by: Ken |
last post by:
Hi all. When referring to a null pointer constant in C++, is there
any reason to prefer using 0 over a macro called NULL that is defined
to be 0?
Thanks!
Ken
|
by: olanorm |
last post by:
I have a query where one or more of the columns returned is a result
from a subquery. These columns get their own alias. I want to filter
out the rows containing NULL from the subqueries but it...
|
by: Shridhar Daithankar |
last post by:
Hello All,
I was just updating a table in oracle9.2 by hand and bumped into this.
Following seems to be the valid syntax in oracle.
Update foo set somefield=NULL where somefield >9;
Now I...
|
by: John |
last post by:
Hi
I have a datadapter with the following SQL;
SELECT ID, Company, Status, CompanyType
FROM Companies
WHERE (@Status IS NULL or @Status = Status)
When I try to fill like...
|
by: John Sidney-Woollett |
last post by:
Hi
I'm building a web app where changes to customer orders are logged in the
following table, and I worried about the time that it will take to locate
records that need further...
|
by: David W |
last post by:
I'm almost tearing my hair out. A colleague claimed that a null reference can exist, like
this:
void f( int& p )
{
printf( "%d\n", p );
}
int main (int argc, char *argv)
{
|
by: axelsino |
last post by:
I know this has been asked before and yes, I have read the section in
the documentation about it.
But, my question is: If I have setup mysql with strict_trans_tables,
will MySQL allow "null"...
|
by: A. Anderson |
last post by:
Howdy everyone,
I'm experiencing a problem with a program that I'm developing. Take a
look at this stack report from GDB -
#0 0xb7d782a3 in strlen () from /lib/tls/i686/cmov/libc.so.6
#1 ...
|
by: Yitzak |
last post by:
Hi spent a few hours on this one wrote a query that joined on results
of 2 other queries.
Qry3 using Qry1 and Qry2
When I used Qry1.FasText <cstr(Qry2.FasInteger) in the where clause
- got...
|
by: Jonathan Wood |
last post by:
I've written a stored procedure and would like to filter the results
returned based on the argument. It works so far, but I'd also like to allow
this argument to be null.
I know I can rewrite my...
|
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,...
|
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:
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...
|
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?
|
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: 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...
|
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