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Welcome to my blog The Poor Coder. Here you can find hackerrank Solutions and various programming tutorials on NodeJs, VueJs, Python, Javascript, HTML and more.
Beeze Aal

Python selenium tutorial - Creating a proxy scraper

In this video I will show you how to create a basic proxy scrapper in python using the selenium library. Download source Code
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Python pandas proxy scrapper

In this tutorial, I will be using python-requests and pandas library to avoid the use of the browser. Doing so is extremely faster than scraping using a browser automation library such as selenium. Normally I use requests and beautiful soup for my scraping activities but scraping data from the table
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Create a Facebook video downloader website in python

Flask is one of the most widely used Python frameworks that can help you build a website from scratch. When it comes to building a website, it is very important that you start with a very small step. In the video, you will learn how I created a Facebook downloader
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Leetcode - Reformat The String Solution

Given alphanumeric string s. (Alphanumeric string is a string consisting of lowercase English letters and digits). You have to find a permutation of the string where no letter is followed by another letter and no digit is followed by another digit. That is, no two adjacent characters have the same
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Leetcode - Reverse Vowels of a String Solution

Write a function that takes a string as input and reverse only the vowels of a string. Example 1: Input: "hello" Output: "holle"Example 2: Input: "leetcode" Output: "leotcede"Note: The vowels does not include the letter "y". Solution in pythonclass Solution: def reverseVowels(self, s: str) -> str:
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Leetcode - Richest Customer Wealth Solution

You are given an m x n integer grid accounts where accounts[i][j] is the amount of money the i​​​​​​​​​​​th​​​​ customer has in the j​​​​​​​​​​​th​​​​ bank. Return the wealth that the richest customer has. A customer's wealth is the amount of money they have in all their
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Leetcode - Running Sum of 1d Array Solution

Given an array nums. We define a running sum of an array as runningSum[i] = sum(nums[0]…nums[i]). Return the running sum of nums. Example 1: Input: nums = [1,2,3,4] Output: [1,3,6,10] Explanation: Running sum is obtained as follows: [1, 1+2, 1+
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Leetcode - Kids With the Greatest Number of Candies Solution

Given the array candies and the integer extraCandies, where candies[i] represents the number of candies that the ith kid has. For each kid check if there is a way to distribute extraCandies among the kids such that he or she can have the greatest number of candies among them.
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Leetcode - N-Repeated Element in Size 2N Array Solution

In a array A of size 2N, there are N+1 unique elements, and exactly one of these elements is repeated N times. Return the element repeated N times. Example 1: Input: [1,2,3,3] Output: 3Example 2: Input: [2,1,2,5,3,2] Output: 2Example 3: Input:
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Leetcode - Shuffle String Solution

Given a string s and an integer array indices of the same length. The string s will be shuffled such that the character at the ith position moves to indices[i] in the shuffled string. Return the shuffled string. Example 1: Input: s = "codeleet", indices = [4,5,6,7,0,
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Leetcode - Number of Good Pairs Solution

Given an array of integers nums. A pair (i,j) is called good if nums[i] == nums[j] and i < j. Return the number of good pairs. Example 1: Input: nums = [1,2,3,1,1,3] Output: 4 Explanation: There are 4 good pairs (0,3), (0,4)
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Leetcode - Find Numbers with Even Number of Digits Solution

Given an array nums of integers, return how many of them contain an even number of digits. Example 1: Input: nums = [12,345,2,6,7896] Output: 2 Explanation: 12 contains 2 digits (even number of digits). 345 contains 3 digits (odd number of digits). 2 contains 1 digit (odd

JavaScript

Which programming language to choose as a beginner?

Which programming language to choose as a beginner?

JS reduce vs map vs foreach vs for loop

JS reduce vs map vs foreach vs for loop

Finding the sum of an array of numbers in JavaScript

Finding the sum of an array of numbers in JavaScript

How to square a number in javascript

How to square a number in javascript

Python

Hackerrank Mean, Var, and Std Solution

Hackerrank Mean, Var, and Std Solution

Hackerrank Polynomials Solution

Hackerrank Polynomials Solution

Hackerrank Linear Algebra Solution

Hackerrank Linear Algebra Solution

Hackerrank Eye and Identity Solution

Hackerrank Eye and Identity Solution

Vue Js

How to use moment js in Vue component

How to use moment js in Vue component

Authors

Beeze Aal

Beeze Aal

If you have any doubts or need an explanation for an answer, click the comments button below any post, and leave a comment. I will get back to you asap.
HackerRankDude

HackerRankDude