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C#/Linq: Apply a mapping function to each element in an IEnumerable?
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2 Answers
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:first-child not working as expected
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220
The h1:first-child selector means
Select the first child of its parent
if and only if it...
iOS: How does one animate to new autolayout constraint (height)
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edited Nov 27 '14 at 7:19
Kumar KL
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Get item in the list in Scala?
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Use parentheses:
data(2)
But you don't really want to do that with lists very often, since linked lists take time to traverse. If you want to index into a collection, use Vector (immutable) or ArrayBuffer (mutable) or possibly Array (which is j...
Insert image after each list item
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jimyijimyi
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What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
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What does the Q_OBJECT macro do? Why do all Qt objects need this macro?
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edited Apr 7 '16 at 20:48
Unslander Monica
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Scala: what is the best way to append an element to an Array?
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206
You can use :+ to append element to array and +: to prepend it:
0 +: array :+ 4
should prod...
When should I use the assets as opposed to raw resources in Android?
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answered Mar 5 '12 at 8:13
user370305user370305
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