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How to reshape data from long to wide format
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268
Using reshape function:
reshape(dat1, idvar = "name", timevar = "numbers", direction = "wide"...
Center a column using Twitter Bootstrap 3
How do I center a div of one column size within the container (12 columns) in Twitter Bootstrap 3 ?
34 Answers
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Equation (expression) parser with precedence?
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22 Answers
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Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...nity cost). If all that stuff was added, the next standard C++ would be C++215x and would probably be fully implemented by compiler developers three hundred years after that.
Anyway, that's my (rather voluminous) thoughts on the matter. If only votes were handed out bases on quantity rather than qu...
Saving an Object (Data persistence)
...40)
pickle.dump(company1, output, pickle.HIGHEST_PROTOCOL)
company2 = Company('spam', 42)
pickle.dump(company2, output, pickle.HIGHEST_PROTOCOL)
del company1
del company2
with open('company_data.pkl', 'rb') as input:
company1 = pickle.load(input)
print(company1.name) # -> ...
UPDATE and REPLACE part of a string
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725
You don't need wildcards in the REPLACE - it just finds the string you enter for the second arg...
Append column to pandas dataframe
...ust looking for a join:
> dat1 = pd.DataFrame({'dat1': [9,5]})
> dat2 = pd.DataFrame({'dat2': [7,6]})
> dat1.join(dat2)
dat1 dat2
0 9 7
1 5 6
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Analyze audio using Fast Fourier Transform
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209
The array you are showing is the Fourier Transform coefficients of the audio signal. These coe...
Sublime Text 2: How to delete blank/empty lines
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hdoghmen
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answered Aug 17 '12 at 16:22
Hugo CorráHugo ...