Validations

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Torsten Rüger

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Jan 16, 2014, 6:40:06 AM1/16/14
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Moi,

so as a newbie who was just going to move to datamapper, i am confused about the rails-4 and validations.

My app used paperclip and devise (though that is not written in stone) and so i found dm versions. But especially dm-devise says not to mix with dm-validations.
dm-validations are said to be superfluous and even dangerous as the dm-rails provides ActiveModel validations (indirectly)
Everything pointing towards not to use dm-validations, except dm-paperclip depends on it. 
Now i'm having troubles imagining that i would be the only one to use paperclip in a rails app, so what gives, where is my mistake ?

Any help (also link to paperclip alternatives) appreciated.

Torsten
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