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danluu's profile
Dan Luu
Dan Luu
Dan Luu
@danluu

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Dan Luu

@danluu

https://patreon.com/danluu 

danluu.com
Joined December 2008

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    1. Justin Blank‏ @hyperpape 20 May 2019
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      Replying to @danluu @jesterreborn

      One pet hypothesis of mine is that we _need_ conflicting or ambiguous advice. In Go (the game), an enormous amount of advice takes the form of proverbs or patterns that are only applicable some of the time.

      1 reply 0 retweets 0 likes
    2. Justin Blank‏ @hyperpape 20 May 2019
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      Replying to @hyperpape @danluu @jesterreborn

      There are people who try to distill those proverbs to laws that can be applied without any ambiguity. I believe those attempts fail, or only capture things that are uninteresting.

      1 reply 0 retweets 0 likes
    3. Justin Blank‏ @hyperpape 20 May 2019
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      Replying to @hyperpape @danluu @jesterreborn

      The way to progress is to develop pattern matching skill, so that you can sense what the appropriate proverb/pattern to apply in a given situation.

      1 reply 0 retweets 0 likes
    4. Justin Blank‏ @hyperpape 20 May 2019
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      Replying to @hyperpape @danluu @jesterreborn

      I'm not arguing against clarity or simplification. Just that I think that *some* of the vague talks are worthwhile.

      1 reply 0 retweets 1 like
    5. Dan Luu‏ @danluu 20 May 2019
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      Replying to @hyperpape @jesterreborn

      I don't disagree with this approach in principle, but for this to work, I think you need something like you get in chess tactics puzzle books: a ton of problems that let you hone your intuition. It seems difficult for a talk to provide this.

      1 reply 0 retweets 0 likes
    6. Dan Luu‏ @danluu 20 May 2019
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      Replying to @danluu @hyperpape @jesterreborn

      IMO, another difference is that we have a decent idea of what works in chess and basically no idea about what works in programming. (Again IMO,) this means a justification of the idea is required in a way that's not true in chess and this is almost never provided in talks.

      2 replies 0 retweets 1 like
    7. Justin Blank‏ @hyperpape 21 May 2019
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      Replying to @danluu @jesterreborn

      I’d dispute that about Go (I think it’s true of chess as well, but I know more about Go). Of course, we observe that a given player wins or loses, or is better than us. But we don’t necessarily have an adequate reasoned justification for why a move is good.

      1 reply 0 retweets 0 likes
    8. Justin Blank‏ @hyperpape 21 May 2019
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      Replying to @hyperpape @danluu @jesterreborn

      So the expert says “don’t play here, play here”, and the normal player says “it doesn’t make sense to me”, and the expert can’t really say anything convincing. They just have to say “trust me”.

      1 reply 0 retweets 0 likes
    9. Justin Blank‏ @hyperpape 21 May 2019
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      Replying to @hyperpape @danluu @jesterreborn

      Or maybe they say “if you play here, then this move and this move and this move happen, and then it’s obviously bad”, and the average player says “actually, that looks good to me”. (Or perhaps they say “ok”, but don’t know why).

      1 reply 0 retweets 0 likes
    10. Justin Blank‏ @hyperpape 21 May 2019
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      Replying to @hyperpape @danluu @jesterreborn

      One difference, for sure, is that go and chess have a clearer hierarchy. We may not know what makes each move work, but it’s not open to me to pretend a given top player is not far ahead of me.

      1 reply 0 retweets 0 likes
      Dan Luu‏ @danluu 21 May 2019
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      Replying to @hyperpape @jesterreborn

      I agree with that (sorry if I was unclear, above). IMO, in programming, we have nearly zero evidence for practices.

      6:00 PM - 21 May 2019
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        1. Dan Luu‏ @danluu 21 May 2019
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          Replying to @danluu @hyperpape @jesterreborn

          I was just reading "Software Reliability" by Myers, from 1976, and much of it could've been written today. IMO, we keep having the same debates because no one can convince someone who isn't already primed to agree since there's no "real" evidence of almost anything.

          0 replies 1 retweet 3 likes
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