I am confused on how 2 different SQL conditions would work. Suppose I have a table with 3 datetime columns named price_timestamp_a, timestamp_a and original_timestamp_a for product a and 3 datetime column pertaining to product b price_timestamp_b, timestamp_b and original_timestamp_b
I want to ch...
I was solving the following problem on HackerRank.
Here's my solution -
from itertools import combinations
a = input()
ls = list(map(str, a.split()))
for i in range(1, int(ls[1])+1):
ls2 = []
ls2 = list(map("".join, combinations(ls[0], i)))
for elem in ls2:
ls2[ls2.index(elem)...
Dears
I have following component
import React from 'react';
import styled from 'styled-components';
import PropTypes from 'prop-types';
import { connect } from 'react-redux';
import { createSelector } from 'reselect';
import { filterTransactionsByDates } from 'Utils/functions';
import {ReactCompo...
Hi I am trying to solve the next problem:
You have maps of parts of the space station, each starting at a prison
exit and ending at the door to an escape pod. The map is represented
as a matrix of 0s and 1s, where 0s are passable space and 1s are
impassable walls. The door out of the prison is a...
I need to write a maximum function so that it finds that longest word in the Ternary Search Tree and prints it.
This is what I have done so far. I have words in the tree such as "canvas", "cats" "van" but it prints None any way.
def maximum(self):
if self.root == None:
return 0
pt...
I am new to programming / R and new to writing functions. I am working through the book R for Data Science and am on the following exercise:
Implement your own version of every() using a for loop.
In case you're unaware, the every function from purrr does the following:
Do every element of a list...
I am trying to implement the Euler–Maruyama method and use it to solve the Ornstein–Uhlenbeck process. I am basing my code on the wikipedia page where a python implementation is shown. More generally I'm trying to get to grips with stochastic differential equations in c++.
This is my code
#include <
