Why go through the trouble of Array.apply(null, {length: N}) instead of just Array(N)? After all, both expressions would result an an N -element array of undefined elements. The difference is that …

How would you use memset to initialize a int array to some value larger than 255? memset only works if the array is byte sized.

Jul 25, 2012 · When creating a 2D array, how does one remember whether rows or columns are specified first?

Sep 21, 2008 · For storage purposes, both numpy array and array.array are comparable. Here is the code for benchmark for both comparing storage size of unsigned integer of 4 bytes.

It returns a single dimension variant array with just two values, the two indices of the array used as an input (assuming the value is found). If the value is not found, it returns an array of (-1, -1).

Apr 8, 2013 · 362 numpy.array is just a convenience function to create an ndarray; it is not a class itself. You can also create an array using numpy.ndarray, but it is not the recommended way. …

Jul 29, 2009 · An array can contain primitives data types as well as objects of a class depending on the definition of the array. In case of primitives data types, the actual values are stored in …

Oct 15, 2010 · Specifically, for..in loops through the enumerable property names of an object (not the indexes of an array). Since arrays are objects, and their only enumerable properties by …

Jul 23, 2017 · How to make an array of arrays in Java Asked 14 years, 9 months ago Modified 8 years, 3 months ago Viewed 476k times

Oct 15, 2008 · A real array is a fixed block of contiguous memory. There are some nice optimizations you can do when you know you have a real array, but what PHP actually gives …