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Fling gesture detection on grid layout
...vity extends Activity implements OnClickListener {
private static final int SWIPE_MIN_DISTANCE = 120;
private static final int SWIPE_MAX_OFF_PATH = 250;
private static final int SWIPE_THRESHOLD_VELOCITY = 200;
private GestureDetector gestureDetector;
View.OnTouchListener gestureListener;
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How to initialize const member variable in a class?
...ypically declared in a header file and a header file is typically included into many translation units. However, to avoid complicated linker rules, C++ requires that every object has a unique definition. That rule would be broken if C++ allowed in-class definition of entities that needed to be store...
PHP Sort a multidimensional array by element containing date
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This should work. I converted the date to unix time via strtotime.
foreach ($originalArray as $key => $part) {
$sort[$key] = strtotime($part['datetime']);
}
array_multisort($sort, SORT_DESC, $originalArray);
One-liner versio...
Calendar date to yyyy-MM-dd format in java
How to convert calendar date to yyyy-MM-dd format.
9 Answers
9
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How do I shuffle an array in Swift?
...) in zip(indices, stride(from: c, to: 1, by: -1)) {
// Change `Int` in the next line to `IndexDistance` in < Swift 4.1
let d: Int = numericCast(arc4random_uniform(numericCast(unshuffledCount)))
let i = index(firstUnshuffled, offsetBy: d)
swapAt(firs...
When to use Comparable and Comparator
...s are every future sorting use case would require a comparator, at which point the implementation of comparable may slow down users of the class, not speed them up.
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“is” operator behaves unexpectedly with integers
...id(b)
11662828
Here's what I found in the Python 2 documentation, "Plain Integer Objects" (It's the same for Python 3):
The current implementation keeps an
array of integer objects for all
integers between -5 and 256, when you
create an int in that range you
actually just get back a re...
Is there a way to access an iteration-counter in Java's for-each loop?
...n provide your own counter.
The reason for this is that the for-each loop internally does not have a counter; it is based on the Iterable interface, i.e. it uses an Iterator to loop through the "collection" - which may not be a collection at all, and may in fact be something not at all based on ind...
How to get a microtime in Node.js?
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Please check the time units when converting seconds to microseconds. console.log(hrTime[0] * 1000000 + hrTime[1] / 1000)
– itaifrenkel
May 5 '14 at 16:05
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Select multiple images from android gallery
... but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) and thereby i don't want to use a custom adapter but just the vanilla one.
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