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What is a 'semantic predicate' in ANTLR?
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JavaScript Date Object Comparison
...ts are never equal to each other. Coerce them to number:
alert( +startDate2 == +startDate3 ); // true
If you want a more explicity conversion to number, use either:
alert( startDate2.getTime() == startDate3.getTime() ); // true
or
alert( Number(startDate2) == Number(startDate3) ); // true
Oh, ...
What does @: (at symbol colon) mean in a Makefile?
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Is there any way to not return something using CoffeeScript?
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edited Dec 20 '12 at 13:52
answered Sep 12 '11 at 17:21
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What is the proper way to check if a string is empty in Perl?
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answered Jan 11 '10 at 23:20
Greg HewgillGreg Hewgill
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LINQ Group By into a Dictionary Object
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Dictionary<string, List<CustomObject>> myDictionary = ListOfCustomObjects
.Group...
PHP: Move associative array element to beginning of array
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You can use the array union operator (+) to join the original array to a new associative array u...
Redirect to named url pattern directly from urls.py in django?
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Flimm
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answered Mar 29 '13 at 15:41
thneethnee
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What are “first class” objects?
...cos = makeDerivative( Math.sin, 0.000001);
// cos(0) ~> 1
// cos(pi/2) ~> 0
Source.
Entities that are not first class objects are referred to as second-class objects. Functions in C++ are second class because they can't be dynamically created.
Regarding the edit:
EDIT. When one ...