Category "singleton"

How to test a singleton generic template to be thread safe?

How do I make Singleton generic template, and how can I test it? Right now I am interested in seeing with my own eyes that 2 threads that invoke get_instance()

Can a Kotlin Object be used as a Spring bean?

Kotlin allows for the definition of singleton objects. In dependency injection (DI) frameworks like Spring or CDI, the life cycle of beans can be defined as sin

To call class only once in laravel

I have laravel application and I have used singleton pattern public function boot/register() { $this->app->singleton( 'className',

Is it worth to use singleton to load a configuration file?

I have a java web applilication. This application loads its configuration file with singleton according source file below. public class Configuration { private

In Dart, is it possible to pass an argument in a singleton?

class Peoples { late int id; late String name; static final Peoples _inst = Peoples._internal(); Peoples._internal(); factory Peoples() { retur

How static function is accessing private member function(constructor) of a class

I came across code like the below, which is basically an example of a singleton class in which we make the class constructor private and provide one static publ

Why is this singleton implementation "not thread safe"?

1. The @Singleton decorator I found an elegant way to decorate a Python class to make it a singleton. The class can only produce one object. Each Instance() ca

How to unsubscribe from an event inside of the gamemanager?

In my GameManager script I have a delegate. In my Door script, I subscribe to this delegate. I've tried unsubscribing from it in both the OnDisable and OnDestro

How can I use the singleton pattern in an Android project? [closed]

I know about singleton, but I can't use it in an Android project. I am a beginner in Android. How and where can we use singleton in an Android