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What's the difference between Ruby's dup and clone methods?
...asses may override these methods to provide different semantics. In Object itself, there are two key differences.
First, clone copies the singleton class, while dup does not.
o = Object.new
def o.foo
42
end
o.dup.foo # raises NoMethodError
o.clone.foo # returns 42
Second, clone preserves th...
What is CDATA in HTML? [duplicate]
... XML elements.
"<" will generate an error because the parser interprets it as the start of a new element.
"&" will generate an error because the parser interprets it as the start of an character entity.
Some text, like JavaScript code, contains a lot of "<" or "&" characters. To avoid ...
Sort objects in ArrayList by date?
...return getDateTime().compareTo(o.getDateTime());
}
}
And then you sort it by calling:
Collections.sort(myList);
However sometimes you don't want to change your model, like when you want to sort on several different properties. In that case, you can create comparator on the fly:
Collections.s...
Getting root permissions on a file inside of vi? [closed]
Often while editing config files, I'll open one with vi and then when I go to save it realize that I didn't type
10 Answers...
In jQuery, how do I select an element by its name attribute?
...
This should do it, all of this is in the documentation, which has a very similar example to this:
$("input[type='radio'][name='theme']").click(function() {
var value = $(this).val();
});
I should also note you have multiple identical...
Short circuit Array.forEach like calling break
...alse; and break . break crashes and return does nothing but continue iteration.
30 Answers
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Last iteration of enhanced for loop in java
Is there a way to determine if the loop is iterating for the last time. My code looks something like this:
21 Answers
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Accessing MVC's model property from Javascript
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You could take your entire server-side model and turn it into a Javascript object by doing the following:
var model = @Html.Raw(Json.Encode(Model));
In your case if you just want the FloorPlanSettings object, simply pass the Encode method that property:
var floorplanSettings...
Is there a label/goto in Python?
...No, Python does not support labels and goto, if that is what you're after. It's a (highly) structured programming language.
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What is the Sign Off feature in Git for?
What's the point of the Sign Off feature in Git ?
4 Answers
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