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 core of Pinduoduo is "group buying," allowing users to participate in shopping through social means.
Collaboration is a form of generosity in art.
The community stagnates without the impulse of the individual. The impulse dies away without the sympathy of the community.
学习算法的成功取决于其训练数据的质量和数量。