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Powershell equivalent of bash ampersand (&) for forking/running background processes

In bash the ampersand (&) can be used to run a command in the background and return interactive control to the user before the command has finished running. Is there an equivalent method of doing this in Powershell? ...
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What does “S3 methods” mean in R?

Since I am fairly new to R, I do not know what the S3 methods and objects are. I found that there are S3 and S4 object systems, and some recommend to use S3 over S4 if possible (See Google's R Style Guide at http://google-styleguide.googlecode.com/svn/trunk/google-r-style.html )*. However, I do not...
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What is the “FS”/“GS” register intended for?

So I know what the following registers and their uses are supposed to be: 5 Answers 5 ...
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Ruby regular expression using variable name

Is is possible to create/use a regular expression pattern in ruby that is based on the value of a variable name? 5 Answers ...
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What is __init__.py for?

What is __init__.py for in a Python source directory? 12 Answers 12 ...
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lsof survival guide [closed]

lsof is an increadibly powerful command-line utility for unix systems. It lists open files, displaying information about them. And since most everything is a file on unix systems, lsof can give sysadmins a ton of useful diagnostic data. ...
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How can I use threading in Python?

I am trying to understand threading in Python. I've looked at the documentation and examples, but quite frankly, many examples are overly sophisticated and I'm having trouble understanding them. ...
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How do I get the coordinates of a mouse click on a canvas element?

What's the simplest way to add a click event handler to a canvas element that will return the x and y coordinates of the click (relative to the canvas element)? ...
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Difference between Statement and PreparedStatement

The Prepared Statement is a slightly more powerful version of a Statement, and should always be at least as quick and easy to handle as a Statement. The Prepared Statement may be parametrized ...
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Why do stacks typically grow downwards?

I know that in the architectures I'm personally familiar with (x86, 6502, etc), the stack typically grows downwards (i.e. every item pushed onto the stack results in a decremented SP, not an incremented one). ...