Rails Best Practices | Use memoization

Memoization is an optimization technique used primarily to speed up computer programs by having function calls avoid repeating the calculation of results for previously-processed inputs. In rails, you can easily use memoize which is inherited from ActiveSupport::Memoizable. Memoization is an optimization technique used primarily to speed up computer programs by having function call avoid repeat th

[dominion525]

メモ化のお話。#rubytokai

[kattton]

has_manyな要素のうち条件付きで個数を返したいとき（承認済みユーザ数とか）、ActiveSupport::Memoizable使うと上手く処理できるがDepricationになっちまった。使いたい人はmemoistを使え。インスタンス変数でも処理可能