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What is the difference between include and require in Ruby?
... stkent
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answered Nov 25 '08 at 17:19
HanClintoHanClinto
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Change column type from string to float in Pandas
...s a Series or a single column of a DataFrame.
>>> s = pd.Series(["8", 6, "7.5", 3, "0.9"]) # mixed string and numeric values
>>> s
0 8
1 6
2 7.5
3 3
4 0.9
dtype: object
>>> pd.to_numeric(s) # convert everything to float values
0 8.0
1 6.0
2 7...
Migration: Cannot add foreign key constraint
... Antonio Carlos RibeiroAntonio Carlos Ribeiro
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What are the underlying data structures used for Redis?
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myusuf3
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answered Mar 8 '12 at 22:54
antirezantirez
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Python: Why is functools.partial necessary?
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Alex MartelliAlex Martelli
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When to use symbols instead of strings in Ruby?
... # instantiated symbols.
a = :one
puts a.object_id
# prints 167778
a = :two
puts a.object_id
# prints 167858
a = :one
puts a.object_id
# prints 167778 again - the same object_id from the first time!
puts Symbol.all_symbols.count - symbols_count
# prints 2, the two objects we created.
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JavaScript/jQuery to download file via POST with JSON data
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edited Nov 6 '15 at 18:39
answered Dec 6 '11 at 1:11
S...
list.clear() vs list = new ArrayList(); [duplicate]
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How to convert hex to rgb using Java?
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xhhxhh
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How do I wrap a selection with an HTML tag in Visual Studio?
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