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Standard deviation of a list

I want to find mean and standard deviation of 1st, 2nd,... digits of several (Z) lists. For example, I have 8 Answers ...
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Is there a way for multiple processes to share a listening socket?

In socket programming, you create a listening socket and then for each client that connects, you get a normal stream socket that you can use to handle the client's request. The OS manages the queue of incoming connections behind the scenes. ...
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Repairing Postgresql after upgrading to OSX 10.7 Lion

I recently upgraded to OSX 10.7, at which point my rails installation completely borked when trying to connect to the psql server. When I do it from the command line using ...
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console.writeline and System.out.println

What exactly is the technical difference between console.writeline and System.out.println ? I know that System.out.println writes to standard output but is this not the same thing as the console? ...
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Format numbers in django templates

I'm trying to format numbers. Examples: 13 Answers 13 ...
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Convert Year/Month/Day to Day of Year in Python

I'm using the Python datetime module, i.e.: 7 Answers 7 ...
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Difference Between ViewData and TempData?

I know what ViewData is and use it all the time, but in ASP.NET Preview 5 they introduced something new called TempData. 6...
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Changing password with Oracle SQL Developer

Many of my users do not use SQLPlus. I cannot give them alter user. We expire passwords every 60 days. 14 Answers ...
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Why do assignment statements return a value?

This is allowed: 14 Answers 14 ...
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What is the difference between HTML tags and ?

I would like to ask for some simple examples showing the uses of <div> and <span> . I've seen them both used to mark a section of a page with an id or class , but I'm interested in knowing if there are times when one is preferred over the other. ...