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Why does auto a=1; compile in C?
...gned d; // actually unsigned int
which is still common in modern code.
C++11 reused the keyword, which few if any C++ programmers were using with the original meaning, for its type inference. This is mostly safe because the "everything is int" rule from C had already been dropped in C++98; the o...
Run an Application in GDB Until an Exception Occurs
...to cause the debugger to stop for certain kinds of program events, such as C++ exceptions or the loading of a shared library. Use the catch command to set a catchpoint.
catch event
Stop when event occurs. event can be any of the following:
throw
The throwing of a C++ exception.
catch
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“Unresolved inclusion” error with Eclipse CDT for C standard library headers
...in several sections for the compiler:
Adding include paths and symbols
C/C++ Project Properties, Paths and Symbols, Includes
And if the code-completion/indexer or preprocessor specifically also cannot locate stdio.h:
Setting up include paths and macros for C/C++ indexer
C/C++ Project propertie...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
Coming from other C-derived languages (like Java or C#) to C++, it is at first very confusing that C++ has three ways to refer to members of a class: a::b , a.b , and a->b . When do I use which one of these operators?
...
Is there any use for unique_ptr with array?
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@Aidiakapi C++ requires that if you delete[] an array of objects which have destructors, the destructors get run. For that reason, the C++ run time already needs to know the actual size of most arrays that have been allocated that way. ...
Is #pragma once part of the C++11 standard?
...ally, the standard and portable way to avoid multiple header inclusions in C++ was/is to use the #ifndef - #define - #endif pre-compiler directives scheme also called macro-guard scheme (see code snippet below).
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How do I create a random alpha-numeric string in C++?
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Please use C++11 or boost random, we're in 2016 now
– Nikko
Jan 29 '16 at 13:23
13
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Is the pImpl idiom really used in practice?
I am reading the book "Exceptional C++" by Herb Sutter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementatio...
What C++ Smart Pointer Implementations are available?
...
C++03
std::auto_ptr - Perhaps one of the originals it suffered from first draft syndrome only providing limited garbage collection facilities. The first downside being that it calls delete upon destruction making them unacce...
What does 'const static' mean in C and C++?
... from other modules. Is this correct? If so, why would anyone use it in a C++ context where you can just make it private ?
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