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Rails nested form with has_many :through, how to edit attributes of join model?
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How to convert a java.util.List to a Scala list
...cit conversion for you; e.g.:
var list = new java.util.ArrayList[Int](1,2,3)
list.foreach{println}
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Finding the PHP File (at run time) where a Class was Defined
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What is the difference between children and childNodes in JavaScript?
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Understand that .children is a property of an Element. 1 Only Elements have .children, and the...
How does PHP 'foreach' actually work?
...ction iterate($arr) {
foreach ($arr as $v) {}
}
$outerArr = [0, 1, 2, 3, 4];
iterate($outerArr);
Here, $arr will be duplicated to prevent IAP changes on $arr from leaking to $outerArr. In terms of the conditions above, the array is not a reference (is_ref=0) and is used in two places (refcoun...
_=> what does this underscore mean in Lambda expressions?
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It's more common in Haskell and other functional languages. I think that's where it comes from.
– Gabe Moothart
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Replacement for “rename” in dplyr
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dplyr version 0.3 added a new rename() function that works just like plyr::rename().
df <- rename(df, new_name = old_name)
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Sass calculate percent minus px
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edited Jan 3 at 22:18
answered Nov 7 '12 at 17:28
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