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Resque.enqueue(NotifierJob, User.first.attributes)

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Resque.enqueue(NotifierJob, User.first)

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class Image < ActiveRecord::Base
  after_commit :generate_thumbnail

  def generate_thumbnail
  end
end

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class Image < ActiveRecord::Base
  after_create :generate_thumbnail

  def generate_thumbnail
  end
end

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namespace :welcome do
  task :users do
    # Short running process
    Users.limit(10).each do |user|
      user.welcome
    end
  end
end

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namespace :calculate do
  task :pi do
    # Really long running process
  end
end

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*/15 * * * *  /bin/bash cd /rails/root/ && rake calculate::pi > /dev/null 2>&1

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class NotifierJob < Struct.new(:user)
  def perform
    Notifier.welcome(user).deliver
  end    
end  
  
Delayed::Job.enqueue(NotifierJob.new(User.last))

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class NotifierJob
  @queue = :notifications

  def self.perform(user)
    Notifier.welcome(user).deliver
  end
end

Resque.enqueue(NotifierJob, User.last)

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*/15 * * * *  /bin/bash cd /rails/root/ && rake welcome:users > /dev/null 2>&1