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How to add a new audio (not mixing) into a video using ffmpeg?
...:a -c:v copy -shortest output.mp4
The -map option allows you to manually select streams / tracks. See FFmpeg Wiki: Map for more info.
This example uses -c:v copy to stream copy (mux) the video. No re-encoding of the video occurs. Quality is preserved and the process is fast.
If your input audio f...
Difference between map and collect in Ruby?
..., in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these languages. A collect alias for map is also provided in Ruby (from Smallt...
Liquibase lock - reasons?
...ONTINUE">
<sqlCheck expectedResult="0">
select count(*) from user_sequences where sequence_name = 'SEQUENCE_NAME_SEQ';
</sqlCheck>
</preConditions>
<createSequence sequenceName="SEQUENCE_NAME_SEQ"/>
</changeSet>
Lockd...
Using Tint color on UIImageView
...
You can select image in assets and select in right panel default rendering mode
– Nikolay Shubenkov
Oct 22 '15 at 13:48
...
Completely uninstall PostgreSQL 9.0.4 from Mac OSX Lion?
... the settings panel by clicking on the padlock and entering your password.
Select the PostgreSQL user and click on the minus button.
Restore your shared memory settings:
sudo rm /etc/sysctl.conf
That should be all! The uninstall wizard would have removed all icons and start-up applications file...
Forking from GitHub to Bitbucket
...epo on bitbucket.org
Here are the steps:
Click on the Create button and select Repository ('+' > Repository)
Now, instead of creating a new repository select a import repository from the top right corner of the modal that pops up.
fill in your github repo's URL and your authentication credenti...
Displaying build times in Visual Studio?
...uild Projects (e.g. all .Net-Projects):
Click Tools -> Options and then select Projects and Solutions -> Build and Run.
Change MSBuild project build output verbosity to Normal. So it will display Time Elapsed in every Solution Project it builds.
But there is unfortunatily no Elapsed Time Sum ...
Play/pause HTML 5 video using JQuery
...y equivalent -- if you wanted to do this to fit in with an existing jQuery selection -- would be $('#videoId').get(0).play(). (get gets the native DOM element from the jQuery selection.)
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Determine font color based on background color
...
I encountered similar problem. I had to find a good method of selecting contrastive font color to display text labels on colorscales/heatmaps. It had to be universal method and generated color had to be "good looking", which means that simple generating complementary color was not good ...
Remove characters from C# string
... where char.IsWhiteSpace(c) || char.IsLetterOrDigit(c)
select c
).ToArray());
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