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Create objective-c class instance by name?
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id object = [[NSClassFromString(@"NameofClass") alloc] init];
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How to fix the Hibernate “object references an unsaved transient instance - save the transient insta
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@OneToOne(cascade = {CascadeType.ALL})
@JoinColumn(name = "performancelog_id")
public PerformanceLog getPerformanceLog() {
return performanceLog;
}
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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 ...
SQL keys, MUL vs PRI vs UNI
...rences another table's primary key is MUL
mysql> create table penguins(id int primary key);
Query OK, 0 rows affected (0.01 sec)
mysql> create table skipper(id int, foreign key(id) references penguins(id));
Query OK, 0 rows affected (0.01 sec)
mysql> desc skipper;
+-------+---------+----...
putting datepicker() on dynamically created elements - JQuery/JQueryUI
... datepicker. If you do, add this to remove the hasDatepicker class AND the id datepicker adds to your input: .... find('input.hasDatepicker').removeClass('hasDatepicker').removeAttr('id');
– yahermann
Jan 27 '17 at 5:35
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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 ...
Removing array item by value
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@srcspider why not? $referenced = array_diff($referenced, $items_to_remove);
– Alejandro García Iglesias
Aug 22 '13 at 0:09
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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
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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...
Getting the object's property name
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@ChadSchouggins What you said is true, but that's not the question I'm answering, because yes, you can loop through an object get each property name. I'm answering a question that may not be what the OP intended, I just wanted to clarify that multiple ...