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Tony Arcieri 🌹🦀 (bascule@mas.to)'s status on Tuesday, 10-Sep-2024 17:25:09 JST Tony Arcieri 🌹🦀

Oh YAML https://tmendez.dev/posts/rng-git-hash-bug/
In conversation about 3 months ago from mas.to permalink
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  Our RNG Git Hash Bug
  
  from Tim Mendez
  
  Background I work on the live services game Dragon Prince: Xadia. We have iOS/Android clients, hosted gameservers, and a platform. Our gameservers and clients need to be in sync, so we have a field in our platform’s YAML configuration: gameServerVersion: This way, we can tell clients when they are out of date and need to update. This value is set dynamically by a TeamCity deployment job. The Bug One day, a good long while after we put this system in place, our QA lead pings me in the #game-ops channel on Slack:
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  Simon Tatham (simontatham@hachyderm.io)'s status on Tuesday, 10-Sep-2024 17:25:09 JST Simon Tatham
  in reply to
  
  @bascule that reminds me of the time I noticed in a web server log that occasionally clients would get a 404 after requesting a bizarre URL of the form
  https://[hostname]/0.000000E+00username/
  which, after some headscratching, I realised was because they had started with
  https://[hostname]/~username/
  and then %-escaped the tilde
  https://[hostname]/%7Eusername/
  and then accidentally used that as a printf format string, which took %7E to be a floating-point format directive!
  
  In conversation about 3 months ago permalink
  
  Haelwenn /элвэн/ :triskell: likes this.

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