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How to form tuple column from two columns in Pandas
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How to find out element position in slice?
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Evan ShawEvan Shaw
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Rails 3 check if attribute changed
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Peter BrownPeter Brown
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How can I extract a good quality JPEG image from a video file with ffmpeg?
... the default is -qmin 2).
To output a series of images:
ffmpeg -i input.mp4 -qscale:v 2 output_%03d.jpg
See the image muxer documentation for more options involving image outputs.
To output a single image at ~60 seconds duration:
ffmpeg -ss 60 -i input.mp4 -qscale:v 4 -frames:v 1 output.jpg
This ...
What does each of the [y,n,q,a,d,/,K,j,J,g,e,?] stand for in context of git -p
...s staged.
– Alexander Bird
Oct 20 '14 at 21:39
I use -p for stashing, didn't know you could use this for add too! Just...
What are the differences between the BLOB and TEXT datatypes in MySQL?
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answered Jul 24 '12 at 5:45
DarceyDarcey
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Determine command line working directory when running node bin script
...Vadim Baryshev
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How to use JavaScript variables in jQuery selectors?
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var name = this.name;
$("input[name=" + name + "]").hide();
OR you can do something like this...
How to show line number when executing bash script
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Static fields on a null reference in Java
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edited Jul 24 '14 at 3:05
Tiny
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