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How to concatenate two MP4 files using FFmpeg?
...uts).
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 whe...
Can a decorator of an instance method access the class?
... oh, actually it looks like inspect to the rescue stackoverflow.com/a/1911287/202168
– Anentropic
Apr 25 '14 at 10:57
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Break promise chain and call a function based on the step in the chain where it is broken (rejected)
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58
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Autoincrement VersionCode with gradle extra properties
...at there are any number of possible solutions; here is one:
android {
compileSdkVersion 18
buildToolsVersion "18.1.0"
def versionPropsFile = file('version.properties')
if (versionPropsFile.canRead()) {
def Properties versionProps = new Properties()
versionProps.lo...
Multiple controllers with AngularJS in single page app
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If you're coming off examples that put the "ng-app" in each DIV next to your "ng-controller", try moving just one "ng-app" into the "body" tag (and delete the per-div "ng-app" tags) if only your first controller works. (I remember thi...
400 vs 422 response to POST of data
... the syntax of the request.
However as pointed out by Lee Saferite in the comments, RFC 7231, which obsoletes RFC 2616, does not include that restriction:
The 400 (Bad Request) status code indicates that the server cannot or will not process the request due to something that is perceived to be ...
How do you use NSAttributedString?
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118
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PDO MySQL: Use PDO::ATTR_EMULATE_PREPARES or not?
... for multiple queries your overall execution may be slower.
As a final recommendation, I think with older versions of MySQL+PHP, you should emulate prepared statements, but with your very recent versions you should turn emulation off.
After writing a few apps that use PDO, I've made a PDO connect...
How to send data to local clipboard from a remote SSH session
...local clipboard, using only the keyboard.
The essence of the solution:
commandThatMakesOutput | ssh desktop pbcopy
When run in an ssh session to a remote computer, this command takes the output of commandThatMakesOutput (e.g. ls, pwd) and pipes the output to the clipboard of the local computer...
What is the difference between statically typed and dynamically typed languages?
...ages
A language is statically typed if the type of a variable is known at compile time. For some languages this means that you as the programmer must specify what type each variable is (e.g.: Java, C, C++); other languages offer some form of type inference, the capability of the type system to dedu...