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Why can a function modify some arguments as perceived by the caller, but not others?
I'm trying to understand Python's approach to variable scope. In this example, why is f() able to alter the value of x , as perceived within main() , but not the value of n ?
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How do you assert that a certain exception is thrown in JUnit 4 tests?
...sException.class)
public void testIndexOutOfBoundsException() {
ArrayList emptyList = new ArrayList();
Object o = emptyList.get(0);
}
Though answer https://stackoverflow.com/a/31826781/2986984 has more options for JUnit <= 4.12.
Reference :
JUnit Test-FAQ
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How to get current foreground activity context in android?
Whenever my broadcast is executed I want to show alert to foreground activity.
14 Answers
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How do you build a Singleton in Dart?
The singleton pattern ensures only one instance of a class is ever created. How do I build this in Dart?
15 Answers
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How to rethrow InnerException without losing stack trace in C#?
...per reflection puts around it?
I am rethrowing the InnerException, but this destroys the stack trace.
Example code:
10 ...
How does password salt help against a rainbow table attack?
...rpose of a salt to a password. It's my understanding that the primary use is to hamper a rainbow table attack. However, the methods I've seen to implement this don't seem to really make the problem harder.
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Flags to enable thorough and verbose g++ warnings
...es that should get the maximum level of warning. I then removed from that list the set of warnings that I feel do not actually indicate something bad is happening, or else have too many false positives to be used in a real build. I commented as to why each of the ones I excluded were excluded. This ...
Something like 'contains any' for Java set?
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Wouldn't Collections.disjoint(A, B) work? From the documentation:
Returns true if the two specified collections have no elements in common.
Thus, the method returns false if the collections contains any common elements.
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Will Google Android ever support .NET? [closed]
Now that the G1 with Google's Android OS is now available (soon), will the android platform ever support .Net?
13 Answers
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(HTML) Download a PDF file instead of opening them in browser when clicked
...e a PDF file link downloadable instead of opening them in the browser? How is this done in html? (I'd assume it's done via javascript or something).
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