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rsnous's profile
Omar Rizwan
Omar Rizwan
Omar Rizwan
@rsnous

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Omar Rizwan

@rsnous

the astonishing, unfailing Bell System

Garage G & BART
rsnous.com
Joined December 2010

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    1. Omar Rizwan‏ @rsnous Oct 17

      I'm skeptical of visual programming, especially the most obvious 'blocks instead of text syntax' type. Spreadsheets use a formal, text-based language -- and end users learn spreadsheets fine!

      7 replies 4 retweets 40 likes
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    2. Omar Rizwan‏ @rsnous Oct 17

      Nardi (1993) points out that it's actually pretty rare for people to have issues with the text syntax of spreadsheet formulas: https://books.google.com/books?id=0drDRT370eoC&pg=PA49 …pic.twitter.com/cQXLCsGI7l

      2 replies 0 retweets 17 likes
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      Omar Rizwan‏ @rsnous Oct 17

      Our tools for editing text are pretty good; also, our hardware (keyboards, high-dpi displays) is adapted to it, so it might be a local maximum it's also great that you can edit text 'out of order' & go through invalid states while getting to your ultimate correct program

      5:08 PM - 17 Oct 2018
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      • Pavel Bažant Srini Kadamati Brian T. Rice Max Kreminski Kórédé Shakeel Mahate Tobias Taylor Nifty Tweets
      6 replies 2 retweets 13 likes
        1. New conversation
        2. Omar Rizwan‏ @rsnous Oct 17

          Rather than blindly getting rid of text, make the right formal language and representation for the user's interests. People can be _great_ at learning languages: there's no reason a formal or textual language has to be 'programming' with all its connotationspic.twitter.com/Ud8WByxnX8

          3 replies 1 retweet 10 likes
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        3. Omar Rizwan‏ @rsnous Oct 17

          related is Bret's 'show the data'; block-based 'visual' programming is about showing (the same old) code as blocks, not about 1. showing the data or 2. having a better code for users' interestspic.twitter.com/4eEu4X6Su6

          4 replies 1 retweet 18 likes
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        4. Omar Rizwan‏ @rsnous Oct 24

          also, from the mundane engineering perspective, it's an incredible pain to build a visual environment, compared to just writing a compiler or interpreter routine. huge state space and input space + lots of UI code -> harder to iterate and prototype tool ideas

          5 replies 0 retweets 8 likes
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        5. End of conversation
        1. New conversation
        2. Pavel Bažant‏ @pavel_bazant Oct 27
          Replying to @rsnous

          I agree that editing programs (semi)textually is a more fluid experience which is a good thing. But we should not store programs as text files, as that makes rich hybrid (textual + visual) notations practically impossible to implement!

          1 reply 0 retweets 0 likes
        3. Pavel Bažant‏ @pavel_bazant Oct 27
          Replying to @pavel_bazant @rsnous

          Storing programs as text also makes it impossible to store the intent of the edit actions performed by the user. Collaborative editing and version merging then work poorly as they have to guess the user's intent using heuristics like line-based diff.

          0 replies 0 retweets 0 likes
        4. End of conversation
        1. Pavel Bažant‏ @pavel_bazant Oct 27
          Replying to @rsnous

          The keyboard is an equally efficient input method for blocks. The math formula editor in Lyx is a good example for that -- it is a keyboard-operated structural editor for math.

          0 replies 0 retweets 0 likes
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        1. Pavel Bažant‏ @pavel_bazant Oct 27
          Replying to @rsnous

          Our tools for editing text do much more than editing text. Part of what makes them good (like autocompletion, go-to-definition etc.) actually could work even better in block based languages.

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        1. Pavel Bažant‏ @pavel_bazant Oct 27
          Replying to @rsnous

          Text is a local maximum for low-dpi, non-bitmapped displays. Today we can afford hybrid visual-textual forms of presentation -- that could be the new local optimum.

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        1. Srini Kadamati‏ @SriniKadamati Oct 24
          Replying to @rsnous

          I came here to add this comment about hardware optimizing for certain interaction patterns.

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