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How to create a fixed-size array of objects
...ray.append().
var array = [SKSpriteNode]()
array.reserveCapacity(64)
for _ in 0..<64 {
array.append(SKSpriteNode())
}
If you know the minimum amount of elements you'll add to it, but not the maximum amount, you should rather use array.reserveCapacity(minimumCapacity: 64).
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PHP Fatal error: Using $this when not in object context
...it is still wrong. You can call an instance method with ::. It is against E_STRICT, but it does work as long as the method body does not reference the instance scope, e.g. uses $this. Also, self::foo will not point to $this->foo. It references a class constant. Both, self::foo and self::$foo woul...
detect key press in python?
...for pause and s for stop), and I would not like it to be something like raw_input that waits for the user's input before continuing execution. Anyone know how to do this in a while loop?
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Reading InputStream as UTF-8
...BufferedReader(new InputStreamReader(url.openStream(), StandardCharsets.UTF_8));
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Scala downwards or decreasing for loop?
... answered May 13 '14 at 21:54
LP_LP_
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How to test if a string is basically an integer in quotes using Ruby
I need a function, is_an_integer , where
20 Answers
20
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Google Maps v3 - limit viewable area and zoom level
...});
// Limit the zoom level
google.maps.event.addListener(map, 'zoom_changed', function() {
if (map.getZoom() < minZoomLevel) map.setZoom(minZoomLevel);
});
</script>
</body>
</html>
Screenshot from the above example. The user will not be able to drag furt...
Replace input type=file by an image
...ch would act exactly as an input type file (show the dialog box, and same $_FILE on submitted page).
I found some workaround here , and this interesting one too (but does not work on Chrome =/).
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Replace multiple strings with multiple other strings
...d a %3";
let pets = ["dog","cat", "goat"];
then
str.replace(/%(\d+)/g, (_, n) => pets[+n-1])
How it works:-
%\d+ finds the numbers which come after a %. The brackets capture the number.
This number (as a string) is the 2nd parameter, n, to the lambda function.
The +n-1 converts the string ...
What does “%” (percent) do in PowerShell?
...at the % operation starts script blocks after the pipeline, although about_Script_Blocks indicates the % isn't necessary.
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