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How many constructor arguments is too many?

...answered Sep 2 '08 at 19:08 toolkittoolkit 46.6k1717 gold badges101101 silver badges132132 bronze badges ...
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Naming returned columns in Pandas aggregate function? [duplicate]

...ta.groupby(...).agg(...) df.columns = df.columns.droplevel(0) If you'd like to keep the outermost level, you can use the ravel() function on the multi-level column to form new labels: df.columns = ["_".join(x) for x in df.columns.ravel()] For example: import pandas as pd import pandas.rpy.co...
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Semantic Diff Utilities [closed]

...rge utilities. The traditional paradigm of comparing source code files works by comparing lines and characters.. but are there any utilities out there (for any language) that actually consider the structure of code when comparing files? ...
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Why are exclamation marks used in Ruby methods?

In Ruby some methods have a question mark ( ? ) that ask a question like include? that ask if the object in question is included, this then returns a true/false. ...
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Can I add jars to maven 2 build classpath without installing them?

Maven2 is driving me crazy during the experimentation / quick and dirty mock-up phase of development. 24 Answers ...
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Can I convert a C# string value to an escaped string literal

...tring value to a string literal, the way I would see it in code? I would like to replace tabs, newlines, etc. with their escape sequences. ...
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ExecutorService that interrupts tasks after a timeout

I'm looking for an ExecutorService implementation that can be provided with a timeout. Tasks that are submitted to the ExecutorService are interrupted if they take longer than the timeout to run. Implementing such a beast isn't such a difficult task, but I'm wondering if anybody knows of an existi...
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How to clone an InputStream?

...ed array of bytes and open as many "cloned" ByteArrayInputStreams as you like. ByteArrayOutputStream baos = new ByteArrayOutputStream(); // Fake code simulating the copy // You can generally do better with nio if you need... // And please, unlike me, do something about the Exceptions :D byte[] buf...
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Why use jQuery on() instead of click()

Currently with jQuery when I need to do something when a Click occurs I will do it like this... 10 Answers ...
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Why does C++ rand() seem to generate only numbers of the same order of magnitude?

...31 times more numbers between 2^25 and 2^30 than between 1 and 2^25 :) thanks for the quick answer. I need to rethink the program then. Question answered. – Tallaron Mathias Jun 20 '13 at 9:35 ...