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There are so many articles or tutorial that teach about React performance optimization using memo() and useMemo(). But in some case, you don't need to...
💡 Concept: Closure is a function that can access to parent scope even after the parent function has closed. To understand this concept we need to...
Hoisting in Javascript's default behavior of moving declarations to the top of the current scope. Example 1: x = 5 console.log(x); // return 5 var x;...
Problem: Given an integer array nums, return all the triplets [nums[i], nums[j], nums[k]] such that i != j, i != k, and j != k, and nums[i] + nums[j]...
Link https://leetcode.com/problems/two-sum-ii-input-array-is-sorted. Problem: Given a 1-indexed array of integers numbers that is already sorted in...
Problem: A phrase is a palindrome if, after converting all uppercase letters into lowercase letters and removing all non-alphanumeric characters, it...
