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Reduce, fold or scan (Left/Right)?
...e first argument res of our binary operator minus:
val xs = List(1, 2, 3, 4)
def minus(res: Int, x: Int) = {
println(s"op: $res - $x = ${res - x}")
res - x
}
xs.reduceLeft(minus)
// op: 1 - 2 = -1
// op: -1 - 3 = -4 // de-cumulates value -1 in *first* operator arg `res`
// op: -4 - 4 = -8
//...
Setting focus on an HTML input box on page load
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4 Answers
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What is difference between sjlj vs dwarf vs seh?
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There's a short overview at MinGW-w64 Wiki:
Why doesn't mingw-w64 gcc support Dwarf-2 Exception Handling?
The Dwarf-2 EH implementation for Windows is not designed at all to
work under 64-bit Windows applications. In win32 mode, the exception
unwin...
In Java, are enum types inside a class static?
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45
It wouldn't make sense to make an instance-level (non-static) inner enum class - if the enum in...
What does the forward slash mean in the CSS font shorthand?
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BoltClock♦BoltClock
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How do I create a pylintrc file
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answered Mar 17 '14 at 8:41
sthenaultsthenault
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how to set a value for a span using JQuery
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4
@Zaid .text() will escape any HTML characters so that it can be displayed as text. Use .html() if you're inserting HTML code that you want t...
How to set UICollectionViewDelegateFlowLayout?
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edited Aug 5 at 4:25
answered Oct 17 '12 at 0:38
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C# List to string with delimiter
...a", "Monica" };
var result = String.Join(", ", names.ToArray());
In .NET 4 you don't need the ToArray anymore, since there is an overload of String.Join that takes an IEnumerable<string>.
Results:
John, Anna, Monica
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