How to Implement Singleton Design Pattern in Node.js | Node.js Design Patterns Explained

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In this video we will understand about the Singleton design pattern in Node.js. I will cover the following topics :-
1. Class and Class Instance.
2. What is Module caching and how does it fail ?
3. Do you really need to write Singleton classes in Node.js ?
4. Singleton class use cases in Node.js
5. Best practice of writing a singleton class.
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Disclaimer:
It doesn't feel good to have a disclaimer in every video but this is how the world is right now. All videos are for educational purpose and use them wisely. Any video may have a slight mistake, please take decisions based on your research. This video is not forcing anything on you.

[@DipeshMalvia]

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[@NisargAhir-fd7un]

If I have implemeted clusters to use all the thread then how to implement real singleton design pattern class because if there is a 8 logical thread in my PC then it will create 8 different instance. In c++ they uses mutax to solve this solution. But I don't know how to implement this in nodejs. Can you help me with this?

[@ajiteshmishra0005]

JSON web token, authentication and authorisation, Redux ,Redux saga concepts in React application (frontend)
Please create any project video on this

[@programers]

awsome

[@MdHumaonKabir-hw9lp]

awesome explanation. please upload more about design pattern in javascript

[@DipeshMalvia]

Sure I will