The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.
生物學是對那些看起來像是為了某種目的而被設(shè)計的復(fù)雜事物的研究。
"Truth is not found in the light, but in the shadows we're afraid to explore."
給學生一些事情去做，而不是一些東西去學；而這些事情的性質(zhì)需要思考；學習會自然而然地發(fā)生。
There is one god, greatest among gods and men, in no way similar to mortals either in body or in thought.