大约有 46,000 项符合查询结果（耗时：0.0317秒） [XML]
Input text dialog Android
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Remember to cast that findViewById with (ViewGroup)!
– Martin Erlic
Sep 27 '16 at 17:24
2
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How would one write object-oriented code in C? [closed]
...; // This is a non-virtual call
Stack.push(st, thing1); // This is like casting *st to a Stack (which it already is) and doing the push
st->my_type.push(st, thing2); // This is a virtual call
}
I didn't do the destructor or delete, but it follows the same pattern.
this_is_here_as_an_exam...
What is the 'instanceof' operator used for in Java?
...cked state. Instead, you'd see if each object is a checkbox, and if it is, cast it to a checkbox and check its properties.
if (obj instanceof Checkbox)
{
Checkbox cb = (Checkbox)obj;
boolean state = cb.getState();
}
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How to check if a database exists in SQL Server?
...8))
RETURNS bit
AS
BEGIN
declare @result bit = 0
SELECT @result = CAST(
CASE WHEN db_id(@dbname) is not null THEN 1
ELSE 0
END
AS BIT)
return @result
END
GO
Now you can use it like this:
select [dbo].[DatabaseExists]('master') --returns 1
select [dbo].[...
Are Javascript arrays sparse?
...ot use, neither use thou non-integers, excepting that thou then proceed to cast to String. Arbitrary objects are right out.
– Crescent Fresh
Oct 2 '09 at 18:37
8
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How to get UTC time in Python?
...%s"))
If you want microseconds, you need to change the export string and cast to float like: return float(now.strftime("%s.%f"))
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How can I use optional parameters in a T-SQL stored procedure?
... = 100
AS
BEGIN
DECLARE @SQL NVARCHAR(4000) = '
SELECT TOP ' + CAST(@TopCount AS VARCHAR) + ' *
FROM Person
WHERE 1 = 1'
PRINT @SQL
IF (@FirstName IS NOT NULL) SET @SQL = @SQL + ' AND FirstName = @FirstName'
IF (@LastName IS NOT NULL) SET @SQL = @SQL + ' AND...
Get an OutputStream into a String
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Just casting a byte to char will only work on ascii. Use ByteArrayOutputStream like Horcrux7
– Dave Ray
Oct 11 '09 at 22:45
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How to strip all non-alphabetic characters from string in SQL Server?
...nstead of NVARCHAR within his function otherwise, your system will need to cast the string values from VARCHAR to NVARCHAR before it can perform the function which is more expensive. Even with those changes your function still might be faster, but those are a few examples I can see where his functi...
How to do a JUnit assert on a message in a logger
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@s.d If you cast the Logger to org.apache.logging.log4j.core.Logger (the implementation class for the interface) you'll get access to setAppender()/removeAppender() again.
– David Moles
Dec 10 '19 a...