skysight-inc/HackerNews huggingface dataset:
Well, I can tell you what's the use of learning Perl 5 and that I suspect most of it will apply to Perl 6 as well:

Perl, more than any other language I know, sacrifices nearly every other property in the name of being useful. It's not a conceptually clean language, or an elegant one, or a simple one, but if you need to get stuff done, now, there is very little that can compete with it.
(At least for some rather specific values of "stuff" - Perl, IMHO, really shines at small-ish scripts that need to convert data from some format to another, or merge data from different sources, especialy when lots of text-handling are involved). Parsing a log file, or matching user accounts from a Windows domain with employee records in an ERP system's database are two examples that come to mind because I had to do those things not too long ago.)

Perl 5 has problems though, especially when it comes to writing large-ish programs. While you can write readable und unreadable code in any language, Perl makes writing unreadable, unmaintainable code easier than, say, Python. Perl 6 tries to fix a lot of this while remaining as useful as Perl 5 (or at least trying to).
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https://archive.org/details/BBS.The.Documentary
That's a good point. But I'd very much like to know when I'm looking at content that is pushing something versus something that is genuine. The same could be said for reviews: if the review is good and interesting whether it is paid or not is not relevant. But for me it does matter whether the reviewer was paid by the maker of the product, it tends to skew the review towards favorable or even very favorable when in fact the product may be mediocre or simply bad.
Rolling back complex rails apps
Last Friday we launched our Kickstarter campaign, re-introducing the dickey as the perfect layering basic. The dickey has been identified as an emerging trend, recently covered by industry-leaders such as The Huffington Post, The Wall Street Journal, and Bloomberg Business. Currently, Le Cou is the only fashion-forward women’s apparel company dedicated to this category. For those who aren't familiar, a dickey is an article of clothing that, when worn under another layer, gives the impression of a full button-down shirt – but with none of the bulk, bunching or overheating. Perfect for professional wardrobes, and a no-brainer for travel – fit two or three dickeys in the space of one full shirt. We are trying to get the word out to women who wear shirts.. as well as editors and writers whose audiences who would be interested in our product. Thanks for reading! - Elizabeth
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Nope, that's not how you program. But what I said is how to stay in shape. Which is the confusing part? What constitutes "real food"? What are appropriate exercises? A half-hour on Google should clear that up real quick for you.

Not a great analogy, really.
So who is going to be interested in motorsports when in 15+ years AI beats the best human drivers? Not only the races will be boring (cheering for an automaton Lewiz Hamiltobot?), but all humans would look like total losers.

The "easy" way for AI is to record all telemetry of a super fast human lap and then tweak it with machine learning for subsequent runs. No human is going to be 100% consistent all the time.
For one data point I know at least one person who sometimes use Counter Strike (offline w/bots) to mitigate some of the side effects of his/hers ADHD-PI, like extreme sleepyness during daytime (whenever something gets boring.) I guess this is a very individual thing though.
good luck to the team.

the mission website states that one of the aims is to measure gravitation waves. I would love to see the data. NASA open sources a lot of space data. Here's to hoping ESA does so too for this mission.

http://www.esa.int/Our_Activities/Space_Science/LISA_Pathfin...
A robotic car could do something no car driven by a human could ever do: drive without fear of losing their life. Which would allow it to take a lot more risk. Humans continuously balance risk and caution, with racing and other dangerous sports having the 'risk' portion of the equation defined as 'you die'. For a robotic car such a risk would be non-existent.
Fast-forward 20 years, a plane crashes, they find and open the black box and in the flight logs they can see the cause clearly:

"undefined is not a function".
My impression of the Auburn / Alabama rivarly is the same. I think we could just as easily have picked a different anecdote, and make the case that it's AU looking down at AL as lower class: It's a relatively common joke to ask Alabama fans if anyone in their family actually went to college, much less to Alabama. Tommy Tuberville, while AU's coach, said that Alabama seemed to have a lot of "walk-on fans" who never went to college.

I think the author went off the rails trying to tie in class warfare (it is the Slate). Narcissism of minor differences really hits it on the head. The most intense rivalries seem to come where there's more overlap in the constituents, and the differences between them really are petty.
"It ended up falling apart when the insurance companies paid out less than they said they would"

Sounds like the way Social Security will be in a few years.
Exactly. Anyone who has driven a go-kart in an open track knows how incredibly tough and exhausting that is already, I can't even imagine scaling those forces to 300km/h+.
Is It Possible for Passengers to Hack Commercial Aircraft?
Fair enough, but if you want to compress CSS, JS and HTML then why not test it on those?

It also depends upon how you are supplying the compressed data. For static files, the compression time might not even matter - the web server can cache all the compressed versions and the compression performance is minimised.

For dynamic data (e.g. the output of a PHP or whatever), you might also want to test how well the compressors handle streaming data, e.g. feeding parts of a page piecemeal into the compressor and directly sending the output to the client packet by packet. Some compression systems handle this extremely badly.
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> - perl6 is the first mainstream(ish) dynamic language to not suffer from a GIL of some kind. You can do real concurrency and parallelism in perl6.

I went digging to try and understand what this meant, and seems it's referring to syntactic support for promises, which in at least the Rakudo implementation amount to a wrapper around a forking multiprocessing system (like the Python multiprocessing module).

From my perspective this concurrency isn't any more "real" than equivalents available in existing languages, but maybe I'm looking at the wrong thing - you mention global interpreter locks, and usually they refer to threading.

Does some implementation of perl6 have non-GIL threading?

edit: from <https://perl6advent.wordpress.com/2012/12/11/day-11-parrot-t...:

> The solution for these problems implemented in hybrid threads is to sidestep them altogether by disallowing write access to shared variables. The programmer (or in most cases the compiler) is obliged to declare a list of all shared variables before a newly created task is started. The interpreter would then create proxy objects for these variables which the task can use to access the data. These proxies contain references to the original objects. They use these references to forward all reading vtable functions to the originals. Write access on the other hand would lead to a runtime error.

> In other words, all data is owned by the thread creating it and only the owner may write to it. Other threads have only read access.

> For threads to be able to communicate with their creators and other threads, they still need to write to shared variables. This is where green threads come into play. Since green threads are light weight, it is feasible for a thread to create a task just for updating a variable. This task is scheduled on the interpreter owning this variable. To reduce latency, the task is flagged to run immediately. The data-owning interpreter will preempt the currently running task and process the new write task. Put another way, the data-owning interpreter is told what to write to its variables, so other threads don’t have to.
First-sale isn't relevant to this scenario. First-sale applies only to a specific copy. This is either a transfer of ownership or licensing agreement issue.
Even further, strict latency requirements on an already-busy system prevent you from doing any interesting compression.
It would be great if you could have simulation objects inherit from one another - e.g. if you're making a weather system to have a generic cloud, and then have thunder cloud and rain cloud inherit from cloud.
Most people would have. Sadly, some idiots took that option away, and the best you can get in civil court is a check. I hope fools will cause you and yours no pain in the future.
> Through the WiFi, passengers will have access to an in-flight portal which serves customers content without the need to purchase an internet connection.

Isn't this just great!

/sarcasm
Incandescent light bulbs are still made for 'industrial' use and can be bought from Amazon and electrical suppliers in the UK. I still use a couple of 40w bulbs in steel reflector luminaires upstairs in the 'cave' because I prefer the light.

May well move to a 'chandelier' style luminaire downstairs for Xmas look and warm spectrum.

Days are short at this time of year at 52.5 North. Art shops sell 'daylight' bulbs (incandescent with light blue glass envelope).
Yes, I think bottom left is the register bank -- you can see it is 25 elements horizontally by 32 vertically, and there are 25 total registers listed on the right (r0..r15 plus the svc/irq/fiq mode-banked copies of some of r10 through r14). Also I'm pretty sure the program counter (r15) is the far-left-hand-side, because that first row does not have cells in the bottom two bit positions or the top six (ARM1 used 26-bit addresses, hence the missing top six, and PC values are always 4-aligned, so no bottom two bits).
I've had plenty of corrupt JPGs - they're certainly noticable since a single error tends to mess up an entire macroblock, often even the entire rest of the image.

Was fun finding a bunch of my own photos like that. Luckily that was on a disposable copy and not primary storage, but it was enough to put me completely off non-checksumming filesystems.
When is Perl 6 going to be a standard installed package for the Linux distributions (Debian, CentOS, Ubuntu)?
Production of Vitamin D3 is produced by UVB hitting 7-Dehydrocholesterol.

If that light is producing UVB, then people should be wearing UV goggles while using it. I highly doubt they are using "naked" CCFLs producing UVB.
I always planned my life around the idea that there would be nobody taking care of me and conversely that my income would be taxed to take care of mistakes made in the planning of the lives of others. So far that strategy seems to be working out as planned, I have absolutely no illusions about ever drawing a pension but in spite of that I'm still paying into the state coffers to support todays elderly (and I'm not complaining about that, I figure they deserve their retirement, it's just that I wonder when if ever I'll have mine).
GIL stands for the Global Interpreter Lock, which python has been criticized for a lot. I don't know whether perl5 or other languages have one, really.
I've seen a lot of change recently: One of my two family chat groups (ok, the one shared with the in-laws) recently moved from Whatsapp to Telegram and other secondary groups (Christmas planning etc) have moved along as well.

My other group is still on Whatsapp but I guess we'll move that one over as soon as we can get everyone to install Telegram.

As much as I loved Whatsapp and have happily not only paid for it but enjoyed paying for it Telegram is so much betterwith replies, hashtags and last but not least a standalone client for PC.
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Ask HN: Are there plants that can open a window?
There are genetically engineered bacteria that can send a signal when the water gets polluted: http://news.discovery.com/tech/biotechnology/engineered-bacteria-send-a-signal-when-water-gets-polluted-150811.htm

Are there genetically engineered plants that for example emit light in a particular part of the spectrum to directly control valves/actuators in greenhouses to provide them with more or less water, nutrients, etc.?

At first this actuator that is artificially encoded in their genes will not be used as such by the plant itself. However, through evolution the plants that incorporate this genetic circuit in such a way that they can control the lights/water/nutrients will be selected for.
My first instinctive response to seeing this post's title was "Oh no, someone has published the solution for binary bomb, that's unnecessarily damaging to the 213 pedagogy."

Upon not-much-more reflection though: all pedagogy has to adapt to available tools and techniques. Even classic college-level puzzles like the binary bomb aren't excepted if decompilation and analysis tools have advanced far enough to make "Hit it with gdb until your head aches" no longer the best solution approach.

(Besides, gdb is the tool for the job, not necessarily the best tool for the job. That program really shows its age these days).
Do you suppose that an organization that builds a bus station away from a train station and has to connect them with a shuttle will do much better at building reasonable, cost effective infrastructure for self-driving cars?
Cartesianism is of the philosophy of Descartes (I just discovered).

Descartes was a fascinating individual. Something I recently read (but couldn't easily corroborate through the web) was that when he was a young man he had three dreams in one night. He interpreted the content of the dreams as a divine signal that he should pursue wisdom.

La Vie de M. Descartes - Adrein Baillet quoted in 'What Galileo Saw' by Lawrence Lipking
I was using the word in an imprecise way. You could say "price inflation" and mean rising prices, or you could say "inflation" and mean an increase in the money supply.

The price of money is the interest rate for borrowing it, but "inflation" in general refers to a decrease in purchasing power (through an increase in the money supply).
You keep quoting this article, but ..

The sources are dubious (wired and telegraph). Experts quoted in the article claim its impossible, including the lead engineer of the boeing thrust management system:

> Whether it’s possible to create this condition by issuing a command from a passenger seat is a different matter, however. Soucie and others who WIRED spoke to agree with Boeing that this isn’t possible. But unlike Boeing, they provided clearer details explaining why.
>
>Peter Lemme, who was a lead engineer on Boeing’s thrust-management system for eight years until 1989, says the system provides the auto-throttle function that actually controls the engine thrust, and doesn’t allow the throttles for the engines to operate independently of one another.

You claim it's been "proven not to be the case". Extraordinary claims require extraordinary evidence. So far I've seen nothing from this Roberts guy. Sounds like he's just full of shit.
There is funny South Park episode on this: http://uk.businessinsider.com/south-park-sponsored-content-a...

In perfectly sponsored content there should be no ads you can click on. :-)
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Racing, aside from the entertainment value it provides to onlookers, also server another important function, namely to showcase cars. I think auto makers will want to keep collisions to a minimum, lest public opinion on the traffic safety of autonomous cars is negatively impacted.
Sure, but would you watch it for getting adrenaline rush from racing? At some point it would end up as who has the best "non-linear controller" wins (i.e. human is your non-linear controller now), then all of them will have it and all the tweaks will be in some optimization techniques and different objective functions.

And your objective function would have to feature penalty for "killing yourself" (well, do you want to rebuild your car after each turn? I guess not...), so I would expect the cars will be actually pretty slow due to this initially, like Google's own.

Human motorsports face the problem that all physical records were shattered and humans already crossed the edge of their abilities (i.e. driving 250mph on the ovals is the limit before drivers pass out)[1]. So yes, there could be something interesting for a normal human to see that robotic cars suddenly could push 300, 350, 400mph etc. But what would this do to human motorsports? Relegate them to 'meh' category, basically killing the whole sport as humans would look like kids from a kindergarten comparing to robots.

[1] https://en.wikipedia.org/wiki/Firestone_Firehawk_600
We already have "an efficient, sustainable and safe form of transportation" - and it's also both fun and healthy - the bicycle.
Don't US rules mean sponsored content has to be marked as such? FTC has some stuff here: https://www.ftc.gov/tips-advice/business-center/guidance/ftc...

If it's a UK source the rules are much tighter: any sponsored content has to be clearly identified as such before the user "clicks" it. So, a YouTuber who has a sponsored post must include the fact that it's sponsored in the title of the video, and should probably have "sponsored" in the thumbnail, and in the first few frames of the content.

Having, for example, a three second clip at the end of the video saying it was a sponsored post is not enough.
FOAM CUT TO SIZE is this video set to go viral
"This is a bit strange coming from me, but being in VR, I wanted to feel a bit more lore in the game. [...] A deft design touch with some names, iconography, and maybe a little voice acting could hint at a richness that you might choose to explore in the future."

The end is nigh.
"If you want to build a ship, don't drum up people to collect wood and don't assign them tasks and work, but rather teach them to long for the endless immensity of the sea."
That's really cool. Is there a tldr of the AI strategies used ? Are some of the bots using neural network?
I.. would probably have done that before concluding I didn't have any need for it. Even just do a quick one-off mcelog run to see what events have happened recently - you don't have to do some big statistical analysis.

I'd estimate about half the machines I've used with ECC have had at least one correction a year, maybe a quarter had one every few months. I've seen one-off weird bursts that never happen again, and I've had quite a few cases where ongoing corrections have indicated a DIMM needed reseating. An actual blatantly faulty DIMM's been quite rare.
Hi there. I'm Jonathan - co-founder of CB Insights and co-author of this post.

A lot has changed in our stack since we originally published this, but happy to answer any questions.

Also, we recently raised $10M and are hiring like mad: https://www.cbinsights.com/jobs
If the cabin is hinged, allowing for lateral movements caused by centrifugal forces, it could go pretty fast through relatively short radius curves.
The winner is very interesting, while the runner up uses the simplest possible strategy every single game. The runner up had a favourable record against the winner too, but lower win percentage overall. Thank goodness the more interesting one could win.

Basically, 4 pool beats all but one of the bots in the game over 50% of the time (often above 80-90%).
Sounds better than "wheeled things"
Don't look at the story, look at the website.

If the publication is an honest one (The Guardian, New York Times, ZDNet, whatever) then the story is not sponsored, and if it is, it will say so. And with an honest publication, the sponsorship only buys you the space, it does not buy you the journalist's opinion or a favorable review.

Note: it doesn't matter if you agree with the journalist's opinion or not. Different people have different needs, experiences, and views, even on the same paper. Even if you think a review is deluded, that doesn't mean the journalist is a shill. (And maybe you're the one who is deluded....)

If the publication or website isn't honest, then it really doesn't matter whether the story is sponsored or not. Caveat emptor. You can decide for yourself whether or not the story is useful for you.
Awesome interview questions
Agreed on the Roberts guy being full of shit. But there is this passage in the wired piece:

"A connection between the avionics system and the IFE does exist. But there’s a caveat.

Soucie and Lemme say the connection allows for one-way data communication only. The systems are connected through an ARINC 429 data bus that feeds information from the avionics to the IFE about the plane’s latitude, longitude and speed. The IFE uses this to populate the animated map passenger’s can use to track the plane’s movement.

“On every airplane it’s done a little differently and is done in a proprietary way,” Lemme says. But in each case, the ARINC 429 is an output-only hub that allows data to flow out from the avionics system but not back to it, he says. To talk back would require a second input bus. “I can’t think of why there would ever be an interface like this. If it’s out there, I haven’t heard of it.”

This would seem to be what Boeing was describing in its statement when it said that although inflight systems “receive position data and have communication links” to other systems on the plane, they are “isolated” from systems that perform critical functions."

So there is a link.

An airgap simply means this: the two systems are not connected. Not in any way, no physical connection exists between the two and any output from the one goes through an optical bridge into the other.

The only way air-gapped systems are possibly connected is via power rails but presumably those do not carry data nor do they have the possibility to do so.

https://en.wikipedia.org/wiki/ARINC_429

Suggests it is an electrical bus, not optically insulated.
Does Perl 6 have fundamental features that don't exist in other languages ? Just curious.
Do you know what software you’re running?
Isn't this lengthy thesis about saying that doing a map reduce on consecutive data that have are hot and localized in memory is all the better that we use commutative/distributive operations. Well it was trivial.

Well, I would have prefered a first year student demonstrating the trivia that operation like sorting multidimensional vector will kick by the nature less optimization possible in CPU and GPU and that non linear operation requires reading the whole sample to have a non random quantifiable error.

Hence, map reduce performance is better for combination of distributive linear operation (like ARMA, and I still wonder about hilbertian geometry) and horrible for non linear mapped functions (median filter, nth percentile, sort, top X).
Why not use this for long distance? Wouldn't it result in cheaper "railway" construction?
To be fair the GIL is only an issue if you are doing CPU bound thread-based parallelism in Python. There are way to do real parallelism in Python, for example via several processes.
I am aware what I received (and it's not what you described). I was asking how I could receive a signal with the entire planet blocking the way.
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The arm1 was designed on paper by people at Acorn whod never made a chip before I believe? Turned out pretty good.
They generally are separated, however the 787-8 is apparently an exception, having been granted "special conditions" by the FAA in 2008. [1] The A350 has a similar design and I imagine they've also have similar special conditions, although I haven't done more than a cursory search.

[1] http://cryptome.info/faa010208.htm