When should we use Observer and Observable?
An interviewer asked me: What is Observer and Observable and when should we use them? I wasn’t aware of these terms, so when … Read more
design-patterns
Creating the Singleton design pattern in PHP5
How would one create a Singleton class using PHP5 classes? 22 Answers 22
Implementing Singleton with an Enum (in Java)
I have read that it is possible to implement Singleton in Java using an Enum such as: public enum MySingleton { INSTANCE; } … Read more
Why does C# not provide the C++ style ‘friend’ keyword? [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be … Read more
Singleton by Jon Skeet clarification
public sealed class Singleton { Singleton() {} public static Singleton Instance { get { return Nested.instance; } } class Nested { // Explicit … Read more
Where to place AutoMapper.CreateMaps?
I’m using AutoMapper in an ASP.NET MVC application. I was told that I should move the AutoMapper.CreateMap elsewhere as they have a lot … Read more
Design Patterns: Factory vs Factory method vs Abstract Factory
I was reading design patterns from a website There I read about Factory, Factory method and Abstract factory but they are so confusing, … Read more
What is a wrapper class?
What is a wrapper class? How are such classes useful? 17 Answers 17
What is difference between MVC, MVP & MVVM design pattern in terms of coding c#
If we search Google using the phrase “differences between MVC, MVP & MVVM design pattern” then we may get a few URL’s which … Read more
What is an anti-pattern?
I am studying patterns and anti-patterns. I have a clear idea about patterns, but I don’t get anti-patterns. Definitions from the web and … Read more