TIL, 2017-08-08
- You can do
OUTER JOIN
then join with a conditional, thenWHERE
with a conditional to make it look likeLEFT JOIN
. - On a
belongs_to
or a one-to-one relationship, joins are easier. - Carrierwave + Fog
- Testing image upload on Rails.
- Think of when to fire the query and when not to.
- CarrierWave mocking. Reference
- CircleCI artifacts.