Ruby on Rails Callback, what is difference between :before_save and :before_create?

Ruby on Rails Callback, what is difference between :before_save and :before_create?

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ruby

Rails: What's a good way to validate links (URLs)?

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ruby

Rails: Validating min and max length of a string but allowing it to be blank

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ruby

validation custom message for rails 3

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ruby

How do I validate a date in rails?

ruby-on-rails ruby validation date

ruby

Validate attribute only if it present (only if user fill in it)

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ruby

Ruby on Rails: errors.add_to_base vs. errors.add

ruby-on-rails ruby validation model

ruby

Ruby Email validation with regex

ruby regex validation email

ruby

rails validation: :allow_nil and :inclusion both needed at the same time

ruby-on-rails ruby validation inclusion

ruby

Valid email address regular expression? [duplicate]

ruby regex validation email

ruby

How to remove validation using instance_eval clause in Rails?

ruby-on-rails ruby validation activerecord

ruby

How to validate the date such that it is after today in Rails?

ruby-on-rails ruby validation rails-activerecord

ruby

Add http(s) to URL if it's not there?

ruby-on-rails ruby regex validation url

ruby

Rails put validation in a module mixin?

ruby-on-rails ruby validation models

ruby

Rails 3 validates inclusion of when using a find (how to proc or lambda)

ruby-on-rails ruby validation activerecord

ruby