design-patterns Archives - Page 4 of 7

When should I use the Visitor Design Pattern? [closed]

Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so ...

May 14, 2022
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What should my Objective-C singleton look like? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, ...

May 13, 2022
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What are the downsides to using Dependency Injection? [closed]

As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, ...

May 12, 2022
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What’s the difference between the Dependency Injection and Service Locator patterns?

Both patterns seem like an implementation of the principle of inversion of control. That is, that an object should not know how to ...

May 12, 2022
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How to study design patterns? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Closed 8 years ago. This question’s answers are a community effort. Edit ...

May 12, 2022
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Design Patterns web based applications [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 ...

May 11, 2022
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How to implement the factory method pattern in C++ correctly

There’s this one thing in C++ which has been making me feel uncomfortable for quite a long time, because I honestly don’t know ...

May 10, 2022
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Singletons vs. Application Context in Android?

Recalling this post enumerating several problems of using singletons and having seen several examples of Android applications using singleton pattern, I wonder if ...

May 10, 2022
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Why is IoC / DI not common in Python?

In Java IoC / DI is a very common practice which is extensively used in web applications, nearly all available frameworks and Java ...

May 8, 2022
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Simplest/cleanest way to implement a singleton in JavaScript

What is the simplest/cleanest way to implement the singleton pattern in JavaScript? 40 Answers 40 I think the easiest way is to declare ...

May 7, 2022
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