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When to use wrapper class and primitive type
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Others have mentioned that certain constructs such as Collections require objects and that objects have more overhead than their primitive counterparts (memory & boxing).
Another consideration is:
It can be handy to initialize Objects to null or send ...
JQuery Event for user pressing enter in a textbox?
Is there any event in Jquery that's triggered only if the user hits the enter button in a textbox? Or any plugin that can be added to include this? If not, how would I write a quick plugin that would do this?
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Transparent ARGB hex value
The colors in this table is all not transparent. I guess the value for the A is set to FF .
5 Answers
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Entity framework code-first null foreign key
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You must make your foreign key nullable:
public class User
{
public int Id { get; set; }
public int? CountryId { get; set; }
public virtual Country Country { get; set; }
}
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Get all child views inside LinearLayout at once
I have a LinearLayout , which contains several child TextViews . How can I get child views of that LinerLayout using a loop?
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What is The difference between ListBox and ListView
What is the difference between WPF's ListBox and ListView? I can not find any significant difference in their properties. Is there different typical use?
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How to assign multiple classes to an HTML container? [closed]
Is it possible to assign multiple classes to a single HTML container?
4 Answers
4
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Non-Singleton Services in AngularJS
AngularJS clearly states in its documentation that Services are Singletons:
8 Answers
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Subscript and Superscript a String in Android
How can you print a string with a subscript or superscript? Can you do this without an external library? I want this to display in a TextView in Android.
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How can I use speech recognition without the annoying dialog in android phones
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Use the SpeechRecognizer interface. Your app needs to have the RECORD_AUDIO permission, and you can then create a SpeechRecognizer, give it a RecognitionListener and then call its startListening method. You will get callbacks to the listener when the...