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Firebug says “No Javascript on this page”, even though JavaScript does exist on the page

... This should be the answer now, Firebug is dead. – Steve Hibbert Nov 23 '16 at 15:59 11 ...
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Change “on” color of a Switch

... As of now it is better to use SwitchCompat from the AppCompat.v7 library. You can then use simple styling to change the color of your components. values/themes.xml: <style name="Theme.MyTheme" parent="Theme.AppCompat.Light"&gt...
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Is there a JSON equivalent of XQuery/XPath?

... Yup, it's called JSONPath. The source is now on GitHub. It's also integrated into DOJO. share | improve this answer | follow ...
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Algorithm to generate all possible permutations of a list?

Say I have a list of n elements, I know there are n! possible ways to order these elements. What is an algorithm to generate all possible orderings of this list? Example, I have list [a, b, c]. The algorithm would return [[a, b, c], [a, c, b,], [b, a, c], [b, c, a], [c, a, b], [c, b, a]]. ...
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What does the CSS rule “clear: both” do?

... so this is how block level elements behave when floated left or right, so now why is clear: both; required and why? So if you note in the layout demo - in case you forgot, here it is.. I am using a class called .clear and it holds a property called clear with a value of both. So lets see why it n...
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Java 8: Where is TriFunction (and kin) in java.util.function? Or what is the alternative?

... As far as I know, there are only two kinds of functions, destructive and constructive. While constructive function, as the name implies, constructs something, a destructive one destroys something, but not in the way you may think now. F...
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Delete last commit in bitbucket

I made a mistake and I don't know how to delete my latest push in the repository. I pull the latest updates of the app but it has conflicts and I push it to repository. ...
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When saving, how can you check if a field has changed?

...mixin that tracks model fields' values and provide some useful api to know what fields have been changed. """ def __init__(self, *args, **kwargs): super(ModelDiffMixin, self).__init__(*args, **kwargs) self.__initial = self._dict @property def diff(self): ...
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Why can Java Collections not directly store Primitives types?

... anything, I'd like the compiler to warn me when it autoboxes. (For all I know, it may now, I wrote this answer in 2010). A good explanation on SO about boxing: Why do some languages need Boxing and Unboxing? And criticism of Java generics: Why do some claim that Java's implementation of generics...
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What's a simple way to get a text input popup dialog box on an iPhone

... as, say, a UITableViewCell, but it should definitly do the trick as it is now standard supported in the iOS API. You will not need a private API for this. UIAlertView * alert = [[UIAlertView alloc] initWithTitle:@"Alert" message:@"This is an example alert!" delegate:self cancelButtonTitle:@"Hide" ...