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by: pembed2003 |
last post by:
Hi all,
If I have the following:
class Foo{
void something(void){;}
};
and then later I say:
Foo f;
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by: Tarundeep |
last post by:
hi,
let us say it is a 32 bit processor then the size of the pointer is 32
bits.
now i want to know what would be the size of the class with vtable
pointer in it , that is it has few virtual functions.
Since the very first location of the object memory points to the
vtbale hence that should be 32 bit.
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by: cppfans |
last post by:
Why the size of an empty struct or class is 1?
i guess 4 before i run this programm.
for example:
compile with Dev C++
#include <stdio.h>
#include <stdlib.h>
typedef struct tagEMPTY
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by: ishekara |
last post by:
Hi all,
An object of a class A which has no member variables and no member
functions, still the size of the object is 1 byte, if there is a byte member
variable then also the size of the object is 1 byte. Could anyone tell me
the reason behind this.
Thanks
ishekara
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by: Matthias |
last post by:
Hi,
I am just reading that book by Scott Meyers. In Item 4 Meyers suggests
to always use empty() instead of size() when probing for emptyness of
STL containers. His reasoning is that size() might take linear time on
some list implementations. That makes sense at first.
However, he also says this at the very beginning:
"That being the case , you might wonder why one construct should be
preferred to the other, especially in view of the...
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by: ThazKool |
last post by:
Is there anyway to write a class or struct that has no storage. It
only operates on a reference to an already existing type.
This is actually an extension to another thread. The thread went a
little off of what I was looking for. Hence this new thread.
Thanks,
ThazKool
|
by: ypjofficial |
last post by:
Hi all,
In what way does the enumerated data type contibute to the size of a
class if its part of that class?
eg.
#include <iostream.h>
class one
{
public:
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by: Curious |
last post by:
Hi,
I have created my own data structure. Basically it is a two way
'stack', where I can push elements and pop elements both from top and
bottom. I also included a counter to show the number of elements
currently on the data structure.
I need to calculate the size in bytes of this datastructure content at
a certain time. What I am pushing on this datastructure is the same
class instances but with different values.
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by: Ajay |
last post by:
Hi all,
Please tell me why empty class has one Byte Size.
thanks in Advance..
Ajay
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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, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
|
by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
|
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
|
by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
|
by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
|
by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
|
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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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