The Liskov Substitution Principle is a fundamental concept in object-oriented programming, stating that objects of a superclass should be replaceable with objects of a subclass without affecting the correctness of the program.
"The best way to predict the future is to create it."
某些价格形态并非随机,而会有对预测的影响。
你们要不计一切代价地展示聪明,还是选择善良?
生命是一首用泪与笑写成的诗。
我们开采的最有价值的资源不是地下的矿物,而是我们员工的才能和奉献精神。
The truth is, we are all waiting to be told who we are.