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What is an efficient way to implement a singleton pattern in Java? [closed]
...Singleton
public enum Elvis {
INSTANCE;
private final String[] favoriteSongs =
{ "Hound Dog", "Heartbreak Hotel" };
public void printFavorites() {
System.out.println(Arrays.toString(favoriteSongs));
}
}
Edit: An online portion of "Effective Java" says:
"This ...
Application Crashes With “Internal Error In The .NET Runtime”
... this exception immediately terminates the program. The generic cause is corruption of the state of the garbage collected heap. Which in turn is invariably caused by unmanaged code. The exact location in code at which this exception is raised isn't helpful, the corruption usually occurred well be...
Android Studio - How to increase Allocated Heap Size
I've been using Android Studio for 3 months now and one of the apps I started on it has become fairly large. The memory usage indicated at the bottom right of the program says my allocated heap is maxed at 494M.
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Business logic in MVC [closed]
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Business rules go in the model.
Say you were displaying emails for a mailing list. The user clicks the "delete" button next to one of the emails, the controller notifies the model to delete entry N, then notifies the view the model has changed.
Perhaps the admin's email should never be r...
AngularJS check if form is valid in controller
I need to check if a form is valid in a controller.
4 Answers
4
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How to read the database table name of a Model instance?
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Found the answer myself: the _meta attribute of an instance has the information:
model_instance._meta.db_table
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How do I access the ModelState from within my View (aspx page)?
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Also worthy to note that you can just do ViewData.ModelState and if you want to display some conditional markup on errors you can do like this: @if (!ViewData.ModelState.IsValid)
– The Muffin Man
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Using Regular Expressions to Extract a Value in Java
I have several strings in the rough form:
13 Answers
13
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Full screen background image in an activity
...e several ways you can do it.
Option 1:
Create different perfect images for different dpi and place them in related drawable folder. Then set
android:background="@drawable/your_image"
Option 2:
Add a single large image. Use FrameLayout. As a first child add an ImageView. Set the following in y...
Why is the tag deprecated in HTML?
... answered Nov 25 '09 at 18:06
Jordan Ryan MooreJordan Ryan Moore
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