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Why use the SQL Server 2008 geography data type?
...actly a fair comparison. Decimal would have to be a minimum of Decimal(15,12) (9 bytes) for each LatLong (total of 18 bytes) for a real comparison.
So comparing storage types:
CREATE TABLE dbo.Geo
(
geo geography
)
GO
CREATE TABLE dbo.LatLng
(
lat decimal(15, 12),
lng decimal(...
Regex empty string or email
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edited Feb 21 '11 at 9:08
answered Feb 21 '11 at 9:02
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Numpy how to iterate over columns of array?
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228
Just iterate over the transposed of your array:
for column in array.T:
some_function(colum...
C# generic “where constraint” with “any generic type” definition?
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2 Answers
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File Hash 扩展：文件哈希计算和 Base64 编码文件，sha256、sha512 哈希 ·...
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Javascript : natural sort of alphanumerical strings
...Firefox, and IE11.
Here's an example. It returns 1, meaning 10 goes after 2:
'10'.localeCompare('2', undefined, {numeric: true, sensitivity: 'base'})
For performance when sorting large numbers of strings, the article says:
When comparing large numbers of strings, such as in sorting large ar...
How can I check if an element exists in the visible DOM?
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25 Answers
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Android Calling JavaScript functions in WebView
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edited Mar 10 '12 at 1:29
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answered Dec 2 '10 at 0:43
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Cannot add or update a child row: a foreign key constraint fails
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