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Created How to: Validate attachment file size (markdown)
Updated How to: Validate attachment file size (markdown)
Mention support for size_range
Turns out example was alright
Fix example
Although the file_size_validator looks very clean, if I'm using a single uploader, maybe something as simple as a custom validator would suffice. This highlights the fact that the file size is actually part of the carrierwave object & can be used for custom validations. Here, I demonstrate a use case where the file size is dynamic depending on the user model.
Clarifying that this checks file size