skysight-inc/HackerNews huggingface dataset:
Ask HN: Resource recommendations for “Everything about concurrency” presentation
Hi. I want to make a presentation series (3x90m) in a local meetup group in Istanbul. The organizers record the presentations and publish on youtube. I want to do my best and I am making research in this field nowadays.

The overview:

* The theory of concurrency (basics, terminology, common problems etc )

* The history of concurrency (transition to multi-process, multi-core, multi-instance)

* The concurrency in hardware (multi-core, registers, network bottlenecks etc.)

* The concurrency in OS ( mostly Unix, context switching, priority scheduling etc.)

* The concurrency in an app (Java & Golang, thread, channels, common patterns)

* The concurrency on a cluster ( Load balancing, session replication, caches, IMDGs, global lock, barrier synchronization etc)

Could you give me some recommendations about the topics. Books, presentations, videos, courses... Anything. I have a few months including 20+ free days so I can spend really huge effort for this :)
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European Travel Ventures | Full-time | ONSITE | London, UK | £30k-£50k | https://www.theyachtweek.com/ | React/React Native/Web developers

ETV, the company behind The Yacht Week (https://www.theyachtweek.com/) and The Ski Week (https://www.theskiweek.com/), is looking for some new coders to join its ranks to work on its web & mobile apps.

To be a good fit you'd need to:

- Be passionate about coding

- Have at least 1 year of production level experience

- Be willing to take risks and propose your ideas

- Not afraid to ask questions

- Like to have fun and travel

In particular, we are looking for

* a Full Stack Developer (details: https://angel.co/european-travel-venture-the-yacht-week/jobs...)

* a React Native Developer (details: https://angel.co/european-travel-venture-the-yacht-week/jobs...)

We can't sponsor visa. If you are interested, sent me an email with your CV at lorenzo (dot) s (at) europeantravelventures (dot) com (and please tell me in the subject which role you are interested in)
I think this is just too many people. No matter how you spin this it’s just too many. Do Google or Microsoft have half as many working on their browsers? I’d be very surprised if they do. It should also be interesting to look back and find out how many people Netscape employed at its peak. I would love to know the distribution of those 1.2k people ( engineers, marketing, whatever ). Of course, it’s likely that I am too naive or clueless.
Software is imperfect, and therefore vulnerable, and it's also pervasive. Data for all our providers will probably be compromised. It's not if, but when. We need to make plain facts, like name, address, birthday and, ssn, less valuable.
It always seems to me with modern art that the blurbs about the artwork or the artist are more interesting than the artwork itself, or that the blurbs make the artwork interesting, or even that the blurbs are part of the artwork.
> We need acceptance—not from everyone, but at least from the people we are most trying to help.

If people were worth saving they wouldn't need saving. I need acceptance from myself, to be able to look myself in the eye, and I have that, by now. I made plenty of mistakes in my life, but I don't regret any instance of doing or trying to do the right thing, not to get gratitude or recognition from any external source, but because I consider it the right thing. Looking at just about anyone around me, it seems that much harder than never giving in is having given in, being broken or tamed, and then reclaiming yourself. And even suckier is never reclaiming yourself, now that is suffering. I wouldn't want to swap with any conformist or even just "average person who isn't rocking the boat" I know. They generally seem unhappy, slow, and boring even to themselves. I have my worst times behind me, they have their worst times still to come.

> we've set up our systems of education and accreditation so that such benevolent schizoid folk fall through the cracks, becoming excluded from society before they can ever make any impact.

Can't really confirm that for myself. You know how they say when you get into prison you have to not shirk the inevitable fight, or you're going to be the toy of others for the whole stay? Life is like that, too. I don't care what "random person who happens to be my contemporary" thinks of me, if anything, I would care what people like Sophie Scholl or Hannah Arendt would think of me. But more than that, what are the things you would think or say or do even if the whole world was against it? Because only that is really yours and really you. The rest doesn't hold water and will leave you in the ditch inevitably.
This made me giggle. Some years ago, I decided to price out supplies to make my own beads. The lampworked beads (and other things) were always beautiful. I quickly learned that this was an expensive hobby to keep up with. I'll get back to it one of these days, though :)
If it were a one-off issue, this would be excusable. However, this is not the first, nor yet the tenth, major issue to occur on Apple devices in recent months, something that is inexcusable for a company who's reputation is founded on high-quality UX and reliability.
well I wouldn't call kubernetes less complex. and it's still written in go. I think stuff like that is where go shines.
I fail to see how north of 80k$/mo is a reasonable salary. Maybe things are more costly in America, with private insurance and whatnot, but where I live (Italy) few people earn more than €10k/mo after taxes.
This was during a Bsc in mathematics. Like I said we later got the theoretical grounding.

Starting with measure theory would be what leaves people feeling that mathematics is useless formal bickering.
I don’t think there’s a simple answer to that question. I feel like two layers of inderiction is too little personally (i.e I don’t want to make things murderers use even though I’m technically not selling stuff to murderers or pull the trigger myself) but other people have other answers.

But I, and the law, is of the opinion that organizations are responsible entities by themselves. When you join an organization and knowingly help facilitate its illegal activities it’s 0 indirections.
The solution is to avoid organizations doing this shit by acting like any rational actor is expected to do in the economy; researching the alternatives. If you don’t like what you find, I could point you to the nearest office to apply for a business permit.
How does a nuclear plant produce renewable energy?
Google for "frogs in a pond story"
Wouldn't introduction of Servo make it five? Gecko is not going away yet, IIRC it's used in some browsers, like Pale Moon. https://www.palemoon.org/
You can delay it a little by going to Settings > General > Storage & Cloud usage > Manage storage and delete the downloaded update. It buys me about a week until it downloads again and starts spamming me to upgrade.
Would it be possible to use WebKit for JavaScript execution, but still do rendering in a different engine?
How can it be subverted?
A derivative is basically how a small addition to the input value changes the output value; this change in output value is also studied in terms of being something “additional” (though it could also be a subtraction).

In L-calculus this approach is altered: how does multiplying the input value by a tiny value greater than one change the amount by which the output value gets multiplied?

Here’s the relevant Wikipedia page to get you started down the rabbit-hole: https://en.wikipedia.org/wiki/Multiplicative_calculus?wprov=...
I just assumed they mean clean energy.
Yes. If taxpayers are funding the mall space, they are entitled to assemble there. Any violation of that is a First Amendment case.

It's why government doesn't set up in malls, the malls won't let them. But a mall isn't the best analogy for Twitter because a Twtitterfight doesn't interfere with the rest of Twitter at all.

The better analogy is a (soundproofed) hotel where your key granted you access to every room but the owner of the room can choose to deny you access. If the government (ie taxpayers) owns the room, they can't deny you access when conducting official business.
A conscious/mental pattern.
I mean free as in if I chop my arm off, no worries, no bills, I get fixed up. I mean free as in my wife is pregnant, no worries, no bills, my baby is delivered in a hospital. I mean free as in my kids gets cancer, no worries, no bills, they get chemo or whatever they need. I mean never going into debt because I need my life saved. I mean never not going to the doctor because it'll ruin me. I mean everyone pays consumption tax here, nobody gets a free ride, and everyone gets looked after. I mean not looking down on another country because they're not perfect when your country isn't either.
[video] Pizza Night at the ISS
Cheap HoloLens Alternatives (Holokit and Aryzon)
Researchers find theoretical model explaining thermal  phenomena
according to the depth chart on GDAX, you could sell 10M$ in BTC and the price would dip by.... les than 300$ to 10850$.

100M$ in BTC would send the price in the 7000s
I like this idea but let's take it to the limit. Very young children (<2 say) aren't reasoning or reasonable creatures in the usual way we might expect of adults.

They are very scientific (aka will try all the things and are surprisingly astute and pragmatic about learning what works) but they do not have a broader perspective on the world.

"Rules" like "time to go to sleep" and "I'll stop you running onto the road" are not negotiable in any meaningful sense. Other rules for older children can often be viewed as extensions of this.

Mistakes are not free. Some rules are OK.
dillo for static documentation is neat, you can have twenty tabs and still using only 32MB total.
Wouldn't you agree that probably 90% of the current price is driven by FOMO and people putting money in bitcoin because "it's rising" or "my friend doubled his money while sitting on the toilet, so ill buy some of it" ?

There are other currencies with vastly superior usage properties (for example ethereum), for which I could understand an investment based on the fact they might actually be adopted as infrastructure
Have you guys considered switching to swagger-ui (https://github.com/swagger-api/swagger-ui)?

This is not to say Google API explorer is bad or swagger-ui is better.

Disclosure: I'm top contributor to Swagger Codegen but not Swagger UI.
Enemy combatant "held without charges" sounds a lot like any vanilla prisoner of war.

So they took in some POWs, one says "no, wait, I'm really one of you, just kidding about the shooting and stuff" and the military needs some time to figure out whether normal rules of war apply in this case. Hard to get too worked up over this, if you ask me.
Sure, let's get a really simple one.

You have N groups of something (persons, sales units, cars, tools, whatever). Find the values that are present in all of them. This problem comes up, all the time, in some form.

With sets it's trivial. Take the first set, and calculate a cascading intersection with every other set. At the end you're left with only the values that appeared in every one. In very clear python the code might look like this:

common = ALL_SETS[0]
for _set in ALL_SETS[1:]:
common = common.intersection(_set)
return common

Now, you can argue that underneath the hood that's still going to do N expensive iterations and you'd be right. This is where proper optimisations come in - when provided by a robust stdlib, we expect the set operations to be implemented with bitmaps.[0, 1] These are not something you'd see in a casual implementation.

Btw, in the above code example I have deliberately omitted a trivial optimisation. Let's leave that as an exercise for the reader. :)

0: http://roaringbitmap.org/about/

1: https://en.wikipedia.org/wiki/Bit_array
I didn't know people were allowed to exploit the moon ..
The screw mechanism they describe is quite a bit different than an injection molding screw. The screw in an injection molder is like an auger, designed to push plastic pellets. A hobbed bolt is not an option because it can't pick up the pellets. Here they are grabbing the filament from the outside with threads, kind of like rifling.

Reading the paper, it seems like they managed to double the force compared to a traditional pinchwheel. However, there are now extruders that used geared pinchwheels on both sides of the filament, doubling the force without requiring threading the filament.
"The right to erasure" is not an absolute right for anyone to get all their data deleted. If the data owner (read: the registrars) still have a legal right to collect and maintain the data public and it has not been revoked one could argue that they (security trails) don't have to remove the data.

It's my understanding that the registrars are the ones with the burden here. They need to inform everyone of the data erasure and/or data updates on private information.
Fun times when you have public information for anyone to gather on the internet. It could be that there are exemptions for these kind of services, I do not know, but would the exemption not also include the services that aggregate/collect historic information as well?

Disclaimer; I am not a lawyer. I am not well versed in GDPR.
Anyone finding this interesting should go read up on GDPR.
I just assumed that they mean carbon-poor electricity.
Clever for sure. But I wonder how they can identify the leaked account even if they actively scan web / deep web. I mean it's not because Carlos Sanchez is for sale somewhere that it's my "insider".
But how can your attitude be the same if the work you're tasked to produce determines your attitude?

Chicken, meet egg. People usually want agency and most would accept responsibility. When you get ordered around and your input is ignored or objectives abruptly changed, the result is loss of morale. Even techniques to deal with it can and will be perverted.
"It should be noted that no ethically-trained software engineer would ever consent to write a `DestroyBaghdad` procedure. Basic professional ethics would instead require him to write a
`DestroyCity' procedure, to which `Baghdad' could be given as a parameter."

– Nathaniel S. Borenstein
How do Firefox and Chrome compare in respect of security?
AlphaSmart
As has been pointed out numerous times here, Apple is complying with the law.
The difference between static web documents and web apps isn't the set of HTML they use, it's just that the latter are designed to deeply integrate javascript (and/or, to futureproof this comment, WebAssembly) into their UI, rather than do all of the logic on the server between requests.

The only way to ship a browser that doesn't render "web apps" would be to simply not support scripting of any kind. That would permanently break much of the web unless you offered a way to opt in to scripting the way current browser users who run script blockers can. But then you just have a regular browser with script blocking turned on by default.

Having different engines for "static" and "web app" documents, and defining a proprietary standard for the former as a restrictive subset of HTML would be unnecessarily complex and hostile to web developers.
Sometimes it is hubris, such as where management prevents experimentation.
Unlike developers who tend to be experts in the domain, managers tend to be experts at sales and management but not the domain of the product.

Yet they get to value market ideas and their impact.
Moreover, they love to hide this behind anonymous "units" and "divisions" to redirect blame and responsibility.

In the past, such problems were solved by analysts and focus tests using prototypes. But when you work on the cheap, even finished applications are prototypes.
I really don't know what it is going to take to shift people from thinking "oh no, my private data leaked" to "I really don't have any private data." Honestly, look at the stuff that was leaked:

- Names: this is public information

- Addresses: this is public information

- Bank Account Details: this is on every check you've ever written

- SSN: this is on so many applications for things and compromised so many times it can't be realistically called private

- Account Login Details: not to be pedantic but this is a shared secret and should be treated as such

I know there have been some rumblings about actually trying to change the financial identification system in the US but really this needs to be the focus. We've been pretending that we have any sort of "secure" identification system for too long and now it's finally catching up to us. Solutions exist for a majority of these problems:

- For stolen credit card numbers: Force the issuers to add one-time CC number generation and have that one-time number locked to a merchant. Discover had this years ago and got rid of it; I'm sure others had it as well. This effectively solves the online merchant problem. Things like Visa Checkout and Masterpass also can help here by eliminating the need to give merchants your actual number (as can Android Pay, Apple Pay, Samsung Pay, PayPal, etc)

- For stolen credit cards: Actually change over to chip and pin

- For online financial identification: Issue smart+national ID cards like Estonia that can provide digital authentication. Is it perfect? No. If people don't like the concept of a smart+national ID card, put the risk of doing anything online on them. https://www.login.gov/ is a baby step in this direction.
> so Thank You Lord Jesus for judge Alsup

Isn't the system fucked if it needs a divine intervention/a hero to function properly?
Firefox Focus is my go to browser on Android for 'just looking things up'. It's perfect for Wikipedia and IMDB (when someone points at the film you are watching and asks who the actor is). I only use another browser if I want up keep the page. No cookies, no bookmarks, no trackers
And pay more taxes while the rich get giant cuts
Assuming mass scales linearly with volume, the cube root of 6 is 1.817ish

So moonisaurs would be roughly 82% larger if you just scaled them up until they weighed the same as they did on Earth.

It's a really sloppy estimate, but think more on the scale of twice their size on Earth than six times their size.
The decommoditization of protocols (1998)
+1 on search term! And if you enter a domain that doesn't exist, it throws you back to the homepage with no way to fix it :(

Another feature request: When entering an IP, there's very little information available on it (only the hosting provider). Would be nice to get latlong, country etc (a la https://www.iplocation.net/).

Because seriously, that is an insanely cool database. I can even find all the sites that share my domain's Cloudflare IPs.
Tannenbaum's 'Operating Systems: Design and Implementation' has a fantastic set of chapters on deadlocking, the producer/consumer problem and Contect Switching/Scheduling.
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Im a successful miner just because i believed in XDrive solutions for the best miners, my profit is close to $100000 monthly. Invest in cryptocurrency today and get your miners from xdrive125@gmail.com. Send an email for purchase.
Normalization of deviance in software: how broken practices become standard
Pouring your life into your career cripples ones offspring via epigenetics- there is a story, that should meet violent resistance on HN.
So if a person makes millions of dollars a day they get paid millions from taxes but if an unemployed person does the same job they get paid nothing? I'm not sure that's an improvement.
Not only American, but not common either. The best analogy to American business schools will be party (communist party) schools in Soviet Union and China.

I can't pick words to express just how similar are these two systems.

And in all of those countries, you have huge masses of clueless parents seeing these institutes as something that magically, effortlessly make their children "big men" of higher socioeconomic standing overnight once they graduate.

As for me, my own experience was that it takes a lot to convince parents that Western "big name business school" is a gigantic waste of money if you go there for actual skills and knowledge. And the argument "you go to business school to make connection with kids of other rich people" does not hold water either. All of such students are well connected people to begin with, and are very class conscious themselves. If they see no use of socialising with you, what will make them want doing so?

I wrote another post below explaining how it was for me.
Travails of School Education in India
The Qt makers seem on the same page. Qt has support for SCXML [1][2], which is an XML format to represent statecharts FSM. You can edit SCXML files from Qt Creator [3], load them in your app and use them to drive your Qt GUI, or any dynamic behavior in your app.

[1] https://en.wikipedia.org/wiki/SCXML
[2] https://doc.qt.io/qt-5/qtscxml-overview.html
[3] https://doc.qt.io/qtcreator/creator-scxml.html
Do you participate in every tax minimisation scheme you are presented with?

A few years ago a guy came to me with a scheme to reduce my tax. It took him a two-page diagram to show me how it worked. The gist of it was that participants could "work" for a few hours a week on a music project. The work consisted of providing feedback on the music of P Diddy (Puffy/Daddy/etc). Now just to provide some background, I don't know anything about music. I can't play an instrument. I don't have Diddy's cultural background. I don't listen to his music. I'm a financial coder who lives on a different continent.

Apparently as long as we could document that we'd done this work, it there would be a way to deduct some sort of loss.

I didn't take part.

There will always be legal ways to do things that are wrong, because just like the corner cases in code, there are corner cases in tax code. You can exploit them to make an exception, but you know what the point of the code is.
Ask HN: Non-Technical Startups and the future
Hi,
do you think that in the future there will still be chances for Non-High-Tec companies/ startups?
I have the feeling that the barrier for starting a company is getting higher and higher and in some years, only companies with knowledge in advanced technologies (AI, VR, ...) will have the chances to succeed.

Am I wrong?
To he fair, aren't we all insignificant in the grand scale of things?
On a long enough time scale, solar power isn't renewable either.
You're right actually, but I still think they could add some indications about the support time of a service. Like some guarantee that the service will be around for at least 3/5 years.
Not necessarily in this API explorer, but for all their products.
Yes, but you implied they couldn't strive for independence while doing so.

Furthermore, it's good to note that they have actually diversified: https://blog.mozilla.org/press/2014/11/new-search-strategy-f...
This isn't about dubious tactic at all, if the government thinks its dubious it could simply direct NSF/NIH to disallow amount from being used to pay tuition and lower overhead allowed. You don't even need any legislation for that.

In fact PhD's are merely a collateral damage in ending tution tax exemption which affects all students (and represents a much larger chunk when you account for number of undergrads). It's just that in other cases "per-student" effects are much lower, since either the student has no income or the lack of exemption mere dissuades parents from filling jointly.
Well yes. If one woman posts on HN then your theory is false.

To answer your question yes there are women who post here, but they are in the minority.
Is Lisa Holst responsible for the myth that everyone eats 8 spiders a year?
Just to be snark, this comment written in w3m/0.5.3.