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pandas GroupBy columns with NaN (missing) values

...s far result in potentially dangerous behavior as it is quite possible you select a dummy value that is actually part of the dataset. This is increasingly likely as you create groups with many attributes. Simply put, the approach doesn't always generalize well. A less hacky solve is to use pd.drop_...
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Break when exception is thrown

...ttern matchers for exception names. Also, under Window -> Preferences, Select Java -> Debug and there's a checkbox to tell the debugger to break on uncaught exceptions share | improve this an...
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What is the difference between jQuery: text() and html() ?

... to be a real benchmark between text() and html() the selector should be done or getElementById or $("#work") in all cases or you will be benchmarking also the $("#work") vs getElementById – Octavioamu Jan 25 '19 at 15:08 ...
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Can I hide the HTML5 number input’s spin box?

...you can just use display: none; as the only thing inside the selector – philfreo Sep 11 '12 at 18:19 ...
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How do you default a new class to public when creating it in Visual Studio?

When I right click in the Solution of a C# Visual Studio project and select Add... > Class... it creates a class without a public modifier. How do I get Visual Studio (2008) to default the class to a public class? ...
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Printing Lists as Tabular Data

...as options to read data from csv, html, sql database. Also you are able to select subset of data, sort table and change table styles. 3. texttable: https://pypi.python.org/pypi/texttable from texttable import Texttable t = Texttable() t.add_rows([['Name', 'Age'], ['Alice', 24], ['Bob', 19]]) print...
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How do I pick randomly from an array?

... side note, is it proper to change the "correct answer" after I have first selected another answer? – Paul Hoffer Aug 15 '10 at 1:16 1 ...
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How should I store GUID in MySQL tables?

...above and when I convert them back using the same methods the guid that is selected is not the one that was inserted. What is transforming the guid? All I've done is copied the code from above. – vsdev Dec 17 '15 at 14:53 ...
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How to apply CSS to iframe?

... @jmalais Just replace #iframe with #<id> or even iframe to select all iframes – Zeb McCorkle Aug 13 '14 at 19:01 3 ...
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What is the idiomatic Go equivalent of C's ternary operator?

... on the condition, we have access to its methods. Methods that receive and select from the operands. So