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How to concatenate two MP4 files using FFmpeg?

...puts). ffmpeg -i opening.mkv -i episode.mkv -i ending.mkv \ -filter_complex "[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 wh...
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What do the terms “CPU bound” and “I/O bound” mean?

...: #define SIZE 1000000000 unsigned int is[SIZE]; unsigned int sum = 0; size_t i = 0; for (i = 0; i < SIZE; i++) /* Each one of those requires a RAM access! */ sum += is[i] Parallelizing that by splitting the array equally for each of your cores is of limited usefulness on common modern d...
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How can I have a newline in a string in sh?

... What I did based on the other answers was NEWLINE=$'\n' my_var="__between eggs and bacon__" echo "spam${NEWLINE}eggs${my_var}bacon${NEWLINE}knight" # which outputs: spam eggs__between eggs and bacon__bacon knight ...
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Force IE compatibility mode off using tags

...e docs: http://msdn.microsoft.com/en-us/library/cc288325(VS.85).aspx#ctl00_contentContainer_ctl16 Using <meta http-equiv="X-UA-Compatible" content=" _______ " /> The Standard User Agent modes (the non-emulate ones) ignore <!DOCTYPE> directives in your page and render based on the st...
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How to change the timeout on a .NET WebClient object

...> Public Class WebClient Inherits System.Net.WebClient Private _TimeoutMS As Integer = 0 Public Sub New() MyBase.New() End Sub Public Sub New(ByVal TimeoutMS As Integer) MyBase.New() _TimeoutMS = TimeoutMS End Sub ''' <summary> ''' S...
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Proper Repository Pattern Design in PHP?

...ters, validation, whatever. class User { public $id; public $first_name; public $last_name; public $gender; public $email; public $password; } Repository Interface Before I create my user repository, I want to create my repository interface. This will define the "contract...
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Collapse sequences of white space into a single character and trim string

... d*mn line endings and auto-format... it doesn't deal with "hello______foo" (assume _ -> " " because formatting comments is hard) – Brian Postow Sep 15 '09 at 14:11 32...
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Converting XML to JSON using Python?

...nversion. from xml.etree import ElementTree as ET xml = ET.parse('FILE_NAME.xml') parsed = parseXmlToJson(xml) def parseXmlToJson(xml): response = {} for child in list(xml): if len(list(child)) > 0: response[child.tag] = parseXmlToJson(child) else: response[child.t...
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Can I get Memcached running on a Windows (x64) 64bit environment?

...x http://allegiance.chi-town.com/Download.aspx?dl=Releases/MemCacheDManager_1_0_3_0.msi&rurl=MemCacheDManager.aspx To unpack the msi: msiexec /a Releases_MemCacheDManager_1_0_3_0.msi /qb TARGETDIR=c:\memcached share ...
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How to delete a file from SD card?

...id 4.4+. But the same code working for 4.3/ – hasnain_ahmad Jul 18 '16 at 12:31  |  show 4 more comments ...