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How do I check if there are duplicates in a flat list?
For example, given the list ['one', 'two', 'one'] , the algorithm should return True , whereas given ['one', 'two', 'three'] it should return False .
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Appending an element to the end of a list in Scala
I can't add an element of type T into a list List[T] .
I tried with myList ::= myElement but it seems it creates a strange object and accessing to myList.last always returns the first element that was put inside the list. How can I solve this problem?
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What's the difference between `1L` and `1`?
I often seen the symbol 1L (or 2L , 3L , etc) appear in R code. Whats the difference between 1L and 1 ? 1==1L evaluates to TRUE . Why is 1L used in R code?
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Map function in MATLAB?
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edited Apr 10 '18 at 15:05
answered Jun 11 '09 at 19:48
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How can I use grep to show just filenames on Linux?
How can I use grep to show just file-names (no in-line matches) on Linux?
4 Answers
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我说那么多，我只是想从业务上告诉大家...
Extract elements of list at odd positions
So I want to create a list which is a sublist of some existing list.
5 Answers
5
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Emulate ggplot2 default color palette
...e 0 == 360
– hadley
Nov 20 '11 at 6:05
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Hibernate Criteria returns children multiple times with FetchType.EAGER
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answered Apr 7 '14 at 15:05
mathimathi
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