define an error-first callback?
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What is asynchronous code?
What is the use of setinterval() function in node.js?
Does node.js support multi-core platforms? And is it capable of utilizing all the cores?
What is nodemon and how it can we used?
Explain – 'console.log([data][, …])' statement in node.js?
How to update the dependency using npm?
Is node js good for enterprise?
How to get a user's ip address in node js?
Is node js a web server?
What are buffers?
What is a control flow function? What are the steps does it execute?
How to decode buffers?