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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...
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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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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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...
How do you create nested dict in Python?
I have 2 CSV files: 'Data' and 'Mapping':
4 Answers
4
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Create nice column output in python
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123
data = [['a', 'b', 'c'], ['aaaaaaaaaa', 'b', 'c'], ['a', 'bbbbbbbbbb', 'c']]
col_width = max(l...
Difference between “git add -A” and “git add .”
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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...
How do you round to 1 decimal place in Javascript?
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21 Answers
21
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Get program execution time in the shell
... of the TIMEFORMAT variable as the output format.
Example:
$ time sleep 2
real 0m2.009s
user 0m0.000s
sys 0m0.004s
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How to check version of a CocoaPods framework
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252
The Podfile.lock keeps track of the resolved versions of each Pod installed. If you want to do...