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Fetch frame count with ffmpeg
...below.
ffprobe: Query the container
ffprobe -v error -select_streams v:0 -show_entries stream=nb_frames -of default=nokey=1:noprint_wrappers=1 input.mp4
This is a fast method.
Not all formats (such as Matroska) will report the number of frames resulting in the output of N/A. See the other met...
nil detection in Go
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alamin
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answered Nov 27 '13 at 10:47
OleiadeOleiade
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How to use sed to replace only the first occurrence in a file?
...ript---
or, if you prefer: Editor's note: works with GNU sed only.
sed '0,/foo/s//bar/' file
Source
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Cross-browser custom styling for file upload button [duplicate]
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label.myLabel input[type="file"] {
position:absolute;
top: -1000px;
}
/***** Example custom styling *****/
.myLabel {
border: 2px solid #AAA;
border-radius: 4px;
padding: 2px 5px;
margin: 2px;
background: #DDD;
display: inline-block;
}
.myLabel:hove...
Difference between InvariantCulture and Ordinal string comparison
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309
InvariantCulture
Uses a "standard" set of character orderings (a,b,c, ... etc.). This is in c...
Code for a simple JavaScript countdown timer?
I want to use a simple countdown timer starting at 30 seconds from when the function is run and ending at 0. No milliseconds. How can it be coded?
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Detail change after Git pull
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209
Suppose you're pulling to master. You can refer to the previous position of master by master@{1...
MySQL Update Inner Join tables query
I have no idea what the problem is. Using MySQL 5.0 I get a compile error when attempting to run the following MySQL update query:
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Using jQuery to see if a div has a child with a certain class
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201
You can use the find function:
if($('#popup').find('p.filled-text').length !== 0)
// Do Stu...
Microsecond timing in JavaScript
... It returns the number of microseconds in the fractional (e.g. a value of 1000.123 is 1 second and 123 microseconds).
now() is monotonically increasing. This is important as Date.getTime() can possibly jump forward or even backward on subsequent calls. Notably, if the OS's system time is updated (...