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FFmpeg: How to split video efficiently?
...fmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:00 -sn test1.mkv
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:30:00 -t 01:00:00 -sn test2.mkv
echo "One command"
time ffmpeg -v quiet -y -i input.ts -vcodec copy -acodec copy -ss 00:00:00 -t 00:30:...
Calling async method synchronously
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edited Jan 7 at 10:37
answered Mar 25 '14 at 8:41
He...
How do I choose grid and block dimensions for CUDA kernels?
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3 Answers
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Why does @foo.setter in Python not work for me?
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309
You seem to be using classic old-style classes in python 2. In order for properties to work co...
How to select only the records with the highest date in LINQ
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231
If you just want the last date for each account, you'd use this:
var q = from n in table
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What is PECS (Producer Extends Consumer Super)?
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edited May 29 '15 at 16:39
answered Apr 27 '10 at 17:37
M...
Count how many records are in a CSV Python?
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edited Aug 19 '16 at 7:13
answered Apr 19 '13 at 15:51
Ma...
How to suppress “unused parameter” warnings in C?
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304
I usually write a macro like this:
#define UNUSED(x) (void)(x)
You can use this macro for a...
Multiple line code example in Javadoc comment
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David Tonhofer
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answered Feb 12 '09 at 16:26
Fabian SteegFabian St...
Map over object preserving keys
...ap the values and preserve the keys.
_.mapObject({ one: 1, two: 2, three: 3 }, function (v) { return v * 3; });
// => { one: 3, two: 6, three: 9 }
DEMO
With Lodash
Lodash provides a function _.mapValues to map the values and preserve the keys.
_.mapValues({ one: 1, two: 2, three: 3 }, fu...