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How to concatenate two MP4 files using FFmpeg?

...lex "[0:v] [0:a] [1:v] [1:a] [2:v] [2:a] concat=n=3:v=1:a=1 [v] [a]" \ -map "[v]" -map "[a]" output.mkv Note that this method performs a re-encode. 2. concat demuxer Use this method when you want to avoid a re-encode and your format does not support file level con...
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What is the difference between t.belongs_to and t.references in rails?

... answered Oct 17 '11 at 14:34 muffinistamuffinista 6,28022 gold badges2626 silver badges2323 bronze badges ...
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How to set the thumbnail image on HTML5 video?

... | edited Nov 19 '13 at 15:53 Afzaal Ahmad Zeeshan 14.5k1010 gold badges4747 silver badges9393 bronze badges ...
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How to get a string after a specific substring?

... Don Kirkby 37.7k1717 gold badges163163 silver badges235235 bronze badges answered Sep 24 '12 at 20:27 Joran Beas...
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Collect successive pairs from a stream

Given a stream such as { 0, 1, 2, 3, 4 } , 20 Answers 20 ...
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Enum type constraints in C# [duplicate]

... 93 This is an occasionally requested feature. As I'm fond of pointing out, ALL features are unimp...
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Run certain code every n seconds [duplicate]

... 332 import threading def printit(): threading.Timer(5.0, printit).start() print "Hello, World...
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Flattening a shallow list in Python [duplicate]

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Xcode/Simulator: How to run older iOS version?

...ut what I'm wondering is if I'll still be able to run the simulator as iOS 3.2. This is because I'm creating iAds for iPad but I still want to check if my program will run with iOS 3.2. ...
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How to check if a value exists in a dictionary (python)

... 394 >>> d = {'1': 'one', '3': 'three', '2': 'two', '5': 'five', '4': 'four'} >>>...