siddydutta

import numpy as np 
#np.random.seed(0)

def sigmoid (x):
    return 1/(1 + np.exp(-x))

def sigmoid_derivative(x):
    return x * (1 - x)

#Input datasets

siddydutta

import requests
from bs4 import BeautifulSoup
import csv

url = 'https://www.worldometers.info/coronavirus/'
resp = requests.get(url)
soup = BeautifulSoup(resp.content, 'lxml')

data_table = soup.find('table', attrs={'id':'main_table_countries_today'})

siddydutta

import pandas as pd
import matplotlib.pyplot as plt
import seaborn as sns

raw_data = pd.read_csv('data.csv',encoding='latin1',thousands=',')

# Top 5 Countries Affected
data = raw_data[['Country,Other','TotalCases','TotalDeaths','TotalRecovered']]
most_affected = data.sort_values('TotalCases', ascending=False)[:5]
plt.figure(figsize=(10,5))

siddydutta

# -*- coding: utf-8 -*-
import cv2
import numpy as np


def convulate(image, kernel, padding=False, paddingType=cv2.BORDER_CONSTANT):
    '''
    @param image: 2D array of type <numpy.ndarray> for given image.
    @param kernel: 2D array of type <numpy.ndarray> for given kernel.
    @param padding: Type <bool> to indicate if padding required.

siddydutta

# -*- coding: utf-8 -*-
"""
Questions based on the session on Dynamic Programming by Apaar Kamal.
https://join.codingminutes.com/dp-08


Alice and Bob are playing a game. Alice plays first.
We have a pile of n stones.

Q1.

siddydutta

"""
A Python template to solve most problems involving substrings using a two-pointer approach.
Template based on this post: https://leetcode.com/problems/minimum-window-substring/discuss/26808/Here-is-a-10-line-template-that-can-solve-most-'substring'-problems
"""
def substring(string: str) -> int:
  counter = int()  # To check if the substring is valid
  left, right = 0, 0  # Two pointers, right pointer is exclusive
  length = int()  # Length of the substring
  map = dict()  # Intialize the hash map here, collections.Counter is useful
  

siddydutta

// HackerRank's NodeJS environment allows the `request` package.
const request = require('request');

function fetch(url) {
    return new Promise((resolve, reject) => {
        request(url, function (error, response, body) {
            if (error)
                reject(error)
            else
                resolve(body)

siddydutta

# -*- coding: utf-8 -*-
'''
This is a program for University of Virginia's "Continous Delivery and DevOps"
course on Coursera. This script demonstrates the System Test example using
the Selenium webdriver.
'''


from random import randint
from selenium import webdriver

siddydutta

Azure Fundamentals Part 1: Describe core Azure concepts

Cloud computing is the delivery of computing services over the internet by using a pay-as-you-go pricing model. You typically pay only for the cloud services you use, which helps you:
	Lower your operating costs.
	Run your infrastructure more efficiently.
	Scale as your business needs change.

Types of Cloud Models
	Public cloud
		No capital expenditures to scale up.

siddydutta

"""
A Python template to solve problems involving binary search.
Template based on this post: https://leetcode.com/problems/kth-smallest-number-in-multiplication-table/discuss/769704/Python-Clear-explanation-Powerful-Ultimate-Binary-Search-Template.-Solved-many-problems.
"""
def binary_search(array) -> int:
	def condition(value) -> bool:
		# Conditional logic based on question
		# Returns true if current value satisfies requirements
		# binary search will take care of finding the minimal val
		return