大约有 2,253 项符合查询结果（耗时：0.0192秒） [XML]
How to import data from mongodb to pandas?
...aFrame(list(cursor)). Pure db quering is much faster. Could we change list casting to something else?
– Peter.k
Jan 19 '19 at 19:53
1
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Convert HH:MM:SS string to seconds only in javascript
...nits multiplied by 60 as it goes through each unit.
The +time is used to cast the time to a number.
It basically ends up doing: (60 * ((60 * HHHH) + MM)) + SS
If only seconds is passed then the result would be a string, so to fix that we could cast the entire result to an int:
+('03'.split(':')...
Create an Array of Arraylists
...yList<String>[] group = new ArrayList[4])? What extra good doe sthe cast do?
– cellepo
Mar 22 '16 at 21:12
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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...
iPhone: How to get current milliseconds?
... the OS you might need to use 'long long' instead of a 'long' and likewise cast time.tv_sec to 'long long' before doing the rest of the calculation.
– AbePralle
Dec 1 '11 at 23:20
...
How to check if a table exists in a given schema
... dba.SE discussing "Information schema vs. system catalogs"
Alternative: cast to regclass
SELECT 'schema_name.table_name'::regclass
This raises an exception if the (optionally schema-qualified) table (or other object occupying that name) does not exist.
If you do not schema-qualify the table n...
Can we define implicit conversions of enums in c#?
...'t need to use an enum just for the sake of it. You either put an explicit cast or just write a static class with const ints.
– Trap
Feb 8 '14 at 0:56
3
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How do I perform an IF…THEN in an SQL SELECT?
...osest to IF in SQL and is supported on all versions of SQL Server.
SELECT CAST(
CASE
WHEN Obsolete = 'N' or InStock = 'Y'
THEN 1
ELSE 0
END AS bit) as Saleable, *
FROM Product
You only need to do the CAST if you wa...
Checking for a null int value from a Java ResultSet
...ying to test for a null value, from a ResultSet, where the column is being cast to a primitive int type.
10 Answers
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Cocoa Touch: How To Change UIView's Border Color And Thickness?
...as You say. r, g and b can be int, as C (and objC IS C) promotions will cast int r=128 to double when making: r/255.0. By the way You got double, and Clang will cast to CGFloat.
– ingconti
Jan 28 '18 at 14:54
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