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Why JSF saves the state of UI components on server?
...tree provides information about the request parameter names, the necessary converters/validators, the bound managed bean properties and action methods.
Until what point in time does JSF save the state of UI components on the server side and when exactly is the UI component's state information remo...
What do two question marks together mean in C#?
...e an expression is a method call with side effects. (Credit to @Joey for pointing this out.)
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What is Java Servlet?
...nd HTTP, its a Java program, it only understands objects, so web container converts that request into valid request object
Web container spins a thread for each request
All the business logic goes inside doGet() or doPost() callback methods inside the servlets
Servlet builds a Java response object ...
How do I get the type name of a generic type argument?
...tatic void Main(string[] args)
{
Console.WriteLine(MyMethod<int>());
Console.ReadKey();
}
}
Running the above prints (as expected):
System.Int32
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Multiple levels of 'collection.defaultdict' in Python
...:
from collections import defaultdict
d = defaultdict(lambda: defaultdict(int))
This will create a new defaultdict(int) whenever a new key is accessed in d.
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How to make a window always stay on top in .Net?
...ion, anyway.
First, import the following namespace:
using System.Runtime.InteropServices;
Add a few variables to your class declaration:
private static readonly IntPtr HWND_TOPMOST = new IntPtr(-1);
private const UInt32 SWP_NOSIZE = 0x0001;
private const UInt32 SWP_NOMOVE = 0x0002;
private cons...
Android Fragments. Retaining an AsyncTask during screen rotation or configuration change
...e through Fragment.getActivity().isChangingConfigurations(). So, at the point where you would decide to stop your AsyncTask (in onStop() or onDestroy() most likely), you could for example check if the configuration is changing and if so stick it in a static SparseArray under the fragment's identifi...
Clearing intent
My Android app is getting called by an intent that is passing information (pendingintent in statusbar).
20 Answers
...
Sum a list of numbers in Python
... you want to see decimals in the result, even though your input values are integers. By default, Python does integer division: it discards the remainder. To divide things through all the way, we need to use floating-point numbers. Fortunately, dividing an int by a float will produce a float, so we j...
Abstract class in Java
...act methods which the inheriting subclass must implement.
Provide a common interface which allows the subclass to be interchanged with all other subclasses.
Here's an example:
abstract public class AbstractClass
{
abstract public void abstractMethod();
public void implementedMethod() { Sy...