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What is a segmentation fault?
What is a segmentation fault? Is it different in C and C++? How are segmentation faults and dangling pointers related?
14 A...
How to convert boost path type to string?
...2017)
Documentation: boost::filesystem::canonical.
But note that as of C++17 there is std::filesystem, with canonical and a lot more.
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Is errno thread-safe?
...*___errno();
#define errno (*(___errno()))
#else
extern int errno;
/* ANSI C++ requires that errno be a macro */
#if __cplusplus >= 199711L
#define errno errno
#endif
#endif /* defined(_REENTRANT) */
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Mixin vs inheritance
...roduces the subject.
The Half-Life 2 / "Source" SDK is a great example of C++ mixins. In that environment macros define sizable blocks of code which can be added to give the class a specific "flavor" or feature.
Look at the Source wiki example: Authoring a Logical Entity. In the example code the D...
Why is a boolean 1 byte and not 1 bit of size?
In C++,
12 Answers
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How are multi-dimensional arrays formatted in memory?
...as a separate parameter, otherwise use std::array or std::vector (which is C++ not old C). I think we agree @CarlNorum both conceptually for new users and practically, to quote Anders Kaseorg on Quora: “The first step to learning C is understanding that pointers and arrays are the same thing. The ...
msbuild.exe staying open, locking files
...till like to know, but I actually ran into a Visual Studio 11 Beta bug for C++/CLI projects. Is causes the same symptoms: connect.microsoft.com/VisualStudio/feedback/details/728912/…
– Cameron Taggart
Apr 14 '12 at 1:37
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byte + byte = int… why?
...ack vector.)
EDIT: Raymond is defending, essentially, the approach C and C++ took originally. In the comments, he defends the fact that C# takes the same approach, on the grounds of language backward compatibility.
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Double not (!!) operator in PHP
...c - It sounds strange, IMO... since operator! is overloadable, using it in C++ would be dangerous. Also you cannot cast structs in C, or use ! with them. Also if something can be negated, you're most likely able to return it from a function returning int, which pretty much makes it a boolean. Are yo...
Virtual Serial Port for Linux
...sing the links posted in the previous answers, I coded a little example in C++ using a Virtual Serial Port. I pushed the code into GitHub: https://github.com/cymait/virtual-serial-port-example .
The code