Today I Learned

TIL, 2017-06-28

  • change_column_default is only reversible if you have a from and to.
  • stateful_enum, since it abstracts over the column value I think, when doing a change_column_default, you have to use the integer values of the enum for the column default to actually change.
  • Review git rebase: git rebase --interactive HEAD~3, squash commits.
  • RSpec exit code = ???.

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