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Determine if ActiveRecord Object is New
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edited Apr 11 '17 at 13:59
ndnenkov
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How do I create a class instance from a string name in ruby?
...nst_get c}
=> Foo::Bar
> clazz.new
=> #<Foo::Bar:0x0000010110a4f8>
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How can I change the text inside my with jQuery?
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answered Aug 28 '11 at 16:31
dexterdexter
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Can bash show a function's definition?
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Jonathan Neufeld
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answered Aug 2 '11 at 18:43
Benjamin BannierBenjami...
C++ template typedef
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C++11 added alias declarations, which are generalization of typedef, allowing templates:
template <size_t N>
using Vector = Matrix<N, 1>;
The type Vector<3> is equivalent to Matrix<3, 1>.
In C++03, ...
Right query to get the current number of connections in a PostgreSQL DB
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answered Mar 11 '11 at 8:52
Magnus HaganderMagnus Hagander
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Not class selector in jQuery
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answered Jan 6 '11 at 10:53
lonesomedaylonesomeday
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Formatting “yesterday's” date in python
...ate.today() - timedelta(days=1)
>>> yesterday.strftime('%m%d%y')
'110909'
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Use-case of `oneway void` in Objective-C?
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oneway is used with the distributed objects API, which allows use of objective-c objects betwe...
JUnit 4 Test Suites
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Anton Holmberg
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answered Jan 19 '09 at 11:22
Joachim SauerJoachim Sauer
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