by: Markus Dehmann |
last post by:
I have a class "Data" and I store Data pointers in an STL set. But I have
millions of inserts and many more lookups, and my profiler found that they
cost a lot of runtime.
Therefore, I want to...
|
by: Sweety |
last post by:
hi,
Is main function address is 657.
its show in all compiler.
try it & say why?
bye,
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by: Alexei A. Frounze |
last post by:
Seems like, to make sure that a pointer doesn't point to an object/function,
NULL (or simply 0) is good enough for both kind of pointers, data pointers
and function pointers as per 6.3.2.3:
3 An...
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by: mohan |
last post by:
Hi All,
How to implement virtual concept ( dynamic polymorphism ) in c.
I guess i should create a void pointer which is pointing to the function.
Not clear about this
Does anyone have some idea...
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by: Bill Pursell |
last post by:
The following code generates a compiler warning
when compiled with gcc -pedantic:
typedef (*FUNC)(int);
FUNC f;
void *
get_f(void)
{
return &f;
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by: Robert Seacord |
last post by:
i am trying to print the address of a function without getting a
compiler warning (i am compiling with gcc with alot of flags).
if i try this:
printf("%p", f);
i get:
warning: format %p...
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by: John |
last post by:
Is the following program print the address of the function?
void hello()
{ printf("hello\n");
}
void main()
{
printf("hello function=%d\n", hello);
}
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by: copx |
last post by:
Why doesn't the C standard include generic function pointers?
I use function pointers a lot and the lack of generic ones is not so cool.
There is a common compiler extension (supported by GCC...
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by: Phil Bouchard |
last post by:
I am currently writting a smart pointer which is reasonnably stable and I
decided supporting allocators for completion because of its increase in
efficiency when the same pool used by containers is...
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by: taylorcarr |
last post by:
A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...
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by: ryjfgjl |
last post by:
If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...
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by: ryjfgjl |
last post by:
In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...
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by: BarryA |
last post by:
What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...
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by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
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by: marktang |
last post by:
ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers,...
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by: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...
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