https://www.goodreads.com/author/show/25307.Robin_Hobb

Michael Spivak, in Calculus (3rd ed p. 301) considers the unit choice to be a property of the function and initially defines sin° and sinʳ (before settling on sin meaning sinʳ) and considers “sin x°” and “sin x radians” to be misleading, saying that ‘a number x is simply a number—it does not carry a banner indicating that it is “in degrees” or “in radians”’. I don’t really understand this argument, since in science and engineering we constantly carry units around with our quantities.

Comments URL: https://news.ycombinator.com/item?id=49369408

Points: 352

# Comments: 216

https://www.youtube.com/watch?v=XrZPLF0ezw8nn

The problem states “She _is_ twice as old as Ann was”, not “She _was_ twice as old as Ann was”.

> "I think it's perfect for us, because we can just focus on doing our inspired weird games, and not worry about how we're going to get our next deal. We aren't chasing down our next funding and thinking about how many more months of funding we have all the time."

https://gameinformer.com/2019/06/23/tim-schafer-on-microsoft...

Every actor in Swift conforms to the Actor protocol, which has one requirement: an instance property named `unownedExecutor`. Swift uses this property implicitly when, for example, the program calls a method on the actor from outside the actor.

https://developer.apple.com/documentation/swift/actor/unowne...

(One could also argue that, because every actor type is a reference type, every actor also has its identity as part of its state.)

Given that Apple has been making its own CPU cores for years now, I suspect overflowing checking on Apple CPUs is virtually free (aside from code size).

> Use your language’s type system to parse unstructured inputs.

We don’t use the type system to parse. We use the type system to provide evidence (also called a proof or a witness) that parsing was successful, and we rely on the language’s access control facilities (public/private) and the soundness of its type system to prevent fabrication of false evidence.

Regardless, both kinds of search are O(log N) with different constants. The constants don’t matter so much in algorithms class but in the real world they can matter a lot.

Sure, get rid of the Magic Keyboard with its unnecessary trackpad. But bring back the Smart Keyboard Folio. It was a delight.

    Button(“Click Me”) { buttonWasClicked() }