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Rails find record with zero has_many records associated [duplicate]
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Bah, found it here: https://stackoverflow.com/a/5570221/417872
City.includes(:photos).where(photos: { city_id: nil })
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GitHub relative link in Markdown file
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edited Mar 11 '16 at 20:05
emlai
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zneakzneak
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Calling a function every 60 seconds
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Nahom TijnamNahom Tijnam
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