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Enable 'xp_cmdshell' SQL Server
... of the xp_cmdshell MSDN docs:
http://msdn.microsoft.com/en-us/library/ms190693.aspx:
-- To allow advanced options to be changed.
EXEC sp_configure 'show advanced options', 1
GO
-- To update the currently configured value for advanced options.
RECONFIGURE
GO
-- To enable the feature.
EXEC sp_conf...
Is it possible to change only the alpha of a rgba background colour on hover?
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php is null or empty?
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edited Dec 11 '19 at 23:39
kkurian
3,38333 gold badges2727 silver badges4444 bronze badges
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Zooming MKMapView to fit annotation pins?
... MKMapView and have added a number of annotation pins to the map about a 5-10 kilometre area. When I run the application my map starts zoomed out to show the whole world, what is the best way to zoom the map so the pins fit the view?
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In-memory size of a Python structure
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146
The recommendation from an earlier question on this was to use sys.getsizeof(), quoting:
>...
Why is there no xrange function in Python3?
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178
Some performance measurements, using timeit instead of trying to do it manually with time.
Fi...
How to do version numbers? [closed]
...the "unstable watchout" on there. So how would you go about versioning? Is 1.0 stable? Should the build date be in the version number? Tell me what you guys think!
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Add unique constraint to combination of two columns
...TER TABLE dbo.yourtablename
ADD CONSTRAINT uq_yourtablename UNIQUE(column1, column2);
or
CREATE UNIQUE INDEX uq_yourtablename
ON dbo.yourtablename(column1, column2);
Of course, it can often be better to check for this violation first, before just letting SQL Server try to insert the row and...
What is SYSNAME data type in SQL Server?
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150
sysname is a built in datatype limited to 128 Unicode characters that, IIRC, is used primarily...
Why do people say there is modulo bias when using a random number generator?
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