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How to delete all Annotations on a MKMapView
... to blink on the map, due to removing
the pin then adding it back
- (void)removeAllPinsButUserLocation1
{
id userLocation = [mapView userLocation];
[mapView removeAnnotations:[mapView annotations]];
if ( userLocation != nil ) {
[mapView addAnnotation:userLocation]; // will ...
How do I revert all local changes in Git managed project to previous state?
...f confusing to read. "❌ Does NOT delete local, non-pushed commits". That means it doesn't NOT delete. The double negative means that it does delete?
– styfle
May 25 '17 at 17:24
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Play an audio file using jQuery when a button is clicked
...learnt .currentTimeabove, to learn its length we use .duration.
Example Guide
When document is ready we created an audio element dynamically
We set its source with the audio we want to play.
We used 'ended' event to start file again.
When the currentTime is equal to its duration audio file ...
Can I unshelve to a different branch in tfs 2008?
...
@JohnSaunders you mean a shelveset with any adds or exclusively adds? I haven't needed to do this in years :)
– Simon_Weaver
May 10 '15 at 20:16
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Removing array item by value
...
@srcspider why not? $referenced = array_diff($referenced, $items_to_remove);
– Alejandro García Iglesias
Aug 22 '13 at 0:09
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Should I use char** argv or char* argv[]?
...ad any array parameter is a pointer, the array's size doesn't matter. That means, the compiler will translate all of the following, and all are the same thing:
int main(int c, char **argv);
int main(int c, char *argv[]);
int main(int c, char *argv[1]);
int main(int c, char *argv[42]);
Of course, ...
is it possible to change values of the array when doing foreach in javascript?
...ause arr is an array of Strings, it's an array of primitive objects, which means they are stored by value.
So for your code above, this means that each time the forEach() iterates, part is equal to the same value as arr[index], but not the same object.
part = "four"; will change the part variable,...
Notification passes old Intent Extras
i am creating a notification inside a BroadcastReceiver via this code:
6 Answers
6
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Understanding the ngRepeat 'track by' expression
...
You can track by $index if your data source has duplicate identifiers
e.g.: $scope.dataSource: [{id:1,name:'one'}, {id:1,name:'one too'}, {id:2,name:'two'}]
You can't iterate this collection while using 'id' as identifier (duplicate id:1).
WON'T WORK:
<element ng-repeat="item...
Creating a dynamic choice field
... self.fields['waypoints'] = forms.ChoiceField(
choices=[(o.id, str(o)) for o in Waypoint.objects.filter(user=user)]
)
from your view while initiating the form pass the user
form = waypointForm(user)
in case of model form
class waypointForm(forms.ModelForm):
def __in...