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Why doesn't the height of a container element increase if it contains floated elements?
... <!-- Now in order to prevent the next div from floating beside the top ones,
we use `clear: both;`. This is like a wall, so now none of the div's
will be floated after this point. The container height will now also include the
height of these floated divs -->
<div...
Bomb dropping algorithm
...he inner layer simpler by >X bombs. So, if we call
the permiter layer one, if we place an extra X bombs somewhere in layer 2 (just
inside layer 1), can we reduce the effort of later bombing away layer 2 by more than
X? In other words, we have to prove we can be greedy in reducing the outer
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Implementing two interfaces in a class with same method. Which interface method is overridden?
...define a method that has identical signature, then in effect there is only one method, and they are not distinguishable. If, say, the two methods have conflicting return types, then it will be a compilation error. This is the general rule of inheritance, method overriding, hiding, and declarations, ...
How to skip over an element in .map()?
...d seem weird if a couple of cities were completely missing, a mapping from one list to another only really makes sense when there's a 1 to 1 set of result values.
I'm not saying that it doesn't make sense to create a new list from an old list with some values excluded. I'm just trying to make clear ...
How do I exchange keys with values in a dictionary?
... long as a dict isn't modified). but this answer needs call my_dict twice(one for values, one for keys). maybe this is not ideal.
– sunqiang
Jul 6 '09 at 16:39
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Java 8 Streams: multiple filters vs. complex condition
Sometimes you want to filter a Stream with more than one condition:
4 Answers
4
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Putting a simple if-then-else statement on one line [duplicate]
...ere an easier way of writing an if - then - else statement so it fits on one line?
5 Answers
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How best to determine if an argument is not sent to the JavaScript function
... if an argument has been passed to a JavaScript function. I'm wondering if one method is better than the other or if one is just bad to use?
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Input placeholders for Internet Explorer
... "Web Forms : input placeholder" section of HTML5 Cross Browser Polyfills, one I saw was jQuery-html5-placeholder.
I tried the demo out with IE9, and it looks like it wraps your <input> with a span and overlays a label with the placeholder text.
<label>Text:
<span style="position:...
Rake just one migration
I'm trying to run just one migration out of a whole bunch in my rails app. How can I do this? I don't want to run any of the migrations before or after it. Thanks.
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