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What does `:_*` (colon underscore star) do in Scala?
...Child - sequence
: - type ascription, a hint that helps compiler to understand, what type does that expression have
_* - placeholder accepting any value + vararg operator
child ++ newChild : _* expands Seq[Node] to Node* (tells the compiler that we're rather working with a varargs, than a sequence...
How can I convert String[] to ArrayList [duplicate]
I need to convert a String[] to an ArrayList<String> and I don't know how
6 Answers
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How can I change the color of a Google Maps marker?
...Google Maps API to build a map full of markers, but I want one marker to stand out from the others. The simplest thing to do, I think, would be to change the color of the marker to blue, instead of red. Is this a simple thing to do or do I have to create a whole new icon somehow? If I do have to cre...
How to use SQL Order By statement to sort results case insensitive?
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Is there any difference between 'UPPER' and 'LOWER'
– Jagadeesh
Apr 8 '13 at 15:38
2
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Why is “throws Exception” necessary when calling a function?
Why compiler reports that methods show2() , show3() , and main() have
8 Answers
8...
Escape double quotes in a string
...it. This is just a way to tell C# that the character is part of the string and not a string terminator.
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“TypeError: (Integer) is not JSON serializable” when serializing JSON in Python?
... edited Apr 3 '18 at 14:29
Andrea Bergonzo
1,61422 gold badges1515 silver badges2323 bronze badges
answered Aug 13 '12 at 21:36
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Javascript: Round up to the next multiple of 5
... only rounds up decimals to whole integers.
– Amit Erandole
Sep 23 '13 at 7:07
2
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Python function as a function argument?
...
Here's another way using *args (and also optionally), **kwargs:
def a(x, y):
print x, y
def b(other, function, *args, **kwargs):
function(*args, **kwargs)
print other
b('world', a, 'hello', 'dude')
Output
hello dude
world
Note that function, *...
Unit test, NUnit or Visual studio?
...it has few advantages over MS-Test
Suite attribute - can aggregate tests and execute them separately (useful for large projects with fast and slow tests for example)
Readable Assert method, e.g. Assert.AreEqual(expected, actual) vs Assert.That(actual, Is.EqualTo(expected))
NUnit has frequent versi...