skysight-inc/HackerNews huggingface dataset:
The advantage a stealth fighter such as the F-22 or F-35 has against non-stealthy fighters such as the J-10 and JF-17 really is difficult to overstate with k/d ratios in exercises being roughly 15:1[1]. Being extremely difficult to detect while also being outfitted with very high end sensors makes it almost certain that F-22s and F-35s are able to engage enemies on their own terms. A better comparison would be with China's new stealthy J-20s but we really don't have any concrete information about how good their stealth really is so it's hard to even speculate.

[1]https://breakingdefense.com/2019/03/red-flag-2019-first-grea...
Is this legal?

A text is a copyrighted work. Users that post reviews on a site license their text to that site. That does not mean anybody can just copy the text and republish it.
I remember a magician talking about a particular routine where he did everything, but when the spectators later retold it, they felt like they did it (eg: "I took a card and then..." when in reality the magician gave them the card, something like that anyway). I started reading the book "Sleights of Mind"[1] a while back, I need to go back and finish it. It talks about this subject in depth.

I performed a simple trick for a friend once and then, maybe an hour later, another friend arrived so I performed it for him too. The trick involved swapping something out and doing some very basic sleights to hide the fact that it was swapped. My first friend was watching, knowing the outcome, trying to figure out at what point I swapped, but he didn't spot it. He later asked me "did you swap it before or after X", which I found interesting, because all of the work was done long before X. I love the tricks where the trickery gets done early on and then its just theatrics before the reveal. It really makes it hard for spectators to piece together the events. :)

[1] "Sleights of Mind: What the neuroscience of magic reveals about our brains" -- http://www.sleightsofmind.com/
The F-14 was retired a long time ago and the other two are aging out right now.
This is outright bullshit, one of the most useful features of Android vs iOS is that you have a proper filesystem that all applications you trust have access to.

I hope this isn't forced on everything and there is a flag somewhere in the settings that i can use to indicate which applications i trust that can have access to everything like before.
Sorry, it was a bit opaque but there's a famous quote by Hall Hibbard about Johnson I was referencing

"That damned Swede can actually see air."
Would anyone recommend Clojure if you run an engineering org and get to make decisions about languages?

I've been running node shops for the last several years, and love Clojure since having hosted a couple meetups a while back.

That and being most influenced by lispy/ai culture from SICP, CTM, PAIP, AIMA books. Node is getting tiresome due to not being able to trust the ecosystem quality (which takes away some of the common justification of huge ecosystem).

Not worried about hiring since not open to fresh grads from universities or bootcamps without lots of training anyway (which can include a new lang). Are there crappy/charlatan Clojure devs out there or is it more of an elite/experienced culture?

With stuff like Fulcro, could we replace our basic REST APIs and business logic without having to re-invent too much?
> Why did I end up appending "* . *" (spaces inserted to avoid triggering HN's italic formatting) patterns to the directory name

Because sometimes you just want get all the XML files in a directory, and it's nice to not have to filter yourself.

> why do I need to find the first file with FindFirstFile() and all the remaining files with FindNextFile()?

Why do you consider this a poor API and what would you consider a better API?
planes don't dogfight, they lock-in targeting from miles away and fire missiles
Old time docs would sometimes sniff their patients (in private places) to get clues for a diagnosis.
That's what I was trying to say. The sense of smells really affects you in subtle ways. A positive smell can calm you and a negative one bring anxiety. I wonders if some people are able to intuitively "feel" diseases that way.
Super interesting.

I also just want to note to people that seizures aren't always the kind that they're portrayed, with the person falling to the ground and shaking.

Couple years ago I had these events start which turned out to be partial temporal lobe seizures. I would get a big flash of deja vu, my right arm would tingle starting at the shoulder and creep down to my fingers for about a second, and then I'd get hit with a tiny thump in my head where for the next few minutes I couldn't comprehend. I could still think, and I was able to tell people I was talking to to hold on, and give me a little time before we could start talking again. I had one while reading for example and the words got completely meshed together, where the characters were combined in different orders and didn't look understandable at all. I was wondering why the hell I couldn't read, and eventually the words started coming back together.

The reason I'm saying this is that it took more a while to realize these are considered seizures. I didn't know what was going on and didn't think it was anything much until they started coming one a day and that thump getting a little bigger each time.

This kind of seizure was listed in the paper as one of the test subjects. Someone I know was the one to tell me that those events might be a seizure, and I don't know how much longer it'd have been for me to come to that realization on my own. So maybe me saying this can help someone else. That, or get a dog that can smell seizures like in the paper!
I wonder to what degree the decrease in smoking rates is caused by education and health awareness and to what degree the decrease in smoking rates is caused by making it inconvenient and socially discouraged to be a smoker.
Funny - looks like everyone is moving towards the same model (i.e. marketplace and ecosystem) which is a logical step! Wonder what would happen if there are too many marketplaces.

Effectively, I won't be recommending treatments but rather I'll be hosting ML models from other researchers that might - I wonder if I can write a legal clause that clears me from FDA approval.

It seems like IBM has a way of saying 'not FDA-cleared for diagnostic use': http://www.merge.com/Solutions/Cardiology/Merge-Cardio.aspx
When teaching my kids to cross the road, I tell them to look for oncoming cars and to make sure the driver can see them (by checking where they're looking) instead of trying to judge if there's sufficient space to cross safely.
Researchers discover the source of new neurons in brain hippocampus
Presumably the same people who worry about their registrars scalping them should also worry about the vast amounts of people with passivedns access scalping them.

You can make these queries via a trusted registrar, and the domains you query won’t be broadcast to the world in cleartext.
Everything you need to know ahead of the latest Brexit vote
And while you are enjoying a buffet of extinction level mass homicide, I always recommend a stop at Rooster Cogburn’s Ostrich Ranch between Tucson and Phoenix. Check the internet, they aren’t open every day. But you can spend an hour feeding tiny livestock, giant nightmare birds, and end up covered in lorikeets. (Hint: the fallow deer have gross saliva. Feed them before the Sicilian donkeys. The donkeys will clean you up.)
> Does "rendering" really mean template parsing?

It's kind of a misnomer; it usually means generating a "renderable" thing (e.g. HTML) , not actually rendering it on the screen because yes the browser does that.
In case, you need recommendation from previous discussions. Here are the list:

* https://news.ycombinator.com/item?id=13369197 (Jan 10, 2017 - 135 comments)

* https://news.ycombinator.com/item?id=14721746 (July 7, 2017 - 42 comments)

* https://news.ycombinator.com/item?id=15250044 (Sept 24, 2017 - 48 comments)
Yes, though it should be noted that the reason it's faster is fewer command invocations and ignoring usually unwanted files (like .git/ and files listed in .gitignore).

grep has a -R option which allows you to avoid the first problem, but avoiding the second one is a bit more difficult.

Also there is ripgrep which I've heard is effectively a faster version of ag written in Rust.
Internet bench racing of aircraft always focuses on "dogfighting". Dogfighting has no purpose in in winning the war. Striking the enemy ground targets without engaging in dogfights is successful. Do that and pretty soon there won't be any enemy fighters in the air to worry about.

Modern combat is not at all the same thing as WWI/WWII "turn and burn" stuff or what gets depicted in Star Wars.

"Turn and Burn" was already out of favor with US pilots in WWII.

If the F-35 enters into a turn-and-burn in a 3-1 situation the pilot has already failed.. if he gets out of the situation alive he's getting chewed out.

They have all kinds of training & procedures around different scenarios and those don't involve flying straight at the enemy and then getting into a turning match.

We haven't seen the deployment of a drone which can threaten manned aircraft yet. That's going to be fascinating to watch.

I'd envision "kamikaze" drones being the most feasible thing to be effective first. Basically much smarter missiles. A vision of a swarm of something that looks like a DJI phantom threatening fixed wing aircraft is pretty much fantasy right now though. Too slow, not enough weight capacity, range & loitering time & service ceiling too low, etc.. the only way I seem them being useful is 1000 of them in a dense cloud around a target.. like stationary mines in the sky hoping to be struck by attackers like a bird strike.
The sense of smell is a sense for the identity of (typically small) chemical compounds.

So there absolutely are machines that can "smell" things. E.g., mass spectrometers, or in a broader sense any technique that can detect specific molecules.
My feeling is that AI would be able to do this much better and more consistently than humans in a relatively short amount of training time.

Provided that for instance all Teslas can learn from all other Teslas' experience.
I guarantee the security patch didn't claim to permanently fix the class of bug which is what I was getting at. Unless Cisco has been signing contract agreements claiming their security patches will do <x> where <x> was something that wasn't done here then you're essentially asking if they'll be sued into the ground because you don't think their patch was good enough.
Docker did acquire Unikernel Systems, but MirageOS is alive and well.
Computing Exact Uncertainties–Physical Constants in the Current and the New Si
What it was like doing mushrooms with Grateful Dead’s Bob Weir
Words inspire action. That's why it matters. To paraphrase the Supreme Court, the problem with shouting fire in a crowded theater isn't the shout, it's the dangerous stampede that follows.

And those who deliberately inspire violent behavior with their speech are very, very careful to make sure it's not an explicit call to action. This is not new. "Will no one rid me of this meddlesome priest?" has been around for a long time.
I think you have nailed the core issue. We've normalized awful behavior on an awful platform and have justified an awful way of monetization.

I'm not a smartphone power user (RSS, email, light internet), so I was really hoping FirefoxOS or the Ubuntu phone would generate some traction.
My main interest is in Bluetooth 5. Walking around NYC, in even semi-congested areas of Manhattan, my audio cuts out with my phone in my front pants pocket. I literally have to hold it in my hand or coat pocket in order to cut through the interference. Has anyone experienced improvement when upgrading in this regard?
The Weird World of Vegan YouTube Stars
- Shiv combat: slice or stab ?

- Turn that gloomy 'death' row into a peppy 'fresh' row

- How to tell he's into you

- World's most daring escapes

- Will it fit? The complete guide to stuffing contraband up your butt
Save your time and skip this article if you want any tangible takeaways;
if you want to know what the company actually DID or how it MADE MONEY, spoiler alert: this article neither mentions or links to anything of the sort.

Without this basic intro description, there’s little to no value in this article to prospective readers- companies aren’t created equal and lessons learned in one industry don’t necessarily translate to others (this is not always true, but without context, I still stand by the lack of utility here).
I'm 100% certain that didn't happen, and /r/askhistorians seems to agree[0]. Humans just don't work that way.

[0]https://old.reddit.com/r/AskHistorians/comments/3lh0kz/is_it...
I typically block javascript on that site, as it forbids browsing in private mode. I am not against ads, but I dislike trackers.
Yes, I see these specs all the time but I never see them materialize in the real world. Agree about the cache but that's also an easy way to fool yourself when you are measuring performance.
Went to Disneyland in February with my wife.

The size of these strollers is incredibly out of hand, to the point there are now these wagon-like things parents take around that are 2x4+ feet for one kid. They were absurd, and the whole "stroller parking" phenomenon at disney is a great example of how out of hand it is.

It's silly that somehow I think removing smoking sections is more frustrating, considering smoking actively harms the public's health - but that's probably showing my own bias as a former regular smoker.
Looks ridiculous ... but I get it. The first computers look fairly ridiculous now.
Plus they used to say it takes cca 1 million $ to train a fighter pilot from scratch properly, and god knows how long. this was quite some time ago, so I expect both cost and duration of training must be higher/longer now
Are the other ways good? If I create a file in app A, choose 'send to' app B to tweak it, open this file and a bunch of others in a batch processing app C using the file selector, in the end where is my file? Where's the most recent version, and can I go back to it in app A? How many redundant obsolete copies are still on my device in different apps?
> MCAS commands nose-down trim. The pilot uses the trim button on the yoke to command nose-up trim. Why isn't that enough to disable MCAS and cause an audible alert?

It does. It's just that MCAS tries again in 5 seconds. That's why the experienced pilots in both the Lion Air and Ethiopian crashes kept the MCAS in check - trimming to neutral column force is second nature to them - and it only crashed when the first officers took over, who allowed it to get to full nose down trim.

A constantly incorrectly trimming system is supposed to trigger the runaway stabilizer trim checklist, so Boeing thought a failure in this system was covered by existing training. Unfortunately, a periodic every-5-seconds trim wasn't recognized as such. I'm not a 737 pilot, so I don't know what runaway stab trim normally looks like; maybe it's usually constant?
I've personally watched experienced, mature, and very senior developers build sophisticated systems with Clojure, Ring, and http-kit. And blink at me owlishly when I ask them how they sanitize their inputs to guard against SQL injection. They'd been intensely focused on the core logic, architecture, system design, and business functions. Everything else received cursury consideration.

My takeaway from that is that it's unreasonable to expect even the best of developers to remember every detail every time. Even the best forget or make mistakes. If our tools don't take this into account and protect us from ourselves, we're going to get burned.
This is a not free, open, or capable in any sense, and should be avoided.

Read the licenses carefully before spending any time on this; it looks like a trap.
Which jet would you rather go into combat in? Adding more less capable jets would ultimately result in more casualties of fighter pilots.
Even here, on an American-centric discussion full of grossly privileged white American men, you'll find most agree on some regulation of speech. It's just a question of degree.
Fletcher Henderson: Sugarfoot Stomp
Tracking Readers’ Eye Movements Can Help Computers Learn
Ocean Cleanup System 001 Learnings – Root Causes Summarized
I was also turned off by that and stopped reading after awhile.
That is part of the problem with this API its a pretty confusing choice. It technically means you give access to the entire SD card if you have it set to external card mode.

However, there is a setting to use SDCards as a partition extension and it appears as extra 'internal' storage space.

You could never access other app's internal files with this api. IMO this is a good change. This pattern only made sense when smart phones were simply nice camera phones with email.
The word you're looking for is "missiles".

The idea of dogfighting drones makes very little sense. If you build a lot of expendable tiny planes with a high thrust to weight ratio and high-G maneuvering, there's no point having those then try to shoot some secondary projectiles at the target. It's far simplier to just fly them into it or detonate them close enough to cause fatal damage.
> That's not necessarily a bad thing though.

I did not say it ironically! Tektronix is super-cool! It could be could be realistically rendered as sgv, and easily extended to add colors and stuff.
> it won't be long before nations like Russia and China will be able to reliably get a weapons-grade lock on the F-35

They probably can do that even now, the question is about distance of such lock. If F-35 has a high lock distance advantage especially with AWACS in the back - it will have much higher probability to win the fight.
Yes. But does an F-35 have 20-30 missiles? If not, then it's incapable of dealing with a swarm of 20-30 different adversaries. There's then the option to close and attempt to take out more with the built in 25mm guns, or retreat.

If attacking, it could definitely circumvent older planes (but newer drones, maybe not so much). If defending against an attacking force, it doesn't seem all that effective.
It is not just that, it is also that there are not
reproducible methods for helping people with chronic pain.

The lady who wrote the article had a lot of resentment
about the suggestion that her problems were at least partially
psychological and insisted that they were completely physical.

You will hear that from every fibro, and it is real that
there is something not right about their body, but also
there is something not right in their head, they are
clearly depressed, have given up on life, etc. Chronic
pain is always both physical and mental.

For me chronic pain has been associated with trouble at work. I had a time when I was unemployed and in agony and I got a job and felt better right away. When I have been in
places where the story doesn't make sense, I feel it in
my back and shoulders.

So far as consumer panels, unfortunately health care practitioners would get voted up for being easy to prescribe controlled substances, not making patients confront people whose race they don't like, etc...
Not meaning to voice disagreement or anything, but do you have an example of a decent file browser?
You're welcome.

> Are you related to this?

I'm not. You may be able to contact Amélie Catala, the first listed researcher, by way of the link supplied in the abstract.
The F-35 isn't a dogfighter in the WW2 mold of the P-51 Mustang, etc.

The F-35 was conceived of for a different kind of fight, more like a contest of swarms than a series of related but independent jousts. The F-35 is formidable because it works better in a pack than anything else out there. For example, it can fly out ahead of a mass of 4th generation fighters into an environment they couldn't survive and remain there, low-observable, long enough to feed targeting data back to the swarm who can launch a salvo of missiles from over the horizon, out of harm's way. As the article explains, stealth isn't about remaining 100% invisible, which is impossible, rather it's about preventing anyone from shooting while you get the first shot off instead.

Whether or not the F-35 lives up to this hope is another thing, but it was never conceived of as primarily a dominant dogfighter so it's fun but maybe not hugely relevant to stack it up against planes that were designed to win that fight. The F-35 seeks to win it before it even starts, instead. It remains to be seen if anything was learned from the F-4's introduction and if all of this works against peer states, but this is the idea behind it.
What would you have the OS do?

If you got connections with inbound data, the OS has to store it somewhere. Might as well be in your read buffer right away.

If you ask the OS to read 4k from 10k files simultaneously, why are you surprised that the OS wants the buffer to stay around until the read is completed?
> instead of sending a couple of middle managers to jail

So you want to turn the company over to the same governmental body that lets companies get off by firing a few middle managers? The same body that possibly allowed this lapse in safety to get through regulations in the first place?
And the repairability score is zero.

I am quite concerned about these all ending up in landfills due to battery degradation. Apple claims it can "recycle" them, but that's legitimately hard to believe.

I would not feel morally comfortable owning one of these.
> One of my other truly astonishing skills involves throwing a ball one meter into the air and catching it.

A true miracle of coordinated tracking, movement, and prediction. I'm delighted to see such a seemingly-trivial thing called out as the remarkable feat it is.

If you feel it is quite mundane, consider how much work it would be to automate.
Why not just build an SMS gateway for emergency services with GPS coordinates and call it a day? It seems like the important bit is the gateway, not the 3 word response
The price of readiness is high, too. It is proportional to the number of planes and pilots. That could wash out the price difference in planes.
XDP is completely orthogonal to this work and would not have been a useful performance comparison. "Using AF_XDP" vs. "using a user space driver with IOMMU" is just apples vs. oranges.

The goal we are trying to achieve in this project here is to show that drivers can (and should) be written in better languages to improve security and safety. Note that one of the drivers in the thesis is written in Rust.

And regarding XDP being safer than Rust: Yes of course. But it's also very limiting; you can't write a driver in eBPF. (It currently just prohibits jumps with negative offsets but there's some ongoing work to allow for at least some bounded loops).
We are interesting in making drivers themselves safer, not applications building on top of them.

(As advisor of the thesis I however agree that XDP should have been mentioned; I'm not super happy with the length of the thesis but quite happy with the implementations)
Wouldn't publishing a static webpage with this content be the prime way of delivering the content?.
Show HN: Processing 10000 messages in 2.18 seconds with gRPC and Python
Technologically maybe, politically most countries are still very very far away.
A classic 'let me jerk myself off in front of others'
It's been 24 since HubSpot started experiencing issues, still ongoing
if there was a smell it would be easily detectible by humans using apparatus they have for such things as it would mean something of physical nature was traveling from these individuals into their surroundings...
> The key to making programs fast is to make them do practically nothing. ;-)

Also key to making them small, stable, intuitive, and usable
https://getsimpledata.com ?
To be fair, though, a lot of that is by choice. What advantage is there in moving quickly and taking on all of the associated risks when there's lots to see and do while moving slowly and spending extended periods of time parked at specifically interesting sites?