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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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C++ convert hex string to signed integer

I want to convert a hex string to a 32 bit signed integer in C++. 9 Answers 9 ...
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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 12 ...
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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++

... 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...
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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 42...
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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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Returning a C string from a function

... { return "My String"; } Background: It's so fundamental to C & C++, but little more discussion should be in order. In C (& C++ for that matter), a string is just an array of bytes terminated with a zero byte - hence the term "string-zero" is used to represent this particular flavour...
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How to generate a random number in C++?

...es but for any serious use they are mostly useless. EDIT2: When using C or C++ standard library it is important to understand that as of now there is not a single standard function or class producing actually random data definitively (guaranteed by the standard). The only standard tool that approach...