Questions for tag "array"
Ask a question- 1 votes0 answers91 views
C: Pass an array to function as one argument
I have this kind of function void f(int* array, sizet _size)but it is not so safe since it can be given wrong size. Is there any way to pass only one argument ...
- 0 votes0 answers136 views
C++: length of C-style array
Is there a standard( or, maybe, library or commonly used) function to have the length of C-style array ? For example, I have `cpp int arr1[] = {1, 2, 3, 4} int ...
- 0 votes0 answers82 views
Why is fixed-size array parameter of function a pointer
Function's parameter is a C-style array with specific fix. Anyway, sizeof returns the size of pointer. #include <iostream>using namespace std;void foo( ...
- 2 votes1 answers82 views
How to loop an array in javascript
What is the best way to loop an array in javascript in point of view of performance. I know there is a for loop and forEach loop.
- 1 votes1 answers72 views
How to compare arrays in JavaScript ?
I'd like to compare two arrays... Just true if they are identical, and false if not.
- 2 votes1 answers58 views
How to check if an array includes an object in JavaScript?
What is the most efficient way to find out if a JavaScript array contains an object?
- 1 votes2 answers93 views
How to remove a particular element from an array in JavaScript ?
Is there a simple way to remove a specific element from an array?
- 5 votes3 answers154 views
How to remove duplicates values from array in Javascript
I have a very simple JavaScript array that may or may not contain duplicates. var names = ["Mike","Nancy","Adam","John","Nancy","Carl"]; I need to remove the duplicates ...
- 10 votes1 answers41 views
Parsing Content of Array.
I have: array1 = [{'a': 1}, {'a': 2}, {'a': 3}, {'a': 4}] ; And I want to parse the number values after the : into this array like: [1,2,3,4]; `
- 3 votes1 answers40 views
Copy array by value javascript
When copying an array in JavaScript to another array: var arr1 = ['a','b','c']; var arr2 = arr1; arr2.push('d'); //Now, arr1 = ['a','b','c','d'] I realized that ...
- 2 votes2 answers24 views
How to filter objects out of an array in JavaScript
I have an array of objects arr. One object looks like this: obj = { name: 'name' email: 'email' } And then I have an array with strings (emails) var excludedEmails ...
- 1 votes1 answers29 views
How to find the largest product of an array in JavaScript?
This task is taken from www.interviewbit.com > Given an array of integers, return the highest product possible by multiplying 3 numbers from the array >Input: >array ...
- 0 votes0 answers34 views
How to copy an array using jQuery.
I need to copy an (ordered, not associative) array of objects. I'm using jQuery. I initially tried jquery.extend({}, myArray); but, naturally, this gives me back ...
- 1 votes0 answers31 views
For-each over an array in JavaScript?
How can I loop through all the entries in an array using JavaScript? I thought it was something like this: forEach(instance in myArray); Where myArray is my array, ...
- 1 votes0 answers24 views
How to add property to all objects in array?
I have the following array of objects: let array = [ {'a': 12, 'b':10}, {'a': 20, 'b':22} ]; How can I add a new property c = (a+b)/2 to all objects of the array?
- 0 votes1 answers50 views
Opposite of 'push()' in JavaScript
I need help on this problem - 'What is the opposite of the JavaScript push(); method?' Like say I had a array - var exampleArray = ['remove']; I want to push(); ...
- 0 votes0 answers15 views
How to get random values from a JavaScript array?
How can I get values randomly from this array in the sample below? var myArray = ['January', 'February', 'March']; `
