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psud

@ psud @aussie.zone

Posts
1
Comments
1321
Joined
3 yr. ago

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  • That speed of causality is usually at least 3 times better than you can get in real life

    You get 300 million metres per second in light (including radio in free space) so wifi to your laptop is at that speed

    A wave in wire (eg ethernet over cat6 cable) is seldom better than 0.9c

    Laser light in an optic fibre (how almost all data moves long distance) is about 200 million metres per second as it follows a zig zag path in the fibre reflecting off the walls of the fibre

    The future promise of starlink – where your connection goes to a satellite then to another and another satellite until being down linked to the server farm hosting the content – should provide much lower latency

  • The devil said, “Take this glyph-laden grimoire and try to render it cross-platform.”

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  • I have experience from old internet services like IRC where ASCII art was popular, and sometimes you'd need to widen your IRC window to see a thing.

    Landscape is analogous to that

  • Anatomy

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  • Because they were illustrating the leg muscles, and the rest was mostly just a sketch to fill out the picture

  • ErikMcClure/bad-licenses: A compendium of absurd "open-source" licenses.

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  • Be Gay Do Crimes licence - seems to be good for gay people who live where being gay is a crime, unless one wishes not to out themselves by their choice of licence

  • The devil said, “Take this glyph-laden grimoire and try to render it cross-platform.”

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  • Works fine on boost for me, in landscape

  • Most programmers just google it anyway

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  • I asked gpt for code to aim a heliostat

    It needed a module to get the sun's position, it used sun::alt:: azimuth which doesn't exist rather than Astro::Coord::ECI::Sun

    It needed a module to calculate mirror angle between the Sun's altitude and azimuth and the target altitude and azimuth. It left that commented out rather than selecting the altitude halfway between Sun and target and azimuth between Sun and azimuth

    It turns out there's precious little on the internet on how to aim a mirror, partly because it's not popular, partly because it's dead simple

  • Junior Prompt Engineering

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  • I'm a systems analyst, or in agile terminology "a designer" as I'm responsible for "design artifacts"

    Our designs are usually unambiguous

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  • Did the new changes affect the suicide rate?

  • Bingo of crappy IT processes

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  • They worked well for us, we were updating a big system or adding functionality to it and a lot of the features were similar enough that we could reliably break the work down to sub-single sprint chunks and assign consistent story points to them

    Though I have only been in one team that lasted more than 3 sprints relatively intact, and it's only that team that got good at story pointing work

  • Bingo of crappy IT processes

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  • I try really hard when I'm in a scrum master position (my position is pretty chaotic, 20k person organisation, scaled agile, "we need your x skills this program increment, please would you?") to hide my team's individual performance from management. Mostly because your can't compare a system analysts numbers to a mainframe programmer to a mid-range programmer, but also if someone's not pulling their weight I want to solve the problem within the team where we can approach it as equals before resorting to management "performance review" systems.

  • Bingo of crappy IT processes

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  • The idea with story points is you assign them consistently, so the team's velocity is meaningful.

    One team might deliver 30 points in a sprint while another delivers 25 and they deliver the same amount of work

    Of course management want to be able to use story points for tracking, they want to compare teams using them, so you end up with formulas for how many points to assign

    Of course if they score you on points, they get more points, not more work and story points become useless

  • Bingo of crappy IT processes

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  • The estimate is not a promise, it's a guess. I prefer to estimate in sprints because that's about the resolution we can have confidence in, but management want hours so my process is to estimate the number of hours in a sprint (73.5 for us) plus one sprint

    200% overruns are common, especially when requirements change significantly

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  • Kangaroos form two sorts of groups

    1. Like most herbivores, they have one male and many females in a mob (kangaroo equivalent to a herd)
    2. Males outside that mob form loose groups for defence and within that they fight to establish dominance and the top roo may challenge the male lead of a mob to take it over
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  • That's a Reddit channel, I downloaded the full lot

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  • I am mildly allergic to dairy, so as a kid I had soy milk. I hated that stuff

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  • I used to do that in the swimming pool (I have always lived far inland) it's often called dangerous on the mistaken belief that it's like shallow water drowning where someone hyperventilates to swim underwater longer; since those people have blown off so much CO2 they don't get a signal to breathe and suffocate.

    Our method doesn't involve hyperventilation, and wow does the need to breathe get strong

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  • No homo, but the H is for homo

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  • Evolution isn't aimed. A T-Rex needs to be good enough to hunt enough food.

    Our ancient ancestors smashed the skulls of animals killed by African predators to eat the brains, smashed bones to eat the marrow.

    Later as our ancestors became bigger and stronger they hunted and needed to communicate with each other to effectively track and take down an animal. Maybe they needed twenty words. Chickens have three words (or cluck patterns)

    At the same time women collected stuff and needed to share how to identify this from that with younger women. They might have needed a hundred words.

    Then those who could talk better were more attractive to the other sex than those who couldn't (even now being well spoken is attractive) then a few millions of years later we're making stone knives, hammers, axes; then ten minutes later aeroplanes and machine guns

    In short: we had it hard enough we needed to share information. We later found communication sexy. T-Rex had no such trouble. We seem to be the only animal that solved "scavenging is dangerous" and "hunting is hard" with talking to each other rather than by getting bigger and getting claws or vicious teeth

    I understand we selected for tall by fighting humans

  • Physicists vs Normal People

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  • Brake, not break