def self.categories_with_count
    Category.find_by_sql("SELECT categories.name AS name, categories.slug AS slug, COUNT(categorizations.id) AS count FROM categories LEFT OUTER JOIN categorizations ON categories.id = categorizations.category_id GROUP BY categorizations.category_id, categories.name, categories.slug ORDER BY categories.name")
end

def disease_search(query)
    treatment_results = Array.new
    symptom_results = Array.new
...

def disease_search(query)
    treatment_results = Array.new
    symptom_results = Array.new
...

# In helper

def show_row(label, attribute)
...

# Associations
#
# User: has_many :sources, :as => :sourceable, :dependent => :destroy
...

@merged << @array1
@merged << @array2
@merged.flatten!
...

named_scope :with_description, :conditions => "description IS NOT NULL and trim(description) != ''"

class Car < ActiveRecord::Base
  belongs_to :model
  has_many :photos
...

def all_shops(products)
    ids = []
    products.collect { |product| product.shops }.flatten.reject { |s| if ids.include?(s.id); true; else; ids.push(s.id); false; end }
...