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awk without printing newline
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awk '{sum+=$3}; END {printf "%f",sum/NR}' ${file}_${f}_v1.xls >> to-plot-p.xls
print w...
How to find out what type of a Mat object is with Mat::type() in OpenCV
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Here is a handy function you can use to help with identifying your opencv matrices at runtime....
Convert DataFrame column type from string to datetime, dd/mm/yyyy format
...'t strict).
Here it is in action:
In [11]: pd.to_datetime(pd.Series(['05/23/2005']))
Out[11]:
0 2005-05-23 00:00:00
dtype: datetime64[ns]
You can pass a specific format:
In [12]: pd.to_datetime(pd.Series(['05/23/2005']), format="%m/%d/%Y")
Out[12]:
0 2005-05-23
dtype: datetime64[ns]
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PHP Session Security
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edited Jun 6 '12 at 17:37
user656925
answered Aug 11 '08 at 2:38
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GitHub Error Message - Permission denied (publickey)
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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default
Above doesn't work first time, works 2nd time.
16 Answers
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Fetch frame count with ffmpeg
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Media Info: Language "Undetermined (und)" - Type "vide:avc1" - 2525 samples
In this example the video stream has 2525 frames.
boxdumper
For MP4/M4V/M4A/MOV files.
boxdumper is a simple tool from l-smash. It will output a large amount of information. Under the stsz sample size box ...
Convert string to integer type in Go?
... != nil {
// handle error
fmt.Println(err)
os.Exit(2)
}
fmt.Println(s, i)
}
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