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R programming: How do I get Euler's number?

For example, how would I go about entering the value e^2 in R? 3 Answers 3 ...
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Select DISTINCT individual columns in django?

I'm curious if there's any way to do a query in Django that's not a " SELECT * FROM... " underneath. I'm trying to do a " SELECT DISTINCT columnName FROM ... " instead. ...
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Make fill entire screen?

I'm using a radial gradient as the background on my webpage, like so: 9 Answers 9 ...
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How to modify Github pull request?

I've opened a pull request to a project. The maintainer has decided to accept it, but told me to modify some contents. 4 A...
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NUnit isn't running Visual Studio 2010 code

I'm trying to load a Visual Studio 2010 beta dll into the NUnit GUI. I get a popup error. 10 Answers ...
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Using jQuery how to get click coordinates on the target element

I have the following event handler for my html element 6 Answers 6 ...
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Is explicitly closing files important?

In Python, if you either open a file without calling close() , or close the file but not using try - finally or the " with " statement, is this a problem? Or does it suffice as a coding practice to rely on the Python garbage-collection to close all files? For example, if one does this: ...
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iOS: Use a boolean in NSUserDefaults

When the rootViewController of my application is loaded, I want to be able to check whether or not the users login credentials have been saved to NSUserDefaults . ...
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Python, add trailing slash to directory string, os independently

How can I add a trailing slash ( / for *nix, \ for win32) to a directory string, if the tailing slash is not already there? Thanks! ...
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Elegant method to generate array of random dates within two dates

I have a datepicker where I show two months and I want to randomly choose 3 dates in each visible month 4 Answers ...