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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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What is “git remote add …” and “git push origin master”?

Quite often, Git and Rails looks like magic... such as in the first chapter of Rails 3 Tutorial book , it talks about Git: ...
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How can one print a size_t variable portably using the printf family?

... of type size_t , and I want to print it using printf() . What format specifier do I use to print it portably? 12 Answer...
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Linking R and Julia?

Julia looks very promising for fast and syntax-sane computation (e.g. here ), but I suspect it will not be anywhere near R in terms of overall statistics workflow for some time yet. So I'd like to use it where C++ is mainly used in R programs: to optimize slow portions of code. Before I invest th...
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Unexpected results when working with very big integers on interpreted languages

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Cross Browser Flash Detection in Javascript

Does anyone have an example of script that can work reliably well across IE/Firefox to detect if the browser is capable of displaying embedded flash content. I say reliably because I know its not possible 100% of the time. ...
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Registry Key '…' has value '1.7', but '1.6' is required. Java 1.7 is Installed and the Registry is P

My development team recently was forced over to a remote development environment where we do not have full access to the servers. Before the change over we had a JAR that was running fine on Java 1.7 x64 along with JRE 7. When we moved over to the new server our JAR was running alright, but then o...
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Use underscore inside Angular controllers

How do I use underscore library inside angularjs controllers? 6 Answers 6 ...
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How do I trim leading/trailing whitespace in a standard way?

Is there a clean, preferably standard method of trimming leading and trailing whitespace from a string in C? I'd roll my own, but I would think this is a common problem with an equally common solution. ...
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“f” after number

What does the f after the numbers indicate? Is this from C or Objective-C? Is there any difference in not adding this to a constant number? ...