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Fetch frame count with ffmpeg
...ne know how to fetch the number of total frames from a video file using ffmpeg? The render output of ffmpeg shows the current frame and I need the frame count to calculate the progress in percent.
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What does it mean when a CSS rule is grayed out in Chrome's element inspector?
I'm inspecting an h2 element on a web page using Google Chrome's element inspector and some of the CSS rules--which appear to be applied--are grayed out. It seems that a strike-through indicates that a rule was overridden, but what does it mean when a style is grayed out?
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Role/Purpose of ContextLoaderListener in Spring?
I am learning Spring Framework which is being used in my project. I found the ContextLoaderListener entry in my web.xml file. But could not figure out how exactly it helps a developer?
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Add a common Legend for combined ggplots
I have two ggplots which I align horizontally with grid.arrange . I have looked through a lot of forum posts, but everything I try seem to be commands that are now updated and named something else.
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json.dumps vs flask.jsonify
I am not sure I understand the purpose of the flask.jsonify method. I try to make a JSON string from this:
5 Answers
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HTML File Selection Event
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Listen to the change event.
input.onchange = function(e) {
..
};
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How to pretty print XML from Java?
...mer = TransformerFactory.newInstance().newTransformer();
transformer.setOutputProperty(OutputKeys.INDENT, "yes");
transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "2");
//initialize StreamResult with File object to save to file
StreamResult result = new StreamResult(new Str...
How do I create a directory from within Emacs?
...ctly can I create a new directory using Emacs? What commands do I use? (If possible, please provide an example)
6 Answers
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Search for selection in vim
I use vim and vim plugins for visual studio when writing C++. Often, I find myself wanting to search for a string within a function, for example every call to object->public_member.memberfunc() .
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
I have a Java web service client, which consumes a web service via HTTPS.
19 Answers
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