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SQL Server - When to use Clustered vs non-Clustered Index?
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edited Dec 6 '13 at 0:43
Zain Rizvi
20.7k1717 gold badges7878 silver badges118118 bronze badges
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Why doesn't Python have a sign function?
... it.
>>> math.copysign(1, -4)
-1.0
>>> math.copysign(1, 3)
1.0
If you get sick of passing two whole arguments, you can implement sign this way, and it will still be compatible with the IEEE stuff mentioned by others:
>>> sign = functools.partial(math.copysign, 1) # eit...
What is the significance of 1/1/1753 in SQL Server?
Why 1753? What do they have against 1752? My great great great great great great great grandfather would be very offended.
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How do I create a SHA1 hash in ruby?
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386
require 'digest/sha1'
Digest::SHA1.hexdigest 'foo'
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Remove file from SVN repository without deleting local copy
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phihagphihag
239k6060 gold badges406406 silver badges444444 bronze badges
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Convert varchar to uniqueidentifier in SQL Server
...RING(@uuid, 1, 8) + '-' + SUBSTRING(@uuid, 9, 4) + '-' + SUBSTRING(@uuid, 13, 4) + '-' +
SUBSTRING(@uuid, 17, 4) + '-' + SUBSTRING(@uuid, 21, 12)
AS UNIQUEIDENTIFIER)
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improv...
Can media queries resize based on a div element instead of the screen?
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235
+100
No, med...
How do you debug PHP scripts? [closed]
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30 Answers
30
Active
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How to determine if a record is just created or updated in after_save
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edited Nov 10 '17 at 19:39
answered Aug 25 '11 at 0:41
Zu...
Vim: insert the same characters across multiple lines
...to the n in name.
Enter visual block mode (Ctrlv).
Press j three times (or 3j).
Press I (capital i).
Type in vendor_. Note: It will only update the screen in the first line - until Esc is pressed (6.), at which point all lines will be updated.
Press Esc.
An uppercase I must be used rather than a...