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Converting a column within pandas dataframe from int to string

... 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...
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TFS Get Specific Version into separate folder

... Andy WhiteAndy White 79.1k4646 gold badges167167 silver badges204204 bronze badges 1 ...
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PDO's query vs execute

... answered Jan 15 '11 at 16:38 GileanGilean 14.3k1010 gold badges4242 silver badges5252 bronze badges ...
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SELECT * WHERE NOT EXISTS

... 160 You didn't join the table in your query. Your original query will always return nothing unles...
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“java.lang.OutOfMemoryError: PermGen space” in Maven build [duplicate]

... | edited Apr 6 at 16:05 rogerdpack 46.2k3030 gold badges200200 silver badges315315 bronze badges ...
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AngularJS error: 'argument 'FirstCtrl' is not a function, got undefined'

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Is a Python list guaranteed to have its elements stay in the order they are inserted in?

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How to read from standard input in the console?

... 316 I'm not sure what's wrong with the block reader := bufio.NewReader(os.Stdin) fmt.Print("Enter...
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How is “int* ptr = int()” value initialization not illegal?

... answered Nov 9 '11 at 16:14 Jerry CoffinJerry Coffin 422k6666 gold badges554554 silver badges10091009 bronze badges ...