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Delete/Reset all entries in Core Data?
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Labels for radio buttons in rails form
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answered Apr 14 '09 at 5:13
Matt HaleyMatt Haley
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Select statement to find duplicates on certain fields
... which there are multiple records, you can use..
select field1,field2,field3, count(*)
from table_name
group by field1,field2,field3
having count(*) > 1
Check this link for more information on how to delete the rows.
http://support.microsoft.com/kb/139444
There should be a criterion for de...
Change Oracle port from port 8080
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243
From Start | Run open a command window.
Assuming your environmental variables are set correctly ...
How to easily truncate an array with JavaScript?
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edited May 21 '15 at 1:37
David Mason
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answere...
Why does the order of the loops affect performance when iterating over a 2D array?
...mensional. So while you imagine your array like this:
0,0 | 0,1 | 0,2 | 0,3
----+-----+-----+----
1,0 | 1,1 | 1,2 | 1,3
----+-----+-----+----
2,0 | 2,1 | 2,2 | 2,3
Your computer stores it in memory as a single line:
0,0 | 0,1 | 0,2 | 0,3 | 1,0 | 1,1 | 1,2 | 1,3 | 2,0 | 2,1 | 2,2 | 2,3
In the 2...
Why does `a == b or c or d` always evaluate to True?
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