ZedneWeb

Dave Menendez’s Personal Web Site

Recent posts

  1. My least favorite phrase in The Adventure Zone

    I really enjoy the McElroy podcast The Adventure Zone, but I don’t always like the way Griffin tells the story. (2017-08-03)

  2. Arrow is more than Strong and Category

    Several people have claimed that Haskell’s Arrow class is exactly the intersection of Category and Strong, but this argument ignores the Arrow laws. I demonstrate a type which is has lawful instances of Strong and Category which cannot be made into an Arrow in a consistent way. (2017-07-18)

  3. 2016: Not entirely bad

    I don’t have much to say about the awful stuff that’s happened this year, so here are some good things that happened to me. (2016-12-31)

  4. Amber alerts and the boy who cried “wolf”

    In principle, alerting people to missing children using cell phones seems like a good idea, but people won’t react well to a jarring alarm in the middle of the night that they can’t reasonably respond to. (2015-02-25)

  5. How Apple secures iMessage

    Apple has explained how iMessage’s design protects your messages from third-parties—even themselves. (2014-03-01)

  6. Hemingway and software-assisted writing

    Two recent apps claim to help improve your writing, but their advice is based on misapplying questionable rules. (2014-02-27)

  7. More on Free Applicative Functors

    Since free applicative functors are free, does that mean they are monads over indexed types? Also, can we squeeze out any more performance? (2013-06-12)

  8. Prompt Monads are Free

    A brief look at Prompt monads, showing that they are free monads, that Prompt is a monad over indexed types, and how it can be used to build composable components. (2013-06-07)

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ZedneWeb is hosted by The Eyrie, a repository of Internet fiction (among other things).