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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. Dan Luu‏ @danluu 13 Feb 2017
      • Report Tweet

      Crockford thought that you could avoid version impedance mismatches by not versioning things. This doesn't work! https://www.computer.org/csdl/mags/co/2012/04/mco2012040006.html …pic.twitter.com/tShrqyoR3G

      8 replies 8 retweets 30 likes
    2. Sam Tobin-Hochstadt‏ @samth 13 Feb 2017
      • Report Tweet
      Replying to @danluu

      Not just not versioning things, not changing them. And it's worked with JSON.

      1 reply 0 retweets 1 like
    3. Dan Luu‏ @danluu 13 Feb 2017
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      Replying to @samth

      IMO, it works if you only use a single parser or if you either don't mind occasional errors or get lucky

      2 replies 0 retweets 1 like
    4. Sam Tobin-Hochstadt‏ @samth 13 Feb 2017
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      Replying to @danluu

      Are there spec-compliant JSON documents that don't parse in some parsers (modulo genuine bugs)?

      2 replies 0 retweets 0 likes
    5. Dan Luu‏ @danluu 13 Feb 2017
      • Report Tweet
      Replying to @samth

      What's a bug? :) What should happen when you pass a "big" number in JSON? 1. Reject 2. FP Infinity 3. Round 4. BigInt 5. BigFloat

      2 replies 0 retweets 0 likes
    6. Dan Luu‏ @danluu 13 Feb 2017
      • Report Tweet
      Replying to @danluu @samth

      (1) is arguably a bug by original spec, but RFC 7159 says "An implementation may set limits on the range and precision of numbers"

      2 replies 0 retweets 1 like
    7. Dan Luu‏ @danluu 13 Feb 2017
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      Replying to @danluu @samth

      If you believe http://json.org  you should probably turn it into Infinity, but many parsers won't do that. Is that a bug?

      1 reply 0 retweets 1 like
      Dan Luu‏ @danluu 13 Feb 2017
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      Replying to @danluu @samth

      but even that's ambiguous. "A number is very much like a C or Java number". That could be interpreted a number of different ways.

      11:25 AM - 13 Feb 2017
      1 reply 0 retweets 0 likes
        1. Dan Luu‏ @danluu 13 Feb 2017
          • Report Tweet
          Replying to @danluu @samth

          If you read the preface, maybe you'll defer to ECMA-262 and make it a float->infinity, but it's not clear if that's part of the spec.

          0 replies 0 retweets 0 likes
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