Today I Learned

TIL, 2017-03-21, Where State Machines are Back

  • ag: You can do ag boolean db/migrate, the formula is ag PATTERN PATH.
  • Boolean columns in Rails have the predicate method available already: User.email_confirmed?.
  • Controller actions – Use before_action to ensure you can render out from another method.
  • icomoon and defining custom icon fonts in Bootstrap.
  • stateful_enum gem.
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TIL, 2017-03-20, Grok eager_load and join

Ruby Heredoc syntax: <<-HEREDOC stuff HEREDOC. Squiggly Heredoc (to remove leading whitespace): <~HEREDOC. Postgres has a levenshtein distance command. More...
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TIL, 2017-03-22, HTTP Status Codes

[Source](http://www.restpatterns.org/HTTP_Status_Codes/) - 422: Right content type, right syntax, but unable to process the instructions. - 400: Bad syntax. Client should...

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