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.
技术的真正价值在于它能够赋予个人和组织实现更多目标的能力。
"I write to expose myself, to understand myself."
没有什么比多数人容易被少数人统治更令人惊讶的了。
The future is not a gift. It is an achievement.