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[] and {} vs list() and dict(), which is better?

I understand that they are both essentially the same thing, but in terms of style, which is the better (more Pythonic) one to use to create an empty list or dict? ...
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How do I round to the nearest 0.5?

I have to display ratings and for that i need increments as follows: 9 Answers 9 ...
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Array.Copy vs Buffer.BlockCopy

Array.Copy and Buffer.BlockCopy both do the same thing, but BlockCopy is aimed at fast byte-level primitive array copying, whereas Copy is the general-purpose implementation. My question is - under what circumstances should you use BlockCopy ? Should you use it at any time when you are copyi...
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Sort array of objects by single key with date value

I have an array of objects with several key value pairs, and I need to sort them based on 'updated_at': 19 Answers ...
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Find which version of package is installed with pip

Using pip, is it possible to figure out which version of a package is currently installed? 15 Answers ...
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Too many 'if' statements?

The following code does work how I need it to, but it's ugly, excessive or a number of other things. I've looked at formulas and attempted to write a few solutions, but I end up with a similar amount of statements. ...
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How to change line width in ggplot?

Datalink: the data used 5 Answers 5 ...
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How to run a background task in a servlet based web application?

I'm using Java and I want to keep a servlet continuously running in my application, but I'm not getting how to do it. My servlet has a method which gives counts of the user from a database on a daily basis as well as the total count of the users from the whole database. So I want to keep the servlet...
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How do I get time of a Python program's execution?

I have a command line program in Python that takes a while to finish. I want to know the exact time it takes to finish running. ...
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Adding an arbitrary line to a matplotlib plot in ipython notebook

I'm rather new to both python/matplotlib and using it through the ipython notebook. I'm trying to add some annotation lines to an existing graph and I can't figure out how to render the lines on a graph. So, for example, if I plot the following: ...