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Convert floating point number to a certain precision, and then copy to string
I have a floating point number, say 135.12345678910 . I want to concatenate that value to a string, but only want 135.123456789 . With print, I can easily do this by doing something like:
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Crop MP3 to first 30 seconds
...and it also takes longer to do.
Here's a command line that will slice to 30 seconds without transcoding:
ffmpeg -t 30 -i inputfile.mp3 -acodec copy outputfile.mp3
The -acodec switch tells ffmpeg to use the special "copy" codec which does not transcode. It is lightning fast.
NOTE: the command w...
jQuery Set Select Index
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answered Aug 14 '09 at 22:32
MarcMarc
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Distributed sequence number generation?
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+100
OK, this is a very old question, which I'm first seeing now.
You'll need to differentiate between sequence numbers and unique IDs th...
How to find the mysql data directory from command line in windows
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302
You can issue the following query from the command line:
mysql -uUSER -p -e 'SHOW VARIABLES WH...
Does SVG support embedding of bitmap images?
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209
Yes, you can reference any image from the image element. And you can use data URIs to make the ...
How to change the port of Tomcat from 8080 to 80?
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1) Go to conf folder in tomcat installation directory
e.g. C:\Tomcat 6.0\conf\
2) Edit following tag in server.xml file
<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>
3) Change the port=8080 value to port=80
4) Save file.
5) Stop your Tomc...
Why is UICollectionViewCell's outlet nil?
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edited Jan 8 '15 at 10:41
answered Aug 6 '14 at 17:42
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Double decimal formatting in Java
...lems formatting the decimals of a double. If I have a double value, e.g. 4.0, how do I format the decimals so that it's 4.00 instead?
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How should I call 3 functions in order to execute them one after the other?
...em asynchronously using the setTimeout function.
setTimeout(doSomething, 10);
setTimeout(doSomethingElse, 10);
setTimeout(doSomethingUsefulThisTime, 10);
This is, however, a bit ugly and violates the DRY principle[wikipedia]. We could clean this up a bit by creating a function that accepts an arr...