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How can i get the session object if i have the entity-manager
...otally exhaustive, things are different if you're using a JPA 1.0 or a JPA 2.0 implementation.
JPA 1.0
With JPA 1.0, you'd have to use EntityManager#getDelegate(). But keep in mind that the result of this method is implementation specific i.e. non portable from application server using Hibernate ...
SQL Logic Operator Precedence: And and Or
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296
And has precedence over Or, so, even if a <=> a1 Or a2
Where a And b
is not the same...
Rails - controller action name to string
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Rails 2.X: @controller.action_name
Rails 3.1.X: controller.action_name, action_name
Rails 4.X: action_name
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Why does parseInt yield NaN with Array#map?
... element.
In this case, you ended up calling parseInt with radix 0, 1 and 2 in turn. The first is the same as not supplying the parameter, so it defaulted based on the input (base 10, in this case). Base 1 is an impossible number base, and 3 is not a valid number in base 2:
parseInt('1', 0); // ...
Using “label for” on radio buttons
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218
You almost got it. It should be this:
<input type="radio" name="group1" id="r1" value=...
Get current controller in view
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answered Jul 28 '11 at 2:07
Nicholas SizerNicholas Sizer
3,18033 gold badges2525 silver badges2929 bronze badges
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Bulk package updates using Conda
...all will update them (note that the latter will not update you from Python 2 to Python 3, but the former will show Python as being outdated if you do use Python 2).
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List of tuples to dictionary
...() on the list of tuples directly
>>> my_list = [('a', 1), ('b', 2)]
>>> dict(my_list)
{'a': 1, 'b': 2}
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Check if a value is within a range of numbers
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221
You're asking a question about numeric comparisons, so regular expressions really have nothing...