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Format Float to n decimal places
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You may also pass the float value, and use:
String.format("%.2f", floatValue);
Documentation
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The opposite of Intersect()
...rray2.Except(array1);
If you want the real non-intersection (also both 1 and 4), then this should do the trick:
var nonintersect = array1.Except(array2).Union( array2.Except(array1));
This will not be the most performant solution, but for small lists it should work just fine.
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How to read if a checkbox is checked in PHP?
... edited Oct 20 '15 at 19:08
Andrew Thompson
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answered Dec 29 '10 at 14:07
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What do < and > stand for?
I know that the entities &lt; and &gt; are used for < and > , but I am curious what these names stand for.
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What is the Swift equivalent of respondsToSelector?
...ional unwrapper operator. This allows you to call a method on an object if and only if the object exists (not nil) and the method is implemented.
In the case where you still need respondsToSelector:, it is still there as part of the NSObject protocol.
If you are calling respondsToSelector: on an O...
How to prettyprint a JSON file?
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To parse a file, use json.load():
with open('filename.txt', 'r') as handle:
parsed = json.load(handle)
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How to change an input button image using CSS?
...'re looking for. If you need Safari support, you'll need to place an image and have an onclick function that submits the form.
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos
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The quick and dirty first pass solution is always a great one to start with, as a comparison if nothing else.
Greedy placement from large to small.
Put the largest rectangle remaining into your packed area. If it can't fit anywhere, ...
What in the world are Spring beans?
I am yet to find a high-level definition of Spring beans that I can understand. I see them referenced often in Grails documentation and books, but I think that understanding what they are would be beneficial. So what are Spring beans? How can they be used? Do they have something to do with Dependenc...
How can I use numpy.correlate to do autocorrelation?
I need to do auto-correlation of a set of numbers, which as I understand it is just the correlation of the set with itself.
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