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Is it possible to print a variable's type in standard C++?
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C++11 update to a very old question: Print variable type in C++.
The accepted (and good) answer is to use typeid(a).name(), where a is a variable name.
Now in C++11 we have decltype(x), which can turn an expression into a t...
What is the purpose of using -pedantic in GCC/G++ compiler?
...your program if this is at all possible. However, in some
cases, the C and C++ standards specify that certain extensions are forbidden. Conforming compilers
such as gcc or g++ must issue a diagnostic when these extensions are encountered. For example,
the gcc compiler’s -pedantic option causes gcc...
How to change the default GCC compiler in Ubuntu?
... /usr/bin/cc cc /usr/bin/gcc-4.8 \
--slave /usr/bin/c++ c++ /usr/bin/g++-4.8 \
--slave /usr/bin/g++ g++ /usr/bin/g++-4.8 \
--slave /usr/bin/gcov gcov /usr/bin/gcov-4.8 \
--slave /usr/bin/gcov-dump gcov-dump /usr...
Why should I care that Java doesn't have reified generics?
...ld be abstracted into an interface, which could be somewhat implemented in C++ using template specialization.)
– JAB
Jan 8 '14 at 19:00
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When do we have to use copy constructors?
I know that C++ compiler creates a copy constructor for a class. In which case do we have to write a user-defined copy constructor? Can you give some examples?
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Writing your own STL Container
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You will need to read the C++ Standard section about Containers and requirements the C++ Standard imposes for container implementations.
The relevant chapter in C++03 standard is:
Section 23.1 Container Requirements
The relevant chapter in C++11 ...
Tags for Emacs: Relationship between etags, ebrowse, cscope, GNU Global and exuberant ctags
I work on C++ projects, and I went through Alex Ott's guide to CEDET and other threads about tags in StackOverflow, but I am still confused about how Emacs interfaces with these different tag systems to facilitate autocompletion, the looking up of definitions, navigation of source code base or the...
Does constexpr imply inline?
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Yes ([dcl.constexpr], §7.1.5/2 in the C++11 standard): "constexpr functions and constexpr constructors are implicitly inline (7.1.2)."
Note, however, that the inline specifier really has very little (if any) effect upon whether a compiler is likely to expand a ...
What's the fundamental difference between MFC and ATL?
...answer:
MFC was built in the early 90s to try out this new language called C++ and apply it to Windows. It made Office like features available to the development community when the OS didn't have them yet.
[Edit embellishment: I did not work at Microsoft, so I don't know if Office was ever built ...
error: ‘NULL’ was not declared in this scope
I get this message when compiling C++ on gcc 4.3
6 Answers
6
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