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Add margin above top ListView item (and below last) in Android
...unnar KarlssonGunnar Karlsson
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Specify width in *characters*
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edited Jul 21 '12 at 21:41
answered Nov 20 '11 at 20:11
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How to pass argument to Makefile from command line?
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What is the meaning of the prefix N in T-SQL statements and when should I use it?
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How to create a colored 1x1 UIImage on the iPhone dynamically?
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edited Apr 27 '17 at 14:09
Wanbok Choi
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How to find out element position in slice?
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Evan ShawEvan Shaw
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How does MongoDB sort records when no sort order is specified?
...al data structures.
The original MMAPv1 storage engine (removed in MongoDB 4.2) allocates record space for documents based on padding rules. If a document outgrows the currently allocated record space, the document location (and natural ordering) will be affected. New documents can also be inserted ...
How to form tuple column from two columns in Pandas
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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 ...