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Algorithm for Determining Tic Tac Toe Game Over

I've written a game of tic-tac-toe in Java, and my current method of determining the end of the game accounts for the following possible scenarios for the game being over: ...
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How to check whether a pandas DataFrame is empty?

How to check whether a pandas DataFrame is empty? In my case I want to print some message in terminal if the DataFrame is empty. ...
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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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Converting numpy dtypes to native python types

...) pyval = val.item() print(type(pyval)) # <class 'float'> # and similar... type(np.float64(0).item()) # <class 'float'> type(np.uint32(0).item()) # <class 'long'> type(np.int16(0).item()) # <class 'int'> type(np.cfloat(0).item()) # <class 'complex'> type(np...
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How to determine if a list of polygon points are in clockwise order?

...gth (x2-x1). Notice the sign convention in x. Try this with some triangles and you'll soon see how it works. – Beta Jul 27 '09 at 14:20 75 ...
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Is there a float input type in HTML5?

...g to html5.org , the "number" input type's "value attribute, if specified and not empty, must have a value that is a valid floating point number." ...
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How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops

How can I use regular expressions in Excel and take advantage of Excel's powerful grid-like setup for data manipulation? 9 ...
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How do I tell Maven to use the latest version of a dependency?

... NOTE: This answer applies to Maven 2 only! The mentioned LATEST and RELEASE metaversions have been dropped in Maven 3 "for the sake of reproducible builds", over 6 years ago. Please refer to this Maven 3 compliant solution. If you always want to use the newest version, Maven has two k...
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Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space

...would be [\W_] text.replace(/[\W_]+/g," "); \W is the negation of shorthand \w for [A-Za-z0-9_] word characters (including the underscore) Example at regex101.com share | improve this answer ...
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How dangerous is it to compare floating point values?

... First of all, floating point values are not "random" in their behavior. Exact comparison can and does make sense in plenty of real-world usages. But if you're going to use floating point you need to be aware of how it works. Erring on the side of assuming floating point ...