how can i know the number of elements in array
5064
How to find the 'sizeof' (a pointer pointing to an array)?
79356
How to get the array index or iteration number with an each iterator?
3457
How to add new elements to an array?
48889
Count number of values in array with a given value
1710
How to find the sum of an array of numbers
151316
Is PHP's count() function O(1) or O(n) for arrays?
71062
How to get the name of an element with Javascript?
2276
How to count duplicate elements in a Ruby array
49455
Total number of items defined in an enum
126196
How to check if an object is an array?
14704
How to detect if a variable is an array
98396
How can I get the size of an array, a Collection, or a String in Java?
78105
Is there any built-in way to get the length of an iterable in python?
5669
Using user input to determine how many times a for loop iterates
156347
Is reading the `length` property of an array really that expensive an operation in JavaScript?
34005
How do I find the length of an array?
145627
How to get size c++ dynamic array