Relational Databases queries on real life.
Node Js Developer Interview Questions
935 node js developer interview questions shared by candidates
Return value of find and findOne in MongoDB
1. Rotate 2D array with constant space. 2. Searching an element in an array that has a peak e.g. [1,2,3,4,5,6,20,19,18,16], with no more than log n time complexity.
basic of node event loop , promises, async/ await code written, architecture of the project roles in it. jwt token process.
How to make angular code efficient
explain callback hell and how to avoid the same.
Difference between 201 and 202 status code
MCQ's related to Node js and Javascript
Binary tree e inversão da mesma
How does Node.js handle asynchronous operations, and what are the differences between callbacks, promises, and async/await? Can you explain the event loop in Node.js and how it affects performance, especially when dealing with I/O-bound tasks? What is the purpose of middleware in Express.js, and can you provide an example of how you would create and use custom middleware in an application?
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