singleton Archives - Page 2 of 3

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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How do you build a Singleton in Dart?

The singleton pattern ensures only one instance of a class is ever created. How do I build this in Dart? 25 Answers 25

May 9, 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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Is there a simple, elegant way to define singletons? [duplicate]

This question already has answers here: Creating a singleton in Python (33 answers) Closed 3 years ago. There seem to be many ways ...

May 3, 2022
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On design patterns: When should I use the singleton?

The glorified global variable – becomes a gloried global class. Some say breaking object-oriented design. Give me scenarios, other than the good old ...

May 2, 2022
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Using a dispatch_once singleton model in Swift

I’m trying to work out an appropriate singleton model for usage in Swift. So far, I’ve been able to get a non-thread safe ...

April 30, 2022
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How to declare global variables in Android?

I am creating an application which requires login. I created the main and the login activity. In the main activity onCreate method I ...

April 30, 2022
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What is an efficient way to implement a singleton pattern in Java? [closed]

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

April 20, 2022
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C++ Singleton design pattern

Recently I’ve bumped into a realization/implementation of the Singleton design pattern for C++. It has looked like this (I have adopted it from ...

April 20, 2022
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class

What does class << self do in Ruby? 6 s 6

April 16, 2022
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