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Converting a column within pandas dataframe from int to string
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In [16]: df = DataFrame(np.arange(10).reshape(5,2),columns=list('AB'))
In [17]: df
Out[17]:
A B
0 0 1
1 2 3
2 4 5
3 6 7
4 8 9
In [18]: df.dtypes
Out[18]:
A int64
B int64
dtype: object
Convert a series
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Get nth character of a string in Swift programming language
... Most POSIX APIs process strings in terms of UTF-8 code units.
String.utf16 is a collection of UTF-16 code units in
string. Most Cocoa and Cocoa touch APIs process strings in
terms of UTF-16 code units. For example, instances of
NSRange used with NSAttributedString and
NSRegularExpressio...
“java.lang.OutOfMemoryError: PermGen space” in Maven build [duplicate]
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edited Apr 6 at 16:05
rogerdpack
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AngularJS error: 'argument 'FirstCtrl' is not a function, got undefined'
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16 Answers
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SELECT * WHERE NOT EXISTS
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160
You didn't join the table in your query.
Your original query will always return nothing unles...
PDO's query vs execute
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answered Jan 15 '11 at 16:38
GileanGilean
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How to get config parameters in Symfony2 Twig Templates
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edited May 16 '16 at 17:58
answered Dec 2 '11 at 17:20
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How to read from standard input in the console?
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316
I'm not sure what's wrong with the block
reader := bufio.NewReader(os.Stdin)
fmt.Print("Enter...
How do you append to an already existing string?
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answered Feb 12 '10 at 7:16
William PursellWilliam Pursell
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