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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...
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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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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In c++ what does a tilde “~” before a function name signify?
...ack.
But taking your question exactly as it appears in the title:
In c++ what does a tilde “~” before a function name signify?
there is another situation. In any context except immediately before the name of a class (which is the destructor context), ~ is the one's complement (or bitwise...
Should I return EXIT_SUCCESS or 0 from main()?
...stion, but I keep seeing conflicting answers: should the main routine of a C++ program return 0 or EXIT_SUCCESS ?
8 Answ...
How to convert a number to string and vice versa in C++
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Update for C++11
As of the C++11 standard, string-to-number conversion and vice-versa are built in into the standard library. All the following functions are present in <string> (as per paragraph 21.5).
string to numeric
float ...
Difference between CPPFLAGS and CXXFLAGS in GNU Make
...osed to be for flags for the C PreProcessor; CXXFLAGS is for flags for the C++ compiler.
The default rules in make (on my machine, at any rate) pass CPPFLAGS to just about everything, CFLAGS is only passed when compiling and linking C, and CXXFLAGS is only passed when compiling and linking C++.
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Example of UUID generation using Boost in C++
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