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How can I plot separate Pandas DataFrames as subplots?

I have a few Pandas DataFrames sharing the same value scale, but having different columns and indices. When invoking df.plot() , I get separate plot images. what I really want is to have them all in the same plot as subplots, but I'm unfortunately failing to come up with a solution to how and would...
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What's the difference between equal?, eql?, ===, and ==?

I am trying to understand the difference between these four methods. I know by default that == calls the method equal? which returns true when both operands refer to exactly the same object. ...
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User recognition without cookies or local storage

I'm building an analytic tool and I can currently get the user's IP address, browser and operating system from their user agent. ...
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onSaveInstanceState () and onRestoreInstanceState ()

I'm trying to save and restore the state of an Activity using the methods onSaveInstanceState() and onRestoreInstanceState() . ...
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List comprehension with if statement

I want to compare 2 iterables and print the items which appear in both iterables. 4 Answers ...
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How to write a switch statement in Ruby

How do I write a switch statement in Ruby? 24 Answers 24 ...
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Easier way to create circle div than using an image?

I'm wondering if there's an easier way to create circular divs than what I'm doing now. 14 Answers ...
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What can I use instead of the arrow operator, `->`?

What is the arrow operator ( -> ) a synonym for? 7 Answers 7 ...
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How to convert a string or integer to binary in Ruby?

How do you create integers 0..9 and math operators + - * / in to binary strings. For example: 6 Answers ...
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What does default(object); do in C#?

Googling is only coming up with the keyword, but I stumbled across some code that says 8 Answers ...