dumah

9 ms·

61.
by dumah 2y ago
They definitely wouldn’t work because we have strong evidence that relativity is a more accurate theory and significant evidence that either gravity does not obey an inverse square law or our estimation of the distribution or nature of dark
62.
by dumah 2y ago
FOREX volume is almost 10% of annual global GDP _per day_. This trading is overwhelmingly unrelated to trade in goods or services, or the movement of wealth with much permanence.
63.
by dumah 2y ago
FTX creditors would like to have a word with you.
64.
by dumah 2y ago
We don’t need a statement of intent because we have historical records of their work process simultaneously using both TV and computer displays.
65.
by dumah 2y ago
The US Government formerly fixed gold prices by statute and prohibited US citizens from owning or trading gold anywhere around the world. The idea such a system could function in todays world is strange to me.
66.
by dumah 2y ago
Being undeniably soulless and dishonest is still major progress from powering anti-Semitic political campaigns, world war 2, and the Holocaust. https://jweekly.com/2006/12/01/financing-of-racist-anti-semi...
67.
by dumah 2y ago
I take your point but corrosion-resistant metals such as Aluminum, Titanium, Weathering Steel and Stainless Steel don’t avoid corrosion entirely but form a thin and extremely stable corrosion layer (under the right conditions).
68.
by dumah 2y ago
Using Razer as an example, the full size keyboard is 6 inches wider than a 60%, and 3.5 inches larger than the 80%. You said 2 inches but it’s actually half the width of a 13” laptop. I can fit a compact keyboard and a trackpad in the size
69.
by dumah 2y ago
“I ask: in case I ever get my hands on millions in cash, what is my plan for using it?” The question wasn’t how the Spanish Anti-Fraud chief would launder. A number of high-profile acts in the US have had managers convicted for this in conn
70.
by dumah 2y ago
Some Protestants hold that Catholicism is not a sect of Christianity due to a number of beliefs, such as the different requirements for salvation. I don’t know how common this belief is in the US but I personally have encountered a number o
71.
by dumah 2y ago
Most Americans (62%) have European ancestry. You are listing the most frequent origins of immigrants to America as of 2024. I’m not sure how this is relevant to the prior discussion. https://www.census.gov/library/stori
72.
by dumah 2y ago
The joke is that Sol is a gravitationally confined thermonuclear reactor.
73.
by dumah 2y ago
I don’t know exactly what the right regulation would look like to restrict this specific kind of activity, but I don’t have a problem, in principle, with such regulation.
74.
by dumah 2y ago
Black-Scholes assumes constant volatility and cannot compute option prices without a volatility input. This volatility is backed out of nearby options prices, often using the formula for European options. There isn’t any purely theoretical
75.
by dumah 2y ago
As of 11 months ago, Fidelity had marked down their stake by 71%. As of now, it’s 80%. Are you saying that your threshold for “serious” is more than a 71% loss of value? These losses are squarely in the territory of those who are commonly l
76.
by dumah 2y ago
Sports betting is a negative EV zero-sum game motivated by an addiction, for a significant fraction of the population. Investment in equities is principally a non-zero-sum positive EV game motivated by rational expectations for preservation
77.
by dumah 2y ago
https://github.com/apache/arrow/issues/34738 https://lists.apache.org/thread/lk277x3b9gjol42sjg27bst2ggm5...
78.
by dumah 2y ago
Netflix serves over 40,000 hours of video in more than 100 encodings. Source files are high quality and can reach terabytes per hour of bitrate. Source data must be retained for re-encoding. Encoding is adaptive to scene. The ETL can genera
79.
by dumah 2y ago
Emulating the rolling code protocol would desync your keys. What ever device you’d want to use as a backup would need to capture information sent from the vehicle during the last unlock.
80.
by dumah 2y ago
Sodium Acetate is an interesting chemical - it’s also effective at improving the hydraulic properties of concrete. https://scholar.google.com/scholar?hl=en&as_sdt=0%2C33&q=sod...
81.
by dumah 2y ago
The physical environment these weapons were designed for is extreme and only possible to simulate piecemeal. Each stage needs to function in the presence of nearby nuclear detonations, resulting from both adversary and friendly weapons. The
82.
by dumah 2y ago
No, super-criticality occurs in a nuclear reactor when ever the neutron population is increasing. You might be conflating that condition with prompt criticality.
83.
by dumah 2y ago
In the case we are considering, it doesn’t, but it could with other materials. Consider that the wavelength of the neutron is a function of its energy, and that the cross sections for interaction between nuclei and neutrons are strong and c
84.
by dumah 2y ago
Cython implements a C api for accessing the underlying data structure. Arrays implement the buffer interface so they can be used efficiently with tools like numpy.
85.
by dumah 2y ago
A performant table data structure with powerful and convenient syntax for interaction is one great feature Q has that Python lacks.
86.
by dumah 2y ago
3. The memoryview interface is often a good solution.
87.
by dumah 2y ago
You didn’t learn Q in two weeks to the extent that you are qualified to assert that someone who knows how to use a Python IDE is more productive than a quant dev with decades of experience. I find it much more likely that you couldn’t under
88.
by dumah 2y ago
Timezone, not the offset, should generally be stored. Offsets rotate throughout the year. If you store only the offset, you can’t necessarily apply a delta to the time and localize it to the origin locale.
89.
by dumah 2y ago
On Naval deployments, it’s common for mechanics, who are planning on proposing or are engaged, to file nuts into pairs of wedding bands. This can take weeks or months, depending on the material and method. Since there are nuts available fro
90.
by dumah 2y ago
Round parachutes are typically deployed with a static line and open very quickly, resulting in significantly higher acceleration. Ram air parachutes can effectively open in a more gradual manner due to the cellular design.

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