Monthly Archives: May 2010

How many non-transitive complete ordering of n elements are there that satisfy the condition that each element is greater than (n-1)/2 other elements and each element is lesser than (n-1)/2 other elements. In other words, how many “rock-paper-scissors” games are there for n elements?

(You): How many non-transitive complete ordering of n elements are there that satisfy the condition that each element is greater than (n-1)/2 other elements and each element is lesser than (n-1)/2 other elements. In other words, how many “rock-paper-scissors” games … Continue reading

Posted in Barry After Vark | Leave a comment

On audacity, when I look at the left channel (for example), I see a light blue line and a dark blue line. What do these mean? I thought single channel audio was defined by an amplitude at a given point in time?

(You): On audacity, when I look at the left channel (for example), I see a light blue line and a dark blue line. What do these mean? I thought single channel audio was defined by an amplitude at a given … Continue reading

Posted in Barry After Vark | Leave a comment

In Fedora 11, what’s the difference between the “audacity” and “audacity-freeworld” packages? Yum tells me I can only install one of these.

(You): In Fedora 11, what’s the difference between the “audacity” and “audacity-freeworld” packages? Yum tells me I can only install one of these. (David): If you do “yum info audacity-freeworld” you will see that that version includes support for mp3 … Continue reading

Posted in Barry After Vark | Leave a comment

If someone plays a MMORPG and feels a sense of accomplishment whenever they ‘level’, is this a sign of mental problems?

(You): If someone plays a MMORPG and feels a sense of accomplishment whenever they ‘level’, is this a sign of mental problems? (Alejandro): I wouldnt think so as long as they can also achieve this feeling by partaking in regular … Continue reading

Posted in Barry After Vark | Leave a comment

Is audacity scriptable? [ignore this: vark requires a minimum question length]

(You): Is audacity scriptable? [ignore this: vark requires a minimum question length] (Jay): You can create what are called ‘chains’ to run a specific sequence of actions on a file, or a group of files (batch processing). Does that help? … Continue reading

Posted in Barry After Vark | Leave a comment

What Unix software takes as input a picture of my electric meter (analog) and then reads the numbers and spits out the reading as output?

(You): What Unix software takes as input a picture of my electric meter (analog) and then reads the numbers and spits out the reading as output? (Thong): Try this? http://labs.moto.com/android-meets-energy/ ———————- (Dominique): Unless I’m misunderstanding your situation, that sounds like … Continue reading

Posted in Barry After Vark | Leave a comment

I want to host a blog on multiple redundant sites so that a change/comment made on one site automatically propagates to all other sites. What Unix software does this?

(You): I want to host a blog on multiple redundant sites so that a change/comment made on one site automatically propagates to all other sites. What Unix software does this? (Abd Allah): It is not a program feature, you should … Continue reading

Posted in Barry After Vark | Leave a comment

In Linux, when a process’ parent dies, it becomes a child of PID 1. How do I find all the children of PID 1 easily. I realize I can’t kill them all, but I want to look over them and kill the ones that are running pointlessly.

(You): In Linux, when a process’ parent dies, it becomes a child of PID 1. How do I find all the children of PID 1 easily. I realize I can’t kill them all, but I want to look over them … Continue reading

Posted in Barry After Vark | Leave a comment

Can I redefine an existing Perl function in Perl?

(You): Can I redefine an existing Perl function in Perl? (Jack): Sure you can. Just create a function and put the origional one inside it (You): no that’s going the other way. I don’t want an alias for an existing … Continue reading

Posted in Barry After Vark | Leave a comment

Some of my MP3s are loud, while others are soft. What Linux program can I use to normalize an MP3’s volume? I tried mp3gain, but it worked very poorly.

(You): Some of my MP3s are loud, while others are soft. What Linux program can I use to normalize an MP3’s volume? I tried mp3gain, but it worked very poorly. (Joel): you could try audacity. http://wiki.audacityteam.org/index.php?title=Amplify_and_Normalize (Joel): http://audacity.sourceforge.net/ ———————- (James): … Continue reading

Posted in Barry After Vark | Leave a comment