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STEP 0 : Creating an empty Nodejs repository Go to your desired directory and run the below command to setup an empty directory with package.json npm init -y STEP 1: Creating a server To create an express server we have to install express STEP 1.1: ...
What is a Middleware ? In Backend development middleware is the code snippet that resides before the server and the main purpose of a middleware is to filter out the request that does not perform a specific criteria which is written on the middleware...
Authentication is the process of verifying the identity of a user or entity attempting to access a system or resource. It is a fundamental aspect of security in web development and is essential for ensuring that only authorized individuals or entitie...
STEP 0: Creating an empty Nodejs repository Go to your desired directory and run the below command to setup an empty directory with package.json npm init -y STEP 1: Creating a server To create an express server we have to install express STEP 1.1: I...
Given an array of N integers return an element that occurs more than N/2 times in the given array. The Brute Force The most Navie and brute force approach is - Loop through each of the elements of the array For each of the elements, find its count ...
STEP 0: Creating an empty Nodejs repository Go to your desired directory and run the below command to setup an empty directory with package.json npm init -y STEP 1: Creating a server To create an express server we have to install express STEP 1.1: I...
Given an array containing only 0s, 1s, and 2s. How do you sort it out? you must be wondering, why is this even a question isn't it inherent that we can just sort it, by maybe using some inbuilt function or maybe any of the sorting techniques? Okay, s...
STEP 0: Creating an empty Nodejs repository Go to your desired directory and run the below command to setup an empty directory with package.json npm init -y STEP 1: Creating a server To create an express server we have to install express STEP 1.1: I...
As a developer, you may find yourself performing repetitive tasks regularly. Whether it's backing up your database or sending out weekly reports, it can be time-consuming and tedious to perform these tasks manually. That's where CRON jobs come in han...