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How to use Swift @autoclosure
...}
}
To call this function, we have to pass in a closure
f(pred: {2 > 1})
// "It's true"
If we omit the braces, we are passing in an expression and that's an error:
f(pred: 2 > 1)
// error: '>' produces 'Bool', not the expected contextual result type '() -> Bool'
@autoclosure crea...
How to get first 5 characters from string [duplicate]
... 8859 family, etc.) use substr and for multi-byte strings (e.g. UTF-8, UTF-16, etc.) use mb_substr:
// singlebyte strings
$result = substr($myStr, 0, 5);
// multibyte strings
$result = mb_substr($myStr, 0, 5);
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How do I access named capturing groups in a .NET Regex?
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edited Jan 19 '16 at 17:49
user3638471
answered May 25 '09 at 12:18
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Does it make any sense to use inline keyword with templates?
...Ua4K20.o:inlinexx.cc:(.text+0x0): first defined here
collect2: ld returned 1 exit status
Not stating inline when doing explicit instantiation may also lead to issues.
So in summary: For non fully specialized function templates, i.e. ones that carry at least one unknown type, you can omit inline, ...
Redefining NULL
...or casts to pointers) to be converted into some other magic value such as -1.
Arrange for equality tests between pointers and a constant integer 0 to check for the magic value instead (§6.5.9/6)
Arrange for all contexts in which a pointer type is evaluated as a boolean to check for equality to the ...
What is the coolest thing you can do in
...es of simple code. I'm sure you can write a Mandelbrot set in Haskell in 15 lines but it's difficult to follow.
87 Answ...
What's the difference between Html.Label, Html.LabelFor and Html.LabelForModel
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110
Html.Label gives you a label for an input whose name matches the specified input text (more sp...
What is the HEAD in git?
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195
HEAD is a reference to the last commit in the currently checked-out branch.
There is a smal...
Rails “validates_uniqueness_of” Case Sensitivity
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edited Apr 6 '09 at 16:59
answered Mar 27 '09 at 18:03
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Get UIScrollView to scroll to the top
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14 Answers
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