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How do I get an empty array of any size in python?
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One thing you have to watch out for with a = [obj] * N is that the same obj appears in each element of the array. If it a mutable obj, and you modify one item, all will be changed. ...But, for this example using integers (or any other immutable type), it makes...
Hibernate throws MultipleBagFetchException - cannot simultaneously fetch multiple bags
...ernate (supporting JPA 2.0) should handle this. But otherwise you can work it around by annotating the collection fields with:
@LazyCollection(LazyCollectionOption.FALSE)
Remember to remove the fetchType attribute from the @*ToMany annotation.
But note that in most cases a Set<Child> is mo...
How to pass a function as a parameter in Java? [duplicate]
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Using Java 8+ lambda expressions, if you have a class or interface with only a single abstract method (sometimes called a SAM type), for example:
public interface MyInterface {
String doSomething(int param1, String param2);
}
then anywhere where MyInterface is used, you can substitute ...
Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
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It means you're trying to install an app with the same packageName as an app that's already installed on the emulator, but the one you're trying to install has a lower versionCode (integer value for your version number).
You...
How to get the raw value an field?
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According to the WHATWG, you shouldn't be able to get the value unless it's valid numeric input. The input number field's sanitization algorithm says the browser is supposed to set the value to an empty string if the input isn't a valid floating point number.
The value sanitization algorithm...
Eclipse java debugging: source not found
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Eclipse debugging works with the class actually loaded by the program.
The symptoms you describe sounds like the class in question was not found in the project, but in a distribution jar without debug info found before the project you are working wi...
How to customize the back button on ActionBar
...ble specified in the homeAsUpIndicator attribute of the theme. To override it with your own custom version it would be something like this:
<style name="Theme.MyFancyTheme" parent="android:Theme.Holo">
<item name="android:homeAsUpIndicator">@drawable/my_fancy_up_indicator</item&g...
How to deal with persistent storage (e.g. databases) in Docker
How do people deal with persistent storage for your Docker containers?
14 Answers
14
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Android XML Percent Symbol
...rmat for using the % is &#37; . When I have a string in that array with multiple &#37; it gives me this error.
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HTTP requests and JSON parsing in Python
...icago, IL to Los Angeles, CA via two waypoints in Joplin, MO and Oklahoma City, OK:
8 Answers
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