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What are the differences and similarities between ffmpeg, libav, and avconv?
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Confusing messages
These messages are rather misleading and understandably a source of confusion. Older Ubuntu versions used Libav which is a fork of the FFmpeg project. FFmpeg returned in Ubuntu 15.04 "Vivid Vervet".
The fork was basically a non-amicable result of conflicting pe...
Is there a Mutex in Java?
...someObject) {
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}
You can read more about this here: Intrinsic Locks and Synchronization
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CSS background image alt attribute
...t, this is often recommended where presenting visual icons is more compact and user-friendly than an equivalent list of text blurbs. Any use of image sprites can benefit from this approach.
It is quite common for hotel listings icons to display amenities. Imagine a page which listed 50 hotel and ea...
Embed image in a element
...<button> element in HTML.
The button is the same size as the image, and the image is shown but for some reason not in the center - so it's impossible to see it all.
In other words it seems like the top right corner of the image is located at the center of the button and not at the top right c...
How to get exit code when using Python subprocess communicate method?
How do I retrieve the exit code when using Python's subprocess module and the communicate() method?
5 Answers
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How to run multiple shells on Emacs
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C-u runs the command universal-argument. It's a way of injecting an argument into the next command. You can read more about it with C-h k C-u (C-h k runs describe-key, very handy!)
– Matt Curtis
Sep 28 '...
What is tail recursion?
...cursion, the typical model is that you perform your recursive calls first, and then you take the return value of the recursive call and calculate the result. In this manner, you don't get the result of your calculation until you have returned from every recursive call.
In tail recursion, you perfor...
How to simulate Server.Transfer in ASP.NET MVC?
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httpContext.RewritePath(this.Url, false);
IHttpHandler httpHandler = new MvcHttpHandler();
httpHandler.ProcessRequest(httpContext);
}
}
}
Updated: Now works with MVC3 (using code from Simon's post). It should (haven't been able to test it) also wo...
Python os.path.join on Windows
I am trying to learn python and am making a program that will output a script. I want to use os.path.join, but am pretty confused. According to the docs if I say:
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How can I declare and define multiple variables in one line using C++?
...ight, width; might turn into uint8_t height; uint16_t width; in the future and should have been uint8_t height; uint8_t width; to begin with).
– altendky
Jun 17 '15 at 15:08
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