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HTML anchor link - href and onclick both?
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130
Just return true instead?
The return value from the onClick code is what determines whether the...
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...
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...
What is difference between instantiating an object using new vs. without
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The line:
Time t (12, 0, 0);
... allocates a variable of type Time in local scope, generally on the stack, which will be destroyed when its scope ends.
By contrast:
Time* t = new Time(12, 0, 0);
... allocates a block of memory by calling eit...
How do I reference a Django settings variable in my models.py?
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Arbazz Hussain
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answered Oct 23 '11 at 17:31
juankysmithjuankysmith
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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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208
ALTER TABLE person ALTER COLUMN phone DROP NOT NULL;
More details in the manual: http://www.p...
R data formats: RData, Rda, Rds etc
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KenMKenM
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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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