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Where do I find the definition of size_t?
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Please refer to ISO C(99) standard (from which the C++ standard includes) sections 7.17 and 7.18.3
– Martin York
Jul 13 '09 at 16:50
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Is it worthwile to learn assembly language? [closed]
...re being used is enough to analyze performance, and identify what piece of C++ code was the source of that assembly.
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Best practices for circular shift (rotate) operations in C++
Left and right shift operators (>) are already available in C++.
However, I couldn't find out how I could perform circular shift or rotate operations.
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What is the point of function pointers?
...at takes its sorting criterion as a pointer to a comparison function.
In C++, this is often done using function objects (also called functors). These are objects that overload the function call operator, so you can call them as if they were a function. Example:
class functor {
public:
voi...
What is the difference between new/delete and malloc/free?
...he language concept known as "heap" or the os concept of "processes heap". C++ is deliberately defined to be Platform/OS/Compiler neutral. So using a specific OS concept like "processes heap" would undermine the flexibility of the standard.
– Martin York
Feb 21...
Fastest way to check if a file exist using standard C++/C++11/C?
I would like to find the fastest way to check if a file exist in standard C++11, C++, or C. I have thousands of files and before doing something on them I need to check if all of them exist. What can I write instead of /* SOMETHING */ in the following function?
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How do you iterate through every file/directory recursively in standard C++?
How do you iterate through every file/directory recursively in standard C++?
16 Answers
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How do I find where an exception was thrown in C++?
... is a brief discussion on uncaught exceptions in Bruce Eckel's Thinking in C++, 2nd Ed that may be helpful as well.
Since terminate() calls abort() by default (which will cause a SIGABRT signal by default), you may be able to set a SIGABRT handler and then print a stack backtrace from within the si...
Why aren't pointers initialized with NULL by default?
...Or under other conditions the variable is potentially never used. A lot of C++ developers would scream foul under both conditions at the cost of that extra instruction.
It's not just about time. But also space. There are a lot of environments where both resources are at a premium and the developers...
What is the difference between “long”, “long long”, “long int”, and “long long int” in C++?
I am transitioning from Java to C++ and have some questions about the long data type. In Java, to hold an integer greater than 2 32 , you would simply write long x; . However, in C++, it seems that long is both a data type and a modifier.
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