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Convert data.frame column format from character to factor
I would like to change the format (class) of some columns of my data.frame object ( mydf ) from charactor to factor .
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“git diff” does nothing
I presume this is a configuration error somewhere, but I can't figure out where. Regular git commands appear to work fine, but "git diff" does nothing. To be safe, I removed external diff tools from my .gitconfig file. This was installed via MacPorts and is the lates version (1.7.2.2).
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Why is Java's AbstractList's removeRange() method protected?
Does anyone have any idea, why removeRange method in AbstractList (and also in ArrayList ) is protected ? It looks like a quite well-defined and useful operation, but still, to use it, we're forced to subclass the List implementation.
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Cherry pick using TortoiseGit
How do I run the cherry pick command using TortoiseGit UI?
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Failed to instantiate module [$injector:unpr] Unknown provider: $routeProvider
I received this error upon upgrading from AngularJS 1.0.7 to 1.2.0rc1 .
3 Answers
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What happens if you call erase() on a map element while iterating from begin to end?
In the following code I loop through a map and test if an element needs to be erased. Is it safe to erase the element and keep iterating or do I need to collect the keys in another container and do a second loop to call the erase()?
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Determine direct shared object dependencies of a Linux binary?
How can I easily find out the direct shared object dependencies of a Linux binary in ELF format?
4 Answers
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Ideal Ruby project structure
I'm after an overview/clarification of the ideal project structure for a ruby (non-rails/merb/etc) project. I'm guessing it follows
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Is it possible to group projects in Eclipse?
Is it possible to group projects in Eclipse? Or maybe have a project with sub-projects?
6 Answers
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