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Singleton Pattern

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jambo answered on October 18, 2020 Popularity 10/10 Helpfulness 3/10

answer Singleton Pattern

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related Singleton Pattern

Singleton Pattern

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public class Singleton {
    private static Singleton instance;

    private Singleton() { }

    public static Singleton getInstance() {
        if (instance == null) {
            instance = new Singleton();
        }
        return instance;
    }
}

Popularity 10/10 Helpfulness 3/10 Language java

Source: chat.openai.com

Tags: java singleton

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Contributed on Oct 01 2023

jambo

0 Answers Avg Quality 2/10

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singleton pattern

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class Singleton(object):
    __instance = None
    def __new__(cls, *args):
        if cls.__instance is None:
            cls.__instance = object.__new__(cls, *args)
        return cls.__instance

Popularity 10/10 Helpfulness 1/10 Language whatever

Source: en.wikipedia.org

Tags: singleton sing

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Contributed on Oct 18 2020

ProMikeSundays

0 Answers Avg Quality 2/10

singleton design pattern

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Singleton:
The Singleton pattern ensures that a class has only one instance and provides a global point of access to that instance.

Example in ReactJS:

You might want to create a settings manager that's accessible from any component.

// SingletonSettings.js
let instance = null;

const SingletonSettings = () => {
  if (!instance) {
    instance = {
      theme: 'light',
      fontSize: '16px',
    };
  }
  return instance;
};

// Usage
const settings = SingletonSettings();
console.log(settings.theme); // Outputs 'light'

// In another component
const otherComponentSettings = SingletonSettings();
console.log(otherComponentSettings.fontSize); // Outputs '16px'

Popularity 10/10 Helpfulness 1/10 Language javascript

Source: Grepper

Tags: javascript j

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Contributed on Aug 30 2023

Amjad Saeed

0 Answers Avg Quality 2/10

Singleton Pattern

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public sealed class Singleton
{
    private static readonly Lazy<Singleton> instance = new Lazy<Singleton>(() => new Singleton());

    private Singleton()
    {
        // Private constructor to prevent external instantiation
    }

    public static Singleton Instance => instance.Value;

    public void SomeMethod()
    {
        // Perform some action
    }
}

Popularity 10/10 Helpfulness 1/10 Language csharp

Source: chat.openai.com

Tags: c# c

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Contributed on Jul 30 2023

mahnaz foroutan

0 Answers Avg Quality 2/10

Singleton Pattern

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