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Removing duplicates in lists
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10
I think this is the only way to keep the items in order.
– Herberth Amaral
Oct 22 '12 at 20:23
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What does “coalgebra” mean in the context of programming?
... all elements in the list:
foldr (+) 0 [1, 2, 3, 4] -> 1 + 2 + 3 + 4 = 10
It is possible to generalize such operation on any recursive datatype.
The following is a signature of foldr function:
foldr :: ((a -> b -> b), b) -> [a] -> b
Note that I have used braces to separate firs...
Ruby on Rails: How do I add a not null constraint to an existing column using a migration?
...'s comment?
– Mark
Dec 28 '17 at 16:10
@Mark I was talking about the answer, sorry for not being specific enough.
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How can I sort a dictionary by key?
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answered Jan 25 '12 at 10:56
NPENPE
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Differences between C++ string == and compare()?
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answered Feb 6 '12 at 10:48
Frédéric HamidiFrédéric Hamidi
232k3737 gold badges445445 silver badges455455 bronze badges
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What's the difference between and
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104
<?> and <? extends Object> are synonymous, as you'd expect.
There are a few cases...
The opposite of Intersect()
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answered Apr 11 '11 at 10:56
Øyvind BråthenØyvind Bråthen
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Is it possible to deserialize XML into List?
...uestion wanted.
– Jon Kragh
Jul 26 '10 at 16:38
What if I had two lists under UserList above? I tried your method and ...
What is a higher kinded type in Scala?
... proper first-order higher-order
values 10 (x: Int) => x (f: (Int => Int)) => f(10)
types (classes) String List Functor
types String ({type λ[x] = x})#λ ({type λ[F[x]] = F[String]})#λ
Where the u...
I lose my data when the container exits
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So I should use commit after each run to preserve data.
– iman
Oct 25 '13 at 10:53
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