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How to check if element has any children in Javascript?
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or the length property of childNodes:
if (element.childNodes.length > 0) { // Or just `if (element.childNodes.length)`
// It has at least one
}
If you only want to know about child elements (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, eve...
How do I get the MAX row with a GROUP BY in LINQ query?
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answered Oct 1 '08 at 14:34
tvanfossontvanfosson
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Why does javascript map function return undefined?
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edited Dec 18 '13 at 8:01
answered Apr 16 '13 at 12:28
I...
How do I find out with jQuery if an element is being animated?
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if( $(elem).is(':animated') ) {...}
More info: https://api.jquery.com/animated-selector/
O...
Check if an element is a child of a parent
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answered Sep 20 '10 at 17:04
user113716user113716
291k5959 gold badges425425 silver badges431431 bronze badges
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How can I reorder a list? [closed]
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230
You can do it like this
mylist = ['a', 'b', 'c', 'd', 'e']
myorder = [3, 2, 0, 1, 4]
mylist = [...
MySQL how to join tables on two fields
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180
JOIN t2 ON t1.id=t2.id AND t1.date=t2.date
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Is [CallerMemberName] slow compared to alternatives when implementing INotifyPropertyChanged?
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202
No, the use of [CallerMemberName] is not slower than the upper basic implementation.
This is b...
How to add a footer to a UITableView in Storyboard
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107
Note that you can only do this if you have more than 0 prototype cells specified. Otherwise, the dragged-in view always becomes the header...
How to get random value out of an array?
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