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Why is it not possible to extend annotations in Java?
... enum AnnotationCategory {
GENERAL,
SEMANTICS,
VALIDATION,
ETC
}
@Category(category={AnnotationCategory.GENERAL, AnnotationCategory.SEMANTICS})
public @interface FooBarAnnotation {
}
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When to use thread pool in C#? [closed]
... a thread is waiting on a synchronization object (event, semaphore, mutex, etc) then the thread does not consume CPU.
– Brannon
Sep 28 '08 at 7:18
7
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When and how should I use a ThreadLocal variable?
...framework when you use thread injection instead of classic DI (eg., Spring etc.,)
– Volksman
Apr 27 '13 at 2:25
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Comparing Java enum members: == or equals()?
...
@Nivas: why not? Do you like worrying about the order of your arguments (which only applies to comparing constants from the left, as in Pascal's answer)? Do you like always checking that a value is not null before .equals()ing it? I know I don't.
– Ma...
How do I render a partial of a different format in Rails?
...at, whereas the simple approach specifies the template engine (ERB/builder/etc) as well.
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Where is the syntax for TypeScript comments documented?
...JSDoc.
You can (and should) still use other jsdoc block tags like @returns etc.
Example
Just an example. Focus on the types (not the content).
JSDoc version (notice types in docs):
/**
* Returns the sum of a and b
* @param {number} a
* @param {number} b
* @returns {number}
*/
function sum(a, b)...
How does the vim “write with sudo” trick work?
...command redirected using tee. The % is nothing but current file name i.e. /etc/apache2/conf.d/mediawiki.conf. In other words tee command is run as root and it takes standard input and write it to a file represented by %. However, this will prompt to reload file again (hit L to load changes in vim it...
Why do this() and super() have to be the first statement in a constructor?
...appear first, enforces that constructor bodies are executed in the correct order which would be: Object -> Parent -> Child -> ChildOfChild -> SoOnSoForth
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UI Design Pattern for Windows Forms (like MVVM for WPF)
...s solution can be applied in various platforms (WPF, WinForms, Java Swing, etc.). I agree that MVVM is best used with WPF because it leverages the strong binding capabilities. However, Windows Forms supports data binding as well.
The WAF Windows Forms Adapter shows how to apply the MVVM Pattern in ...
Is there a list of screen resolutions for all Android based phones and tablets? [closed]
...s with larger aspect ratio.
Most likely, you would instead design it to stretch over the 1.333 to 1.778 range. But sometimes part of your design looks too distorted then.
Advanced layout ideas:
For text, you can design for 1.3333, then increase line spacing for 1.666 - though that will loo...