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Why can I add named properties to an array as if it were an object?
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Virtually everything in javascript is an object, so you can "abuse" an Array object by setting arbitrary properties on it. This should be considered harmful though. Arrays are for numerically indexed data - for non-numeric keys, use an Object.
Here's a more concrete example why non-numeric keys...
Find indices of elements equal to zero in a NumPy array
...n/method nonzero() to identify the indices of non-zero elements in an ndarray object. What is the most efficient way to obtain the indices of the elements that do have a value of zero?
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How to know if two arrays have the same values
I have these two arrays: one is filled with information from an ajax request and another stores the buttons the user clicks on. I use this code (I filled with sample numbers):
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Declare and Initialize String Array in VBA
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Try this:
Dim myarray As Variant
myarray = Array("Cat", "Dog", "Rabbit")
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Find size of an array in Perl
I seem to have come across several different ways to find the size of an array. What is the difference between these three methods?
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What is the difference between ndarray and array in numpy?
What is the difference between ndarray and array in Numpy? And where can I find the implementations in the numpy source code?
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How to use php serialize() and unserialize()
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A PHP array or object or other complex data structure cannot be transported or stored or otherwise used outside of a running PHP script. If you want to persist such a complex data structure beyond a single run of a script, you need...
Referencing a string in a string array resource with xml
...what items will show up on the menu. There are 17 items. I made a string array in values/arrays.xml with titles for each of these 17 items.
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Array or List in Java. Which is faster?
...rings in memory to be accessed serially in Java. Should I store them in an array or should I use some kind of List ?
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How do I determine the size of my array in C?
How do I determine the size of my array in C?
22 Answers
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