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Cake day: June 10th, 2023

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  • Batteries have both electron capacity (cumulative) and current capacity (rate) ratings. The chemistry and size determine how many electrons (aka Amperes times hours) can be stored, and the conductor sizes (including within the cells) determine how quickly it can be charged or discharged in sustained operation (without permanent damage).

    A car battery can be shorted with a screwdriver and discharged at a high current, but only for a short time without damage to the cells. A 100Ah car battery can supply rated current for roughly twice as long as a 50Ah battery.

    Sometimes people call these ratings energy and power ratings by multiplying each by rated voltage, but the voltage does vary with charge state and rate of current flow so those “ratings” are rather approximate.




  • For those not in the know… PDF is a particular set of conventions for delivering peograms written in a programming language called “Postscript”, and like all programs they can be hijacked to trigger unexpected results, including the delivery of software viruses. And yes, while those programs run in “sandboxes” that are supposed to prevent propagation of harm, such environments can fall in that purpose due to creative triggering of imperfections in the sandbox code by the “contained” Postscript code.

    Hence, quotes are used to convey lack of trust in the claim of safety.


  • Boss has different people for different functions within the company. A monoculture is more susceptible to systematic flaws, but it is also less expensive to maintain. It is not OPs place to decide how the company manages is computing facilities, so if WSL or Cygwin are not accepable compromises (OP and company have to both agree) then OP has to decide whether they are willing to go along with Windows or find another job.

    Something to talk about during the exit interview anyway.