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Can I create a named default constraint in an add column statement in SQL Server?
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230
This should work:
ALTER TABLE t_tableName
ADD newColumn VARCHAR(50)
CONSTRAINT YourCon...
import module from string variable
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edited May 30 '17 at 6:37
Nam G VU
26.9k5656 gold badges194194 silver badges326326 bronze badges
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List directory in Go
...sence, note that using Readdirnames is orders of magnitude faster (around 20x faster for me)
– SquattingSlavInTracksuit
Oct 14 '19 at 12:41
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Android webview & localStorage
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530
The following was missing:
settings.setDomStorageEnabled(true);
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How to get the top 10 values in postgresql?
...or this you can use limit
select *
from scores
order by score desc
limit 10
If performance is important (when is it not ;-) look for an index on score.
Starting with version 8.4, you can also use the standard (SQL:2008) fetch first
select *
from scores
order by score desc
fetch first 10 rows ...
Escaping quotes and double quotes
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60
Escaping parameters like that is usually source of frustration and feels a lot like a time waste...
Difference between CSS3 transitions' ease-in and ease-out
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edited Feb 12 '14 at 2:40
answered Mar 9 '12 at 15:03
Ry-...
How to allow keyboard focus of links in Firefox?
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+100
Ok, somebody explained this to me. It's a Mac problem. Mozilla is being true to operating system settings in Mac OS.
There are two d...
Counting array elements in Python [duplicate]
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304
The method len() returns the number of elements in the list.
Syntax:
len(myArray)
Eg:
myAr...
John Carmack's Unusual Fast Inverse Square Root (Quake III)
...ates the inverse square root of a float, 4x faster than regular (float)(1.0/sqrt(x)) , including a strange 0x5f3759df constant. See the code below. Can someone explain line by line what exactly is going on here and why this works so much faster than the regular implementation?
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