osem-fcy/app/models/photo.rb

class Photo < ActiveRecord::Base
  attr_accessible :picture, :description
  belongs_to :conference
  validates_presence_of :picture
  has_attached_file :picture,
                    styles: { thumb: "100x100>", large: "300x300>", banner: "600x300>" }

  validates_attachment_content_type :picture,
                                    content_type: [/jpg/, /jpeg/, /png/, /gif/],
                                    size: { in: 0..500.kilobytes }
end
Added photo model 2014-06-10 12:43:15 +05:30			`class Photo < ActiveRecord::Base`
			`attr_accessible :picture, :description`
			`belongs_to :conference`
			`validates_presence_of :picture`
			`has_attached_file :picture,`
Increased size of modal, added description as caption to photos 2014-07-02 00:25:09 +05:30			`styles: { thumb: "100x100>", large: "300x300>", banner: "600x300>" }`
Added photo model 2014-06-10 12:43:15 +05:30
			`validates_attachment_content_type :picture,`
			`content_type: [/jpg/, /jpeg/, /png/, /gif/],`
			`size: { in: 0..500.kilobytes }`
			`end`