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Hibernate throws MultipleBagFetchException - cannot simultaneously fetch multiple bags
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I think a newer version of hibernate (supporting JPA 2.0) should handle this. But otherwise you can work it around by annotating the collection fields with:
@LazyCollection(LazyCollectionOption.FALSE)
Remember to remove the fetchType attribute from the @*ToMany annotation.
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Create a custom event in Java
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421
You probably want to look into the observer pattern.
Here's some sample code to get yourself s...
How to find a Java Memory Leak
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126
I use following approach to finding memory leaks in Java. I've used jProfiler with great succes...
How to flatten tree via LINQ?
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edited Mar 27 at 11:48
answered Aug 6 '12 at 14:28
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Convert data.frame columns from factors to characters
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edited May 23 '17 at 12:18
Community♦
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answered May 17 '10 at 17:21
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How to change a nullable column to not nullable in a Rails migration?
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208
If you do it in a migration then you could probably do it like this:
# Make sure no null valu...
Are nested try/except blocks in python a good programming practice?
...") from None
PS. has_key() has been deprecated for a long time in Python 2. Use item in self.dict instead.
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Logging uncaught exceptions in Python
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Martin Thoma
81.2k102102 gold badges454454 silver badges700700 bronze badges
answered Jun 4 '11 at 3:26
JacindaJacind...
Pass an array of integers to ASP.NET Web API?
...tegoryIds)
And send request:
/Categories?categoryids=1&categoryids=2&categoryids=3
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