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How to add a new audio (not mixing) into a video using ffmpeg?
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ffmpeg -i video.mkv -i audio.m4a -filter_complex "[0:a][1:a]amerge=inputs=2[a]" -map 0:v -map "[a]" -c:v copy -ac 2 -shortest output.mkv
See FFmpeg Wiki: Audio Channels for more info.
Generate silent audio
You can use the anullsrc filter to make a silent audio stream. The filter allows you to choo...
How to change 'Maximum upload size exceeded' restriction in Shiny and save user file inputs?
...xRequestSize option. For example, adding options(shiny.maxRequestSize=30*1024^2) to the top of server.R would increase the limit to 30MB.
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How to justify a single flexbox item (override justify-content)
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edited Apr 19 at 21:59
Brampage
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Build Android Studio app via command line
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Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...ustom InfoWindow after a click on a marker with the new Google Maps API v2. I want it to look like in the original maps application by Google. Like this:
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Should *.xccheckout files in Xcode5 be ignored under VCS?
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edited Apr 2 '14 at 14:35
Ben Collins
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Why would one use nested classes in C++?
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Nested classes are cool for hiding implementation details.
List:
class List
{
public:
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Easiest way to read from a URL into a string in .NET
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using(WebClient client = new WebClient()) {
string s = client.DownloadString(url);
}
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Correct format specifier for double in printf
... a long double, you use %Lf for either printf or scanf).
1. C99, §6.5.2.2/6: "If the expression that denotes the called function has a type that does not include a prototype, the integer promotions are performed on each argument, and arguments that have type float are promoted to double. These ...
How to test equality of Swift enums with associated values
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Swift 4.1+
As @jedwidz has helpfully pointed out, from Swift 4.1 (due to SE-0185, Swift also ...