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Hii guys, today we are going to solve "Remove duplicates from sorted array" question from LeetCode. The question states that: Given an integer array nums sorted in non-decreasing order, remove the duplicates in-place such that each unique element app...
Hola! The question that I solved is a stack-based question called "Valid Parentheses" from LeetCode. It can be solved without stack but the time complexity, as well as space complexity, may increase. Question The question states that we are given a s...
Hey, fam! The problem we are working on today is "Longest Common Prefix" from Leetcode. The question is to find the longest sequence which is common among all the strings and is present at the start of each string. For example: Input - ["flower", "f...
Hi peeps:) Today I solved a very easy problem which first may seem tricky but is very simple. To convert a string from roman numerals to integers we should first know what the letters "I", "V" etc actually mean. For your reference I have listed the ...
In this tutorial, we will be learning about ways to read and write data from a JSON file and then from a JSON to an excel file. We will be using very basic Node.js and an npm package "xlsx" to perform these tasks. Prerequisites Node.js(beginner leve...
In this tutorial, we will be building a full-stack registration page using Node.js. We will be storing data in a remote MongoDB database and use express.js for the operations. Prerequisites I am expecting that you already know the basics of node.js, ...
In this article, we will be learning about conditional statements in EJS which is one of the most common template engines for Node.js development. We might not need template engines for ReactJS UI but if one is using plain HTML, CSS, and JavaScript f...
with HTML/CSS
