Why to use exec method for Child process module?


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Is let and const hoisted?

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What is the difference between synchronous and asynchronous programming?

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Name the type of web applications which can be built using express js.

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How prevents blocking code in node.js?

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What are streams? List types of streams available in node js?

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Explain what is libuv in node js?

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Explain the difference between readfile and createreadstream in node js?

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What is middlewares? What is the concept of middlewares in Express.js?

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