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Check if a folder exist in a directory and create them using C#

How can I check if directory C:/ contains a folder named MP_Upload , and if it does not exist, create the folder automatically? ...
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How to define a function in ghci across multiple lines?

I'm trying to define any simple function that spans multiple lines in ghci, take the following as an example: 7 Answers ...
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What does the double colon (::) mean in CSS?

What does the double colon ( :: ) mean in CSS? 3 Answers 3 ...
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How to test if list element exists?

... This is actually a bit trickier than you'd think. Since a list can actually (with some effort) contain NULL elements, it might not be enough to check is.null(foo$a). A more stringent test might be to check that the name is actually defined in the list: foo <- list(a...
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No “pull” in Git Gui?

How can I make a pull using Git GUI tool? It seems there is no pull command anywhere. 3 Answers ...
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Resizing UITableView to fit content

I am creating an app which will have a question in a UILabel and a multiple choice answers displayed in UITableView , each row showing a multiple choice. Questions and answers will vary, so I need this UITableView to be dynamic in height. ...
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Concatenating string and integer in python

In python say you have 7 Answers 7 ...
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How to get the first line of a file in a bash script?

I have to put in a bash variable the first line of a file. I guess it is with the grep command, but it is any way to restrict the number of lines? ...
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Linq to Objects: does GroupBy preserve order of elements?

Does Enumerable.GroupBy from LINQ to Objects preserve order of elements in the groups? 1 Answer ...
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Reorder bars in geom_bar ggplot2

I am trying to make a bar-plot where the plot is ordered from the miRNA with the highest value to the miRNA with the lowest. Why does my code not work? ...