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In which case do you use the JPA @JoinTable annotation?
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EDIT 2017-04-29: As pointed to by some of the commenters, the JoinTable example does not need the mappedBy annotation attribute. In fact, recent versions of Hibernate refuse to start up by printing the following error:
org.hib...
编译失败！ Error: Your build failed due to an error in the AAPT stage,...
编译apk报错如下：
经过日志分析如下：
Tag <activity> attribute name has invalid character
[java] /tmp/1685410160630_0.39828964915976717-0/youngandroidproject/../build/AndroidManifest.xml:5: Tag <activity> attribute name has invalid character '�'.
&n...
Store JSON object in data attribute in HTML jQuery
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instead of embedding it in the text just use $('#myElement').data('key',jsonObject);
it won't actually be stored in the html, but if you're using jquery.data, all that is abstracted anyway.
To get the JSON back don't parse it, just call:
var g...
List all base classes in a hierarchy of given class?
Given a class Foo (whether it is a new-style class or not), how do you generate all the base classes - anywhere in the inheritance hierarchy - it issubclass of?
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NSLog the method name with Objective-C in iPhone
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edited Aug 29 '17 at 5:26
Irfan
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Getting the class name of an instance?
...he name of the class, which I think is what you want.
>>> import itertools
>>> x = itertools.count(0)
>>> type(x).__name__
'count'
If you're still using Python 2, note that the above method works with new-style classes only (in Python 3+ all classes are "new-style" clas...
Checking if an instance's class implements an interface?
Given a class instance, is it possible to determine if it implements a particular interface? As far as I know, there isn't a built-in function to do this directly. What options do I have (if any)?
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Can a decorator of an instance method access the class?
...ss of an instance method from a decorator used upon the instance method in its definition.
13 Answers
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method of iterating over sqlalchemy model's defined columns?
I've been trying to figure out how to iterate over the list of columns defined in a SQLAlchemy model. I want it for writing some serialization and copy methods to a couple of models. I can't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
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Get class that defined method
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edited Jun 20 '14 at 19:44
Aaron Hall♦
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