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What is the difference between Views and Materialized Views in Oracle?
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Materialized views are disk based and are updated periodically based upon the query definition.
Views are virtual only and run the query definition each time they are accessed.
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How do I check if a type provides a parameterless constructor?
...Type.EmptyTypes, null);
There's a caveat for value types, which aren't allowed to have a default constructor. You can check if you have a value type using the Type.IsValueType property, and create instances using Activator.CreateInstance(Type);
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Ignore mapping one property with Automapper
...mapper and I have the following scenario:
Class OrderModel has a property called 'ProductName' that isn't in the database.
So when I try to do the mapping with:
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UIButton: how to center an image and a text using imageEdgeInsets and titleEdgeInsets?
...et the imageEdgeInsets more close to the top, the image stays centered and all works as expected:
26 Answers
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The current SynchronizationContext may not be used as a TaskScheduler
I am using Tasks to run long running server calls in my ViewModel and the results are marshalled back on Dispatcher using TaskScheduler.FromSyncronizationContext() . For example:
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How do I make a splash screen?
... of wait **/
private final int SPLASH_DISPLAY_LENGTH = 1000;
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.splashscreen);
/* New Handler to start the Menu-Act...
Why can't I call read() twice on an open file?
...ntents of a given file twice using the read() method. Strangely, when I call it the second time, it doesn't seem to return the file content as a string?
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What's the best way to retry an AJAX request on failure using jQuery?
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will this work if another callback handler like .success is attached to calling the function that returns this ajax request?
– ProblemsOfSumit
Jan 21 '15 at 12:17
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Populating Spring @Value during Unit Test
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Or even without Spring dependencies at all by changing the field to default access (package protected) to make it simply accessible to the test.
– Arne Burmeister
Jan 13 '16 at 10:03
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How can I force clients to refresh JavaScript files?
...sion of the file and they do not see the update. Obviously, on a support call, we can simply inform them to do a ctrl F5 refresh to ensure that they get the up-to-date files from the server, but it would be preferable to handle this before that time.
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