多想個10秒鐘,你可以『不』說「嗯,這個做得到」
常常我們在最後關頭,答應了顧客,點頭說『嗯,這個可以辦得到』。這是程式設計師惡夢的開始。
There is no sense in being precise when you don't even know what you're talking about. -- John von Neumann
Wirth's Law: Software is getting slower more rapidly than hardware becomes faster. - Niklaus Wirth.