FabHK

32 ms·

661.
by FabHK 2y ago
1. Moving stuff in a ledger from A to B (sending money around in general) is all fairly trivial from a technology standpoint, but only a minuscule part of what financial institutions are doing. They spend a lot of money and effort on combat
662.
by FabHK 2y ago
It is generally the antonym, in technical contexts, to "lazy", as in "lazy evaluation" etc.
663.
by FabHK 2y ago
Calories are not metric. Joules are. 1 MET = 4184 J/(kg hr), and, since a joule is a kg m/s^2, 1 MET = 1.162 m^2/s^3
664.
by FabHK 2y ago
I think you’re reading it wrong. Say a foreign law enforcement entity is investigating Mr X, and asking a domestic authority for some information on Mr X. The treaty says that generally speaking, the domestic authority should provide such a
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by FabHK 2y ago
Eigenvectors characterise a linear transformation by answering a simple question: What lines map to themselves after the transformation? Say for example you rotate something in 3D. The rotation axis remains unchanged. That's an eigenve
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by FabHK 2y ago
Speed is thrice, thus modifier = 2, or so. Look, this is peanuts compared to everyday consumption by the world. > We should be aiming for the absolute minimisation of fossil fuels. Should we? We could easily do that. Just stop cars and b
667.
by FabHK 2y ago
Then let's remove air conditioners and windshield wipers from cars. People will drive less. Mission accomplished!
668.
by FabHK 2y ago
True. Next, don't forget that airplanes cover about 3x the distance as cars per hour. So, per mile they are on par with bad cars, and about 2x normal cars.
669.
by FabHK 2y ago
Look, go ahead and increase fuel taxes. If you reduce car fuel consumption by just 1%, but this company succeeds and quintuples (!) the fuel consumption by piston engine planes, the environment still comes out ahead. Flying is a tiny envi
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by FabHK 2y ago
Don't confuse gallons per hour with gallons per mile.
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by FabHK 2y ago
So, reducing car emissions by a just 1% would be way better for the environment than entirely removing all piston engine aviation. There are about 15m cars sold in the US every year, but around 1500 piston engine planes. That's a facto
672.
by FabHK 2y ago
A Diamond DA40 does around 28 miles per gallon (< 9 litres per 100 km) at 60% power cruise (5.1 gallons per hour at 124 knots). Sure, more than a car, particularly if you add takeoff and landing (though also note that in a plane you can
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by FabHK 2y ago
It's not quite as bad. The Cirrus SR20 and the Diamond DA40 are basically from around 2000, the Tecnam P2010 is from 2011 (all fully certified).
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by FabHK 2y ago
Japan has been fighting with deflation for a long time, and kept rates extremely low as a consequence, and also engaged in QE.
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by FabHK 2y ago
For statutory health insurance in Germany, what you pay is tied to your income, not to the cost of health care or your risk (age etc.).
676.
by FabHK 2y ago
First, the increase in the McD burger price over those 7.5 years constitutes around 4% p.a. That's certainly not great, and twice the usual inflation target, but not catastrophic. Second, there was no "out-of-control" money p
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by FabHK 2y ago
> the industry was selling 10x the number of GA planes it does today, so I imagine 10x more were flying as well. I'm pretty sure most of these planes from the 1970s are still merrily flying around! The wikipedia article on the 1994
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by FabHK 2y ago
> GA planes give you no warning that you're in a skid. "The ball" will show you that you're in a skid. https://en.wikipedia.org/wiki/Turn_and_slip_indicator
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by FabHK 2y ago
GA planes have a stall warning horn (based on AoA). They just generally don't have a AoA indicator (though that might be a good idea indeed), relying on indicated airspeed instead, which (for given airplane mass) has a one-to-one [1] m
680.
by FabHK 2y ago
The excellent Language Log blog has a whole series of articles about the "Eskimo words for snow" myth: https://languagelog.ldc.upenn.edu/nll/?p=3497 https://languagelog.ldc.upenn.edu/nll&#x2
681.
by FabHK 2y ago
The path you describe is so realistic. Facebook will leave the AppStore. Grandma can’t find Facebook anymore on her new iPhone, and will google “how to install Facebook on iPhone”. Thousands of websites will SEO for that, and give instructi
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by FabHK 2y ago
In particular, the expectation (or variance) of a real-valued random variable can also be seen as "a real-valued number you can associate with a probability distribution". Thus, GP's statement is basically: "entropy is l
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by FabHK 2y ago
So, let's look at what actually happened. Boomer Bill Clinton signed the Internet Tax Freedom Act into law in 1998, prohibiting taxation of internet sales to support the growth of commerce on the internet (which itself was invented by
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by FabHK 2y ago
Only in some jurisdictions. Wikipedia: > In the United States, the fee averages approximately 2% of transaction value.[2] In the EU, interchange fees are capped to 0.3% of the transaction for credit cards and to 0.2% for debit cards, whi
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by FabHK 2y ago
Nakamoto consensus (the combination of longest chain rule for consensus and PoW for sybil resistance) was a minor innovation in distributed computing, specifically state machine replication. That had previously been solved in the late 1990s
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by FabHK 2y ago
Yes, it's a cube with sides of just a touch more than 2m (7ft). Remarkable.
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by FabHK 2y ago
You can enable multi device, and have it on multiple devices, then disable it (and keep it on multiple devices - it's just that then adding yet another device needs toggling multi-device on from an existing device, a confirmation SMS i
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by FabHK 2y ago
You can enable multi device, and have it on multiple devices, then disable it. https://authy.com/blog/understanding-authys-multi-device-fea...
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by FabHK 2y ago
1 + (-0.1) = 0.9 (2e)^(-0.1) = 0.844243... The former is not <= the latter.
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by FabHK 2y ago
Not really. Your equation has no unknowns, but if you consider the "e" in your equation as the unknown, and solve it (here I use "a" instead as the unknown, and use "e" in its usual meaning): We want a^(i pi) +

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