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Cartesian product of multiple arrays in JavaScript
How would you implement the Cartesian product of multiple arrays in JavaScript?
30 Answers
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When is it better to use an NSSet over an NSArray?
... is that a set uses hash values to find items (like a dictionary) while an array has to iterate over its entire contents to find a particular object.
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Array Size (Length) in C#
How can I determine size of an array (length / number of items) in C#?
9 Answers
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Which is a better way to check if an array has more than one element?
I just need to check if an array has more than one element.
I am trying to do it this way :
11 Answers
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How to convert an ArrayList containing Integers to primitive int array?
I'm trying to convert an ArrayList containing Integer objects to primitive int[] with the following piece of code, but it is throwing compile time error. Is it possible to convert in Java?
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Can an array be top-level JSON-text?
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Yes, an array is legal as top-level JSON-text.
There are three standard documents defining JSON: RFC 4627, RFC 7159 (which obsoletes RFC 4627), and ECMA-404. They differ in which top-level elements they allow, but all allow an objec...
How do I make and use a Queue in Objective-C?
...'s version is a stack instead of a queue, so i tweaked it a bit:
NSMutableArray+QueueAdditions.h
@interface NSMutableArray (QueueAdditions)
- (id) dequeue;
- (void) enqueue:(id)obj;
@end
NSMutableArray+QueueAdditions.m
@implementation NSMutableArray (QueueAdditions)
// Queues are first-in-first...
Array extension to remove object by value
...n all types conforming
to RangeReplaceableCollectionType (in particular on Array) if
the elements of the collection are Equatable:
extension RangeReplaceableCollectionType where Generator.Element : Equatable {
// Remove first collection element that is equal to the given `object`:
mutating...
Check if array is empty or null
I would like to know how to check if an array is empty or null in jQuery. I tried array.length === 0 but it didn't work. It did not throw any error either.
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PHP - Merging two arrays into one array (also Remove Duplicates)
Hi I'm Trying to merge two arrays and also want to remove duplicate values from final Array.
5 Answers
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