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Objective-C Static Class Level variables
...C as programming language.
Objective-C does not support class variables as C++ does.
One Alternative:
Simulate a class variable behavior using Objective-C features
Declare/Define an static variable within the classA.m so it will be only accessible for the classA methods (and everything you put ins...
Can “this” ever be null in Java?
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I don't know deeply about Java, but in C++ the this of an instance method could be NULL. So I am not quite convinced this is a sufficient reason in Java.
– kennytm
Sep 24 '10 at 17:32
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Can I use if (pointer) instead of if (pointer != NULL)?
...to boolean false while non-null pointers are converted into true. From the C++11 standard, section on Boolean Conversions:
A prvalue of arithmetic, unscoped enumeration, pointer, or pointer to member type can be converted to a
prvalue of type
bool. A zero value, null pointer value, or null m...
Do I need to explicitly call the base virtual destructor?
When overriding a class in C++ (with a virtual destructor) I am implementing the destructor again as virtual on the inheriting class, but do I need to call the base destructor?
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Why doesn't std::queue::pop return value.?
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C++11 note: if T has a cheap noexcept move-constructor (which is often the case for the kind of objects put in stacks) then returning by value is efficient and exception-safe.
– Roman L
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What was the strangest coding standard rule that you were forced to follow? [closed]
...ere banned. Then the fact this was a leftover from C, rendered obsolete by C++ RAII and functions with size less than 15 lines, was revealed. Since then, like Braveheart: "FREEDOM !!!!" ... :-p ...
– paercebal
Oct 20 '08 at 21:13
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initialize a vector to zeros C++/C++11
I know in C++11 they added the feature to initialize a variable to zero as such
2 Answers
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Is “else if” faster than “switch() case”? [duplicate]
...55565 seconds. The published winning C# solution takes 0.166 seconds, with C++ in second place at 429.46 seconds to find the incorrect answer. And CLR is inherently slow? Hmmm... I don't think so Tim ;-)
– corlettk
May 18 '09 at 11:58
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to_string is not a member of std, says g++ (mingw)
...would would be flashed at me randomly for meanings. I want to use standard C++ library as Bjarne Stroustroup tells us, but I have encountered a seemingly strange problem right out of the gate.
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Should I use int or Int32
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For those of you with the old C++ mindset, IntPtr is designed to be 32 bits on a 32 bit OS and 64 bits on a 64 bit OS. This behavior is specifically mentioned in its summary tag. msdn.microsoft.com/en-us/library/system.intptr(VS.71).aspx
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