Counting array elements in Python
66620
How do I get the number of elements in a list?
101328
Repeating elements in list comprehension
99008
Objective-C: Count the number of times an object occurs in an array?
116631
How to get indices of a sorted array in Python
39586
How to compute the sum and average of elements in an array?
2276
How to count duplicate elements in a Ruby array
77908
How to count the number of occurrences of each item in an array?
151316
Is PHP's count() function O(1) or O(n) for arrays?
29079
Specifying an array with a specific number of copies of two elements
152670
Count Elements in Image
66894
How can I count the occurrences of a list item?
65531
How do I select elements of an array given condition?
1050
Counting inversions in an array
47448
How to find the unique elements in an array in Ruby
135836
How to count of sub-string occurrences?
5580
count lines in a file
141494
Expected number of loops