7 Matching Annotations
  1. Last 7 days
    1. Arrays are not sets. Trying to treat them as if they are is an error, and will create subtle problems. What should be the result of the following operations? [1, 1] | [1] [1] | [1, 1] Of course, there are more interesting examples. These two are to get you started. I don't care what the results currently are. I don't care what you think they should be. I can present extremely strong arguments for various answers. For this reason, I believe that #| is an ill-defined concept. Generalizing an ill-defined concept is a world of pain. If you insist on treating objects of one class as if they were members of a different class, there should be bumps in the road to at least warn you that maybe this is a bad idea. I'm not going to argue that we should remove or deprecate #|. I don't think of myself as a fanatic. But encouraging this sort of abuse of the type system just creates problems.
  2. Nov 2019
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  3. Oct 2019
  4. Mar 2019
    1. remove aset.remove(item) Removes item from the set

      There's also .discard(item) which does the same as .remove(item) except for one thing. It does not raise an error if the item is nonexistent.

    2. Removes an arbitrary element from the set

      And returns that value

  5. Dec 2018
    1. Girls, even when their abilities in science equaled or excelled that of boys, often were likely to be better overall in reading comprehension

      What does this say about different skill sets? Is this biological or genetic, or is it just conditioned?