skysight-inc/HackerNews huggingface dataset:
I am pretty optimistic about SpaceX's claims for what the space-segment latency will be. If you look at the system architecture for current generation high-bandwidth Ka-band geostationary services, which has dozens of spot beams on North America, there's about 30 teleports spread out around the US and Canada. These allow Viasat and Hughesnet customers, and similar, to consume capacity in the same spot beam as the teleport they're uplinked from (vs the satellite cross-linking a set of kHz from one Ka-band spot beam to another). For example, customers in really rural areas of Wyoming are going to connect to a teleport that's in Cheyenne, which will usually be in the same spot beam. Sites in Cheyenne near the railway have really good terrestrial fiber capacity for an earth station operator to buy N x 10 or 100GbE L2 transport links to the nearest major city.

It would be technically possible, but uneconomical and an inefficient use of space segment transponder kHz to have customers in Wyoming moving traffic through a teleport in the Chicago area. Here's an illustration of Ka-band spot beams on a typical state of the art geostationary satellite:

http://www.southwestsatelliteinternet.com/images/Ka-band-spo...

Applying the same concept to starlink, telesat's proposed system, and oneweb, if they build a number of teleports geographically distributed near rural areas, it will allow individual satellites to serve as bent-pipe architecture from CPE --> Teleport, within the same moving LEO spot beams, or to have customer traffic take only one hop through space to an adjacent satellite before it hits the trunk link to an earth station. For example customers in a really rural area of north Idaho along US95 might "see" a set of moving satellites that also have visibility to an earth station in Lewiston, ID, where carrier grade terrestrial fiber links are available. Or a customer in a remote mountainous area of eastern Oregon may uplink/downlink through a teleport in Bend.

The ultimate capacity of the system will be determined by how few hops through space they can get the traffic to do. Since every satellite will be identical and capable of forming a trunk link to a starlink-operated earth station, when it's overhead of it, they have an incentive to build a large number of earth stations geographically distributed around the world.

It's basically the same idea as o3b's architecture but at a much smaller scale.
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Hydro works great where you have an appropriate location for it, but most of the appropriate locations already have it. It doesn't scale.

Insulation is great for new construction but cost prohibitive for existing structures -- the new codes require 2x6 construction instead of 2x4 to leave more room for insulation, but you can hardly change that for a hundred million existing structures that aren't going anywhere.

Wind and wave aren't diversification because waves are caused by wind, so a still night is still for both.

Community heating from wind and solar doesn't provide any efficiency improvement without a cold sink that many areas won't have -- or something that generates waste heat, like nuclear. (Using waste heat from a steam turbine as the cold sink for a heat pump for community heating would be extremely efficient.)

Energy storage and time-based pricing is great for handling the high demand low sunlight period in the early evening. You still need something for baseload.
.net is not equal to c#. f# has all of that and a much cleaner syntax than rust.
As access to competing services gets heterogeneous, it's certainly bad for every potential competitor.
Start high. Don’t give current compensation. Don’t accept if you feel underpaid. It’s not really much different than negotiation with a big corp, other than the equity, which is a huge topic in itself for startups.
You could go read the original paper and examine the actual data and scientific conclusions drawn from the underlying data as represented on that chart.

You could look for confirmation or disconfirmation of the hypothesis that preregistration leads to an increase in null results in other data sets.

Both of those seem like more useful ways to dispute this finding than squinting at a graph and finding fault with a blog post headline.
I'll be curious to compare my flow with yours...

BTW: dropbox is lame until you can use encfs over it ;)
>I do question the externalities and pollution and embedded carbon costs of 43k SQMI of solar panels, however - I think that's the logistical issue that's most pressing.

YES! especially considering the life cycle of PV - it is short!

Here is some great stats to consider: https://youtu.be/V2KNqluP8M0?t=454 (alarmist tone + admittedly biased toowards nuclear - for a reason - the numbers are sound)
Maybe something like the Cosmo Communicator [1]? It's a 'reboot' of the Psion PDA form factor by the same people who created the Gemini PDA.

[1] https://www.indiegogo.com/projects/cosmo-communicator/
Why specifically -2009? What happened in 2010?

(I'm aware a lot of things happened in 2010, but (as someone interested in the industry but somewhat removed from it) I'm not aware of anything that specifically happened in 2010 that changed the landscape in a big way.)
> ASP.NET Core that runs on top of .NET Core

Confusing, ASP.NET Core can actually also run on top of the Full .NET Framework right now, although it was announced this won't be a trend which will continue.

> features such as dependency injection

And DI isn't actually a feature limited to ASP.NET Core, .NET Core itself has DI "built-in".
How does the investment in Spin compare to the one in Argo AI? Are electric scooters hotter than self-driving cars?
How I solved our long lasting development workflow problem?
Between 8 and 16 characters, but only 7 bit ASCII. But there is no error message if you use § in your password, it just kills the server.
How to Spend Two Days in Jakarta: An Ideal Itinerary
There is no need for better nuclear power; the stellarator works.

https://en.wikipedia.org/wiki/Wendelstein_7-X
Nuclear is too scary. Last time there was an earthquake that wiped out 10000 people and shutdown a bunch of reactors (nobody died from the reactors), a country shut down all their nuclear power plants.

It would take a HUGE amount of effort to change people's opinion, that's gonna be 90% of the work to bring nuclear back.
Life experience since I touched C for the first time in 1992.

So yes I do belive, given the quality of the code bases I have seen in production.

And as discussed at Linux Kernel Security Summit 2018, which videos are freely available for you to watch as well, even with the rigorous process to accept patchs into the kernel, CVEs keep increasing.

68% of them were caused by memory corruption, something mostly unique to C and languages that are copy-paste compatible with it.

Then another good chunk was related to UB, something that even Linus already ranted a few times.

So yeah, Safe C is an oxymoron, unless we are talking about a new variant with safety turned on by default, where warnings are dealt as errors and everyone uses static analysers that break their CI builds on error.
I don't give a rat's ass what makes the most money. You're shitty app needs to earn my attention, rather than annoy me into giving it attention.
The only way to build a fully conformant browser is to support rendering HTML as SGML with a DTD. Toy/specialty renderers skip over that step since you can assume 99.9999% of web documents will be HTML. However, they would completely fall apart on standard SGML, styled XML, etc.
Unfortunately we're unlikely to know if it's:

- cheaper social

- more expensive non-social

- combination of those two

I really don't expect it's the first option, unless they're really in a race to the bottom. The third option makes sense even without subsidies - offer something "nice" to typical customers and offset it with other traffic.
Your emails are hilarious. Love them!

For the lazy, here's a preview: https://mailchi.mp/872ceee548ec/its-loaf-time
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Yes, you can. If you don't need anything fancy (in that case you are better off with autofac), then you can just add the nuget to your console app and start using it with a few lines of code.
Intel has pushed back its new process again. I think we can safely say that the future of moore's law is pretty bleak. The real question is however, should we actually be focussing on it?
May You Live in Epic Times
> Constructive mathematics is the way forward.

This sweeping assumption leads to my sweeping assumption that you are "a programmer".
Keep an eye on http://deepisolation.com as well for innovation with new disposal technology.
Always see this type of slide template used in mathematics. What do people use to build these slides? Is it a specific powerpoint template?
A manifesto on how to write
Zero. She didn't claim it was realtime, and cycle accurate
Even a single cell is more complicated than anything humans have ever created. Clickbait title?
I think you make a solid point here. I do think Amazon and its employees should be debating their concerns on this topic. But if the only question/talk of Rekognition vis-a-vis law enforcement during the all-hands is that one question quoted by the article, then that doesn't justify a news story just on that one question at the meeting. That's not to say BuzzFeed isn't justified in continuing to report on the controversy and debate, just that this recent moment at the all-hands isn't news in itself.

Before the big Google walkout this week, there was at least one HN discussion about it a few days prior, with some commenters questioning the purpose/courage of a walkout if the employees aren't willing to quit. Well, even if Google employees didn't put money where their mouths were, participating in the walkout at the very least is a public statement. And when 20,000 [0] employees make that statement, there is no debate at all if a reporter describes the Google controversy as one that has sparked significant company-wide strife.
Well before 1882, the United States had a completely open border. Anyone could enter at any time. There were some rules in place to expel certain people, but anyone could come. And the first quota was the Chinese exclusion act of 1882, born out of pure racism of the Chinese.

Ellis island opened in 1891. At that time they only excluded the sick and known criminals.

It wasn’t until 1921 that general quotas were put in place.

So you’re right it wasn’t 150 years, it was only 145. If you don’t count the 150 years before that when we were a British colony with open borders.

And billions would not come to the US. The poorest person in the US is still in the top 15% worldwide. So unless you’re one of the 1 billion in that group you probably aren’t coming here. And of those one billion, 400 million already live here and many of the rest live in Europe and have it better there than here. So no I’m not worried about it. They would still need a job or they would t survive long.

Israel is a special case, but yeah I think they should have secure borders with no quota too.
no, because a modern satellite with ion thruster or very high efficiency (high specific impulse, low thrust measurement in newtons), once it's been ejected from the second stage of a rocket and is above 99.99% of the atmosphere, if you burned all of its stored xenon fuel immediately after launch, would end up in a 45,000 x 450 km elliptical orbit.

If you want to keep a satellite in a mostly circular orbit from 350x350km to 600x600 km you do periodic very small boost maneuvers.
I'm having a hard time finding good atmospheric density charts that go all the way to orbital altitudes, but this one looks good: http://hildaandtrojanasteroids.net/Atmosphere_model.png

Basically, there's already nothing left at their new planned altitude. In either scenario they'd need to burn fuel in order to compensate for irregularities in Earth's gravitational field, but I assume they've run the numbers internally.
Powershell Core has allowed me to do 90% of the Office 365 administration I need to do from MacOS and has reduced my time in a Windows VM substantially.

Very happy that Microsoft is making this effort.
update on that reference is less optimistic:

https://www.nrel.gov/docs/fy18osti/71500.pdf
This is like studying chess, the approach to studying the complexities that arise from the number of routes a query can be executed is like how one will study an opening, also the tree data structure mentioned is reminiscent to chess, statistics also hence studying GM games. I feel like someone with a good understanding of chess will enjoy such a project. Anyways great post and breakdown.
It’s called Beamer, which is a LaTeX template/package which generates a PDF slideshow rather than an academic-looking paper.
IPv6 is a total mess; it was intended to be a clean break from IPv4 and do things more correctly. Turns out that they didn't really think it though; besides more bits anything from IPv6 was either easy to add to v4 or turned out to be a bad idea (like SLAAC).

It should never have been adopted in the first place but now it's the only practical option for moving forward.
So maybe GDP is somewhat irrelevant to this discussion, Russia is a good example - they don't have that high a GDP but they are very advanced in missile and space programs. While GDP may have a weak correlation, it's more about the quality of science, engineering etc.
"Irrelevant technical details" is exactly the "how" in the "how". I need to know some of it to evaluate whether I'm really "in the right place". I'm not going to trust the smiley faces on stock photos - that's how charlatans work.
That is why financing of reactors is outrageous - more than 50% of the TOTAL cost of some reactors!

But there is a solution: SMRs
https://en.wikipedia.org/wiki/Small_modular_reactor
If this was an anti-stall manuver, wouldn't they have been given a cue from the auditory warnings and the stick shaker as to what was about to happen? I know that stick pushers (that literally take the yoke out of your hands) are common on these aircraft, but I'd be surprised if it was actually so strong that a human could not overcome it.
43k sq mi comes to about 15 sq meters per person, worldwide. It's big, but it's not unimaginable.
The only people who consider switching between "he" and "she" in different examples are internet trolls. Obviously, that's not really true, but neither is your snark.

Look: gender-neutral language in technical writing is not that difficult. Most of the time you can rewrite sentences to simply avoid gendered pronouns, e.g., "the successful applicant will use his skills to contribute to the platform team" becomes "the successful applicant's skills will contribute to the platform team."

As for alternating between pronouns, do you think readers are bothered by switching between using male and female names in examples? If you realize that the first example used Bob, the second used Agatha, and the third used William, do you suddenly leap up, scream INTERNET TROLLS GOT TO THEM!, and punch your monitor? No, probably not. So do you do if you see pronouns switching? Really? Again: I'm betting probably not.

I can tell you that as someone who's done technical writing for a half-dozen companies over the last decade or so that I have never heard of readers complaining about alternating pronouns. I have heard of them complaining about documentation that is exclusively male, though, because it turns out that's something some -- not all, maybe not most, but definitely some -- readers will notice and be a little nonplussed by.
>>some people might think "well I need to go faster than Node... so do I need to go to C? Java is slow too. But the C library ecosystem is _rough_...."<<

They would be utterly mistaken on all accounts.
Is it a new Ukrainian brand?
RFC 1918 describes space for entirely private networks, not “private extensions” to the public globally routable internet. There’s a subtle but important difference. The private addresses strictly aren’t routable on the public internet. NAT (which there’s also an RFC for) is what what allows packets to flow between private disjoint IP networks. IP is only scoped to work within a single network, whether it’s public or private or triangle.
Has anyone been able to test it on his/her own devices ? I only touched it in a showcase...
Did you read the presentation? Did you read this? http://www.ams.org/journals/bull/2017-54-03/S0273-0979-2016-...

No, you are just closing your eyes and clinging to the sense of security that mathematics claims to provide. Your comment wasn’t very specific and concentrated in the peripheral part of my claim rather than the central.
I think it's one of those things where a few point shift in the average of the distribution really changes some numbers near the edges of it, though.
Not trying to be too snarky, but does that mean that JavaScript is going to be the first language that gets bigints before getting actual integers? How is that a reasonable sequence of steps in language evolution?
AKA the new official government propaganda spreader that can be 100% controlled.
I wonder if these aircraft contain any accelerometers, and if they do, how many?
Key Papers in Deep Reinforcement Learning
PRoot's overhead is very significant though. Especially the moment you have more than one thread running..
Windows 10 users finding their legit installs are being deactivated
Is it actually different tariffs or do they offer free “social” data? If they do offer it, that’s not against net neutrality unless they throttle other traffic.
I'm sorry, but he is right.

Adjoints are everywhere [1]. Referencing adjoints is indeed pretty vague. You can't make a case for why things are interesting by quoting a bunch of resources of other people making cases why things are interesting. (I guess you can, but then, why make the argument at all if it is not yours?)

You don't even need funny names to get x^2=0. This is true for any of the two elements of the group of order 2.

Linear logic is indeed having a mini revival, but so is general category theory. I don't see the particular advantage for people to evangelise certain parts of mathematics, especially if the case being made is not clear.

[1] Not attributed to me.
Point me to where I can buy one.
Though if owned self driving cars are used we have to choose between keeping parking spaces and increased traffic congestion. If there is no parking space, the car will have to arrive at work when you are leaving (which is usually the same time as everyone else) meaning two extra rush hour journeys each day.
And yet...
Sure, there are plenty of OLTP queries involving joins and complex queries that can have severe performance impacts from bad query plans.
I think Russia just launched a floating 70 megawatt nuclear power plant quite recently

https://gizmodo.com/russias-floating-nuclear-power-plant-has...
It was a good talk worth sharing :)
> As access to competing services gets heterogeneous, it's certainly bad for every potential competitor.

And then for all the customers, as the incumbents having established a moat can become increasingly abusive.
Why not a "nuclear battery"? ;-)

https://phys.org/news/2016-11-diamond-age-power-nuclear-batt...
From the article:
It came into the solar system, inside 1,000 AU, around 1837.
It wasn’t spotted until last year because it was too far from the Sun to reflect enough light for astronomers to pick it up.
It's expected to reach the Kuiper belt in about 2024, and pass the edge of the Kuiper belt in late 2025. It will pass the most distant location the Voyagers have reached in about 2038. By 2196, it will again be 1,000 AU from the Sun.
2,600 feet (800 meters) long and about 260 feet (80 m) wide.
It showed a really strong non-gravitational acceleration...which means its motion indicated that gravity was not the only thing dictating its path.

Did any other celestial bodies experience anomalous movement at the same time? What if a larger (undetected) object was in its vicinity?

It looks like it would be possible to reach it with current technology [1] (It's traveling at only 26.33 km/s (94,800 km/h))

I'd like to see people's guess at the probability it's "just a rock" vs their assessment of how risky it would be to make physical contact with it.

[1] https://en.wikipedia.org/wiki/%CA%BBOumuamua#Hypothetical_sp...
> I'm sorry, but he is right.

That’s like your opinion, man.

You conveniently ignored the continousness of both constructive mathematics and Lie groups.

Did you read the paper on chu spaces and constructive mathematics? What did it say about adjoints?
Enough material here to scare anyone about databases

https://jepsen.io/talks
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Nuclear power unfortunately comes with invisible tail risk. No mathematical model can predict it. Unless power plants are built deep below the ground eventually something will bring the catastrophe.
Are you counting nuclear as renewable then? Not totally off-base since uranium in seawater replenishes at a rate higher than we could ever extract it at world scale for a few billion years.
That is a startup idea I've shelved.
It would allow "pirates only due to laziness" to go "You know, I quite like that show/game, give the creators $5/$10/$20" anonymously.
Of course, this would need to be so easy that someone lazy would still use it at all...
Germany is forbidden by international law from having the processing facilities that could re-enrich the spent fuel to reuse it.
It would only take mainstream media to change the way it portrays nuclear energy and a couple of years.

But yes, you're right.
Can’t you just give them your company email if you’re insistent on joining? I’m sure they’d put a SWE at FAANG in the “has technical chops” bucket.
Why does every Medium article about writing contain multiple, basic grammar and usage errors?
I'm not sure if you meant to reply to me, because every aspect of your post is wrong.

The "squinting at the graph" was assuming that there's a sudden change. I read the paper, and looked up several studies and came to the conclusion that the paper was being misrepresented by the blog text. And I agreed with the headline, but not with the blog text.
Rivers can spontaneously flood, too. And German nuclear plants happen to be located on such rivers. And many of them are first generation LWRs with significant safety issues. The town neighboring one of the reactors producing energy for Hamburg has for some unknown reason the world's highest rate of child leukemia.
Do you know what electric stabilising is? It's mostly there to keep the frequency stable. Nuclear is for base load power.
As of the latest versions of .net core, it's definitely faster than Java and it's not even a contest. Oracle is asleep at the while and the new version of Microsoft is pushing C# and .net much harder.

https://benchmarksgame-team.pages.debian.net/benchmarksgame/...
How is a bigint not an actual integer? If you mean restricting it to a certain number of bits - there are many other languages avoid exposing the low-level system details like that. Python and Ruby are two easy examples, and I'm sure there are many more.
really this: http://mragheb.com/NPRE%20402%20ME%20405%20Nuclear%20Power%2...
Shouldn't this be called either "arbitrary size integers" or "arbitrary precision integer arithmetic"?

Integers by definition already have infinite precision...
or just below ground : http://mragheb.com/NPRE%20402%20ME%20405%20Nuclear%20Power%2...