@Sumana10
Software Developer Engineer
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Jul 24, 2023 路 2 min read 路 In this tutorial, we'll create a Todo Form component in React that allows users to input and submit their todo tasks along with date, start time, end time, and category. We'll also fetch the list of available categories from the server using an API c...
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Jul 17, 2023 路 4 min read 路 React components go through different lifecycle phases during their existence, which allows you to perform specific actions at various points. In this article, we'll explore the Mounting, Updating, and Unmounting phases, and how they relate to each o...
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Mar 7, 2023 路 2 min read 路 Given a non-empty array of integers nums, every element appears twice except for one. Find that single one. You must implement a solution with a linear runtime complexity and use only constant extra space. Example 1: Input: nums = [2,2,1] Output: 1 ...
Join discussionFeb 24, 2023 路 4 min read 路 The function isValid takes a string s as input and checks if it contains a valid set of parentheses, brackets, and curly braces. Here's a step-by-step visualization of how the function works: Declare an empty array arr to store opening parentheses, ...
Join discussionFeb 20, 2023 路 2 min read 路 /** * Definition for singly-linked list. * function ListNode(val, next) { * this.val = (val===undefined ? 0 : val) * this.next = (next===undefined ? null : next) * } */ /** * @param {ListNode} head * @return {ListNode} */ var reverse...
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