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Seeking clarification on apparent contradictions regarding weakly typed languages
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UPDATE: This question was the subject of my blog on the 15th of October, 2012. Thanks for the ...
How to get one value at a time from a generator function in Python?
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Yes, or next(gen) in 2.6+.
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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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Convert data.frame columns from factors to characters
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edited May 23 '17 at 12:18
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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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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?
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PS. has_key() has been deprecated for a long time in Python 2. Use item in self.dict instead.
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比尔盖茨“未来生活预言”的科技豪宅(图) - 资讯 - 清泛网 - 专注C/C++及内核技术
...,他家就指引着数字生活的航向。
豪宅名叫“世外桃源2.0”,位于美国西雅图的华盛顿湖畔,从市区开车只需25分钟。“世外桃源2.0”这个名字来源于《CitizenKane》里 CharlesFosterKane虚构的房屋。
盖茨把岸边小山挖去一半,前临...
Create a custom event in Java
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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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I use following approach to finding memory leaks in Java. I've used jProfiler with great succes...