General

Maybe the better question isn’t what you want, but what you’re willing to pay for it.

边界并不在选择之前，而是在代价真正落到身上之后，才一点一点显形。

What is SOLID? SOLID is a set of principles that help you write better code. It stands for Single Responsibility Principle Open/Closed Principle Liskov Substitution Principle Interface Segregation Principle Dependency Inversion Principle Single Responsibility Principle (SRP) SRP states that a class or module should only have one reason to change. This means that a class should only focus on a single well-define task or responsibility. You can think of ‘responsibility’ as the axis of change in your software. If you have more than one reason why your class needs to be modified, you likely have violated SRP. ...