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belongs_to through associations

...r that. – Konstantin Mar 14 '18 at 23:28 add a comment  |  ...
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How to select between brackets (or quotes or …) in Vim?

... | edited May 23 '17 at 12:10 Community♦ 111 silver badge answered Jun 30 '09 at 5:59 ...
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Rethrowing exceptions in Java without losing the stack trace

... answered Jul 8 '09 at 11:43 Brian AgnewBrian Agnew 248k3535 gold badges309309 silver badges420420 bronze badges ...
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Restart node upon changing a file

... | edited Jan 27 '18 at 3:17 The Red Pea 10.2k1010 gold badges6565 silver badges104104 bronze badges a...
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what is the difference between 'transform' and 'fit_transform' in sklearn

... already called its .fit method. In [12]: pc2 = RandomizedPCA(n_components=3) In [13]: pc2.transform(X) # can't transform because it does not know how to do it. --------------------------------------------------------------------------- AttributeError Traceback (most rece...
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Can't find the 'libpq-fe.h header when trying to install pg gem

I am using the Ruby on Rails 3.1 pre version. I like to use PostgreSQL, but the problem is installing the pg gem. It gives me the following error: ...
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How to get a random number in Ruby

... them with: 10.times.map{ 20 + Random.rand(11) } #=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22] Note: Using Random.new.rand(20..30) (using Random.new) generally would not be a good idea, as explained in detail (again) by Marc-André Lafortune, in his answer (again). But if you don't use Rand...
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Is there any way to git checkout previous branch?

... Karl BielefeldtKarl Bielefeldt 40.3k99 gold badges5555 silver badges8787 bronze badges ...
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How to set the id attribute of a HTML element dynamically with angularjs (1.x)?

... 397 ngAttr directive can totally be of help here, as introduced in the official documentation ht...
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How to find out what character key is pressed?

... SimpleJ 8,86755 gold badges2727 silver badges6363 bronze badges answered Dec 4 '09 at 12:36 CoyodCoyod 2,33822 gold badges15...