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Combine --user with --prefix error with setup.py install

...me workaround: pip install --user --install-option="--prefix=" <package_name> or python setup.py install --user --prefix= Note that there is no text (not even whitespace) after the =. Do not forget the --user flag. Installing multiple packages: Create ~/.pydistutils.cfg (or equivalent...
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What does .SD stand for in data.table in R

.SD looks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it? ...
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Performance of foreach, array_map with lambda and array_map with static function

... } return $result; } function useMapClosure($numbers) { return array_map(function($number) { return $number * 10; }, $numbers); } function _tenTimes($number) { return $number * 10; } function useMapNamed($numbers) { return array_map('_tenTimes', $numbers); } foreach (array('F...
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Node.js: printing to console without a trailing newline?

...ered May 27 '11 at 20:51 onteria_onteria_ 57.1k66 gold badges6363 silver badges6060 bronze badges ...
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How to get all count of mongoose model?

...if you are using promise or userModel.count({}); // if you want to get all counts irrespective of the fields On the recent version of mongoose, count() is deprecated so use userModel.countDocuments({name: "sam"}); s...
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jquery variable syntax [duplicate]

... 2; alert($ + $$); jQuery just assigns it's core function to a variable called $. The code you have assigns this to a local variable called self and the results of calling jQuery with this as an argument to a global variable called $self. It's ugly, dirty, confusing, but $, self and $self are all...
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Xcode 'Build and Archive' menu item disabled

... All you need to do is create an Executable File in your project folder... If you start with a fresh project there are NO executable projects, only what you create, be it a .cpp or a .m you need an executable in the folder. ...
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How to use setInterval and clearInterval?

Hi all, 5 Answers 5 ...
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jQuery .on function for future elements, as .live is deprecated [duplicate]

... click event of future <div> elements, that don't exist yet. Normally, I would use jQuery's .live function to handle this, but it seems that it is now deprecated in favor of .on . ...
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nginx error “conflicting server name” ignored [closed]

... can you clarify? I don't see any "default~" files at all in my /etc/nginx/sites-enabled only the "default" folder. – David Saintloth Jan 10 '14 at 5:27 ...