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How to activate “Share” button in android app?
...ow which application used for sharing and after sharing complete i have to call one API. Is to possible to check which application used and also how to call API after sharing? Thank you...
– patel135
Jun 6 '16 at 6:00
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Cannot delete or update a parent row: a foreign key constraint fails
...lete in the parent table causes rows in child tables to be deleted automatically. This is called a cascading delete. It looks something like this:
ALTER TABLE `advertisers`
ADD CONSTRAINT `advertisers_ibfk_1`
FOREIGN KEY (`advertiser_id`) REFERENCES `jobs` (`advertiser_id`)
ON DELETE CASCADE;
Hav...
Deleting all records in a database table
...elete via SQL
Item.delete_all # accepts optional conditions
To delete by calling each model's destroy method (expensive but ensures callbacks are called)
Item.destroy_all # accepts optional conditions
All here
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.Contains() on a list of custom class objects
...ctually arguing that you don't touch the comparison code AT ALL - you just call the right method on the list for the task you're trying to accomplish...
– Martin Milan
Apr 13 '10 at 12:01
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jQuery change input text value
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When set the new value of element, you need call trigger change.
$('element').val(newValue).trigger('change');
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ARC and bridged cast
... __bridge_transfer? Otherwise it would seem that the moment CFRelease() is called the object is gone and points to nothing. Similarly, when you use __bridge_retain, does ARC reduce the op's retain count by 1? Else it seems that the object would never be properly released.
– Ton...
ViewPager with Google Maps API v2: mysterious black view
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None of the fixes worked for me. I have practically the same issue as Michal K. Using SlidingMenu and opening or closing slowly at a continuous speed and there is no problem. Fling open or press back to close the window and it looks like the map lags a bit leaving a blan...
Can an angular directive pass arguments to functions in expressions specified in the directive's att
I have a form directive that uses a specified callback attribute with an isolate scope:
5 Answers
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How to force a view refresh without having it trigger automatically from an observable?
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You can't call something on the entire viewModel, but on an individual observable you can call myObservable.valueHasMutated() to notify subscribers that they should re-evaluate. This is generally not necessary in KO, as you mentioned....
linq query to return distinct field values from a list of objects
..., it's easy - project to that with Select and then use the normal Distinct call.)
In MoreLINQ we have the DistinctBy operator which you could use:
var distinct = list.DistinctBy(x => x.typeID);
This only works for LINQ to Objects though.
You can use a grouping or a lookup, it's just somewhat...