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mkwt

@ mkwt @lemmy.world

Posts
2
Comments
459
Joined
3 yr. ago

  • Still valid

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  • Yeah, the damage curve is exponential by axle weight.

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  • This could be a nice lesson about the taxicab metric and the Euclidean metric, but that doesn't seem like the intention.

  • It's midnight, time for shitposting

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  • A spinning circle requires just two threads, one to do the work and one to spin the circle. And they don't have to talk to each other.

    A progress bar is the same thing, but now the work thread has to periodically communicate the progress to the bar thread, and inter-thread synchronization has to be setup. And how do you know how much progress a single file transfer represents? Or how many progress points is a registry edit versus a file transfer? It's hard to figure out in advance, which is why so many progress bars are shitty estimates of progress.

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    cppIsntMuchFaster

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  • And I'm still getting at least 20x speedup on my applications. I don't know where this 0.001 stuff is coming from.

  • Trump says it’s ‘treasonous’ to say US not winning war in Iran

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  • No, I'm quoting the Constitution because it means something to me, and maybe to you as well. I'm not talking to them.

    "They" will only accomplish their goals when enough regular people go along with it. Conversely, the Constitution will continue to have meaning as long as enough regular people are still invested. Despite some serious cracks and strains, it is holding up so far. I hope it continues to do so.

  • Trump says it’s ‘treasonous’ to say US not winning war in Iran

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  • Treason against the United States, shall consist only in levying War against them, or in adhering to their Enemies, giving them Aid and Comfort. No Person shall be convicted of Treason unless on the Testimony of two Witnesses to the same overt Act, or on Confession in open Court.

    • Constitution. Article III, section 3.

  • That'll show em

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  • "Perhaps some time in the pattern buffer will mellow you out."

  • Featured Locked

    TIL about Detroit Electric

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  • Without the monocoque, I doubt it can pass modern crash safety tests. Nor is there any safe place to install air bags.

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  • possibly the worst Supreme Court decision ever handed down

    Perhaps, but you're going up against the classics. Dred Scott. Plessy v. Ferguson. Korematsu.

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    Louisiana GOP passes bill to keep elected Black New Orleanian from taking office

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  • The legislature is changing the law to eliminate the entire public office before the election winner can be sworn in.

    The political dynamics are that the state legislature is controlled by the (largely white) Republican party, while the electorate of Orleans Parish tilts to the Democratic party, largely on the support of black citizens.

    This amendment to state law only affects the structure of elected offices in Orleans Parish, and not any other part of Louisiana.

  • Trump's 'gold card' visa starting at $1 million granted to just 1 person so far, White House says

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  • The types of visas that are available and the rules for them are set by laws passed by Congress. Trump doesn't have the power to just unilaterally create a new visa category. So if you look at the fine print, this is actually some other already existing category that allows the president to admit individuals at discretion, and the fee is just a donation to the US Treasury. That's also why it's not racking up a bunch of court challenges.

  • rust blasphemy (added context)

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  • I've done professional work on an old Unix system where the full build was more than 2 hours, and an incremental stop-rebuild-restart cycle was 20 minutes.

    You get to where you really stare at your edits for a while before you hit build.

  • rust blasphemy (added context)

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  • That's an implementation-defined behaviour.

  • Nintendo sued by players who say they should get any tariff refunds received by the US government

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  • The logic is real "dumb" or simple. The company that paid the tariff gets the refund.

    Tariffs are paid at the port of entry and before you are allowed to physically get the goods out of the port. So the payer is not always the manufacturer. Sometimes it's an importer or middleman. Sometimes a retailer. It could be you if you shipped in a package from overseas.

  • US DoJ launches investigation into Southern Poverty Law Center

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  • Curiously enough, SPLC was known to pass tips they learned from their spying ops to the FBI until Kash Patel shut that down recently.

  • US DoJ launches investigation into Southern Poverty Law Center

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  • More than an investigation, there's now a criminal indictment that alleges that SPLC, Inc. defrauded their donors when they paid undercover informants to infiltrate racist and extremist groups. The theory of the case is that SPLC was actually assisting and aiding these racist groups, contrary to SPLC's public positions, by doing things like paying membership dues on behalf of their undercover informants.

    There are also money laundering charges on the basis that SPLC deliberately misstated the purpose of funds when they were transferring money over to the undercover infiltration side of the operation. Because, maybe, you know, they were trying to be under cover about it.

  • Vance calls end of Ukraine aid 'one of the proudest' achievements of Trump administration

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  • You mean the "aid" where we dump off our old military equipment and don't have to pay to dispose it any more? That aid?

    Or is it just the regular aid, where Congress cuts some fat checks to Northrup, Lockheed, and General Dynamics, and all that money circulates inside the United States?

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  • The capsules can do a water splashdown with parachutes alone.

    The capsules that land on land all seem to have some additional system to slow down in addition to the parachute. Boeing Starliner has airbags that deploy around and below the heat shield. Soyuz has a braking rocket system that fires immediately before impact.

  • Any tech wizards available know how to boot a F-35 into Safe Mode? Speedy replies appreciated

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  • This doesn't happen "on a distro" because all of the different software functions are at different safety criticalities. The autopilot is (usually) level B, the air data system that delivers altitude and airspeed is level A, the navigation computer is level C (because pilots can still navigate without the aid of the computer). And so on.

    At level C, the standard is statement coverage with unit tests. At level B, it's decision coverage, covering every branch. And at level A, it's modified condition / decision coverage, which is a lot more complex and expensive to write.

    If you mix code for stuff at different levels, you have to develop the whole package to the highest level. Unless you can prove that the lower level code can't interfere with the higher level code.

    The easiest way to prove that is to put the different levels into different computers, so they're only talking to each other on some digital bus interface. That's called "hardware partitioning". There's also "software partitioning", but it requires an operating system or supervisor layer to provide the guarantees, and that operating system has to be developed to the highest safety level that it handles.

    Final result: you still see a lot of discrete computer boxes on airplanes. Various vendors have developed safety-critical OSes for main avionics computers, but they're closed-source, and usually not based on Linux at all.