2021-01-25から1日間の記事一覧
参考 gogutan.hatenablog.com p f = [1,3,2, "2", "3" ] p g = f.uniq {|n|n.to_s} p f.object_id p g.object_id # [1, 3, 2, "2", "3"] # [1, 3, 2] # 70291846447480 # 70291846447180 p d = [1,3,2, "2", "3" ] p e = d.uniq! {|n|n.to_s} p d.object_id …