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Android: how to make an activity return results to the activity which calls it?
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In order to start an activity which should return result to the calling activity, you should do...
Hide all warnings in ipython
...rary/warnings.html
– AZhao
Jul 13 '15 at 17:23
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How can I sort generic list DESC and ASC?
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connect local repo with remote repo
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git remote add origin <remote_repo_url>
git push --all origin
If you want to set all of...
Why are my basic Heroku apps taking two seconds to load?
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The easiest way to fix this is to increase your dynos to 2.
– Chap
Apr 9 '10 at 12:37
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How can I extract a good quality JPEG image from a video file with ffmpeg?
...le the qscale being roughly half the bitrate.
Recommend trying values of 2-5.
You can use a value of 1 but you must add the -qmin 1 output option (because 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 mo...
Understanding repr( ) function in Python
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How to add multiple files to Git at the same time
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daxdax
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Why does an NSInteger variable have to be cast to long when used as a format argument?
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