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Is there a way to access an iteration-counter in Java's for-each loop?
... for this and Java should get it too... for(int idx=0, String s; s : stringArray; ++idx) doSomethingWith(s, idx);
– Nicholas DiPiazza
Mar 6 '14 at 22:37
...
In Matlab, when is it optimal to use bsxfun?
...pmat (see below)
bsxfun requires less typing
Using bsxfun, like using accumarray, makes me feel good about my understanding of Matlab.
bsxfun will replicate the input arrays along their "singleton dimensions", i.e. the dimensions along which the size of the array is 1, so that they match the size ...
How to split a string in Java
... Corner case: if it cannot find reugalr expression it returns one element array with whole string.
– klimat
May 23 '16 at 12:36
2
...
How to Apply Gradient to background view of iOS Swift App
...e Colors you're providing to gradient must be of type CGColor. So set your array of CGColor to gl.colors.
The correct code is :
class Colors {
var gl:CAGradientLayer!
init() {
let colorTop = UIColor(red: 192.0 / 255.0, green: 38.0 / 255.0, blue: 42.0 / 255.0, alpha: 1.0).cgColor
...
Remove all elements contained in another array
I am looking for an efficient way to remove all elements from a javascript array if they are present in another array.
14 A...
Named capturing groups in JavaScript regex?
...x has named captures for the year, month and date you could run through an array of regular expressions with minimal code.
– Dewey Vozel
Jan 18 '16 at 20:33
4
...
How do I represent a hextile/hex grid in memory?
...
Such a grid can be represented in a two-dimensional array:
If
2
7 3
1
6 4
5
is the number one with its neighbors in the hex grid, then you can put this into a 2D array like so:
2 3
7 1 4
6 5
Obviously neighbor-ness is determined in this grid not on...
Postgresql aggregate array
...
Use array_agg: http://www.sqlfiddle.com/#!1/5099e/1
SELECT s.name, array_agg(g.Mark) as marks
FROM student s
LEFT JOIN Grade g ON g.Student_id = s.Id
GROUP BY s.Id
By the way, if you are using Postgres 9.1, you don't ...
What is the proper way to re-throw an exception in C#? [duplicate]
...ementation details.
Or you could do your own checking:
public CopyTo(T[] array, int arrayIndex)
{
if(array == null)
throw new ArgumentNullException("array");
if(arrayIndex < 0)
throw new ArgumentOutOfRangeException("arrayIndex", "Array Index must be zero or greater.");
if(Count &g...
jQuery AJAX file upload PHP
...xtension = image_name.split('.').pop().toLowerCase();
if(jQuery.inArray(image_extension,['gif','jpg','jpeg','']) == -1){
alert("Invalid image file");
}
var form_data = new FormData();
form_data.append("file",property);
$.ajax({
url:'uploa...