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What's the difference between deadlock and livelock?
...eadlock: situation where nobody progress, doing nothing (sleeping, waiting etc..). CPU usage will be low;
Livelock: situation where nobody progress, but CPU is spent on the lock mechanism and not on your calculation;
Starvation: situation where one procress never gets the chance to run; by pure ba...
How to pass parameters correctly?
...::forward may be called only once. I've seen people putting it into loops, etc. and since this answer will be seen by a lot of beginners, there should IMHO be a fat "Warning!"-label to help them avoid this trap.
– Daniel Frey
Mar 25 '13 at 6:17
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What does if __name__ == “__main__”: do?
...add non-trivial system overhead to create and destroy the extra processes, etc.
– Mr Fooz
Feb 19 '19 at 16:16
4
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valueOf() vs. toString() in Javascript
...on object of one of the primitive types (ie. Number(), Boolean(), String() etc.)
Conversion To A Primitive
When attempting to convert non-primitive types to primitives to be operated upon, the abstract operation ToPrimitive is called with an optional "hint" of 'number', or 'string'. If the hint ...
What is the purpose of the -m switch?
...m more is possible, like working with modules which are part of a package, etc. That's what the rest of PEP 338 is about. Read it for more info.
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Java 8: Lambda-Streams, Filter by Method with Exception
...t; R collect(Collector<? super T, A, R> collector) throws X;
// etc
}
class StreamAdapter<T, X extends Throwable> implements ThrowingStream<T, X> {
private static class AdapterException extends RuntimeException {
public AdapterException(Throwable cause) {
...
What are the benefits of dependency injection containers?
...and benefits of other Spring featureslike AOP, helpers of different kinds, etc. I'm just wondering, what are the benefits of XML configuration such as:
...
Performance optimization strategies of last resort [closed]
...y under a broad range of scenarios, and perform null checks on parameters, etc. By re-implementing a method you may be able to strip out a lot of logic that does not apply in the exact circumstance you are using it.
Down-sides: writing additional code means more surface area for bugs.
Do use library...
Passing Parameters JavaFX FXML
...omerDialog(Customer customer) {
FXMLLoader loader = new FXMLLoader(
getClass().getResource(
"customerDialog.fxml"
)
);
Stage stage = new Stage(StageStyle.DECORATED);
stage.setScene(
new Scene(loader.load())
);
CustomerDialogController controller = loader.getController...
What is the performance of Objects/Arrays in JavaScript? (specifically for Google V8)
...me itself (like when it switches from a linkedlist array to a fixed array, etc), and how to optimize them. See GDC 2012: From Console to Chrome for more.
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