by: Tan Thuan Seah |
last post by:
Hi all,
I was told this in one of the university course I was doing.
In C we may expect good performance for:
double a, c, d;
for (i=0; i<N; i++)
for(j=0; j<N; j++)
a = a + c *d;
|
by: chris |
last post by:
Hi all,
I need to know, what is the difference between dynamic memory
allocation, and stack allocation ?
1. If I have a class named DestinationAddress, when should I use
dynamic memory...
|
by: Roman Hartmann |
last post by:
hello,
I do have a question regarding structs. I have a struct (profil) which
has a pointer to another struct (point). The struct profil stores the
coordinates of points.
The problem is that I...
|
by: Bill Carson |
last post by:
I'm trying to dynamically allocate memory to an array of strings
with the following (incomplete, for reference only) :
int nLines, nChars, m, n, Cols.sTcolumn ;
char ***sAtt;
sAtt = (char...
|
by: xian_hong2046 |
last post by:
Hello,
I think dynamic memory allocation is supposed to be used when one
doesn't know in advance how much memory to allocate until run time. An
example from Thinking in C++ is to dynamically...
|
by: toton |
last post by:
Hi,
I have little confusion about static memory allocation & dynamic
allocation for a cluss member.
I have class like
class Bar{
public:
explicit Bar(){
cout<<"bar default"<<endl;
}
|
by: Ken |
last post by:
In C programming, I want to know in what situations we should use
static memory allocation instead of dynamic memory allocation. My
understanding is that static memory allocation like using array...
|
by: hobbes992 |
last post by:
Howdy folks,
I've been working on a c project, compiling using gcc, and I've reached a problem. The assignment requires creation of a two-level directory file system. No files have to be added or...
|
by: Peterwkc |
last post by:
Hello all expert, i have two program which make me desperate bu after i have noticed the forum, my future is become brightness back.
By the way, my problem is like this i the first program was...
|
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...
|
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: Sonnysonu |
last post by:
This is the data of csv file
1 2 3
1 2 3
1 2 3
1 2 3
2 3
2 3
3
the lengths should be different i have to store the data by column-wise with in the specific length.
suppose the i have to...
|
by: Hystou |
last post by:
There are some requirements for setting up RAID:
1. The motherboard and BIOS support RAID configuration.
2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
|
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...
|
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,...
|
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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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...
|
by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
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