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How do I filter ForeignKey choices in a Django ModelForm?
...t impossible for a user to delete anything, and it also removes the delete buttons from the admin site.
The third override filters any query that contains a reference to (in the example 'user' or 'porcupine' (just as an illustration).
The last override filters any foreignkey field in the model...
showDialog deprecated. What's the alternative?
...alog.setTitle("this is a dialog box ");
alertDialog.setPositiveButton("ok", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
// TODO Auto-generated method stub
...
How to link to apps on the app store
I am creating a free version of my iPhone game. I want to have a button inside the free version that takes people to the paid version in the app store. If I use a standard link
...
How to check visibility of software keyboard in Android?
...oardDP = 100;
// From @nathanielwolf answer... Lollipop includes button bar in the root. Add height of button bar (48dp) to maxDiff
private final int EstimatedKeyboardDP = DefaultKeyboardDP + (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ? 48 : 0);
private fina...
Variable is accessed within inner class. Needs to be declared final
...
@ignis I'm getting a NullPointerException error on addSiteButton.setOnClickListener(new View.OnClickListener() { do you have any idea why that would be coming up?
– PhDeOliveira
Jan 21 '13 at 16:52
...
OOP vs Functional Programming vs Procedural [closed]
...l suited. The Window is an Object, the Textboxes are Objects, and the Okay-Button is one too. On the other Hand stuff like String Processing can be done with much less overhead and therefore more straightforward with simple procedural paradigma.
I don't think it is a question of the language neith...
What is the use of Enumerable.Zip extension method in Linq?
...roduce IEnumerable<MouseXDelta>. Similarly, sampled bool values of a button can be interpretted into events like NotPressed/Clicked/Held/Released. Those events can then drive calls to delegate methods. Here's an example:
using System;
using System.Collections.Generic;
using System.Linq;
enum...
HTML5 dragleave fired when hovering a child element
...
What if your children is a Button? o.O
– David
Mar 15 '16 at 11:47
10
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onTouchListener warning: onTouch should call View#performClick when a click is detected
... addition to his answer, for doing the same on classes like android.widget.Button or Button you need to make a simple custom view which extends the target view.
Example :
The Custom View Class:
public class UselessButton extends AppCompatButton {
public UselessButton(Context context) {
...
ASP.Net: Literal vs Label
...
CHECKBOXES! RADIO-BUTTONS! If you use Label controls, you can add the AssociatedControlID attribute with the ID of the checkbox or radio-button that the label is associated with. That way you can click on the label, and the associated contro...