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How are feature_importances in RandomForestClassifier determined?

......). It is sometimes called "gini importance" or "mean decrease impurity" and is defined as the total decrease in node impurity (weighted by the probability of reaching that node (which is approximated by the proportion of samples reaching that node)) averaged over all trees of the ensemble. In th...
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What's the difference between window.location= and window.location.replace()?

...n item to your history in that you can (or should be able to) click "Back" and go back to the current page. window.location.replace replaces the current history item so you can't go back to it. See window.location: assign(url): Load the document at the provided URL. replace(url):Replace...
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An error occurred while validating. HRESULT = '8000000A'

...evenv on an automatic build. I have gone through every website I can find, and the usual answers mention refreshing dependencies (Which I believe fixes it for manual deployment, but not for automatic) and removing the source control coding from the projects, which hasn't helped me. ...
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In what order are Panels the most efficient in terms of render time and performance?

... I think it is more concise and understandable to describe the performance characteristics of each panel than it is to try to give an absolute relative performance comparison. WPF makes two passes when rendering content: Measure and Arrange. Each pane...
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How to check if character is a letter in Javascript?

... You can still use a regex and just add more detail as you need it: str.match(/[A-Z|a-z|ü|é]/i); //etc – Eli Jun 22 '15 at 21:54 ...
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Changing the color of the axis, ticks and labels for a plot in matplotlib

I'd like to Change the color of the axis, as well as ticks and value-labels for a plot I did using matplotlib an PyQt. 3 An...
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What is “:-!!” in C code?

... effect, a way to check whether the expression e can be evaluated to be 0, and if not, to fail the build. The macro is somewhat misnamed; it should be something more like BUILD_BUG_OR_ZERO, rather than ...ON_ZERO. (There have been occasional discussions about whether this is a confusing name.) You...
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Better way to set distance between flexbox items

...inimal distance between flexbox items I'm using margin: 0 5px on .item and margin: 0 -5px on container. For me it seems like a hack, but I can't find any better way to do this. ...
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What are the ways to make an html link open a folder

...licking a link inside a web page. The path of the folder is on the network and can be accessed from everywhere. I'm probably sure there is no easy way to do this, but maybe I'm mistaken? ...
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What is a StoryBoard ID and how can i use this?

i'm new to IOS developing and recently started in Xcode 4.5. I saw for every viewController that i could set some identity variables including the storyboard ID. What is this and how can i use it? ...