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How to get duplicate items from a list using LINQ? [duplicate]
...var duplicates = lst.GroupBy(s => s)
.SelectMany(grp => grp.Skip(1));
Note that this will return all duplicates, so if you only want to know which items are duplicated in the source list, you could apply Distinct to the resulting sequence or use the solution given by Mark Byers.
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How can I use map and receive an index as well in Scala?
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I believe you're looking for zipWithIndex?
scala> val ls = List("Mary", "had", "a", "littl...
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How to remove the last character from a string?
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Select N random elements from a List in C#
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Iterate through and for each element make the probability of selection = (number needed)/(numb...
Getting output of system() calls in Ruby
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How to change file encoding in NetBeans?
I want to change encoding of file in NetBeans IDE (ver 6.9.1), let's say from ANSII to UTF-8. How can I do that?
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