What is the purpose of __dirname variable?
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Why node.js is used?
Difference between operational and programmer errors in node js?
Give an example of writable stream in node.js?
What are the purposes of process object in node.js
How you can update NPM to new version in Node.js?
What is the difference between promise and callback?
How to use aggregation in mongoose?
Explain repl in the context of node.js.
Which module is used for buffer based operations in node.js?
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what do you mean by express js?
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