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ActiveRecord, has_many :through, and Polymorphic Associations
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edited Dec 5 '11 at 9:09
answered Nov 5 '09 at 23:53
Em...
What does a double * (splat) operator do
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Ruby 2.0 introduced keyword arguments, and ** acts like *, but for keyword arguments. It returns a Hash with key / value pairs.
For this code:
def foo(a, *b, **c)
[a, b, c]
end
Here's a demo:
> foo 10
=> [10, [], {}]
&g...
Does the Go language have function/method overloading?
...the types was a major simplifying decision in Go's type system.
Update: 2016-04-07
While Go still does not have overloaded functions (and probably never will), the most useful feature of overloading, that of calling a function with optional arguments and inferring defaults for those omitted can b...
CSS selector for other than the first child and last child
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Salman von AbbasSalman von Abbas
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How to order results with findBy() in Doctrine
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309
The second parameter of findBy is for ORDER.
$ens = $em->getRepository('AcmeBinBundle:Marks...
How to match any non white space character except a particular one?
... Pietzcker
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Is git not case sensitive?
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answered Dec 12 '11 at 22:06
Adam DymitrukAdam Dymitruk
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Media Player called in state 0, error (-38,0)
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120
You need to call mediaPlayer.start() in the onPrepared method by using a listener.
You are getti...
How to put a unicode character in XAML?
...rmat you could try the XML character escape. So instead of writing &\u2014, you could write — instead.
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How to parse a JSON string into JsonNode in Jackson?
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edited Apr 3 '15 at 20:37
John Gietzen
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