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Convert audio files to mp3 using ffmpeg
...wav -vn -ar 44100 -ac 2 -b:a 192k output.mp3
Explanation of the used argum>me m>nts in this example:
-i - input file
-vn - Disable video, to make sure no video (including album cover image) is included if the source would be a video file
-ar - Set the audio sampling frequency. For output streams it i...
Recomm>me m>ndation for compressing JPG files with ImageMagick
...output size is bigger than the input. I don't know why, but after adding som>me m> +profile options and setting down the quality I can get an smaller size but still similar to original.
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What is the difference between & and && in Java?
...se since the result will be false
(x != 0) & (1/x > 1) <-- this m>me m>ans evaluate (x != 0) then evaluate (1/x > 1) then do the &. the problem is that for x=0 this will throw an exception.
(x != 0) && (1/x > 1) <-- this m>me m>ans evaluate (x != 0) and only if this is true th...
Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
...pture the Ctrl+C ( SIGINT ) signal sent from the console and print out som>me m> partial run totals.
10 Answers
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How do I get the current usernam>me m> in .NET using C#?
How do I get the current usernam>me m> in .NET using C#?
18 Answers
18
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Can the Android drawable directory contain subdirectories?
In the Android SDK docum>me m>ntation, all of the examples used with the @drawable/my_image xml syntax directly address images that are stored in the res/drawable directory in my project.
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Convert NaN to 0 in javascript
Is there a way to convert NaN values to 0 without an if statem>me m>nt:
11 Answers
11
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Rebase array keys after unsetting elem>me m>nts
...elying on unique key values to identify the output from a form, one of the m>me m>thods below works better.
– user1239087
Feb 20 '17 at 0:09
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sh...
Is String.Contains() faster than String.IndexOf()?
... 0);
}
Which calls CompareInfo.IndexOf, which ultimately uses a CLR implem>me m>ntation.
If you want to see how strings are compared in the CLR this will show you (look for CaseInsensitiveCompHelper).
IndexOf(string) has no options and Contains()uses an Ordinal compare (a byte-by-byte comparison rat...