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What exactly is a reentrant function?
...t, everything seems ok… But wait:
int main()
{
foo(bar);
return 0;
}
If the lock on mutex is not recursive, then here's what will happen, in the main thread:
main will call foo.
foo will acquire the lock.
foo will call bar, which will call foo.
the 2nd foo will try to acquire the lock...
Why do we need a pure virtual destructor in C++?
...unctions can have implementations).
struct foo {
virtual void bar() = 0;
};
void foo::bar() { /* default implementation */ }
class foof : public foo {
void bar() { foo::bar(); } // have to explicitly call default implementation.
};
...
What port is a given program using? [closed]
...|
edited May 23 '17 at 12:02
Community♦
111 silver badge
answered Sep 19 '08 at 20:41
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proguard hell - can't find referenced class
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Wesley
3,80966 gold badges3535 silver badges5858 bronze badges
answered Aug 9 '11 at 21:12
Eric LafortuneEric L...
Can a Byte[] Array be written to a file in C#?
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edited Jul 17 '13 at 0:17
answered Dec 19 '08 at 16:58
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What does auto&& tell us?
...
240
By using auto&& var = <initializer> you are saying: I will accept any initializer ...
How to find the statistical mode?
...
On my dinky little machine, that can generate & find the mode of a 10M-integer vector in about half a second.
If your data set might have multiple modes, the above solution takes the same approach as which.max, and returns the first-appearing value of the set of modes. To return all modes, ...
C# DateTime.Now precision
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answered Jan 27 '10 at 0:36
Eric LippertEric Lippert
599k164164 gold badges11551155 silver badges20142014 bronze badges
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Find all storage devices attached to a Linux machine [closed]
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Giacomo1968
23.3k1010 gold badges5858 silver badges8787 bronze badges
answered Oct 14 '08 at 13:11
Steve BakerSteve Bak...
How do you serialize a model instance in Django?
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answered Jul 20 '10 at 10:31
xaralisxaralis
3,97611 gold badge1919 silver badges2020 bronze badges
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