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Python matplotlib multiple bars

How to plot multiple bars in matplotlib, when I tried to call the bar function multiple times, they overlap and as seen the below figure the highest value red can be seen only. How can I plot the multiple bars with dates on the x-axes? ...
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Using module 'subprocess' with timeout

Here's the Python code to run an arbitrary command returning its stdout data, or raise an exception on non-zero exit codes: ...
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Is there any difference between a GUID and a UUID?

I see these 2 acronyms thrown around, and I was wondering if there are any differences between a GUID and a UUID? 6 Answers...
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What is N-Tier architecture?

I've seen quite a few developer job postings recently that include a sentence that reads more or less like this: "Must have experience with N-Tier architecture", or "Must be able to develop N-Tier apps". ...
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Rails extending ActiveRecord::Base

I've done some reading about how to extend ActiveRecord:Base class so my models would have some special methods. What is the easy way to extend it (step by step tutorial)? ...
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How do you switch pages in Xamarin.Forms?

How do you switch between pages in Xamarin Forms? 13 Answers 13 ...
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How to detect online/offline event cross-browser?

I'm trying to accurately detect when the browser goes offline, using the HTML5 online and offline events. 14 Answers ...
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How do I turn off Oracle password expiration?

I'm using Oracle for development. The password for a bootstrap account that I always use to rebuild my database has expired. ...
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How do I parse a string with a decimal point to a double?

I want to parse a string like "3.5" to a double. However, 18 Answers 18 ...
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Calc of max, or max of calc in CSS

Is it possible to do something like this 7 Answers 7 ...