skysight-inc/HackerNews huggingface dataset:
You're right. We ask fizzbuzz simply because it eliminates a shockingly high percentage of applicants. We then ask more challenging and open ended questions to evaluate actual competence if they get that question. Fizzbuzz is there as a shibboleth of sorts. But I don't see it as a waste of time even for qualified candidates. For many qualified applicants, getting them to relax and speak naturally is the greatest challenge. Starting with a softball question helps eliminate some of the natural interview anxiety and lets us see how they really communicate. Then once in a while, it highlights the really arrogant pricks who think it's beneath them, which is another category of candidate we want to filter out.
Rare earth is not "that" rare. Not every rare earth element is equally rare. https://en.wikipedia.org/wiki/Rare-earth_element

Quote: Despite their name, rare-earth elements are – with the exception of the radioactive promethium – relatively plentiful in Earth's crust

From https://en.wikipedia.org/wiki/Neodymium:
Although neodymium is classed as a rare earth, it is a fairly common element, no rarer than cobalt, nickel, or copper, and is widely distributed in the Earth's crust.

Good practices and recycling could be very important with regard to costs and environment protection.

There is always progress if progress is financed.

Example: https://www.nextbigfuture.com/2018/11/european-ecoswing-buil...

Quote: A conventional wind generator making 1MW of power will have about one tonne of neodymium in its magnets. The superconductor uses about 1 kilogram of the rare earth gadolinium. It costs just $18.70/kg (£14.50/kg) of gadolinium oxide versus $45.50/kg of neodymium oxide.

I doubt that the rare earth is an important cost factor for such a turbine.

http://www.windustry.org/how_much_do_wind_turbines_cost

Quote: The costs for a utility scale wind turbine range from about $1.3 million to $2.2 million per MW of nameplate capacity installed. Most of the commercial-scale turbines installed today are 2 MW in size and cost roughly $3-$4 million installed.
Is Ron Maimon proud that he attended Harvard?
What about senior developers? Missing them, I'd be very worried about the code being built at the company.
Errors I've made as of the Tech Entrepreneur
That's plain false.
Bitcoins' value is in its utility at the moment. Until it stabilizes it is poor as a money (a store of value) while still quite handy as a currency (exchange of value). If it becomes a more stable store of value than competing fiat currencies it will have even more value added.
I've heard it.
Eg https://www.inverse.com/article/47731-tesla-gigafactory-now-...

But yeah I'm not sure whether China doesn't report battery construction, or under reports or what because it sounds suspect to me also.
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From the US Congressional Budget Office[1]:

"When workers’ earnings rise but their after-tax income rises less—because of increases in their income and payroll taxes or declines in their benefits from government programs—their incentive to work typically declines"

[1] https://www.cbo.gov/publication/52472
I built something similar to cheat / win at "hanging with friends".

To see how easy it is to work with words, check out https://words.gumyum.com/ (source code included)
Given that maps are the defacto data structure in Clojure, it's pie in the sky dreaming if you think you can always or readily avoid nesting or transformations.
Today's image (netboot.xys) isn't even an image, it's just a shell script. It is both awesome and scary at the same time.

It boots an image straight from an unsecure http URL, and allows you to boot various BSDs and Linux flavours straight from the internet.
Trolleybuses still require infrastructure wherever they run, hence in many cities in Europe they got replaced by trams as they seem to be more efficient (because they're much longer than a bus).

In Berlin there are already electric buses in operation on several lines (manufactured by Solaris, a Polish company and EVO bus, a Mercedes Benz subsidiary) and they will start experimenting with inductive charging soon. The idea is that you have a charging pad beneath each bus stop, where the short stops the bus makes would be sufficient to recharge the bus enough to keep it running all day.

A single electric bus with charging station costs them about 600.000 € (https://www.morgenpost.de/berlin/article215300097/BVG-Busflo...) btw. So about 1000 times my annual subscription :D They ordered 30 more that will be in service next year and plan to have their whole fleet electrified before 2030.
I used to be a developer until I took an arrow to the knee.
I'm getting pretty close to pulling the pin and retiring. I won't really need the money but will probably do a bit of consultancy now and then. Since 2003 I've been writing a memoir on living in Thailand - I hope one day to actually get around to finishing it! :D

A friend of mine recently bailed out of software and is now a qualified mountain leader.
This is a lame excuse. Google has open sourced all kinds of Linux kernel work and they were doing custom hardware with huge proprietary internal systems way before AWS was a thing.

Open source takes work and the foresight to separate your custom shit from things genuinely helpful to the community. Amazon doesn't encourage or incentivize that kind of thinking.
Nantes was the first city in France to have a tramway [0] :) !
It was very unsafe and thus got the nickname "Péril Jaune" (yellow peril) because of it's color.

Today, Nantes still has a wide Tram network and I really enjoy it. I find it more enjoyable than metro. They tend to smell less and you can enjoy the scenery will traveling :) .

[0] https://fr.wikipedia.org/wiki/Ancien_tramway_de_Nantes
Miners probably have a bit of a sunk cost fallacy, since there's a fixed cost associated with acquiring the hardware. Plus, if they're still bullish on bitcoin, the short term loss is probably worth it in their eyes.
Ah, my mistake. We've always just called them "Trolleys"
No, you are not. I've been yearning for such an OS for some time now, and have been putting a lot of thought into precisely what it is that is missing from modern computing that makes me feel like a "personal computer" doesn't exist anymore. I think John Ohno's article "Big and small computing" [0] managed to articulate it better than I could. So what I've been doing some research and planning and trying to find the shortest path from the garbage pile we have today to something reasonably like what I actually want, and doing the research needed to make that happen. Unfortunately there's quite a lot to be done and I lack the experience and skill set to do it all, currently, but it's something I really want to do. I wish I could find a community already engaged in the same goal.

[0] https://hackernoon.com/big-and-small-computing-73dc49901b9a
beloved gcc? I despise gcc for not being able to provide a proper constexpr in C, making memcpy, memset 2x slower than clang.
There was a nice related article linked on HN last week: https://nickjanetakis.com/blog/optimize-your-programming-dec...

It mostly deals with decisions during programming, but the first part of the article describes exactly this problem.
If you want an example, I have one at hand
Great observations, Odd conclusions

Miners will mine at a loss for a limited time. Difficulty adjusts lower and price will reach a level where there is demand

Permenantly drop to zero? And nobody here would buy it?

Okay
>If mining is not profitable for some part of miners, they'll stop mining //

Real world is always more complex than this.

My expectation would be that done miners will contribute to mine at below profit levels because they seek to cut their losses.

If they have cheap electricity but large sunk costs due to expensive hardware, that's not paid off, then - absent other uses for the hardware - they'd seek to reduce the loss?

So mining wouldn't stop, but it would drop off precipitously.
I see what you mean. That definitely makes sense since it was discontinued :).
There could be other entrances, collapses, etc.
The article addresses that further down. frankly I don’t quite know if their argument is valid. I am skeptical, as bitcoin existed before it got any significant value.

“. Similarly, when the price of bitcoin falls and miners exit, the cost of mining decreases. However, the number of miners cannot fall below a certain level, because without the miners providing the computing power to maintain the ledger, the bitcoin blockchain will not remain viable.

Mining at a cost higher than the cost at which you can sell in the futures market destroys value. So, any rational investor — even one who strongly believes the price of bitcoin will rebound — has no incentive to mine if the cost of mining is higher than the future price and is better off buying in the futures market. ”
Nvidia has created the first game demo using AI-generated graphics
My contract with a company that had on call read somewhere along the lines of 9 to 5 are the core working times and all work necessary outside these times, including Saturday and Sunday, is already remunerated in the base salary.

In this case I was being paid for it and I only heard about it in the first week after starting. I asked "how often do I have to work on weekends", but not "will i be on call" in the contract negotiations. Definitely a question I will ask in the future. Although I think being on call is a good thing.
Oh, ransomware only succeeds because of improper user permissions? Really?

Placing the security around users is used by server operating systems to protect shared resources from malicious users. It is completely useless at protecting a user's resources from malicious applications run by that user. The mobile OSs got this right in that the put the permissions on the applications instead.
The only problem is if the hashrate keeps dropping, it will be much easier for some disenfranchise individual/group to just hire the excessive hashrate for just enough time to do a 51% attack and completely destry bitcoin's credibility.
If you assume something grows exponentially (which is roughly how bitcoin behaves), then looking at a linear chart doesn't lead to useful conclusions.

Alternatively you can look at [1] which uses linear scale, but as you look at different parts of the timeline it rescales the chart. Sure, the recent drop looks dramatic. But it looks less dramatic than when in 2011 the price rose from $0.80 all the way to $30 and fell back to $2.20. Or the 2013 event where the price rose from $15 to $100 to $1000 in the span of a few months, only to crash down to a devastating $230.

1: https://99bitcoins.com/price-chart-history/
Mining can only become unprofitable for a while: Until the difficulty is adjusted.

There is a whole industry depending on Bitcoin. If mining becomes unprofitable, there will be players that pay for the mining to continue until the difficulty adjusts. To keep their companies alive.

There is also another counterargument. One that does not only apply to the problem of mining but to any problem with Bitcoin in general: If a hard problem occurs, it is very likely that the industry would collectively switch to a fork.

For me, the value of Bitcoin is mainly rooted in that fact. Bitcoin is widely spread. So it will probably be the seed for future currencies that one day will be more valuable then the original.
It puts the article in a different light. Makes you wonder what else he is incompetent or negligent about. In this sense it does hurt: it hurts him, it makes him less credible.
> Is there a basis to it?

Yes. "Quantum" is used in so many wrong instances that the default reaction to a stranger using it probably should be eyerolling.

>Does quantum computing not offer our best shot at solving currently unsolvable problems?

Not in general, there are very few problems where shor's algorithm or grover's algorithm apply. There are many more intractable problems that are out of reach regardless of computing power. There are though a lot of 'unsolvable' problems today that are just a matter of more (non-quantum) hardware and software.

If you want to rid yourself of quantum computing delusions in particular, try reading Aaronson. https://www.scottaaronson.com/democritus/ and maybe for a primer on the sort of problem shor's algorithm can help with: https://www.scottaaronson.com/blog/?p=208
How Is Artificial Intelligence Changing the Recruitment Practices?
I remember having nightmares from that 'intestines' level. Probably should not have played it that young :-)
You might be interested to learn this is a point of some contention. There have been real markets with utterly wild and out of control futures markets where the spot seems to have happily trundled along with the fundamentals.
On the ideology, political economy, and prospects of cryptocurrencies
This is what I am wondering. The process at my company is a personal interview, coding challenge, then technical interview.

So essentially about 4 hours of time. What makes this different from a company that wants 4 interviews from different managers, which likely takes up more time plus all of it being fixed time slots, versus having one hour of work that you can work on at your own pace?
> What kind of apps did people use back in the day when desktops weren't hidden all the time?

Emacs to the left and one xterm window in the bottom right corner.
They are cute in a way, but that doesn't mean you are wrong: https://www.gnu.org/music/free-birthday-song.ogg
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Dude, I've just been asked to teach c pointers and this was super helpful. Got a good c++ FAQ? :)
The contest IS an open demonstration? You get unlabeled data, need to guess the labels and after you submit the labels the external comitee tells you how good you were. At this point it might be unreproducible, but the paper is about it being verified and demonstrated.
Infographic – Latest facts and figures about the public cloud adoption
Tencent Music files for IPO today as trade war put on hold at G20 Summit
Intel Exec Discloses Discrete GPU Details and Strategy – HotHardware
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I think that's referring to total energy capacity and not the number of battery packs.

Tesla's luxury vehicles ship with 75/90/100kWh packs while BYD's model seem to have 63kWh (not accounting for busses which seems to have about 325kWh). No definite information available for Model 3, afaik, but I heard that the long range version has a 75kWh pack (50kWh for the "normal range" model?).
Cached DNS queries / speed to resolve can indeed be exploited, as shown here: https://www.chaoswebs.net/timebleed/

There are efforts to prevent this in the future but for now disabling or limiting DNS cache seems the only viable option.
Since I'm not an expert in graph theory, especially the arcane theory of "continuous graphs", your definition is unintuitive and excessively formal to me. How is that better? Abstractions are abstract. Almost no one learns purely by abstraction. Any definition must be accompanied by examples, and always is when taught.

Grouoa are taught in the context of addition/subtraction or permutations or symmetry groups, far more intuitive that graphs.
oversimplification: "simplification of something to such an extent that a distorted impression is given."
Wouldn't it pay for those then sitting on hardware to mine at a loss, in order to adjust the difficulty, in order to restore the value somewhat.

I'd guess it would get very spiky as people tried to buy up preempting the "rescue" efforts.
Some Venezuelan ppl might disagree with you :)
Sounds like an opportunity for someone to get control of more than 50% of mining capacity.
If it takes an hour to code, it shouldn't be a problem.
Taxes are hard to implement in many countries, including the USA, because people have seen that the tax money is not spent on what proponents say it will be spent on.

You'd have a hard time getting a CO2 tax passed because it would just end up going into the general fund and get spent on pet projects, not on anything that really addressed CO2 emissions, or helped with the cost of alternative fuels or vehicles.
Yes. It really is. A couple weeks ago I interviewed a self-described C# expert who claimed to know everything about C# but couldn't even begin to describe the difference between methods and fields and properties, and did not seem aware that methods have return types. I'm not sure he had ever written a line of real code in C#, or any other language for that matter. This was a recent CS grad from a reasonable quality engineering school, so I'm not sure how he even got through college.

And for the record, I try to interview people on their strengths, giving them the opportunity to show off what they know about the area where their greatest interest or experience lies. A shocking percentage of people (>50%) nevertheless fail to demonstrate even basic knowledge of syntax or language features in the language of their own choice. This is without even considering actual workplace skills like git, PR review, tickets, etc. as discussed above.
The 2019 Web Developer Roadmap
I agree completely, but many over there don't have the same expectations. As a naive participant, how do you distinguish between freedom and toleration? As a practical matter large swathes of their economy are based on that implicit model. In fact selective application of the rules is one way they stack the deck against foreign competitors operating within the country.
We lost our dog a little over a year ago and I posted about him going missing online along with the most recent video of him I had taken. That post ended up getting reshared 8,000 times, the video got 215,000 views, and I was getting contacted by random people in the region constantly about how they were keeping an eye out looking for my dog, or sharing any info they thought they might have (there was some dogs found nearby that looked similar but weren't him, for example).

We got a couple sightings through it, although ultimately we found him four days later after someone spotted him and then saw one of our lost dog posters a couple of miles away and called us, so he wasn't found directly by it.

I even had people I only considered to be internet friends tell me how they spent time after work driving around looking for him, sometimes for a lot longer than would be reasonably expected.

So, I didn't really consider social media to be all that useful before I had the scariest thing in my life happen to me (so far at least), and then I discovered people online really can do more than just give a 'Like' or a 'Sad Face'.
Must we always trot out the "average user" as an excuse for why things suck?
An interview is a two-way process. I typically find out a lot about the company and the people I'll be working with. Even a 30 minutes phone call is as much for me to be able to filter them out.
As an aside I have never seen an ad before with options to “buy” or “get loan” as there was on that page
Why Are Taxi Drivers in New York Killing Themselves?
Yuck, their device sports a i.mx6 Cortex-A9 SoC, which has great software support (it's what Bunny used in the novena platform), but we're now in the age of ubiquitous and cheap AArch64 devices. Long story short, the imx6 is really old so it's hard to get too excited about their hardware.
Bitcoin price in the past 30 days
Chart https://www.coingecko.com/en/coins/bitcoin has been on a pressure
And that's look mainly driven by market, miners will shake up and driven to mine what's most profitable and they have option to point to Bitcoin Cash and Bitcoin SV for ASICs
I think you nailed it, although I don't think miners even need to fall for a fallacy for your argument to work: some major miners have made big capital expenditures (efficient hardware, cooling, etc.) to keep variable costs low over the long term. Even if the price drop means they'll never mine themselves out of debt, it could still be the rational thing to do for them to keep the machines on, as long as their reduced variable cost is still below than the market price.
Petrol is less efficient, but like hydrogen it is more energy dense.
And you also have a tank like petrol cars so people don't have to worry about new fangled batteries and running out of electricity.

You seem to be over estimating my support for hydrogen. My next car will more likely be battery powered, and I'd be buying battery, rather than hydrogen shares, but it isn't without merit.
TL;DR because of a stalker
What do you want to have in 10 years time. Every day. Go get.
By simplifying your business :) although that's not always realistic.
Like? If true it means that either the futures market are tiny or that there is a barrier to efficient arbitrage.
No, it just recreates the visual appearance and some of the behaviour of the Workbench. It doesn't emulate the underlying OS, let alone the hardware.
Yeah, there's a lot of nonspecific scaremongering; I think the bottleneck metal at the moment is cobalt, but Tesla and others are working on that. http://www.mining.com/tesla-delivers-bad-news-cobalt-price/
> Because the adjustment window is not real-time-based, but block-based: every 2016 blocks, an adjustment is done ...

This is definitely true. Luckily for miners there are two other blockchains their mining equipment can make use of which don't suffer from the slow difficulty adjustment. They are both version of Bitcoin Cash (BCH and BSV) and they both have 10-block adjustment periods. This makes them much more resilient to sustained periods of depreciation.
But buying only makes sense if you can "realize" the gains - for that, the BTC network (i.e. transfers between accounts) has to continue working. In the absence of mining gains from newly-minted coins, rich individuals that want to use their wealth will be paying for mining in transaction fees.
> Plus you have no right to want anything more.

Some of the linked wallpapers do not have their source files linked. As far as I know the GPL requires that the preferred version of the source is also made available and neither png nor jpeg qualify for most image manipulation tools. At least a few have the xcf also linked.
High realiabity and high availability are not the same thing though. There are still problems in aviation, like the dreamliner who had to be restarted every x days or it would go full system shutdown. In these kind of systems you often sacrifice availability for reliability. You also sacrifice progress for reliability, which is absolutely the right thing to do for these projects.

An on call engineer shouldn't be the solution for bad reliability, because as you said it doesn't help. He is primarily there for availability.

Instead of high throughput I maybe should've said highly available systems.
I remember these same articles in 2013
Inductive charging is only 90% efficient at best. Doesn't really matter for portable devices with their tiny batteries, but it seems wasteful for vehicles.
How would you explain that you're making money from a project summary of UBlock?
Black Americans whose ancestors paid 100% income tax dispute your notion that USA was built without work tax or that it was regarded as evil by most people in power.
Why stop at a CO2 tax? All kinds of problems could be solved with a dictatorship.
Your timeline is definitely off. Selfies were absolutely part of the cultural norm 5 years ago. I don't know when they normalized, but it was definitely between 2009 and 2011, as smartphones proliferated to become something most people had.
There is a level below profitability but above electricity costs where most professional miners will keep mining. But at some price level miners start dropping out because the electricity is more expensive than the mining income.

Luckily this wouldn't be one huge even but dragged out over a large price range since electricity prices vary considerably depending on location and source. This ensures that there is enough time for difficulty adjustments to kick in and correct the market.