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When do I use fabs and when is it sufficient to use std::abs?
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In C++, it's always sufficient to use std::abs; it's overloaded for all the numerical types.
In C, abs only works on integers, and you need fabs for floating point values. These are available in C++ (along with all of the C li...
When should std::move be used on a function return value? [duplicate]
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C++: bone simple. Clearly.
– Lightness Races in Orbit
Nov 11 '13 at 18:24
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How to drive C#, C++ or Java compiler to compute 1+2+3+…+1000 at compile time?
...generics and pre-processor features of the compiler. It is possible to use C++, C# or Java compiler. Any ideas???
13 Answer...
The application was unable to start correctly (0xc000007b)
...at the software was not developed on) has the appropriate Microsoft Visual C++ Redistributable Package. By appropriate, you need the right year and bit version (i.e. x86 for 32 bit and x64 for 64 bit) of the Visual C++ Redistributable Package.
The Visual C++ Redistributable Packages install run...
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
16
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C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
C++ Lock-free Hazard Pointer（冒险指针）hazard_pointer1 Safe Reclamation MethodsFolly 的 Hazard Pointer 实现中有一段注释，详细描述了 C++ 里几种主流的安全内存回收方法，列表如下：优点缺点场景Locking易用读高开销
1. Safe Reclamation Methods
Fo...
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...