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Understanding __get__ and __set__ and Python descriptors

I am trying to understand what Python's descriptors are and what they are useful for. I understand how they work, but here are my doubts. Consider the following code: ...
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How can I check if a directory exists in a Bash shell script?

What command can be used to check if a directory exists or not, within a Bash shell script? 35 Answers ...
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Differences between C++ string == and compare()?

I just read some recommendations on using 9 Answers 9 ...
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Converting from IEnumerable to List [duplicate]

I want to convert from IEnumerable<Contact> to List<Contact> . How can I do this? 5 Answers ...
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New line in text area

I tried both but new line is not reflecting while rendering the html file. How can I do that? 12 Answers ...
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LINQ to Entities case sensitive comparison

This isn't a case-sensitive comparison in LINQ to Entities: 8 Answers 8 ...
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Taskkill /f doesn't kill a process

When I start up an Experimental instance of VS from VS for debugging and stop debugging (sometimes directly from the parent VS), a zombile devenv.exe process remains running which I am unable to kill. It holds on to many of my dlls. ...
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Windows: How to specify multiline command on command prompt?

how do we extend a command to next line? 4 Answers 4 ...
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How to change plot background color?

I am making a scatter plot in matplotlib and need to change the background of the actual plot to black. I know how to change the face color of the plot using: ...
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Only read selected columns

Can anyone please tell me how to read only the first 6 months (7 columns) for each year of the data below, for example by using read.table() ? ...