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git rebase fatal: Needed a single revision

I have a branch of a public repository and I am trying to update my branch with the current commits from the original repository: ...
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How to remove all rows in a numpy.ndarray that contain non-numeric values

...lly, I'm doing some data analysis. I read in a dataset as a numpy.ndarray and some of the values are missing (either by just not being there, being NaN , or by being a string written " NA "). ...
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How can i get the session object if i have the entity-manager

...yManagerImpl) em.getDelegate()).getSession(); I agree, that's horrible, and the spec is to blame here (not clear enough). JPA 2.0 With JPA 2.0, there is a new (and much better) EntityManager#unwrap(Class<T>) method that is to be preferred over EntityManager#getDelegate() for new applicati...
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Thread Safety in Python's dictionary

...de should be safe. Keep in mind: a lock here will add almost no overhead, and will give you peace of mind. http://effbot.org/pyfaq/what-kinds-of-global-value-mutation-are-thread-safe.htm has more details. share |...
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What is the difference between assert, expect and should in Chai?

What is the difference between assert , expect and should , and when to use what? 2 Answers ...
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How do you use https / SSL on localhost?

...SSL Enabled = true” in the project properties window. See the steps and pictures at this code project. IIS Express will generate a certificate for you (you'll be prompted for it, etc.). Note that depending on configuration the site may still automatically start with the URL rather than the SS...
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Can I add comments to a pip requirements file?

...ust use # pip docs: A line that begins with # is treated as a comment and ignored. Whitespace followed by a # causes the # and the remainder of the line to be treated as a comment. share | imp...
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How do you downgrade rubygems?

...ve rubygems 1.3.1 installed but I want to go back to 1.2.0. What's the command to downgrade rubygems? 6 Answers ...
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How to call Makefile from another Makefile?

...rom another. I have two makefiles, one called /path/to/project/makefile and one called /path/to/project/gtest-1.4.0/make/Makefile . I'm attempting to have the former call the latter. In /path/to/project/makefile, I have ...
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How can I tell AngularJS to “refresh”

...ad of using the "ng-click" attribute, I am using a jQuery.click() listener and calling a function inside my scope like so: ...