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Switching between GCC and Clang/LLVM using CMake
...CMake honors the environment variables CC and CXX upon detecting the C and C++ compiler to use:
$ export CC=/usr/bin/clang
$ export CXX=/usr/bin/clang++
$ cmake ..
-- The C compiler identification is Clang
-- The CXX compiler identification is Clang
The compiler specific flags can be overridden b...
How to use the PI constant in C++
I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions with include <math.h> . However, there doesn't seem to be a definition for PI in this header file.
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'printf' vs. 'cout' in C++
What is the difference between printf() and cout in C++?
16 Answers
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Is D a credible alternative to Java and C++? [closed]
Is the D language a credible alternative to Java and C++? What will it take to become a credible alternative? Should I bother learning it? Does it deserve evangelizing?
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What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?
... and it has no special meaning during preprocessing.
__func__ was added to C++ in C++11, where it is specified as containing "an implementation-defined string" (C++11 §8.4.1[dcl.fct.def.general]/8), which is not quite as useful as the specification in C. (The original proposal to add __func__ to C...
Size of character ('a') in C/C++
What is the size of character in C and C++ ? As far as I know the size of char is 1 byte in both C and C++.
4 Answers
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Efficient string concatenation in C++
...se really necessary? If so, what is the best way to concatenate strings in C++?
13 Answers
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
What are the differences between an array and a vector in C++? An example of the differences might be included libraries, symbolism, abilities, etc.
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What XML parser should I use in C++? [closed]
...d XML documents and write them to text (either files or memory). Since the C++ standard library does not have a library for this, what should I use?
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How do I tokenize a string in C++?
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C++ standard library algorithms are pretty universally based around iterators rather than concrete containers. Unfortunately this makes it hard to provide a Java-like split function in the C++ standard library, even though no...