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setResult does not work when BACK button pressed
I am trying to setResult after the BACK button was pressed. I call in onDestroy
10 Answers
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What is the difference between ExecuteScalar, ExecuteReader and ExecuteNonQuery?
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ExecuteScalar is typically used when your query returns a single value. If it returns more, then the result is the first column of the first row. An example might be SELECT @@IDENTITY AS 'Identity'.
ExecuteReader is used for any result set with ...
How to show soft-keyboard when edittext is focused
I want to automatically show the soft-keyboard when an EditText is focused (if the device does not have a physical keyboard) and I have two problems:
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How to get an array of specific “key” in multidimensional array without looping
...ds = array_map(function ($ar) {return $ar['id'];}, $users);
Before(Technically php 4.0.6+), you must create an anonymous function with create_function instead:
$ids = array_map(create_function('$ar', 'return $ar["id"];'), $users);
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How to create our own Listener interface in android?
... // you can define any parameter as per your requirement
public void callback(View view, String result);
}
In your activity, implement the interface:
MyActivity.java:
public class MyActivity extends Activity implements MyListener {
@override
public void onCreate(){
My...
How to easily initialize a list of Tuples?
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You can do this by calling the constructor each time with is slightly better
var tupleList = new List<Tuple<int, string>>
{
new Tuple<int, string>(1, "cow" ),
new Tuple<int, string>( 5, "chickens" ),
new Tup...
creating a random number using MYSQL
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This should give what you want:
FLOOR(RAND() * 401) + 100
Generically, FLOOR(RAND() * (<max> - <min> + 1)) + <min> generates a number between <min> and <max> inclusive.
Update
This full statement should work:
SELECT name, address, FLOOR(RAND() * 401) + 100...
Change UICollectionViewCell size on different device orientations
...on
{
[self.collectionView performBatchUpdates:nil completion:nil];
}
Calling -performBatchUpdates:completion: will invalidate the layout and resize the cells with animation (you can just pass nil to both block params if you've no extra adjustments to perform).
2) Instead of hardcoding the ite...
How set background drawable programmatically in Android
...awable(this, R.drawable.ready));
getActivity() is used in a fragment, if calling from a activity use this.
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How to disable back swipe gesture in UINavigationController on iOS 7
... @AhsanEbrahim, when the back gesture starts, viewWillAppear is called on the view behind the current view. This can cause havoc in code logic since the current view is still active. Might be the cause of your crash.
– phatmann
May 31 '15 at 12:06
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