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Scala: Nil vs List()

In Scala, is there any difference at all between Nil and List() ? 3 Answers 3 ...
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How to get a vertical geom_vline to an x-axis of class date?

Even though I found Hadley's post in the google group on POSIXct and geom_vline , I could not get it done. I have a time series from and would like to draw a vertical line for years 1998, 2005 and 2010 for example. I tried with ggplot and qplot syntax, but still I either see no vertical line ...
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How do I draw a grid onto a plot in Python?

I just finished writing code to make a plot using pylab in Python and now I would like to superimpose a grid of 10x10 onto the scatter plot. How do I do that? ...
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Renaming columns in pandas

I have a DataFrame using pandas and column labels that I need to edit to replace the original column labels. 27 Answers ...
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Matplotlib different size subplots

... as wide as the second (same height). I accomplished this using GridSpec and the colspan argument but I would like to do this using figure so I can save to PDF. I can adjust the first figure using the figsize argument in the constructor, but how do I change the size of the second plot? ...
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How do I enumerate through a JObject?

I'm trying to determine how to access the data that is in my JObject and I can't for the life of me determine how to use it. ...
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LINQ Using Max() to select a single row

I'm using LINQ on an IQueryable returned from NHibernate and I need to select the row with the maximum value(s) in a couple of fields. ...
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Chmod recursively

I have an archive, which is archived by someone else, and I want to automatically, after I download it, to change a branch of the file system within the extracted files to gain read access. (I can't change how archive is created). ...
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Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)

...vior you're trying to control is marked virtual. In your comment, I understand it so that the instantiating of _mockArticleDao is done something like this: _mockArticleDao = new Mock<ArticleDAO>(); If you want to keep it as so, you need to mark the GetArticle method virtual: public class A...
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What is the syntax to insert one list into another list in python?

... x.extend(y) is in place, x+y is returning new list. And x += y, which was not mentioned here, is similar to the extend. – wim Jul 22 '18 at 16:18 ...