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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...
warning: [options] bootstrap class path not set in conjunction with -source 1.5
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102
From a blog post:
To use javac from JDK N to cross-compiler to an older platform version, ...
How to express infinity in Ruby?
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188
If you use ruby 1.9.2, you can use:
>> Float::INFINITY #=> Infinity
>> 3 < ...
How do you change the size of figures drawn with matplotlib?
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17 Answers
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How to remove an element from a list by index
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18 Answers
18
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What is the pythonic way to detect the last element in a 'for' loop?
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154
Most of the times it is easier (and cheaper) to make the first iteration the special case inst...
Convert Month Number to Month Name Function in SQL
I have months stored in SQL Server as 1,2,3,4,...12. I would like to display them as January,February etc. Is there a function in SQL Server like MonthName(1) = January? I am trying to avoid a CASE statement, if possible.
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