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Java 2021-11-20 14:18:31
driver object in selenium
Driver class: -Driver class is public, has a private constructor and private WebDriver object which named driver, so that no object can be created outside the class. It is also an example for "singleton design pattern". -Webdriver driver is pr... Add solution -
TypeScript 2021-11-20 05:38:11
longest increasing subsequence when elements hae duplicates
#include <iostream> #include <algorithm> using namespace std; // define maximum possible length of X and Y #define N 20 // lookup[i][j] stores the length of LCS of subarray X[0..i-1], Y[0..j-1] int lookup[N][N]; // Functio... Add solution -
Python 2021-11-19 21:21:14
Given an integer 'n'. Print all the possible pairs of 'n' balanced parentheses. The output strings should be printed in the sorted order considering '(' has higher value than ')'.
def generateParentheses(openBr, closeBr, n, s = []): if closeBr == n: print(''.join(s)) return if closeBr < openBr: s.append(')') generateParentheses(openBr, closeBr+1, n, s) s.pop() if openBr < n: s.append('(') generateParenthes... Add solution -
Go 2021-11-19 10:20:27
- Workspace.Arrow.GettingStands:24: Expected 'then' when parsing if statement, got <eof>
local Clickdetector = game.Workspace.Arrow.ClickDetector local ReplicatedStorage = game:GetService("ReplicatedStorage") local StandsInGeneral = ReplicatedStorage:WaitForChild("StandsInGeneral") local RarityChances = require(ReplicatedS... Add solution -
VBA 2021-11-19 06:20:10
excel vba how to check if a worksheet cell is empty
'VBA to check if cell A1 is blank. 'The best way: MsgBox IsEmpty([A1]) 'But if a formula that returns a zero-length string is in A1, 'IsEmpty() will return False. 'Another way: MsgBox Len([A1]) = 0 'Len() will report 0 if A1 contains a formula that re... Add solution -
Python 2021-11-18 22:03:07
read video opencv python
import numpy as np import cv2 cap = cv2.VideoCapture('videos/wa.avi') while(cap.isOpened()): ret, frame = cap.read() gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) cv2.imshow('frame',gray) if cv2.waitKey(1) & 0xFF == ord('q'): break cap.r... Add solution -
TypeScript 2021-11-18 19:14:16
how to make if else statments in java
else if statement is used to specify new condition if first condition is false. Syntax: if(condition1) { // execute if condition1 is true } else if (condition2) { // execute if condition2 is true } else if (condition3) { // execute if condition3... Add solution
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