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patio11's profile
Patrick McKenzie
Patrick McKenzie
Patrick McKenzie
@patio11

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Patrick McKenzie

@patio11

I work for the Internet, at @stripe, mostly on accelerating startups. Opinions here are my own.

東京都 Tokyo
kalzumeus.com
Joined February 2009

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    1. Patrick McKenzie‏ @patio11 16 Mar 2018
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      Patrick McKenzie Retweeted Janelle Shane

      You'll enjoy this thread. Not quiiiite the same, but I "won" an undergraduate AI in-class competition to predict the closing price of eBay auctions. (Remember eBay? This was when dinosaurs ruled the earth and undergrads didn't have cell phones because why would you.) Algorithm:https://twitter.com/JanelleCShane/status/973637418225090560 …

      Patrick McKenzie added,

      Janelle Shane @JanelleCShane
      This paper is gold. https://twitter.com/mtrc/status/973607380721242112 …
      Show this thread
      2 replies 16 retweets 62 likes
      Show this thread
    2. Patrick McKenzie‏ @patio11 16 Mar 2018
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      1) Scrape the auction page. 2) Locate the current price. 3) Calculate an adjustment factor, using $WORKED_WAY_TOO_HARD_ON_THIS. 4) Because of a coding bug, don't actually use the calculated adjustment factor, but rather set an adjustment of zero. 5) Guess the current price plus 0

      1 reply 7 retweets 34 likes
      Show this thread
    3. Patrick McKenzie‏ @patio11 16 Mar 2018
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      I destroyed ~30 other very smart students and my prof was pretty impressed until I said, halfway through reviewing results, "Actually hang on this is only outperforming everyone because of a bug which lobotomizes it."

      4 replies 3 retweets 56 likes
      Show this thread
      Patrick McKenzie‏ @patio11 16 Mar 2018
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      Also: <old man voice> In my day we didn't have your Nokogiri HTML-parsing newfangled nonsense. We walked to school uphill both ways while parsing strings with regular expressions and yes it sucked exactly as much as you think it probably did. </old man voice>

      10:06 AM - 16 Mar 2018
      • 3 Retweets
      • 33 Likes
      • Will razh Richard Felix dgtized Trevor Hunsaker Frédérique Mittelstaedt mrkirkland 🇭🇰 Peter Barfuss 𒀱 Unknown
      6 replies 3 retweets 33 likes
        1. New conversation
        2. dgtized‏ @dgtized 16 Mar 2018
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          Replying to @patio11

          Do you remember if you followed RPL's instructions and scraped it in AWK? I don't remember using Nokigiri until later, but I remember using 'open-uri' for the eBay and poetry scrape.

          1 reply 0 retweets 0 likes
        3. Patrick McKenzie‏ @patio11 16 Mar 2018
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          Replying to @dgtized

          Yep, I did. Didn’t write my first Ruby until about 2008 or 2009.

          1 reply 0 retweets 0 likes
        4. 1 more reply
        1. Thomas #raisethebar Fuchs‏Verified account @thomasfuchs 16 Mar 2018
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          Replying to @patio11

          Had to dive for Perls in the CGI-BIN directory and all I got was this lousy logfile

          0 replies 0 retweets 1 like
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        1. New conversation
        2. Brian Gawalt‏ @bgawalt 16 Mar 2018
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          Replying to @patio11

          regex and html, you say https://stackoverflow.com/questions/1732348/regex-match-open-tags-except-xhtml-self-contained-tags/1732454#1732454 …

          1 reply 0 retweets 0 likes
        3. Jason Adams‏ @flogic 16 Mar 2018
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          Replying to @bgawalt @patio11

          That's not really a concern if all you care about is the data. Generally speaking HTML is poorly written and not what you want. Why bother parsing it?

          0 replies 0 retweets 1 like
        4. End of conversation
        1. Jamie Lawrence‏ @ideasasylum 16 Mar 2018
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          Replying to @patio11

          On the other hand, at least we didn’t need to install nokogiri (which itself isn’t what the cool kids use. They probably need half a ton of Javascript, a headless browser, and a favourable wind)

          0 replies 0 retweets 0 likes
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        1. Timur Badretdinov‏ @DestinerX 16 Mar 2018
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          Replying to @patio11

          Well, many discoveries were made at random, with other intentions in mind, or by mistake.

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        1. UatecUK‏ @UatecUK 17 Mar 2018
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          Replying to @patio11

          Nokogiri makes out teamcity build agents take 2 minutes longer to first run. On a 90 second build. :/ give me regex plz.

          0 replies 0 retweets 0 likes
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