This account is being kept for the posterity, but it won’t see further activity past February.

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Joined 3 years ago
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Cake day: April 9th, 2021

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  • Lvxferre@lemmy.mlto4chan@lemmy.worldA math lesson from 4chan
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    6 months ago

    That’s surprisingly accurate, as people here are highlighting (it makes geometrical sense when dealing with complex numbers).

    My nephew once asked me this question. The way that I explained it was like this:

    • the friend of my friend is my friend; (+1)*(+1) = (+1)
    • the enemy of my friend is my enemy; (+1)*(-1) = (-1)
    • the friend of my enemy is my enemy; (-1)*(+1) = (-1)
    • the enemy of my enemy is my friend; (-1)*(-1) = (+1)

    It’s a different analogy but it makes intuitive sense, even for kids. And it works nice as mnemonic too.





  • Most “rules of thumb” become awful advice when used indiscriminately.

    People assign slightly different meanings to the same words. You need to acknowledge this to understand what they say.

    Words also change meaning depending on the context.

    When you still don’t get what someone else said, it’s often more useful to think that you’re lacking a key piece of info than to assume that the other person does.

    Hell is paved with good intentions. This piece of advice is popular, but still not heard enough.

    Related to the above: if someone in your life is consistently rushing towards conclusions, based on little to no information, minimise the impact of that person in your life.

    Have at least one recipe using leftovers of other recipes. It’ll reduce waste.

    Alcohol vinegar is bland, boring, and awful for cooking. But it’s a great cleaning agent.

    Identify what you need to keep vs. throw away. Don’t “default” this indiscriminately, analyse it on a per case basis.

    The world does not revolve around your belly button and nature won’t “magically” change because of your feelings.

    You can cultivate herbs in a backyard. No backyard? Flower pots. No flower pots? Old margarine pot. (Check which herbs grow well where you live.)





  • Mine are “lol” and “lmao”. I get what they originally meant, and I get why most people use them nowadays. It’s just that they often signal “I have nothing to contribute, but still expect people to read my crap”.

    As a second (third?) place, “WYSIWYG”. If you’re going to coin such verbose acronym, might as well sub it with an actual word, like, dunno, “transparent”.







  • Let’s go simpler: what if your instance was allowed to copy the fed/defed lists from other instances, and use them (alongside simple Boolean logic plus if/then statements) to automatically decide who you’re going to federate/defederate with? That would enable caracoles and fedifams for admins who so desire, but also enable other organically grown relations.

    For example. Let’s say that you just joined the federation. And there are three instances that you somewhat trust:

    • Alice - it defederates only really problematic instances.
    • Bob and Charlie - both are a bit prone to defederate other instances on a whim, but when both defed the same instance it’s usually problematic.

    Then you could set up your defederation rules like this:

    • if Alice defed it, then defed it too.
    • else, if (Bob defed it) and (Charlie defed it), then defed it too.
    • else, federate with it.

    Of course, that would require distinguishing between manual and automatic fed/defed. You’d be able to use the manual fed/defed from other instances to create your automatic rules, to avoid deadlocks like “Alice is blocking it because Bob is blocking it, and Bob is blocking it because Alice is doing it”.