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Transpose/Unzip Function (inverse of zip)?
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12 Answers
12
Active
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Get week of year in JavaScript like in PHP
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19 Answers
19
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MySQL ON vs USING?
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415
It is mostly syntactic sugar, but a couple differences are noteworthy:
ON is the more general ...
What are type lambdas in Scala and what are their benefits?
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148
Type lambdas are vital quite a bit of the time when you are working with higher-kinded types.
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What does the star operator mean, in a function call?
...arguments, so you can do this:
def sum(a, b):
return a + b
values = (1, 2)
s = sum(*values)
This will unpack the tuple so that it actually executes as:
s = sum(1, 2)
The double star ** does the same, only using a dictionary and thus named arguments:
values = { 'a': 1, 'b': 2 }
s = sum(*...
How can I get the current network interface throughput statistics on Linux/UNIX? [closed]
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15 Answers
15
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Select values from XML field in SQL Server 2008
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159
Given that the XML field is named 'xmlField'...
SELECT
[xmlField].value('(/person//firstName...
conditional unique constraint
... constraint like this. The difference is, you'll return false if Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS I...