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How to extract the decision rules from scikit-learn decision-tree?
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I believe that this answer is more correct than the other answers here:
from sklearn.tree import _tree
def tree_to_code(tree, feature_names):
tree_ = tree.tree_
feature_name = [
feature_names[i] if i != _tree.TREE_UNDEFINED else "undefin...
Node: log in a file instead of the console
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Due to a recent change, you can't call stderr.pipe() anymore - it takes this now: process.__defineGetter__('stderr', function() { return fs.createWriteStream(__dirname + '/error.log', {flags:'a'}) })
– damianb
Feb 23 '13 at 17:35
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How to check if element is visible after scrolling?
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436
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ViewPager with previous and next page boundaries
...irection, using a custom container that disabled children clipping to show more than one page at a time.
His published sample code shows the whole thing in action. His container (com.example.pagercontainer.PagerContainer) wraps the ViewPager and calls setClipChildren(false); on itself, so even thoug...
What is the id( ) function used for?
...." (Python Standard Library - Built-in Functions) A unique number. Nothing more, and nothing less. Think of it as a social-security number or employee id number for Python objects.
Is it the same with memory addresses in C?
Conceptually, yes, in that they are both guaranteed to be unique in t...
Java 8 Lambda function that throws exception?
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An even more generic way to do it is to define the checked function like this @FunctionalInterface public interface CheckedFunction<T, R, E extends Exception> { R apply(T t) throws E; } In that way you can also define whi...
Error Domain=NSURLErrorDomain Code=-1005 “The network connection was lost.”
... keeps this connection to re-use later (as it should), but it keeps it for more than the timeout parameter of the Keep-Alive header (it seems to always keep the connection alive for 30 seconds.)
Then when a second request is sent by the app less than 30 seconds later, it tries to re-use a connection...
Circle-Rectangle collision detection (intersection)
... @paniq: Well, both are constant-time. :-) But yes, this is more useful as a general solution, covering rectangles with any orientation, and in fact any simple polygon.
– ShreevatsaR
Jul 10 '11 at 10:31
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Convert a PHP script into a stand-alone windows executable
... technologies such as PHP, HTML5, JavaScript & SQLite. This project is more than just a PHP to EXE compiler, it embeds a web-browser (Internet Explorer or Chrome embedded), a Mongoose web-server and a PHP interpreter. The development workflow you are used to remains the same, the step of turning...