大约有 48,000 项符合查询结果（耗时：0.0430秒） [XML]
git: Show index diff in commit message as comment
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answered Jan 20 '11 at 17:09
Alan Haggai AlaviAlan Haggai Alavi
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Delete element in a slice
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278
Where a is the slice, and i is the index of the element you want to delete:
a = append(a[:i],...
How to see which flags -march=native will activate?
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152
You can use the -Q --help=target options:
gcc -march=native -Q --help=target ...
The -v optio...
Get PostGIS version
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edited Mar 28 '13 at 20:19
Brad Koch
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How to use the 'sweep' function
...ation defined by FUN.
For instance, if you want to add 1 to the 1st row, 2 to the 2nd, etc. of the matrix you defined, you will do:
sweep (M, 1, c(1: 4), "+")
I frankly did not understand the definition in the R documentation either, I just learned by looking up examples.
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Setting Vim whitespace preferences by filetype
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245
there are many ways, but here's a simple, easy to understand way. add these lines to your ~/.v...
How to reset a remote Git repository to remove all commits?
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answered Jan 5 '10 at 13:23
Lilith RiverLilith River
15.4k22 gold badges3838 silver badges7171 bronze badges
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conditional unique constraint
...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 INT AS BEGIN
DECLARE @ret INT;
SELECT @ret = COUNT(*) FROM Che...