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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++
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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
42...
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
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{
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...
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...
What is object slicing?
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Interesting. I've been programming in C++ for 15 years and this issue never occurred to me, as I've always passed objects by reference as a matter of efficiency and personal style. Goes to show how good habits can help you.
– Karl Bielefeld...
How do you reverse a string in place in C or C++?
How do you reverse a string in C or C++ without requiring a separate buffer to hold the reversed string?
30 Answers
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Language Books/Tutorials for popular languages
...ad-tree book.
If you want to learn C, read K&R. If you want to learn C++, read Stroustrup. If you want to learn Lisp/Scheme, read SICP. Etc.
If you're not willing to spend more than $30 and a few hours to learn a language, you probably aren't going to learn it.
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