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What is the difference between \r and \n?
...e, \n always means Unicode U+000A, which is defined as line feed. In C and C++ the water is somewhat muddier, as the meaning is platform-specific. See comments for details.
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Is there any overhead to declaring a variable within a loop? (C++)
...t could indeed be cheaper. Also, as we expand this discussion from ints to C++ types, one could generalize 'var=4' as some other operation than 'assign variable from a value of the same type'.
– greggo
Mar 5 '14 at 20:15
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Why are const parameters not allowed in C#?
It looks strange especially for C++ developers. In C++ we used to mark a parameter as const in order to be sure that its state will not be changed in the method. There are also other C++ specific reasons, like passing const ref in order to pass by ref and be sure that state will not be changed. ...
C++ convert hex string to signed integer
I want to convert a hex string to a 32 bit signed integer in C++.
9 Answers
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What do single quotes do in C++ when used on multiple characters?
...ses as
0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that contains more than
one c-char is a multicharacter literal . A multicharacter literal has type int and implementation-defined
value.
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How to get the number of characters in a std::string?
How should I get the number of characters in a string in C++?
12 Answers
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Why is 'this' a pointer and not a reference?
I was reading the answers to this question C++ pros and cons and got this doubt while reading the comments.
2 Answers
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Efficient way to return a std::vector in c++
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In C++11, this is the preferred way:
std::vector<X> f();
That is, return by value.
With C++11, std::vector has move-semantics, which means the local vector declared in your function will be moved on return and in some...
Why is this F# code so slow?
...mation at compile time to do this. This is how it would work if min3 was a C++ template function, so I'm a bit puzzled as to why F# doesn't do this.
– sashang
May 24 '11 at 0:00
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LLVM C++ IDE for Windows
Is there some C/C++ IDE for Windows, which is integrated with the LLVM compiler (and Clang C/C++ analyzer), just like modern Xcode do.
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