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Difference between `set`, `setq`, and `setf` in Common Lisp?
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Originally, in Lisp, there were no lexical variables -- only dynamic ones. And
there was no SE...
Is it better to call ToList() or ToArray() in LINQ queries?
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Detect the specific iPhone/iPod touch model [duplicate]
...). However, to stop the users from trying to play a multiplayer on an iPod 1st gen and iPhone 2G I need to check for the specific device model.
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Counting the number of elements with the values of x in a vector
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Pandas - How to flatten a hierarchical index in columns
I have a data frame with a hierarchical index in axis 1 (columns) (from a groupby.agg operation):
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calculating the difference in months between two dates
...o months difference? If you say it should yield one, then what about July 31, 2009 and August 1, 2009? Is that a month? Is it simply the difference of the Month values for the dates, or is it more related to an actual span of time? The logic for determining all of these rules is non-trivial, so you'...
Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers
...umns to DataFrame constructor, as in:
>>> pd.DataFrame(data=data[1:,1:], # values
... index=data[1:,0], # 1st column as index
... columns=data[0,1:]) # 1st row as the column names
edit: as in the @joris comment, you may need to change above to np.int_(dat...
Difference between Math.Floor() and Math.Truncate()
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