horitaku1124/my_ror_tips.md

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Ruby on Railsの覚え書き

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my_ror_tips.md

2000年1月1日のフォーマット

<%==
   sprintf(
   f.date_select(
     :open_day ,
     :use_month_numbers => true,
     :date_separator => '%s'
 ), '年', '月'); %>

MySQLのクエリ

sql = ActiveRecord::Base.send(:sanitize_sql_array, ["insert into foo (bar, baz) values (?, ?), (?, ?)", 'a', 'b', 'c', 'd'])
res = ActiveRecord::Base.connection.execute(sql)