by: Agoston Bejo |
last post by:
I want to enforce such a constraint on a column that would ensure that the
values be all unique, but this wouldn't apply to NULL values. (I.e. there
may be more than one NULL value in the column.)...
|
by: iStrain |
last post by:
Hiya. I'm _sure_ this is an FAQ, but Googling hasn't produced the
answer in a way I can make sense out of. I know I should get this, but
so far no way...
I'm creating tables and doing queries in...
|
by: Mike MacSween |
last post by:
This as the row source for a combo:
SELECT qryRole.RoleID, qryRole.Role
FROM qryRole
WHERE (((qryRole.RoleID) Not In (SELECT RoleID FROM qryRoleEvent INNER JOIN
qryEvent ON qryRoleEvent.EventID...
|
by: sathyashrayan |
last post by:
The standard confirms that the following initialization of a struct
struct node
{
---
---
}
struct node var = {NULL};
|
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: Jason Curl |
last post by:
I've been reading this newsgroup for some time and now I am thoroughly
confused over what NULL means.
I've read a NULL pointer is zero (or zero typecast as a void pointer),
others say it's...
|
by: David Sworder |
last post by:
Hi,
I've created a UserControl-derived class called MyUserControl that is
able to persist and subsequently reload its state. It exposes two methods as
follows:
public void Serialize(Stream...
|
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: Aaron Morton |
last post by:
I'm working on a IHttpModule that handles the PreSendRequestHeaders event
from the HttpApplication, if the event is raised after EndRequest then
HttpContext.Current is null. If it is raised before...
|
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: 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: 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: 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...
|
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...
|
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...
|
by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated ...
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