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Is inline assembly language slower than native C++ code?
I tried to compare the performance of inline assembly language and C++ code, so I wrote a function that add two arrays of size 2000 for 100000 times. Here's the code:
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How do I get the type of a variable?
In C++, how does one find the type of a variable?
10 Answers
10
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C++ “virtual” keyword for functions in derived classes. Is it necessary?
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This is true, but the Mozilla C++ Portability Guide recommends always using virtual because "some compilers" issue warnings if you don't. Too bad they don't mention any examples of such compilers.
– Sergei Tachenov
F...
C++ include and import difference
What is the difference between #include and #import in C++?
5 Answers
5
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C++ cout hex values?
...com/fYXyh6. This is permitted for ios::floatfield according to Thinking in C++ vol 2 page 189, but it doesn't say the same about ios::basefield.
– Joel Sjögren
Jul 21 '13 at 15:14
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Why does fatal error “LNK1104: cannot open file 'C:\Program.obj'” occur when I compile a C++ project
I've created a new C++ project in Visual Studio 2008. No code has been written yet; Only project settings have been changed.
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Who architected / designed C++'s IOStreams, and would it still be considered well-designed by today'
... earlier streams library, but were authored at a time when many of today's C++ idioms didn't exist, so the designers didn't have the benefit of hindsight. One issue that only became apparent over time was that it is almost impossible to implement IOStreams as efficiently as C's stdio, due to the cop...
Cannot find or open the PDB file in Visual Studio C++ 2010
I use Visual Studio 2010 C++ and my project builds without errors but when I run it I get this. I am on Windows XP.
7 Answe...
Convert char to int in C and C++
How do I convert a char to an int in C and C++?
12 Answers
12
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(-2147483648> 0) returns true in C++?
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-2147483648 is not a "number". C++ language does not support negative literal values.
-2147483648 is actually an expression: a positive literal value 2147483648 with unary - operator in front of it. Value 2147483648 is apparently too large for the positiv...