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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
...he question. Indeed, only the LongNamedRestaurant model was created in database, Place was not.
A solution is to create an abstract model representing a "Place", eg. AbstractPlace, and inherit from it:
class AbstractPlace(models.Model):
name = models.CharField(max_length=20)
rating = model...
Initialize class fields in constructor or at declaration?
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Actually it does matter. If the base class constructor calls a virtual method (which is generally a bad idea, but can happen) which is overridden in the derived class, then using instance variable initializers the variable will be initialized when the metho...
Why does Twitter Bootstrap Use Pixels for Font Size?
...but in real life? Does anyone have REAL examples of users stucked on pixel based websites? With real stats and real problems that pixels causes? This is the real question in this debate I think. The lack of proof is why most of people use PX.
– adriendenat
Aug ...
Split string based on regex
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I recursively find all files in current and subfolders based on wildcard matching?
How can I recursively find all files in current and subfolders based on wildcard matching?
16 Answers
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XPath: How to select elements based on their value?
I am new to using XPath and this may be a basic question. Kindly bear with me and help me in resolving the issue. I have an XML file like this:
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How to delete an array element based on key? [duplicate]
For instance,
3 Answers
3
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update columns values with column of another table based on condition [duplicate]
I have two tables...
2 Answers
2
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AppInventor2拍照的照片Base64编码报错，选择的图片没有问题 - App应用开发...
完整代码块如下：
这是在真机上测试的：
Pursuer丶:
AI伴侣测试一样的错
应该是文件没读到 fis为空
然后后用用null.compress 报错了
我用FileTool那个插件 现把文件拷贝出来 然后再调用 就可以了。
具体实现步骤...
Converting an int to std::string
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Overkill? Based on what? boost.org/doc/libs/1_53_0/doc/html/boost_lexical_cast/…
– Catskul
Jun 3 '13 at 22:34
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