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C++ 2021-12-23 16:19:06
use macro in competitive programing c++
#include <bits/stdc++.h> // Include every standard library using namespace std; #define FASTIO ios::sync_with_stdio(false); cin.tie(0); cout.tie(0) #define MULTIPLE_TEST int t; cin>>t; while(t--) //for multilple cases problems #define bit(x,i... Add solution -
C++ 2021-11-21 04:08:17
Write a C++ program using class and objects. You have to define multiple-member functions outside class and all those functions will be the same name
#include <iostream> using namespace std; class Box { public: double length; // Length of a box double breadth; // Breadth of a box double height; // Height of a box // Member functions declaration... Add solution -
Javascript 2021-11-20 07:31:10
react hide element
React circa 2020 In the onClick callback, call the state hook's setter function to update the state and re-render: const Search = () => { const [showResults, setShowResults] = React.useState(false) const onClick = () => setShowResults(true) r... Add solution -
Other 2021-11-19 10:34:14
TypeError: 'bool' object is not callable
TypeError: 'bool' object is not callable "object is not callable" error occurs when you are trying to behave an object like it is a method or function. current_user.is_authenticated() you are behaveing current_user.is_authenticated as a meth... Add solution -
Javascript 2021-11-18 02:00:18
keyword new js
ObjMaker = function() {this.a = 'first';}; // ObjMaker is just a function, there's nothing special about it that makes // it a constructor. ObjMaker.prototype.b = 'second'; // like all functions, ObjMaker has an accessible prototype property that // we... Add solution -
VBA 2021-11-18 01:12:19
xl-vba how to return result from a function
'In VBA, you assign the return value to the name of the function. 'This is different from many languages that use the 'return' keyword: Function Yesterday() As Date Yesterday = Date() - 1 End Function 'VBA functions can be called from other VBA code: ... Add solution -
Other 2021-11-18 00:17:15
string in haskell
Yes, absolutely! That's one of the beautiful things about Haskell. You can treat Strings as [Char]. In fact, that's what they are! In GHCi, type :i String - you get type String = [Char]. You can easily compose functions. There's an operator for that, (.).... Add solution
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