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How do I rename a column in a database table using SQL?
...statement:
=> SELECT * FROM Test1;
id | foo | bar
----+-----+-----
2 | 1 | 2
=> ALTER TABLE Test1 RENAME COLUMN foo TO baz;
ALTER TABLE
=> SELECT * FROM Test1;
id | baz | bar
----+-----+-----
2 | 1 | 2
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What is the reason for having '//' in Python? [duplicate]
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In Python 3, they made the / operator do a floating-point division, and added the // operator t...
sed one-liner to convert all uppercase to lowercase?
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252
With tr:
# Converts upper to lower case
$ tr '[:upper:]' '[:lower:]' < input.txt > out...
When to use LinkedList over ArrayList in Java?
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Why declare a struct that only contains an array in C?
... Blagovest BuyuklievBlagovest Buyukliev
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Display current time in 12 hour format with AM/PM
Currently the time displayed as 13:35 PM
However I want to display as 12 hour format with AM/PM, i.e 1:35 PM instead of 13:35 PM
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How to get the current directory of the cmdlet being executed
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answered Dec 6 '11 at 21:15
JasonMArcherJasonMArcher
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Simultaneously merge multiple data.frames in a list
... but they all share the key variables (which I've called "var1" and "var2" in the code below). If the data.frames were identical in terms of columns, I could merely rbind , for which plyr's rbind.fill would do the job, but that's not the case with these data.
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Can we write our own iterator in Java?
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T.J. CrowderT.J. Crowder
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What is the most “pythonic” way to iterate over a list in chunks?
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