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Possible to do a MySQL foreign key to one of two possible tables?
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What you're describing is called Polymorphic Associations. That is, the "foreign key" column contains an id value that must exist in one of a set of target tables. Typically the target tables are related in some way, such as being instances of some ...
How to disable / enable dialog negative positive buttons?
... }
});
AlertDialog dialog = builder.create();
dialog.show();
// After calling show method, you need to check your condition and enable/disable the dialog buttons
if (your_condition_true) {
// BUTTON1 is the positive button
dialog.getButton(AlertDialog.BUTTON1).setEnabled(false);
}
Fo...
How to Reload ReCaptcha using JavaScript?
... opt_widget_id is optional and is the id returned from the render call, although, if missing, it will refer to the first created recaptcha widget (if you have only one widget this will suffice).
– frzsombor
Jul 20 at 13:16
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How do I trigger the success callback on a model.save()?
... is correctly posted to the server which handles the save, but the success callback is not fired. Do I need to send something back from the server ?
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Difference between array_map, array_walk and array_filter
...rray_filter . What I could see from documentation is that you could pass a callback function to perform an action on the supplied array. But I don't seem to find any particular difference between them.
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How can I shrink the drawable on a button?
...ort of bug in ScaleDrawables. you'll need to change the "level" programmatically. This should work for every button:
// Fix level of existing drawables
Drawable[] drawables = myButton.getCompoundDrawables();
for (Drawable d : drawables) if (d != null && d instanceof ScaleDrawable) d.setLeve...
Any way to modify Jasmine spies based on arguments?
I have a function I'd like to test which calls an external API method twice, using different parameters. I'd like to mock this external API out with a Jasmine spy, and return different things based on the parameters. Is there any way to do this in Jasmine? The best I can come up with is a hack using...
How to convert a Django QuerySet to a list
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Why not just call list() on the Queryset?
answers_list = list(answers)
This will also evaluate the QuerySet/run the query. You can then remove/add from that list.
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How to create EditText with cross(x) button at end of it?
...on, or is there any property for EditText by which it is created automatically? I want the cross button to delete whatever text written in EditText .
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getSupportActionBar from inside of Fragment ActionBarCompat
...Activity().
You'll need to cast it to an ActionBarActivity then make the call to getSupportActionBar().
((AppCompatActivity)getActivity()).getSupportActionBar().setSubtitle(R.string.subtitle);
You do need the cast. It's not poor design, it's backwards compatibility.
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