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Javascript/jQuery: Set Values (Selection) in a multiple Select
I have a multiple select:
8 Answers
8
...
When should the volatile keyword be used in C#?
...t (40203Ch)]
00401045 call dword ptr [__imp_std::basic_ostream<char,std::char_traits<char> >::operator<< (402038h)]
}
0040104B xor eax,eax
0040104D pop ecx
0040104E ret
Looking at the output, the compiler has decided to use the ecx re...
Add a column to a table, if it does not already exist
...onstruct by using the sys.columns table io sys.objects.
IF NOT EXISTS (
SELECT *
FROM sys.columns
WHERE object_id = OBJECT_ID(N'[dbo].[Person]')
AND name = 'ColumnName'
)
share
|
...
How can I do an UPDATE statement with JOIN in SQL Server?
...oesn't support MERGE):
ANSI/ISO:
update ud
set assid = (
select sale.assid
from sale
where sale.udid = ud.id
)
where exists (
select *
from sale
where sale.udid = ud.id
);
MySQL:
update ud u
inner join sale s on
u.id = s.udid
...
Resolve build errors due to circular dependency amongst classes
...;<endl;
}
//main.cpp
#include "A.h"
#include "B.h"
int main(int argc, char* argv[])
{
A a(10);
B b(3.14);
a.Print();
a.SetB(&b);
b.Print();
b.SetA(&a);
return 0;
}
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|
...
JPG vs. JPEG image formats
...ut it is inaccurate. • The JPEG group were mostly Unix shops, thus the 4-char .jpeg extension, not because of Mac. • It was the DOS 8.3 limit that caused the shortening to .jpg — windows was just a shell on top of DOS. • The commonly accepted .jpg form is because of programs that had to cope...
Get top 1 row of each group
...
;WITH cte AS
(
SELECT *,
ROW_NUMBER() OVER (PARTITION BY DocumentID ORDER BY DateCreated DESC) AS rn
FROM DocumentStatusLogs
)
SELECT *
FROM cte
WHERE rn = 1
If you expect 2 entries per day, then this will arbitrarily pick one...
Best way to do multi-row insert in Oracle?
...acle:
insert into pager (PAG_ID,PAG_PARENT,PAG_NAME,PAG_ACTIVE)
select 8000,0,'Multi 8000',1 from dual
union all select 8001,0,'Multi 8001',1 from dual
The thing to remember here is to use the from dual statement.
(source)
...
How can I shift-select multiple checkboxes like GMail?
... can click on one checkbox in the email list, hold down the Shift key, and select a second checkbox. The JavaScript will then select/unselect the checkboxes that are between the two checboxes.
...
What is the fastest/most efficient way to find the highest set bit (msb) in an integer in C?
...ruction.)
Example code for gcc:
#include <iostream>
int main (int,char**)
{
int n=1;
for (;;++n) {
int msb;
asm("bsrl %1,%0" : "=r"(msb) : "r"(n));
std::cout << n << " : " << msb << std::endl;
}
return 0;
}
See also this inline assembler tutoria...