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Assign multiple columns using := in data.table, by group
... a b col1 col2 mean sum Name1 Longer%
# 1: 1 1 hi hello 2.5 5 10 15
# 2: 2 2 hi hello 3.5 7 14 21
# 3: 3 3 hi hello 4.5 9 18 27
# 4: 1 4 hi hello 2.5 5 10 15
# 5: 2 5 hi hello 3.5 7 14 21
# 6: 3 6 hi hello 4.5 9 18 27...
jquery how to empty input field
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answered Feb 10 '12 at 23:36
shaunsantacruzshaunsantacruz
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Checking for a null int value from a Java ResultSet
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looping through an NSMutableDictionary
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answered Oct 12 '10 at 11:58
Henrik P. HesselHenrik P. Hessel
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Pure virtual function with implementation
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answered Jan 18 '10 at 21:00
Michael BurrMichael Burr
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Python's equivalent of && (logical-and) in an if-statement
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find without recursion
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answered Oct 13 '10 at 15:35
eldarerathiseldarerathis
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How to implement LIMIT with SQL Server?
...SalesOrderHeader
)
SELECT *
FROM OrderedOrders
WHERE RowNumber BETWEEN 10 AND 20;
or something like this for 2000 and below versions...
SELECT TOP 10 * FROM (SELECT TOP 20 FROM Table ORDER BY Id) ORDER BY Id DESC
sha...
Turn off Chrome/Safari spell checking by HTML/css
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edited Oct 10 '14 at 14:54
answered Dec 24 '10 at 4:16
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How to connect an existing SQL Server login to an existing SQL Server database user of same name
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answered Jun 29 '10 at 20:26
gbngbn
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