by: Dmitry D |
last post by:
Hi,
I'm new to C++ (started learning in the beginning of this summer), and I
have the following question (sorry if it sounds stupid):
In many code samples and source files, I see NULL expression...
|
by: John Morgan |
last post by:
In an SQL statement which concatenates several fields I get a null
value returned if any one of the fields are null.
Is this to be expected?
For example :
SELECT tblMember.memberAddress + '...
|
by: William Ahern |
last post by:
is this legal:
FILE *func(void) {
extern int errno;
return (errno = EINVAL, NULL);
}
my compiler (gcc 2.9.x on openbsd) is complaining that i'm returning a
pointer from int w/o a cast....
|
by: junky_fellow |
last post by:
Can 0x0 be a valid virtual address in the address space
of an application ?
If it is valid, then the location pointed by a NULL pointer
is also valid and application should not receive "SIGSEGV"...
|
by: Federico Balbi |
last post by:
Hi,
I was wondering if PGSQL has a function similar to binary_checksum() of
MS SQL Server 2000. It is pretty handy when it comes to compare rows of
data instead of having to write long boolean...
|
by: yossi.kreinin |
last post by:
Hi!
There is a system where 0x0 is a valid address, but 0xffffffff isn't.
How can null pointers be treated by a compiler (besides the typical
"solution" of still using 0x0 for "null")?
-...
|
by: lovecreatesbea... |
last post by:
Do you prefer malloc or calloc?
p = malloc(size);
Which of the following two is right to get same storage same as the
above call?
p = calloc(1, size);
p = calloc(size, 1);
|
by: ADezii |
last post by:
Null as it relates to database development is one of life's little mysteries and a topic of total confusion for novices who venture out into the database world. A Null Value is not zero (0), a zero...
|
by: nicklpayne |
last post by:
I have a search form with a subform that holds the results.
Three text boxes are search criteria:
First Name
Last Name
Address
The criteria in the subform parameter query are like below:
Like...
|
by: polas |
last post by:
Afternoon all,
I have some code (which I thought was OK, but now appreciate is
probably not by the standard) which contains
int a;
......
if (a==NULL)
{
....
|
by: aa123db |
last post by:
Variable and constants
Use var or let for variables and const fror constants.
Var foo ='bar';
Let foo ='bar';const baz ='bar';
Functions
function $name$ ($parameters$) {
}
...
|
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...
|
by: emmanuelkatto |
last post by:
Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud.
Please let me know.
Thanks!
Emmanuel
|
by: nemocccc |
last post by:
hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?
|
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: 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,...
|
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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