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How to remove all rows in a numpy.ndarray that contain non-numeric values
Basically, 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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Ruby combining an array into one string
In Ruby is there a way to combine all array elements into one string?
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How to write UPDATE SQL with Table alias in SQL Server 2008?
I have a very basic UPDATE SQL -
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Which is the first integer that an IEEE 754 float is incapable of representing exactly?
For clarity, if I'm using a language that implements IEE 754 floats and I declare:
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Difference between git pull and git pull --rebase
I started using git sometime back and do not fully understand the intricacies. My basic question here is to find out the difference between a git pull and git pull --rebase , since adding the --rebase option does not seem to do something very different : just does a pull.
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Node.JS constant for platform-specific new line?
Is there a constant available in Node.JS for a newline character that is specific to the platform the application is running on?
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Comma separator for numbers in R?
Is there a function in R to display large numbers separated with commas?
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How to open emacs inside bash
I'm using Ubuntu 11.10. When I type command "emacs" in terminal, it opens emacs as a seperate window. How can I open it inside the terminal, like nano editor?
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Difference between this and self in self-type annotations?
In various Scala literature I see some self-type annotations using "this" and others using "self":
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Open an IO stream from a local file or url
I know there are libs in other languages that can take a string that contains either a path to a local file or a url and open it as a readable IO stream.
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