vkuznetsov

module Preloading
  def preload(records, association_name, preload_scope)
    return records if records.blank?

    reflection = records.first.association(association_name).reflection

    if reflection.through_reflection
      grouped_scope = reflection.through_reflection.klass.where(reflection.foreign_key => preload_scope).
                                                          includes(reflection.source_reflection_name).
                                                          each_with_object({}) do |r, hash|

vkuznetsov

# В местах вызова сервисов (в контроллерах)
def register_user_account(order)
  order.transaction do
    account = order.register_account(guest_header)

    Account::InitializeAccount.call(account: account)
    account
  end
end

vkuznetsov

(ns scylla-bench.core
  (:require [clojurewerkz.cassaforte.client :as client]
            [clojurewerkz.cassaforte.cql    :as cql]
            [clojurewerkz.cassaforte.query  :as dsl]))

(def STEP-SIZE 1000)
(def counter (agent [nil, 0]))

(defn connect []
  (client/connect

vkuznetsov

-module(listsum).
-export([add_two_numbers/2]).

add_two_numbers(L1, L2) ->
    lists:reverse(add_two_lists(L1, L2, 0, [])).

add_two_lists([], [], 0, Acc) ->
    Acc;
add_two_lists([], [], Over, Acc) ->
    [Over|Acc];