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How can I convert my device token (NSData) into an NSString?
I am implementing push notifications. I'd like to save my APNS Token as a String.
29 Answers
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In php, is 0 treated as empty?
...ared, but without a value in a class)
Note that this is exactly the same list as for a coercion to Boolean false. empty is simply !isset($var) || !$var. Try isset instead.
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Call int() function on every list element?
I have a list with numeric strings, like so:
7 Answers
7
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Is there a better way to iterate over two lists, getting one element from each list for each iterati
... In Python 2.x you might consider itertools.izip instead (zip does the same thing in Python 3.x).
– Nicholas Riley
Dec 17 '09 at 2:08
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C compile error: “Variable-sized object may not be initialized”
...t for dynamically sized arrays). The problem in your code is that at the time when the compilers sees your variable declaration it cannot know how many elements there are in the array (I am also assuming here, from the compiler error that length is not a compile time constant).
You must manually i...
Get the Highlighted/Selected text
...d by involving jQuery since you need nothing other than the window and document objects.
function getSelectionText() {
var text = "";
if (window.getSelection) {
text = window.getSelection().toString();
} else if (document.selection && document.selection.type != "Control"...
Pass Multiple Parameters to jQuery ajax call
I have the following jquery code to call a webmethod in an aspx page
10 Answers
10
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Simple way to convert datarow array to datatable
...d (using DataRow.ImportRow, if necessary, to get a copy of the DataRow), something like:
foreach (DataRow row in rowArray) {
dataTable.ImportRow(row);
}
Make sure your dataTable has the same schema as the DataRows in your DataRow array.
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How to select the row with the maximum value in each group
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Accessing the auto-named column. Run it without it to understand better.
– Arun
Jun 1 '16 at 14:19
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Sum a list of numbers in Python
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Question 1: So you want (element 0 + element 1) / 2, (element 1 + element 2) / 2, ... etc.
We make two lists: one of every element except the first, and one of every element except the last. Then the averages we want are the averages of each pair taken...