters are intended for that. They don't seem to work for punctuation. We would have to use COMBINING DOT BELOW with a zero width space.

"This looks bad​̣̋

Edit: Actually make that a space, maybe it's the proportional font

"This looks still bad ̣̋
When a government starts putting newspaper editors in jail [1], what other proof do you need? Erdogan is now so internationally discredited that even The Economist, stalwart of Western establishment, routinely aligns Turkey with "Russia, Venezuela and other illiberal democracies" [2].

If you live in Turkey and you care about your country, you should really think about finding alternatives to Erdogan and his cronies.

[1] http://www.theguardian.com/world/2015/nov/27/turkish-journal...

[2] http://www.economist.com/news/europe/21677997-turkeys-govern...
a couple doesn't necessarily mean two, depending on where you are from. it can also be synonymous with "a few"
I really tracked the innovation happening throughout the last year - read patents (1000s in number, articles etc. What I really love is how we are moving toward a world powered by clean energy sources. And Google and Elon Musk are playing a great role in that. The project Makani of Google and Musk's Gigafactory was among the best thing I have ever seen happening in my entire life.
Thanks for your feedback. My experience was that 9 out of 10 times you'll be able to find a subtitle developed specifically for your movie/tv show release.

For the remaining, 10% of cases I think this approach could ease the pain a bit.
This was posted a few days ago, check here: https://news.ycombinator.com/item?id=10800172
Thanks! Yes, that's a good idea.
I don't know. But I do know that the Dutch style is the same as the American style, as I think are several other continental European styles.
This rethink has already happened - the BGPsec project and related routing security efforts. This was in response to many route hijack cockups and malicious netblock squatting. Hasn't got much deployment yet.
Author of the article here. Just contact me via the mail in my HN-profile.
Very nice. But are you sure it doesn't load things in the background, as needed?

In fact, if it didn't do this, I'd be disappointed :)
Technical subjects are probably the best possible to do this in for both publishers and authors - especially textbooks quickly depreciate in monetary value, but they'll gain a lot of extra exposure for authors and newer titles.

I'm sure they have some classics where they'll lose some sales, but most of these titles will have been superseded by newer books or subsequent editions of the same books long ago.
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If you read German, his "Lineare Algebra" was published by Springer in 2003:

http://link.springer.com/book/10.1007/978-3-642-55631-9
How Intercultural Misunderstandings Make Ukraine Teams Lose Business; Avoid It
What is functional programming?
Due to the high salaries, things that are related to human labour are expensive. As a tourist you get a biased view of the country since you experience mostly the service industry.
I doubt anyone doing data analysis is unfamiliar with R, as it is the current standard. The push to use Python, or Julia, or a version of Lisp (hey, we had that in the 1990s -- us olds remember xlispstat) for data analysis is coming from the people who find R to be a rather unpleasant language. Which is a subjective opinion, obviously, but not an uncommon one.
Interesting books with >4 star Amazon ratings:

The Meaning of Relativity (Einstein) http://link.springer.com/book/10.1007/978-94-011-6022-3

Centauri Dreams: Imagining and Planning Interstellar Exploration http://link.springer.com/book/10.1007/978-1-4757-3894-0

The Physics of Musical Instruments http://link.springer.com/book/10.1007/978-0-387-21603-4

Introduction to Nanoscale Science and Technology http://link.springer.com/book/10.1007/b119185

Scanning Electron Microscopy and X-ray Microanalysis http://link.springer.com/book/10.1007/978-1-4615-0215-9

Structures or Why Things Don't Fall Down http://link.springer.com/book/10.1007/978-1-4615-9074-3

Fundamentals of Power Electronics http://link.springer.com/book/10.1007/b100747

Advanced Organic Chemistry A/B http://link.springer.com/book/10.1007/b114222 http://link.springer.com/book/10.1007/b114293

Principles of Terrestrial Ecosystem Ecology http://link.springer.com/book/10.1007/b97397