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Most efficient way to prepend a value to an array
Assuming I have an array that has a size of N (where N > 0 ), is there a more efficient way of prepending to the array that would not require O(N + 1) steps?
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Checking for empty arrays: count vs empty
This question on ' How to tell if a PHP array is empty ' had me thinking of this question
12 Answers
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Multiple returns from a function
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There is no way of returning 2 variables. Although, you can propagate an array and return it; create a conditional to return a dynamic variable, etc.
For instance, this function would return $var2
function wtf($blahblah = true) {
$var1 = "ONe";
$var2 = "tWo";
if($blahblah === true) ...
Are negative array indexes allowed in C?
... you don't have to dereference the pointer to get UB. Merely computing somearray-2 is undefined unless the result is in the range from the start of somearray to 1 past its end.
– RBerteig
Aug 13 '10 at 9:12
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What is the best way to convert an array to a hash in Ruby
In Ruby, given an array in one of the following forms...
11 Answers
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Numpy `logical_or` for more than two arguments
Numpy's logical_or function takes no more than two arrays to compare. How can I find the union of more than two arrays? (The same question could be asked with regard to Numpy's logical_and and obtaining the intersection of more than two arrays.)
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Bash array with spaces in elements
I'm trying to construct an array in bash of the filenames from my camera:
10 Answers
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How do I build a numpy array from a generator?
How can I build a numpy array out of a generator object?
5 Answers
5
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Difference between int[] array and int array[]
...tly been thinking about the difference between the two ways of defining an array:
25 Answers
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How to write a multidimensional array to a text file?
In another question, other users offered some help if I could supply the array I was having trouble with. However, I even fail at a basic I/O task, such as writing an array to a file.
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