大约有 46,000 项符合查询结果(耗时:0.0351秒) [XML]
Split value from one field to two
...
how can we cast it to integer since membername is varchar.. let memberfirst be of type int. Will it work if i directly use cast() ?
– infinitywarior
Feb 12 '19 at 9:35
...
Can't find how to use HttpContent
...e content parameter needs to be IHttpContent and not StringContent. When I cast it to the interface it's happy, though.
– micahhoover
May 13 '15 at 1:39
3
...
How can I determine whether a 2D Point is within a Polygon?
...hat can handle all three cases above and is still pretty fast is named ray casting. The idea of the algorithm is pretty simple: Draw a virtual ray from anywhere outside the polygon to your point and count how often it hits a side of the polygon. If the number of hits is even, it's outside of the pol...
SQL-Server: Error - Exclusive access could not be obtained because the database is in use
...@@spid
while (@spid is not null)
begin
print 'Killing process ' + cast(@spid as varchar) + ' ...'
set @sql = 'kill ' + cast(@spid as varchar)
exec (@sql)
select
@spid = min(spid)
from
master..sysprocesses
where
dbid = db_id('<database_n...
How is null + true a string?
...
null will be cast to null string, and there is implicit converter from bool to string so the true will be cast to string and then, + operator will be applied: it's like: string str = "" + true.ToString();
if you check it with Ildasm:
st...
Parsing boolean values with argparse
...e,True], you end up with both "False" and "True" considered True (due to a cast from string to bool?). Maybe related issue
– dolphin
Jul 20 '13 at 1:03
...
How can I pass a member function where a free function is expected?
...n using a void* interface as they remove the potential for errors due to a cast to the wrong type.
To clarify how to use a function pointer to call a member function, here is an example:
// the function using the function pointers:
void somefunction(void (*fptr)(void*, int, int), void* context) {
...
Difference between Covariance & Contra-variance
... covariance exists within the implementation where a DuckEgg is implicitly cast to the BirdEgg out/return type? Either way, please clear my confusion.
– Suamere
Dec 10 '15 at 21:36
...
Enable 'xp_cmdshell' SQL Server
...ncedOptions int
declare @prevXpCmdshell int
select @prevAdvancedOptions = cast(value_in_use as int) from sys.configurations where name = 'show advanced options'
select @prevXpCmdshell = cast(value_in_use as int) from sys.configurations where name = 'xp_cmdshell'
if (@prevAdvancedOptions = 0)
begin...
C# Lambda expressions: Why should I use them?
...
In the first example, why not cast sender and get the value?
– Andrew
Sep 16 '17 at 21:27
...
