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Analyze audio using Fast Fourier Transform

... 209 The array you are showing is the Fourier Transform coefficients of the audio signal. These coe...
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How to reshape data from long to wide format

... 268 Using reshape function: reshape(dat1, idvar = "name", timevar = "numbers", direction = "wide"...
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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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Count number of records returned by group by

... COUNT(*) OVER () AS TotalRecords from temptable group by column_1, column_2, column_3, column_4 share | improve this answer | follow | ...
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Some built-in to pad a list in python

... oyvind 1,24022 gold badges1111 silver badges2121 bronze badges answered Aug 9 '10 at 9:43 John La RooyJohn La ...
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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 share | improve this answ...
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How do you create nested dict in Python?

I have 2 CSV files: 'Data' and 'Mapping': 4 Answers 4 ...
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What is the correct syntax for 'else if'?

I'm a new Python programmer who is making the leap from 2.6.4 to 3.1.1. Everything has gone fine until I tried to use the 'else if' statement. The interpreter gives me a syntax error after the 'if' in 'else if' for a reason I can't seem to figure out. ...
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Create nice column output in python

... 123 data = [['a', 'b', 'c'], ['aaaaaaaaaa', 'b', 'c'], ['a', 'bbbbbbbbbb', 'c']] col_width = max(l...
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Difference between “git add -A” and “git add .”

... This answer only applies to Git version 1.x. For Git version 2.x, see other answers. Summary: git add -A stages all changes git add . stages new files and modifications, without deletions git add -u stages modifications and deletions, without new files Detail: git add -A is e...