Top "Design-principles" questions

designing shape class with circle and triangle

I am trying to understand the is-a vs is-like-a relationship where I read somewhere that we must try to follow …

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What is the reasoning behind the Interface Segregation Principle?

The Interface Segregation Principle (ISP) says that many client specific interfaces are better than one general purpose interface. Why is …

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Liskov substitution principle - no overriding/virtual methods?

My understanding of the Liskov substitution principle is that some property of the base class that is true or some …

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Properly implement comparison of two objects with different type but semantically equivalent

I've found a similar question How to compare two distinctly different objects with similar properties that may implicitly and/or …

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What is the meaning and reasoning behind the Open/Closed Principle?

The Open/Closed Principle states that software entities (classes, modules, etc.) should be open for extension, but closed for modification. …

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Pattern for modifying knockout observable on parent from child view model

I have a parent-child view model object structure set up and need to update an observable on the parent from …

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