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DC to AC converters in common inverters (where your battery power gets turned into AC wall current) are usually digital (mosfets usually) and unless they're running at 96khz+, which is probably not the case even with "pure sine wave" inverters¹, they could also introduce some noise. Additionally, if you were charging the batteries at the same time, that charger could be carrying some noise into the DC current.

Visible stepping on a "pure sine wave" inverter:
¹ https://m.youtube.com/watch?v=7-Issb89NhQ&t=7m20s
> difference pretty well between a $5 and $20 bottle (hint: the $20 one is the one not loaded with sugar)

Wine loaded with sugar??? AFAIK, in a dry wine all the sugar is converted to alcohol- even in the case it's been added before the fermentation, which is still pretty rare, at least in major wine producing countries. That is definitely not the difference between a $5 and $20 bottle of wine (in Italy you can still get excellent wine for $5 a bottle if you buy it from the producer, btw).
Yeah, between smaller households and new houses being built being on average larger, the trend certainly is that we are getting more square feet for less people. I just think the article does a lot of things with the numbers that are questionable.

I didn't take it personally, but I also didn't quite know the best way to respond either. I probably didn't do the best job at it.
as an extensive walker, car fumes are never a problem for me.

usually the biggest problems are lack of mixed zoning and really wide streets which leads to very long walking distances.
I’m sorry, but you’re 5 to 10 years behind the times, and I say that as a non-bandwagon-jumping old guy. Plain PHP these days is almost always a mistake, there are new (and proven, stable) tools that provide significant benefits without any real downsides.
I'm not sure when the last time you've used Rust is, but that hasn't been true in quite a while (not sure how long exactly). Cargo now has incremental compilation, and it's turned on by default. It's great!
Seems like the solution is to improve cellular reception along the track of the pipeline and stations.
Yes the US health care system leaves a lot to be desired. I know as an Australian that if I get ill that I won't be bankrupted even if I am out of a job at the time.

While on this topic health care costs are one of the major driving factors for companies wanting to get rid of older workers.
Perhaps austerity destroyed internal spending power (as Mario Monti put it when interviewed about his government on US media) and this made the country more competitive and cheaper to external consumers?
I thought alphazero was based on minimax, and used neural networks to evaluate moves, isn't this the case ?
Glad to hear that! Please let me know if you find any bugs and/or feature improvements.
We are talking about XSS, where an attacker can run their JS code on your page. If the attacker can run JS on your page, they can already do whatever your signed-in user can do. No need to read the cookie to make authenticated requests, just like your own code doesn’t need to read the cookie.
What is a good weakness to mention in a job interview?
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It's good. Like, not for the algorithmic side, but the emotional side. It is very accessible even when you cannot work with computers.
Can we put this old troll from Thatcher to rest? It’s insulting
I think the most promising thing on this front is Cranelift (https://github.com/CraneStation/cranelift). The idea is that, when cranelift is ready, we might use it for debug builds (but still use LLVM for release builds).
Funny you should mention this. I’m concerned about how clean the feed is to his power pole. A dedicated line is definately needed, shielded etc all the way back to its own power plant.
Musicians are able to hold complete compositions on their heads, some of them several minutes long.

It is all a matter of focus and pratice.
Ask HN: What improves Developer Happiness?
This has become a recent trend in companies. Usually they do this to decrease turnover without increasing pay. Is it true that most developers do not care about money and if yes then what do they care about?
It is kind of the case, but it does not need to expand the whole node to find the maximum. It samples some children instead from a NN (the Monte Carlo aspect)
Toronto also has a quite extensive and successful underground mall - the 'Path' - but I'd imagine it's success is in part due to the climate. Walking underground is vastly preferable to above ground for a good portion of the year. It also allows access from Financial District office towers to Union Station unimpeded by traffic lights.
To be honest, I find it worth it. I can use the time to listen to podcasts and generally just unwind, or I can use it to prepare. I tried living in the area for a while, and it was just awful. Seeing students everywhere I went got old quick, especially cause they would awkwardly stare and such, as if they couldn't imagine teachers having lives outside of school. It was the worst at the gym, especially if I wanted to try to swim or go to the sauna. And, of course, I can mention having the parents complain about me as a teacher because I dared drink "the devil's water" with supper at a restaurant!

Now, I don't have to worry about any of that, get cheaper rent and better internet (it ends up being cheaper even when gas/maintenance is factored in, as well), as well as live in a fairly vibrant college town that has a lot of options on things to do. Plus, I can listen to podcasts and music to learn/unwind on my way to and from work. Just mentally for me it's well worth it.
Here's some other senior dev's list:

Don't know: start with Dan's list, it has many similarities. I know more Bash, but not enough to write a shell script more complex than my aliases file. I vaguely know z80 and 6502 assembly. I know Java extremely well, but am faking C++ and C#. I understand flexbox but not CSS floats. I don't even know what sockets and streams even are in this context, they don't sound like the sockets and streams I know. I don't know node. I do know graphics and algorithms.

More don't know: the only front-end frameworks I know are Backbone, raw javascript, and various immediate-mode graphics APIs. I barely understand the AWS services I use. I don't understand matrix decomposition and that's actually relevant to things I do. I have to look up basic SQL commands when I'm writing it.

Do know: graph search algorithms in excessive depth, sequential Bayesian filtering in excessive depth, most of 2D graphics, 3D graphics up until you need to sample the local region in world space, most of procedural terrain generation, 2D computational geometry, 2D physics, sensor error characteristics for various sensors, GPS from the high level down to pseudoranges (but not down to signal analysis), rather a lot about data formats and compression, video game networking models

The "do know" list isn't exhaustive. The "don't know" one even more so.
My point is that neither PoW nor PoS are decentralized. Which was in response to the original comment.

I’ll let other people prognosticate as to what, if anything, that means for their future.
Examples like this make me appreciate the European Union's strict rules around state aid - which do a lot to eliminate beggar-thy-neighbour competition between countries, preserve tax bases to actually provide services and infrastructure to citizens, and hinder companies from playing off country against and city against city.

(That said, they're not perfect - witness Irish tax law as a prominent example)
The Wright Brothers started out in a bicycle shop, their engineering was based on what they knew from bicycles. There are things like the CV joint that is not bicycle engineering but the nuts and bolts of how so many things that are put together can be worked out by people fluent in how bicycles work. All engineering on a bike is at human scale and can be related to, all of it is exposed and not hidden in magic black boxes.

The Wright Brothers also added to the canon of bicycle design and engineering, with the left-hand and right-hand thread. They deeply understood how 'nuts and bolts' worked in order to solve a problem of the pedal and chainset of a bicycle falling out over prolonged usage, even if the bolts are done up tightly.

Try and service a modern bicycle and when it comes to taking the pedals off you will only be able to do so if you appreciate left-hand and right-hand threads. The pedal on the left-hand side of a bike unscrews normally, the pedal on the right hand side needs you to unscrew it by turning the other way to expected, clockwise removes the pedal instead of securing it.

Although a small innovation compared to building a whole plane, this left-hand/right-hand thread could have been devised by others, however it is the Wright Brothers that got there first, demonstrating their deeper understanding of how things are made and put together.

Practically every auto manufacturer got started with bicycles instead of 'horseless carriages with horses'. The bicycle workshop is not recognised for what it is, the cradle of innovation and lightweight engineering (that contrasts with the 'big iron' of steam engines and what went before in the Industrial Revolution). Some of this innovation is just in little things like having standards, e.g. the 9/16" diameter of the screw on bicycle pedals. A lot of these things needed to be sorted out so that other things could be made.
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whether it's rare depends on the wine. most champagne has added sugar before fermentation.

search for "brut nature" which for cava, champagne and the like means it's only the sugar in the grapes themselves.
One of the best electives I took in my CSE program was Art in Code. We covered Processing and Arduino and the only required textbook was Making Things Talk. https://www.amazon.com/Making-Things-Talk-Practical-Connecti...

These tools were designed to be accessible to non-programmers and had our entire cross-disciplinary class making games, interacting with hardware, and getting inspired to find new ways to interact with computers. I wish this class had been required by every first-year CSE student.
The top of the list is pitch to VC. Is it a silicon valley thing to start pitching to investors as soon as you have a idea?
I feel more flexible, clojure.spec helps a lot and is a wonderful tool to add to your reflection/parsing/validation/testing toolboxes. The REPL driven development and immutability defaults means it isn't saved in a file until in runs.

Clojure idioms put those black magic macros or even complex ones in the "last resort" category. It is very much focused on representing problems as data then composing general functions to work with them. That is ranked as more elegant than the macro driven dsl style and similar ones. They are still used and are very useful.

I find types are one thing among many, all affecting each other, when it comes to how productive I am and how much I enjoy it. Clojure is unreasonably effective and spec solved the class of problem that I would have liked to have gradual types for so I don't miss them no. Gradual typing is cool though, I'm sure I'd make use of it.
First, some Proof-of-Stake setup:

1. Assume we have some set of "validators" who control the global consensus process. They come to consensus on the current global state of the system. These validators are vaguely analogous to miners in Proof-of-Work consensus.

2. These validators have coins bonded as collateral in exchange for more voting power in the consensus process.

One key idea necessary for Proof-of-Stake is to punish Byzantine validators, i.e., those who deviate from the consensus protocol, by destroying their bonded stake. If you misbehave, then you lose some proportion of your collateral. Thus, validators have incentive for participation (from rewards and fees) and a _disincentive_ for malicious behavior.

This is in contrast to Proof-of-Work consensus, where there is no way to punish a specific miner that misbehaves--we cannot programmatically take away physical mining ASICs. Changing the Proof-of-Work function is only an absolute last resort as it unfairly punishes the other honest miners.

So what constitutes misbehavior? When can we confidently punish another validator? An example is when a validator publishes signed attestations for conflicting forks--an example of equivocation. When presented with signed evidence of equivocation, the honest majority of validators can agree to punish the equivocator. This punishment system solves the original "nothing-at-stake" problem where a validator has no disincentive not to contribute to both sides of a fork.

On another note, the OP seems to misunderstand the fundamental consistency vs availability (in the event of a partition) trade-off that consensus algorithms must to make. Bitcoin's Proof-of-Work is more AP with probabilistic eventual consistency. In the event of a partition, the side with less mining power will make transactions unaware of the partition. When the partition heals, all transactions on the weaker side will revert, effectively double spending all transaction recipients on that side.

In contrast, many Proof-of-Stake protocols use a more traditional PBFT-style consensus process which favors consistency over availability. In the case of a partition, the weaker side will simply become unavailable (if it contains less than 1/3 of the voting power). In the event that no partition has >2/3+ of the voting power, the entire system will become unavailable. Also in contrast to PoW's eventual consistency, PBFT-style Proof-of-Stake allows for finality as soon as the validators come to consensus on the next block.
> Maybe we all fear that we're the singular hapless fool adrift in an industry of savants?

Yes, that's literally the definition of Imposter Syndrome.
IIRC there was some article linked to on hn some time ago where it was explained that most rooftop solar installations actually don't work at all without a grid. If the grid goes down, so does the solar. It's of course technically possible to fix, but costs more.
> But even back in 2011, there was a very high number of HNers who seemed personally affronted by the very idea that money was a social agreement. They seemed to believe that money was some kind of official, government activity, end of story. And that anyone who believed otherwise was an evil heretic, to be ridiculed.

This x10. If I were to anthropomorphise HN it would be a middle aged white collar worker, pretty smart, making fairly keen observations about the evolution of a company's product and social structure, but in the dark about executive-level play. Financially conservative, thinks of money as a necessary evil. Stashes money in the bank and is highly suspicious of financial risk.

To this character Bitcoin is a threat because it mixes that which they care strongly about (open source, distributed systems, impact) with that which they've largely ignored and of which they are suspicious (money).

Edit: grammar.
Considering yours and the other answers I'll definitely give elixir a go. This isn't very easy when you are fully productive with a different tool (Django in my case) and you have projects with expected deadlines...

I'm mostly convinced to take the red pill thought! Can you recommend any good elixir/phoenix learning resources?

Now that I mentioned learning resources I think that you should agree that this is a point where Django wins: Its documentation and learning resources!
This is a very good read from what I call the thought leaders of HN and Silicon Valley. https://a16zcrypto.com/
The scenario is XSS, where the attacker manages to run their JS code on your page, and get all the same privileges as your own code on the page. Whatever mechanism your own JS code uses to perform authenticated requests, the attacker can do the same.
Yep, and I also see few of their on-line filmed lectures and form my present opinion...

I'm European so I came from a really different (older/less reformed) school system and I'm old enough to see how it's change. I also casually interact with USA people and my conclusion is simple: having really poor schools "because there is college after" it can't really work. I see in EU, reform after reform, how unprepared become high-school students and how hard, if not impossible, universities try to "recover" them changing their programs. In the USA this phenomenon it's extreme so even with a super-low acceptance rate results have to be also extreme.

You simply can't get smart but ignorant people and in few years transform them in high-skilled and acculturated guys. Being smart help of course, but learn require time. The better you start, early, the better you'll end up after.
So you’re telling the people reporting things it’s /their/ fault that this activity is thriving? Amazon bears no responsibility for taking a complaint like this in /any/ channel and making an appropriate response? Come on.

This isn’t a mom and pop store. This isn’t a company that can’t figure out logistics. This is amazon. If they don’t forward these complaints to the right place of their own volition, then they aren’t working hard enough to abide by the law. Fair is fair. Corporations need some responsibility to go with all their privileges.
Hm, perhaps your state school is "less unrespected" than mine, but my CS program had a very real funnel from "couldn't hack it in Programming 1" to "couldn't hack it in Calculus 2" to "couldn't hack it in Data Structures and Algorithms" to "couldn't hack it in one particular professor's mandatory upper-level courses" to "tripped on their gown."

I digressed a little. Point being: while I'm unsurprised that some % of people from a broader range of abilities couldn't get functions or iteration or inheritance or whathaveyou to stick, I'd be very surprised if ANY % of the culled-by-18 right end of the Bell curve couldn't grok both fundamental concepts and any relevant part of the standard documentation (on which we appear to be in agreement.)
Dont be 2018 US media Western countries experience a sad year
I don't think think I agree. The first sale doctrine protects the resale of lawfully purchased, legitimate products.

The kirtsaeng v Wiley supreme Court case affirmed the right of sellers to import international versions of textbooks for resale in the US. This resulted in a reversal of Omega watches v Costco where Omega had argued that Costco couldn't resell their watches in the US.

https://en.m.wikipedia.org/wiki/Kirtsaeng_v._John_Wiley_%26_....
People talk to each other. They know about migrants’ rapes. It triggers a question which is « Is it true », but countries, Europe and UN has a track record of lying and forbidding the publication if information about migrants, so it’s a bit like in DDR: choose whom you trust, but your child’s safety is on the line.

The discredit in govt trust, information and islamisation of our countries is so wide that many people are not only talking about Europe-exit, but about UN exit.

I guess it’s easier to pretend it doesn’t exist.
To put it slightly differently, these are the things I get in my current job, but I know I wouldn't get in many other better paying ones:

remote work, flexible hours, socially conscious company/management, freedom to choose / purpose work (within reasonable limits), recognition.

I don't think you can really slap any of those on an existing company though - they really come from the culture. On the other hand, you could probably pay me more and drop some of those... but it would have to be a significant increase.
MCTS is not a traditional depth first minimax framework. Key concepts like alpha-beta don’t apply. Although it is proven to converge to minimax in the limit, the game trees are so large this is not relevant. You could use the network in a minimax searcher, but it’s so much slower than a conventional evaluation function it’s unlikely to be competitive.
MIT does have a required course 6.004 that starts you off computing doped semiconducter behavior, building circuits using a simple HDL (JSim when I did it, seems to be something else now). You build combinatorial logic, sequential logic, an ALU, your own CPU implementing a RISC machine code spec, making sure your circuit-simulated CPU can run basic machine code programs, optimizing the machine code programs running on your home-grown CPU.

In the end you're spending all day/week/month optimizing your CPU by stripping out gates, pipelining, all at a circuit/gate/HDL level, with your final project score computed numerically from how fast your optimized machine code program is running on your optimized home-grown CPU.

Probably one of the best classes I took when I was there. Doesn't really matter whether or not it was the first class or not I don't think.
While it's a nice compression technique, I doubt you'd gain anything from this at the message level.

Even by reducing a message content to close to 0 bits, I doubt you would get that much gains.
Most common messages would probably be things like "lol" or an emoji, which in utf-8 is 24 to 32 bits.

But There'll always be metadata associated with each message: message id, sender, receiver, timestamps, etc. which are unremovable. If those first 3 are typical GUIDs, this is already 3*128 bits. This will put a minimum on the entire message size , and more importantly the processing time to simply route the messages is what is costly in terms of CPU time. Then there's the different receipts mentioned in the article, adding a lot more traffic.
Counter-point: Everyone is grateful for our formative experiences because those experiences shape our identity, and we're obviously heavily emotionally invested in who we are.

But we highly overvalue which formative experiences matter. If I were to get into a time machine, go into your past, remove Scheme and swap in some other language, you'd probably be grateful today for whatever that other language was. It just hit you at the right time, like whatever song was on the radio when you first fell in love.

Every step on our path is dear to us because it got us where we are today, but there are many many paths and little reason to want others to follow in our footsteps. If anything, we should discourage that because the world doesn't need another me or you. It's already got those.
The difference, however, is that the compute is actually doing something: trustlessly verifying the ledger (or chain). Whereas in your description to your family members, your burning the match does nothing of any value, for anyone, for any reason.

I find many other issues with your framing of bitcoin, but the above is the most glaring, to me.
Consulting is definitely not a start-up. It's not scalable. Separately, the average age of founders of successful tech startups is in the late forties.
One has to know that there are trends in urban planning and one of those trends is our current focus on cars being a net-negative to human life and how banning them from cities altogether can only yield net-positives. Clearly this trend is intertwined with the demographic trend of migrating to the urban cores all across the West.

So it’s a good thing you‘ve mentioned the Fußgängerzone, which were a trend in the 1950-1970s and German cities adapted them just to find out that they can become a booster of decay, if demographics and economics as well as just the trend don’t hold up (homelessness, empty shopfronts, only elderly folk, unemployed youth hanging around).

Fußgängerzonen are largely considered a failed experiment (And because of widespread bombing in WW2 German cities had plenty of room for experiments, which often failed). That they seem to work today, might have more todo with spill over effects from urban population growth, urban revival and a narrow set of datapoints (Fußgängerzonen if plighted areas are often not known to outsiders).