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How do I get an empty array of any size in python?
...tiguous array to fill with integers, consider bytearray and memoryivew:
# cast() is available starting Python 3.3
size = 10**6
ints = memoryview(bytearray(size)).cast('i')
ints.contiguous, ints.itemsize, ints.shape
# (True, 4, (250000,))
ints[0]
# 0
ints[0] = 16
ints[0]
# 16
...
Sleep Command in T-SQL?
...onds.'
END
declare @sql nvarchar(24) = 'WAITFOR DELAY '+char(39)+cast(@hours as nvarchar(2))+':'+CAST(@mins as nvarchar(2))+':'+CAST(@secs as nvarchar(2))+char(39)
exec sp_executesql @sql
return ''
END
IF you wish to delay longer than 24 hours, I suggest you use a @Days pa...
Get the IP address of the remote host
...var ctx = request.Properties[MsHttpContext] as HttpContextWrapper; EIf you cast, you dont need to check on null because if the cast fails, you get an exception
– Stef Heyenrath
Oct 20 '17 at 10:36
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Sorting an IList in C#
...word of caution: this approach assumes that the IList<T> list can be cast to the non-generic IList interface. If you code your own class implementing the IList<T> interface, make sure you also implement the non-generic IList interface, or the code will fail with a class cast exception.
...
How to set thousands separator in Java?
...println(formatter.format(bd.longValue()));
According to the JavaDoc, the cast in the first line should be save for most locales.
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How to detect if app is being built for device or simulator in Swift
...pect the TARGET_OS_SIMULATOR variable (or TARGET_IPHONE_SIMULATOR in iOS 8 and below), which is truthy on a simulator.
Please notice that this is different and slightly more limited than using a preprocessor flag. For instance you won't be able to use it in place where a if/else is syntactically in...
What is the difference between the HashMap and Map objects in Java?
...s using the "Map" interface restricts you to only those methods unless you cast the collection back from Map to HashMap (which COMPLETELY defeats the purpose).
Often what you will do is create an object and fill it in using it's specific type (HashMap), in some kind of "create" or "initialize" meth...
What is the relationship between the docker host OS and the container base image OS?
...tion... but while I have been reading everything docker that I can get my hands on I see that I can install Docker on Ubuntu 12.04 (for example) and then I can install a Fedora container or a different version of ubuntu? (there is an example where the user installed busybox in the container.)
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Installing Java on OS X 10.9 (Mavericks)
....8 (Mountain Lion). When I upgraded it to Mac OS X v10.9 (Mavericks) and ran java -version in the terminal, it showed:
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Converting 'ArrayList to 'String[]' in Java
...ourse, because Java doesn't do real generics; it mostly just fakes them by casting Object)
– Nyerguds
May 19 '16 at 11:05
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