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I was going through the API logs of a Ruby on Rails app, and I noticed this input on a few failed calls. Does anyone know what it means?

sawa
  • 165,429
  • 45
  • 277
  • 381
Sebastian
  • 2,154
  • 1
  • 26
  • 42
  • 1
    Why tag `math` and `numbers` but no tags involving ruby on rails and/or whatever API you are using? Your question doesn't have a mathematical answer. – John Coleman Oct 31 '18 at 14:16
  • Sorry, I have no clue what they mean. I assumed it might be a formula. I changed the tags as requested. – Sebastian Oct 31 '18 at 14:49
  • It is a reasonable guess, but dollar signs have no standard meaning in mathematics and in the context of ruby on rails, something like `213.759` makes me think of part of an IP address rather than a floating point number between 213 and 214. – John Coleman Oct 31 '18 at 15:01
  • I've seen `{{= ... }}` used in some JavaScript template systems to avoid conflicts with `<%= ... %>`. Perhaps you just have a broken client app. – mu is too short Oct 31 '18 at 15:58
  • like @muistooshort mentioned `{{ ... }}` syntax is used by handlebars, mustache, angular, etc. as a and `${` is a javascript template literal https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Template_literals – engineersmnky Oct 31 '18 at 19:12

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