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danlistensto's profile
Dan listens to rain falling on the rooftop
Dan listens to rain falling on the rooftop
Dan listens to rain falling on the rooftop
@danlistensto

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Dan listens to rain falling on the rooftop

@danlistensto

Moloch's janitor

Joined August 2014

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    1. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

      this is a very brief thread about book shelves

      2 replies 2 retweets 2 likes
      Show this thread
      Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

      to get it out of the way first, spine-in for all of the books on your shelf is a dystopian nightmare and you should all carefully re-evaluate all of the choices you've made that has led to this situation

      2:46 PM - 11 Jan 2018
      • 1 Retweet
      • 1 Like
      • undiscovered artifact R_Ganesh
      1 reply 1 retweet 1 like
        1. New conversation
        2. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          also this ought to be said right awaypic.twitter.com/gMf1DVbm1N

          1 reply 0 retweets 1 like
          Show this thread
        3. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          now then, let's talk about models for book shelves. I don't mean actual pieces of furniture I mean abstract models and their intersection with physical systems (aka furniture)

          1 reply 0 retweets 1 like
          Show this thread
        4. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          model #1: the archive categorized, sorted, indexed

          1 reply 0 retweets 1 like
          Show this thread
        5. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          pros of the archive: - easy to find a book if you know how to find it's index (O(log n) gets) - dense, efficiently uses available shelf space - orderly, encourages rigorous mental habits

          1 reply 0 retweets 1 like
          Show this thread
        6. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          cons of the archive: - inefficient to insert a new book (O(n) puts) - low browsability. hard to find a book if you don't know it's index - fragile. does not survive contact with 10 year old nephews

          1 reply 0 retweets 1 like
          Show this thread
        7. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          model #2: the lending library take-a-book/leave-a-book, sparse and unordered shelves

          1 reply 0 retweets 1 like
          Show this thread
        8. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          pros of the lending library: - high browsability, encourages exploration and discovery - is a social game as well as a book storage system - efficient to insert a new book (optimistically O(1) puts) - sparse shelves also very good tchotchke storage space

          1 reply 0 retweets 1 like
          Show this thread
        9. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          cons of the lending library: - inefficient to find specific books (pessimistically O(n) gets) - requires community trust and participation, can be exploited by antisocial jerks

          1 reply 0 retweets 1 like
          Show this thread
        10. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          model #3: the stack literally a stack of books, in LIFO order, cuz it's a stack

          1 reply 0 retweets 1 like
          Show this thread
        11. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          pros of the stack: - requires no furniture - relatively high browsability, can view entire stack with minimal effort, and don't even have to tilt your head to read the spine - frees your mind from the petty concerns of anything besides temporality

          1 reply 0 retweets 1 like
          Show this thread
        12. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          cons of the stack: - difficult/precarious to take a book from anywhere except the top of the stack - extremely embarrassing

          1 reply 0 retweets 1 like
          Show this thread
        13. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          model #4: anti-fragile shelving like the archive, but books are not sorted or indexed, but rather placed on sparse shelves by category alone

          1 reply 0 retweets 1 like
          Show this thread
        14. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          pros of anti-fragile shelving: - relatively efficient to find specific books (tightly bounded O(n), i.e. n restricted to small values) - relatively efficient to shelve new books (optimistically O(1)) - strongly resists 10-year old nephews, arguably improved by it

          1 reply 0 retweets 1 like
          Show this thread
        15. Dan listens to rain falling on the rooftop‏ @danlistensto Jan 11

          cons of anti-fragile shelving: - less dense then archive, shelves fewer books per unit volume - requires coming up with useful categorization schema which varies over time and sometimes needs to be reset and reshelved

          0 replies 0 retweets 1 like
          Show this thread
        16. End of conversation

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