Sorry for the stupid question. I'm programming in PHP but found some nice code in Python and want to "recreate" it in PHP. But I'm quite frustrated about the line: self.h = -0.1 self.

Sep 29, 2011 · An illustration. Suppose that array contains three integers, 0, 1, 2, and that i is equal to 1. array[i]++ changes array[1] to 2, evaluates to 1 and leaves i equal to 1. array[i++] does not modify …

Jul 29, 2009 · The third way of initializing is useful when you declare an array first and then initialize it, pass an array as a function argument, or return an array. The explicit type is required.

There are plenty of applications for both approaches; it just depends on what you're using the array for. If you iterate over an array with for.. of, the body of the loop is executed length times, and the loop …

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

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 in the …

If you are creating an array whose main feature is it's length, rather than the value of each index, defining an array as var a=Array(length); is appropriate. eg-

Array.Resize is the proper way to resize an array. If you add a comment before the code snippet saying it's rarely the best way to handle situations where the array represents a resizable collection you've …

FYI, Arrays.deepToString() accepts only an Object [] (or an array of classes that extend Object, such as Integer, so it won't work on a primitive array of type int []. But Arrays.toString(<int array>) works fine …

Aug 5, 2009 · Is there a way to empty an array and if so possibly with .remove()? For instance, A = [1,2,3,4]; How can I empty that?