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Converting an integer to a hexadecimal string in Ruby
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How to store CGRect values in NSMutableArray?
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Jason CocoJason Coco
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“simple” vs “current” push.default in git for decentralized workflow
...swered May 28 '14 at 17:42
user456814user456814
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How to get JSON objects value if its name contains dots?
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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...
MySQL remove all whitespaces from the entire column
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Suppress properties with null value on ASP.NET Web API
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Rails mapping array of hashes onto single hash
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answered Aug 8 '12 at 1:54
cjhvealcjhveal
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Using :after to clear floating elements
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Reading a string with scanf
...0]). On the other hand, scanf("%s", &string) passes a pointer-to-char[256], but it points to the same place.
Then scanf, when processing the tail of its argument list, will try to pull out a char *. That's the Right Thing when you've passed in string or &string[0], but when you've passed in...