What you do today can improve all your tomorrows.
Bear in mind: S = Single Responsibility Principle
O = Opened Closed Principle
L = Liskov Substitution Principle
I = Interface Segregation Principle
D = Dependency Inversion Principle
摘要：
HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid. Detail 阅读全文
