DELETE

delete

ri

 More than one method matched your request. You can refine
 your search by asking for information on one of:
 
      Dir::delete, Tempfile#delete, Array#delete, Array#delete_if,
      Array#delete_at, Set#delete?, Set#delete, Set#delete_if,
      Pathname#delete, Observable#delete_observer,
      Observable#delete_observers, Hash#delete, Hash#delete_if,
      File::delete, CGI::Session#delete, CGI::Session::FileStore#delete,
      CGI::Session::MemoryStore#delete, PStore#delete, String#delete!,
      String#delete

* はてなダイアリーキーワード:delete