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Why caching is so important:

Process of Caching:


Use-case 1 :



const process = require('process')
process.env


Exponent power of a number:

Math.pow( ):


Reverse a string :

Using default methods:


What is constructor :


Introduction :


Aggregation by pipeline

Basic Syntax :

db.collection_name.aggregate(AGGREGATION_OPERATIONS)

AGGREGATION PIPELINE :

db.collection_name.aggregate([...AGGREGATION_OPERATIONS...])


Create a project in Express :

Vaibhav Sharma

Software Developer and Freelancer

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