azernik

35 ms·

451.
by azernik 5y ago
Emmm. Most of this is from my college courses, with Wikipedia for recalling names and dates. From a quick Googling, this seems like a good overview: https://core.ac.uk/download/pdf/147642277.pdf If you're int
452.
by azernik 5y ago
For global warming purposes, I'm personally okay with local ecological disruptions from hydro.
453.
by azernik 5y ago
Germany is actually a very illustrative example. They started remilitarization in earnest in 1933, Britain and France started around 1936, and those few years of head start let Germany trounce everyone around for the first few years of WWII
454.
by azernik 5y ago
Revolutions are not as effective as they claim at overturning the basic structure of society - not without some very serious application of coercion at a grassroots level. For the Mexican case specifically, the revolution did not replace th
455.
by azernik 5y ago
Interestingly, the images came from the Dark Energy Survey [1], which for entirely different different reasons is running a very sensitive and high-resolution scan of the sky in visible and near-infrared. This just happened to show up in a
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by azernik 5y ago
Still definitely not worth it for something so small, though!
457.
by azernik 5y ago
The usual way I explain it is as a transfer of kinetic energy and momentum from the large body to the small one. The interaction is through gravity, rather than the mix of electrostatic, degeneracy, and strong/weak forces involved in c
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by azernik 5y ago
For comparison, that's about 10% of the Moon's diameter, i.e. 0.1% of its volume. (The mass ratios are probably within that 0.1% ballpark, but can't tell for sure until we know more about its composition.)
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by azernik 5y ago
NASA and the Soviets didn't need any wonder materials, just airbags. (Though they did a lot of braking first - either with the atmosphere for NASA at Mars, or with thrusters for the Soviets at the Moon.)
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by azernik 5y ago
It can reduce the delta-V requirements, though - by the same principles as a gravity assist, a capture burn (especially into a loosely-bound planet-centric orbit) often takes less work than burning into the equivalent heliocentric orbit o
461.
by azernik 5y ago
And more importantly, the income you get from accepting bribes needs to be reported and taxed.
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by azernik 5y ago
> Sure, but which technology should USA reproduce. Just chips, and then be late on everything else? Whichever ones are essential to national security. The ability to manufacture local, trusted hardware is important for military purposes,
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by azernik 5y ago
Palm Springs? Yeah. The Inland Empire? Eeeeeh. The LA Basin, OC, and San Diego? No. Their temperatures are kept much more sane by the ocean, and agriculture is the real problem for the water budget.
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by azernik 5y ago
That's a subsystem with three major sections, a working fluid , and its own heat rejection requirements. A resistive heater contains two parts - a properly placed wire and a switch.
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by azernik 5y ago
That was indeed my point; this started out with someone saying git is bad because rewriting history is bad, and me pushing back on that.
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The M1 Garand's Mysterious 7th Round Stoppage(youtube.com)
3 points by azernik 5y ago|0 comments
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by azernik 5y ago
That is absolutely what it's there for! git blame and git log are extremely commonly used, git bisect is only convenient in a commit history where breakage is uncommon, &c
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by azernik 5y ago
Exactly. You should not commit WIP. By definition the actual history of your work includes WIP, so this means your commit history should not reflect the actual history of your work.
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by azernik 5y ago
1. Waste of code reviewers' time 2. Waste of later coders' time when running git blame on a line when trying to figure out the purpose of code 3. Waste of later debuggers' time when they need to decide whether this error is t
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by azernik 5y ago
Yup, that's the same reason SoMa is at such risk
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by azernik 5y ago
Also as seen in construction - coping with or preventing ground liquefaction under the vibration of an earthquake is a major consideration in foundation design. San Francisco's SoMa district is particularly prone to the phenomenon giv
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by azernik 5y ago
In the Linux kernel mailing lists, which are the submit-by-email culture I'm most familiar with and with the best documentation of norms, the main criterion for individual patches is that they be comprehensible to a reviewer. Reviewers
473.
by azernik 5y ago
Leaving aside the readability and code-review concerns, bisection as a process is supremely painful when you have to separate out your targeted bug from the usual intermittent compilation and runtime issues that show up during local develop
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by azernik 5y ago
Problem is, when you're debugging later on you need to understand what a breaking commit does (or is intended to do) before knowing what it did wrong. Let alone the code review issue. In any multi-person project, it is just as importan
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by azernik 5y ago
Because when debugging with said history a week or a month down the line, or when someone else is debugging with said history, their human comprehension is essential for understanding why a certain event in the history is causing problems
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by azernik 5y ago
Yup! That's a condensed version of a BBC write-up of that first paper I linked. Super influential in the field, but only percolated into popular media in the last decade.
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by azernik 5y ago
Representing the history more accurately is not a useful design goal
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by azernik 5y ago
Note: that's a more accessible podcast/write-up of the paper I linked in my comment as [1]. If people want the denser in (in both good ways and bad) version, look up there.
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by azernik 5y ago
There is! That paper I linked does exactly that. It uses light to illustrate the point because it's particularly easy to calculate the comparative amount of utility per unit of cost regardless of technology, and show how it diverges fr
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by azernik 5y ago
This illustrates a big problem in econometrics, specifically inflation measurement ("price indexes"): when comparing the prices of equivalent (baskets of) goods and services, "equivalent" gets harder and harder to define

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