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pull out p-values and r-squared from a linear regression

...mmary object summary(fit)$r.squared. See names(summary(fit)) for a list of all the items you can extract directly. Model p-value: If you want to obtain the p-value of the overall regression model, this blog post outlines a function to return the p-value: lmp <- function (modelobject) { if ...
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Why not infer template parameter from constructor?

... This is actually a great point which I never considered. I don't see any way around the fact that the pointer would have to be type specific (i.e. it would have to be MyClass<string>* pm). If that's the case, then all you would end...
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How can I see the size of a GitHub repository before cloning it?

...erty named size is valued with the size of the whole repository (including all of its history), in kilobytes. For instance, the Git repository weights around 124 MB. The size property of the returned JSON payload is valued to 124283. Update The size is indeed expressed in kilobytes based on the d...
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How do I create ColorStateList programmatically?

I am trying to create a ColorStateList programatically using this: 8 Answers 8 ...
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React.js - input losing focus when rerendering

I am just writing to text input and in onChange event i call setState , so React rerenders my UI. The problem is that the text input always lose a focus, so i need focus it again for each letter :D. ...
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Insert an element at a specific index in a list and return the updated list

... l.insert(index, obj) doesn't actually return anything. It just updates the list. As ATO said, you can do b = a[:index] + [obj] + a[index:]. However, another way is: a = [1, 2, 4] b = a[:] b.insert(2, 3) ...
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Create numpy matrix filled with NaNs

...r operations in numpy. You can create an uninitialized array and assign to all entries at once: >>> a = numpy.empty((3,3,)) >>> a[:] = numpy.nan >>> a array([[ NaN, NaN, NaN], [ NaN, NaN, NaN], [ NaN, NaN, NaN]]) I have timed the alternatives a[:] ...
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When would I need a SecureString in .NET?

...-securestring . We should remove encryption from SecureString across all platforms in .NET Core - We should obsolete SecureString - We probably shouldn't expose SecureString in .NET Core share | ...
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Download single files from GitHub

...does not support downloading parts of the repository. You have to download all of it. But you should be able to do this with GitHub. When you view a file it has a link to the "raw" version. The URL is constructed like so https://raw.githubusercontent.com/user/repository/branch/filename By fillin...
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Is there a quicker / better way to clear the iPhone Simulator cache than deleting its directory?

...a, or the contents of the iPhone Simulator directory, to get things to actually execute from my code. Clean in Xcode doesn't do the same as emptying those directories, right? And if not, is there an easier way to do it than lugging Finder around to get to them, and clearing them? ...