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How to define a List bean in Spring?
I'm using Spring to define stages in my application. It's configured that the necessary class (here called Configurator ) is injected with the stages.
Now I need the List of Stages in another class, named LoginBean . The Configurator doesn't offer access to his List of Stages.
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A field initializer cannot reference the nonstatic field, method, or property
I have a class and when I try to use it in another class I receive the error below.
4 Answers
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How to sort my paws?
In my previous question I got an excellent answer that helped me detect where a paw hit a pressure plate, but now I'm struggling to link these results to their corresponding paws:
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Best way to specify whitespace in a String.Split operation
I am splitting a string based on whitespace as follows:
11 Answers
11
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Is there a better way of writing v = (v == 0 ? 1 : 0); [closed]
... can simply use:
v = 1 - v;
This of course assumes that the variable is initialised properly, i.e. that it only has the value 0 or 1.
Another method that is shorter but uses a less common operator:
v ^= 1;
Edit:
To be clear; I never approached this question as code golf, just to find a short...
Check if application is on its first run [duplicate]
...etup some of application's attributes based on Application first run after installation. Is there any way to find that the application is running for the first time and then to setup its first run attributes?
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Differences between strong and weak in Objective-C
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A strong reference (which you will use in most cases) means that you want to "own" the object you are referencing with this property/variable. The compiler will take care that any object that you assign to this property will not be destroyed as long as you point t...
'float' vs. 'double' precision
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Floating point numbers in C use IEEE 754 encoding.
This type of encoding uses a sign, a significand, and an exponent.
Because of this encoding, many numbers will have small changes to allow them to be stored.
Also, the number o...
Get all inherited classes of an abstract class [duplicate]
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This is such a common problem, especially in GUI applications, that I'm surprised there isn't a BCL class to do this out of the box. Here's how I do it.
public static class ReflectiveEnumerator
{
static ReflectiveEnumerator() { }
public static IEnumerable&l...
SparseArray vs HashMap
I can think of several reasons why HashMap s with integer keys are much better than SparseArray s:
7 Answers
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