Why node js is so popular?
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Difference between cluster and child_process modules?
What is the use of underscore variable in repl?
How to support multi-processor platforms in Node.js?
What are Events and Event Emitters in node.js?
Differentiate between process.nexttick() and setimmediate()?
What is middleware in node.js?
What do you understand by middleware?
What are the two arguments that async.queue takes?
Is node js asynchronous by default?
Why is it called node js?
How prevents blocking code in node.js?
Explain the concept of middleware in node.js?