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Storing WPF Image Resources
...
If you will use the image in multiple places, then it's worth loading the image data only once into memory and then sharing it between all Image elements.
To do this, create a BitmapSource as a resource somewhere:
<BitmapImage x:Key="MyImageSource" U...
How to check if a function exists on a SQL database
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This is what SSMS uses when you script using the DROP and CREATE option
IF EXISTS (SELECT *
FROM sys.objects
WHERE object_id = OBJECT_ID(N'[dbo].[foo]')
AND type IN ( N'FN', N'IF', N'TF', N'FS', N'FT' ))
DROP FU...
jquery stop child triggering parent event
... more elegant solution since you don't have to add an explicit preventDefault() to every child element.
– Ryan Griggs
Oct 16 '16 at 19:32
6
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Custom error pages on asp.net MVC3
...errors:
public class ErrorsController : Controller
{
public ActionResult General(Exception exception)
{
return Content("General failure", "text/plain");
}
public ActionResult Http404()
{
return Content("Not found", "text/plain");
}
public ActionResult H...
Can you center a Button in RelativeLayout?
...oid:layout_centerHorizontal="true"
Exactly like this, it works for me:
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#ff0000"&...
MVC which submit button has been pressed
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Name both your submit buttons the same
<input name="submit" type="submit" id="submit" value="Save" />
<input name="submit" type="submit" id="process" value="Process" />
Then in your controller get the value of submit. Only the button clicked will pass...
Android - Back button in the title bar
...Intent(getApplicationContext(), MyActivity.class);
startActivityForResult(myIntent, 0);
return true;
}
That's it!
(In the Android developers API, it recommends messing around with the manifest and adding stuff like android:parentActivityName. But that doesn't seem to work for me. The a...
Is well formed without a ?
Is it valid to have <input> without it being in a <form> ?
7 Answers
7
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...t.
The error you are getting is
'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused by the Second view controller in MainWindow.xib having a class of UIViewController...
Fragment Inside Fragment
...ain.xml
Add a FrameLayout to your activity to hold the parent fragment.
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
...