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Fetch frame count with ffmpeg
Does anyone 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 is this weird colon-member (“ : ”) syntax in the constructor?
...or<double> emptyVec(0);, std::vector<double> fullVec(10,23.);, etc. Only with the type removed, of course, because the type is in the member declaration.
– Steve Jessop
Nov 11 '09 at 1:03
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Difference between single and double quotes in Bash
... double quotes will. For example: variables, backticks, certain \ escapes, etc.
Example:
$ echo "$(echo "upg")"
upg
$ echo '$(echo "upg")'
$(echo "upg")
The Bash manual has this to say:
3.1.2.2 Single Quotes
Enclosing characters in single quotes (') preserves the literal value of each ...
Accessing console and devtools of extension's background.js
...lects its "javascript environment" then you'll have access to its methods, etc.
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What is the difference between a static and a non-static initialization code block
... the time it is used when doing database connection, API init, Logging and etc.
Don't just bark! where is example?
package com.example.learnjava;
import java.util.ArrayList;
public class Fruit {
static {
System.out.println("Inside Static Initializer.");
// fruits array
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Download and open PDF file using Ajax
...ode is able to download a file using a JQuery Ajax request (GET, POST, PUT etc). It, also, helps to upload parameters as JSON and to change the content type to application/json (my default).
The html source:
<form method="POST">
<input type="text" name="startDate"/>
<input...
Determining the current foreground application from a background task or service
...d, which knows when any of the built-in applications (messaging, contacts, etc) is running.
13 Answers
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How to apply an XSLT Stylesheet in C#
...re able to set XmlReaderSettings and XmlWriterSettings using DTD, Schemas, etc.
– Alina B.
Oct 11 '14 at 6:09
2
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Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
...aiohttp.ClientSession(timeout=timeout) as client:
try:
etc.
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Spring AOP vs AspectJ
...ed for application specific tasks such as security, logging, transactions, etc. as it uses custom Java5 annotations as a framework. However, AspectJ seems to be more friendly design-patterns wise.
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