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Is it possible to register a http+domain-based URL Scheme for iPhone apps, like YouTube and Maps?
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244
I think the least intrusive way of doing this is as follows:
Check if the user-agent is that...
What is the fastest or most elegant way to compute a set difference using Javascript arrays?
...if don't know if this is most effective, but perhaps the shortest
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(function(x) { return B.indexOf(x) < 0 })
console.log(diff);
Updated to ES6:
A = [1, 2, 3, 4];
B = [1, 3, 4, 7];
diff = A.filter(x => !B.includes(x) );
console.log(diff)...
Find nearest latitude/longitude with an SQL query
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219
SELECT latitude, longitude, SQRT(
POW(69.1 * (latitude - [startlat]), 2) +
POW(69.1 * ...
How to Flatten a Multidimensional Array?
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29 Answers
29
Active
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Transaction marked as rollback only: How do I find the cause
...e:
@Transactional(rollbackFor=MyException.class, noRollbackFor=MyException2.class)
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How to go to a specific element on page? [duplicate]
...for chaining...
}
})(jQuery);
Then you could just say $('#div_element2').goTo(); to scroll to <div id="div_element2">. Options handling and configurability is left as an exercise for the reader.
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Get index of array element faster than O(n)
... Hash[array.map.with_index.to_a] # => {"a"=>0, "b"=>1, "c"=>2}
hash['b'] # => 1
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Print a list in reverse order with range()?
...rameters. range(start, stop, step)
For example, to generate a list [5,4,3,2,1,0], you can use the following:
range(5, -1, -1)
It may be less intuitive but as the comments mention, this is more efficient and the right usage of range for reversed list.
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Most concise way to convert a Set to a List
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answered Feb 23 '10 at 15:56
SchildmeijerSchildmeijer
19.6k1010 gold badges5757 silver badges7878 bronze badges
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Does use of final keyword in Java improve the performance?
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288
Usually not. For virtual methods, HotSpot keeps track of whether the method has actually been ...