skysight-inc/HackerNews huggingface dataset:
You are misreading the documentation. There's no such distinction as live node vs. static node in that sense. There's only a distinction between a live node list and a static node list. This is a difference between getElementsByClassName("foo") and querySelectorAll(".foo"), but not between getElementById("foo") and querySelector("#foo").

The difference is whether membership changes in the collection are reflected immediately. Changes to the nodes themselves are reflected as usual either way, and node references do not spookily invalidate or repoint themselves.
Good comment, also: the vaccinated are a fertile ground for mutations that eventually evade the vaccine.

Unless you have a study that backs up the claim that this mutation phenomenon only happens in people not vaccinated for Covid-19, you should probably stop singling them out. The phenomenon occurs in both.
Sucralose isn't aspartame...
As someone dealing with new remote machines on a daily basis, I cannot fantasize about any other shell. Bash is pretty straightforward.
back up!
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Thank you so much for sharing this, its deeply inspiring and feels like really important context / wisdom for someone still at the beginning of their dev career. This is exactly why HN can be such an amazing community (imho). Im more and more thankful for that as well.
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In the worst case

> around 44ms and 206ms

so around 162ms difference per 100,000 elements. This doesn't concern most of us for anything less than 1,000 elements (1.62ms).

I use querySelector more often simply for aesthetics (consistent with other calls and qsAll).
It makes sense that that would be the case. You still have a reference in scope to the element, so the GC leaves it alone. I could see the described behavior as a bug in maybe an older engine, but so far as I can recall I've never run into it in practice.
Not really, he was just referring to Chronic Visible Homeless, your article doesn't break out SUD for that sub group but even at just the Chronic Homeless level (many who aren't on the street) it puts the rate at 2/3 having substance issues.
If Tiananmen Square riots are enough reason for Chinese to overthrow their govt, then the Americans should have overthrown their govt 100 times due to LA riots, People's Park massacre, MOVE bombing, etc etc
It s like in my company, useless morons (it's always them) scold us when we say blacklist. Like dude, black is the color of the night, it's the absence of color, it's the color of when it's cold and scary, ofc it can used to mean "bad list", and pointing out all the time africans happen to be black (because this color also has the property to resist the sun better) is what makes the link. Not me in Hong Kong saying in a random email "I
added the server to the blacklist"...

If some people where red, saying red flag would be a problem I m sure (red being the color of blood, no surprise it means danger).
Because Tables with many rows are SLOW.

I have one with 6K rows, 300ms to insert into page on paper (console.time(1); console.timeEnd(1)), but in reality browser freezes for 3 seconds (1.8s style, 900ms layout, 300ms update tree). Freezing goes away with position: absolute, but it still takes 3 seconds to show up after .appendChild. I tried replacing Table with Flex divs, even worse speed.
no, you can swear on HN, that person is just touchy for whatever reason
I recently found out that "unfinished" structures in Peruvian emerging towns is by design, as you don't start paying property taxes on a building until is "finished" , leaving it on an eternal state of construction, avoids you those taxes..
My personal paradigm is a bit different from the conventional ones. I think that if Canada wants to do air defense/Arctic interceptions, the F-15EX is a great plane, with long legs, very powerful radar, and great weapon load capabilities. Canada could then choose to specialize in a niche role for NATO purposes; close-air support would probably be the best one, given Canada's recent commitments. Canada could then purchase surplus A-10 Warthogs (I mean Thunderbolt IIs of course) and Super Tucanos for that mission.
Two chapters from his book the History of the Countryside.
Cryptanalysis is a pretty robust area of research. There are in fact a lot of cryptanalysts that know CPUs quite deeply. Certain organizations spend a great deal of money to make it so. If vulnerabilities are found we learn from them and advance the understanding of cryptography design. It has been that way for 76 years now, at least.
Hmm, I go backpacking often on six day trips into wilderness, often off trail at 12K. We're beat by 10mi and start slogging past 13mi. And we dialed our gear down to ultralight (15lb packs with canisters). I think you may be projecting your own fitness level onto everyone else. 18 miles over 2 days is perfectly reasonable for me if you're not going to the gym 3-4x a week and training for 10Ks and marathons.
I suspect that the 12KW isn't to a single burner, but rather the total across all burners. A typical home gas range is probably totalling 17kW or so with all burners going. doing some research in the internet, the large burners on induction cook tops do about 3.5kW, with less common 11" burners getting up to 4kW or so. The large burners on a gas stove do about 17500 BTU, which is about 5kW.

I could believe that the power transfers more efficiently on an induction stove as the pot itself heats up. Maybe it's enough to balance out to roughly equivalent to gas, and a 12kW induction range sounds like a nice convenience. I would bet that you aren't boiling your water as fast as you think you are relative to a gas burner though. :-)
Simply say Happy Dashain!
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It's the new cooling technology.

The new MacBooks are fanless.
I have this and the Mitsubishi T0-ST-1T. Both are good. Neither are great. I miss my Breville, it seemed more consistently better than good.
I agree, the euro was premature and rushed through, combined countries with too different economic systems together in one currency. Additionally the euro countries allowed 'advisors' like Goldman Sachs to help the southern countries fiddle the books to get in.

This really hurt Europe during the credit crisis. Because of this we had to 'save' Greece. If they'd not had the euro they'd just gone bankrupt and crawled back up within a couple years. Instead they're going to be paying us back for our 'help' for decades because their fall would have hurt the euro and the whole Eurozone.

I put this in quotes because another major reason we had to 'save' them was actually saving our own West European investment banks and pension funds which had bought cheap Greek bonds and didn't want to take the associated investment risks. But the problem was really combining such different systems in one monetary union which was our fault too.

So really we were saving ourselves :) And now we're dumping the burden of the refugee crisis on them too by not distributing the refugees across Europe as agreed.

I'm from Western Europe but living in a southern one (not Greece). I just think sometimes we give the southern countries too much flak. We just can't blame them for not having comparable economies and our help is more to help ourselves.

In my opinion Europe should have focused more on getting prosperity more equally distributed first, which would have made for a much more stable euro as well. And would have reduced disagreement between member nations.
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Kilometres is the 'native' unit for normal people thinking about driving, flying or shipping in most metric countries (obviously pilots and sailors use different units, like nautical miles, but for regular passengers it's km).

All road signs, the distance indicator on the entertainment system in planes, etc. are always set out like that (e.g. 1617 km to Cairns, or 11,980 km to Dubai).

From my point of view (whole life in a country that is exclusively metric), it would be really strange to see this kind of distance written in millions of metres or megametres. Would feel totally unintuitive.
Good points.

I accidentally replied to yours. I had intended to reply to preseinger.
> If anyone really wants it

Why else would I be in the comments?

I know experiences are what matter. Not things.

But I think this has enough to talk about over the next 10 years to make it an experience being on my shelf. Maybe not but I've wasted more money on a bad round of expensive drinks.

Thank you for the link.
I thought the same thing. I'm from Michigan and so whenever I see a map or globe I compulsively find North America and look for the hand shape. Was very disappointed to see that it is not present here...
Er, why do we think open source chips enhance security, when vendors spend $100mns trying to secure their devices?
>>>But why should we as Westerners actually care?

Because the CCP has built a blue-water Navy, which it continues to expand, with the stated goal of dethroning the US as the global hegemon?

https://www.reuters.com/investigates/special-report/china-ar...
https://www.amazon.com/Unrestricted-Warfare-Chinas-Destroy-A...
https://sg.news.yahoo.com/china-seeks-become-worlds-next-025...

Because the CCP conducts influence operations globally? https://www.bbc.com/news/world-asia-china-49511231 https://uscnpm.org/2021/09/14/prc-overseas-influence-disaggr...
So, given usually life of aircraft is around 10k hours, difference between 5k and 33k is very large: 10000*(33000-5000) = 280M
Could you describe what is involved in installing a ROCm release from scratch? (I've mostly stayed in CUDA-land, but I'm curious and intrigued about the idea of ROCm, and AMD GPUs, though your experience suggests there is much room for improvement...)
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What's really going on here is two different meanings of the word "argument". Appeal to authority is indeed a fallacy if you're dealing with a logical argument meant to prove something absolutely and undeniably true.

That's not the only kind of argument that exists though, and we're pretty unlikely to be in that kind of argument on the internet talking about current events. When trying to tell from incomplete facts what's more likely to be true, listening to what an expert says is a pretty good start.
Curmudgeon rants in markdown format.

Coming from this 40+ yr old, yawn. This is like reading the diary of our worst performing engineer.
microsoft desktop dominance is a myth

microsoft lost the application war, everything is web based nowadays

developpers moved on linux to deploy their web apps / servers

what's left? people moved to smartphones, even for games, smartphone generates more revenue than both console / desktop combined

WASM even more showcase it, the present and future is web based interfaces
I’m surprised by the apparent magnitude of the difference between Firefox and Chrome. On my laptop I’m getting results roughly twice as fast as reported in the article, but still fairly similar ratios all round:

Firefox 96 (Nightly): document.getElementById 2–4ms avg 3ms, document.querySelector 25–27ms avg 27ms.

Chromium 96 (stable): document.getElementById 11–37ms avg 19ms, document.querySelector 86–155ms avg 101ms.

I’m also a touch surprised by the difference between getElementById and querySelector, because I vaguely recall querySelector being optimised in browsers for the ID case some years back so that there was negligible difference.

(P.S. seeing Firefox’s version number continuing to creep up on Chromium’s, soon to overtake, I wish browsers would scrap their version numbering systems and switch to YYYY.MM instead, or even YYMM like Windows if they want just one number. Can’t even claim user-agent sniffing hazards any more since they’re slightly killing those off and reaching three digits is going to cause some trouble anyway.)
Weight and footprint are my concern, but not thickness for me. Slim laptop sacrifices keyboards (for who dislike thinner keyboards), interfaces, and cooling (this is no longer an issue for Apple).
You don’t need to recompile for template updates.
Don’t worry, 10-20 years from now, you’ll know all of the things folks will be proclaiming as dead, and younger folks will tell you they never heard of most of them :-)
Are they? Compared to XPS and Surface Laptops?

Also, Macbooks are in no way lightweight. Nothing Apple makes, including their iPhones, is lightweight.
The top pic appears to show a steel barrier around the mineshaft opening, although it also looks roughly like a multi-level "Chinese gold washing machine."

The latter is a low-cast static set of table(s) that water can wash metal flakes with no moving parts, and is popular for its low cost or use in areas with no mechanicl parts supply. So gravity is used to separate materials, similar to how river bends make alluvial gold deposits. Early ones were made of wood, but steel would also work.

You can see YT videos of a similar design in the defunct Cornwall tin mine.

(In ancient/olden times, the main industrial metal was bronze, alloyed from copper and tin. Tin is very rare since it has an odd atomic number, with the historical mines being in Afghanistan and Cornwall. Before the Iron Age, Cornwall could have been the "El Dorado" of its time. Iron/steel is found everywhere on earth except Japan, so steel democratized industry across Europe and Asia, but Japan had to start WW2 for it.)

(Most gold mining is collecting flakes, not nuggets. 1 gram per ton is usually considered commercially viable, and more makes it dramatically moreso.)
Oh no, decorators based routing :(
Our family’s ancient religious practices also incorporate these rituals.

It’s great giving the children an opportunity every night to share what they are thankful for. My favorite was ‘blankets’ :)
Europe offers tepid set of political ads transparency rules
It occurs to me that, during querySelector execution, components of a selector which match only by ID (or maybe by ID at all) could be maybe linearly or sublinearly resolved by calling the native-code implementation of getElementById. Per at least the MDN docs [1] [2], both return an Element, so nothing downstream will see any difference.

If the entire selector is a single ID matcher, execution time for querySelector probably would not be that much longer than for direct calls to getElementById; depending on implementation there might not even be any more stack frames. (Which would be a pain and might not matter, but there are a few ways you could do it if it did.)

In iOS 14.8 on this iPhone 12 mini with about half a battery, the getElementById test took 20ms, and the querySelector test 47. Of course I don't know what the implementation is actually doing, but those times seem awfully close together compared to those the author quotes.

[1] https://developer.mozilla.org/en-US/docs/Web/API/Document/ge...

[2] https://developer.mozilla.org/en-US/docs/Web/API/Document/qu...
I could agree more with this, word for word. It still hits me almost every time I go to the grocery store somehow.
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I came here to say something similar. ZGC and Shenandoah run the GC in extra threads. I don't see any mention of the number of cores in the article, or in the linked SPECjbb2015 benchmark [1].

It would be interesting to see how much of the improvement is just down to the use of extra "unused" cores, and how much CPU is actually used by the GC. Equivalently, run a CPU-bound task on one core and measure GC and application performance, with an eye on how much the fancy GC slows down the program.

[1] https://www.spec.org/jbb2015/
The responses to this are a fantastic example of Cunningham’s Law at work. Thank you!
Don’t get me started. We put in a new kitchen two years ago, and used Samsung for parts of it.

We were taken for an unbelievable ride. The oven melted it’s handles off and just quit out of the blue one day, so it was replaced after a failed repair, not with a Samsung.

The dishwasher had problems, the replacement (still Samsung but different model) also had problems, and then we finally switched to Bosch.

The microwave is OK, but the repairman who tried and failed to fix the original oven said that because the circuitry was in the door - don’t let kids slam it, be gentle, that fails all the time.

The refrigerator also still works, but apparently Samsung’s interpretation of “stainless steel” means “dents easily.”

All this in two years mind you. Not to mention a Galaxy Note 9 which around the same time eventually got so slow it couldn’t open some larger emails after a reboot and was dropping calls the majority of the time, and a battery swap didn’t fix it because it turns out it was a rare unresolved firmware problem!

It’s now Bosch appliances and iPhones.
To be clear, I’m not saying this is a good reason, but I’ve been doing it lately because otherwise the browser security features prevent a local auth service from passing tokens to the backend app via the browser. I need to figure out a way around this because the iteration loop sucks; probably I’ll add a flag to disable auth on the backend app so I can test non-auth-things locally.
Nah. Japan was well on its way to industry in WW2. SK improved a lot yes but still not as much as China and unlike China prospects are dim for a lot of people and politics is somehow even more of a mess. I think the average Chinese citizen is a lot happier with their government than a Korean one. Having a prime minister puppetted by a cult doesn't exactly inspire confidence.
Two suggested readings:

* Why We Do What We Do: Understanding Self-Motivation by Edward Deci.

* The Energy of Life: The Science of What Makes Our Minds and Bodies Work by Guy Brown.
Maintain, almost certainly, but sustainment costs could be higher for the Gripen. They’ve only made 270 Gripens, so any upgrades will be amortized over a smaller installed base.
Make sure to focus on the aspartame section, which doesn't show the same insulin effects as other sweeteners

It is hard to understand how aspartame influences the gut microbiota because this NNS is rapidly hydrolyzed in the small intestine. In fact, even with the ingestion of very high doses of aspartame (>200 mg/kg), no aspartame is found in the blood because of its rapid breakdown (29).
What Really Happened at the Millennium Tower?
That would be the free market way. Apple has a track record of patching even low level issues for a very long time after sale. If that is something you care about, then you buy the product that supports that.

Perhaps we should also block malware infected devices from using the internet as well to stop there negative external effect on the rest of us.
Fantastic article. I didn’t realize how polarized things were.

“Public opinion split along political lines. A Gallup Poll showed Democrats favored the switch 52% to 48%, while Republicans opposed it 79% to 21%.”
No, but the chance of breakthrough infection with the current vaccines is high enough that it's unlikely to allow good herd immunity at realistic vaccination rates, which sucks.

Immunity is always the goal if you can get it. It's not how you judge success though, you're right.

Thankfully the vaccines do drastically reduce severe illnesses though, so that's something.
Actually, it depends on if there is free will, which by definition is supernatural, else we have as much choice to be grateful as a rock.
Ask HN: How to handle being bad at school?
The last time I got straight A’s was middle school. After high school I took a few years to work/travel/ figure out what I like…as I wasn’t finding it in school. I’ve found an interest-more so a passion-in technology. I like writing code, I like solving problems, and knowing how things work. I’ve had trouble however finding employment in the industry without a degree…I know this is not many peoples experience but it has been mine. Therefore, I’ve starting going back to school. But I just can’t seem to hack it. I think it’s poor time Managment and general apathy. When implementing something in code I find interesting for example, I’m able to spend 16/hours a day every day until it’s complete. I’m not very good at pushing myself to finish things I don’t care about. I have pretty bad adhd, but my focusing problems really aren’t a limiting factor to success. I’m failing my very into level prereqs and other classes and I don’t know how to push past this. I don’t know anyone in my life personally in a similar situation to mine. So I’m wondering if anyone here has had any sort of similar experience, and how they were able to solve it?
This doesn't mean anything to potential customers. If I was in the market for GPU compute, nvidia is the only real option. AMD has had some PR person commenting on github that they have "big news coming very soon" for navi users but it's been over a year now and still no news.
I was lucky enough to have spent my youth in one of the five least expensive places to live in the United States, and I stayed. I can easily buy a home for $30,000 here, and I have done so a few times.

I was fortunate enough to find a company where I live that wrote their major systems in assembler in the late 1960's; they use UNIX/Linux to glue modern systems to a vertical wall of technical debt. This is an endless amount of fun.

I go only so far into these legacy systems (we even have an emulated VAX running VMS, which I keep at arm's distance). I should be thankful for having an unprivileged VMS account. I don't want to run that system.
Sure, but that's 99% of languages out there. If you are evaluating a language for a real project, it's best to stick to the top 50-100 languages on stack overflow.

Out here in the wild west of programming languages though, questions like "can I use this for anything real" aren't really material. Of course you can't, and the irregularity of the developer is just one reason out of many. Nonetheless, people find themselves drawn to these languages because they can actually offer something those top 50-100 languages can't -- fresh takes on programming language design and philosophy. True, we may never build anything more than a toy in these smaller niche languages, but still we can bring the insights gained back to our development practices in those top 50 languages.
It's still not instantaneous like `vim .` is. Also it leaves me outside of my terminal. I know, I know, just don't leave emacs, but that's not how I work.

I appreciate the tip about zile though. That looks cool.
AMD isn't even interested in supporting their best selling cards with ROCm. The whole thing seems to be illogical and against their own interests.
Are you looking at a small enough time span? Because vaccination drives IFR down, and vaccination rates were higher during the main Delta outbreak than during the main Alpha outbreak.

Alpha variant was already deadlier than the original strain, and delta variant at least caused higher hospitalization rates than alpha:

https://www.bmj.com/content/372/bmj.n579.long

https://www.nature.com/articles/s41586-021-03426-1

https://www.thelancet.com/journals/laninf/article/PIIS1473-3...

https://www.thelancet.com/journals/laninf/article/PIIS1473-3...