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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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Comma separator for numbers in R?

Is there a function in R to display large numbers separated with commas? 4 Answers 4 ...
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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: 2 Answers ...
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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? 3 Answers 3 ...
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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": 2 Answers ...
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How to write UPDATE SQL with Table alias in SQL Server 2008?

I have a very basic UPDATE SQL - 2 Answers 2 ...
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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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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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How do I apply a CSS class to Html.ActionLink in ASP.NET MVC?

I'm building an ASP.NET MVC application, using VB.NET and I'm trying to apply a css class to a Html.ActionLink using the code: ...
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Changing case in Vim

Is there a command in Vim that changes the case of the selected text? 2 Answers 2 ...