uninitialized constant Rake::DSL エラー
[code] C:project>rake db:migrate (in C:/project) rake aborted! uninitialized constant Rake::DSL[…]
Excel VBA 選択範囲のセルの数取得
[vb] Range("A2").Select Range(Selection, Selection.End(xlDown)).Select rowcnt = Selection.Rows.Count […]