```ruby
desc 'Send daily emails'
task send_emails: :environment do
  next unless PullRequest.in_date_range?

  User.all.each do |user|
    Notification.new(user).send_email # rescue nil
  end
end

desc 'Send a november reminder to everyone'
task send_reminder: :environment do
  User.where("email <> ''").where.not(email_frequency: 'none').each do |user|
    ReminderMailer.november(user).deliver_now rescue nil
  end
end

desc 'Find all users who sent 24 pull requests'
task continuous_sync_users: :environment do
  users = PullRequest.year(CURRENT_YEAR)
                     .includes(:user)
                     .map(&:user)
                     .uniq.compact.sort_by(&:id)
                     .select { |u| u.pull_requests.year(CURRENT_YEAR).length > 23 }
  puts "#{users.length} users"
  users.each do |user|
    puts "#{user.nickname} - #{user.email}"
  end
end
```

Load users in batches in email tasks
user
```ruby
desc 'Send daily emails'
task send_emails: :environment do
  next unless PullRequest.in_date_range?

  User.all.find_each do |user|
    Notification.new(user).send_email # rescue nil
  end
end

desc 'Send a november reminder to everyone'
task send_reminder: :environment do
  User.where("email <> ''").where.not(email_frequency: 'none').find_each do |user|
    ReminderMailer.november(user).deliver_now rescue nil
  end
end

desc 'Find all users who sent 24 pull requests'
task continuous_sync_users: :environment do
  users = PullRequest.year(CURRENT_YEAR)
                     .includes(:user)
                     .map(&:user)
                     .uniq.compact.sort_by(&:id)
                     .select { |u| u.pull_requests.year(CURRENT_YEAR).length > 23 }
  puts "#{users.length} users"
  users.each do |user|
    puts "#{user.nickname} - #{user.email}"
  end
end
```
assistant