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Cake day: June 24th, 2023

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  • No, even if you only had one unit for a physical quantity, you would still need to specify that unit to know which physical quantity you are describing. E.g. “That object over there is 15” vs “That object over there is 15 kg”.

    The symbol for temperature, measured in Celsius, is “°C”. It’s atomic and can’t be separated, since that would result in °, which represents the angle of something, not the temperature, and C, which is the symbol for Coulomb, which measures electric charge.





  • Comment should describe “why?”, not “how?”, or “what?”, and only when the “why?” is not intuitive.

    The problem with comments arise when you update the code but not the comments. This leads to incorrect comments, which might do more harm than no comments at all.

    E.g. Good comment: “This workaround is due to a bug in xyz”

    Bad comment: “Set variable x to value y”

    Note: this only concerns code comments, docstrings are still a good idea, as long as they are maintained