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How to use a variable to specify column name in ggplot

I have a ggplot command 6 Answers 6 ...
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String formatting: % vs. .format vs. string literal

Python 2.6 introduced the str.format() method with a slightly different syntax from the existing % operator. Which is better and for what situations? ...
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Delete all local git branches

I follow a development process where I create a new local branch for every new feature or story card. When finished I merge the branch into master and then push. ...
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Why should casting be avoided? [closed]

I generally avoid casting types as much as possible since I am under the impression that it's poor coding practice and may incur a performance penalty. ...
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MongoDB mongorestore failure: locale::facet::_S_create_c_locale name not valid

I created a dump with mongodump on computer A (ubuntu 12.04 server). I moved it to computer B (ubuntu 12.04 server) and typed: ...
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What vim plugins are available for Eclipse? [closed]

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What is the best way to detect a mobile device?

Is there a way to detect whether or not a user is using a mobile device in jQuery? Something similar to the CSS @media attribute? I would like to run a different script if the browser is on a handheld device. ...
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How do I specify a password to 'psql' non-interactively?

I am trying to automate database creation process with a shell script and one thing I've hit a road block with passing a password to psql . Here is a bit of code from the shell script: ...
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Get an object properties list in Objective-C

How can I get a list (in the form of an NSArray or NSDictionary ) of a given object properties in Objective-C? 13 Answ...
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Batch: Remove file extension

I have the following batch script from Wikipedia: 7 Answers 7 ...