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Django: Set foreign key using integer?
...mployee = Employee(first_name="Name", last_name="Name")
employee.type_id = 4
employee.save()
ForeignKey fields store their value in an attribute with _id at the end, which you can access directly to avoid visiting the database.
The _id version of a ForeignKey is a particularly useful aspect of Dj...
In JavaScript, why is “0” equal to false, but when tested by 'if' it is not false by itself?
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answered Sep 30 '11 at 19:46
jdijdi
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Django template how to look up a dictionary value with a variable
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culebrónculebrón
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Default parameters with C++ constructors [closed]
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answered Oct 9 '08 at 14:59
lukeluke
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总结const_cast、static_cast、dynamic_cast、reinterpret_cast - C/C++ - ...
...查类型安全，向下转换时失败(为NULL)，static_cast不会。
4) reinterpret_cast：任意转换，指针与其他类型间不安全的相互转换，仅在对所做一切了然于心时使用。
以下内容来自CSDN博客：http://blog.csdn.net/zjl_1026_2001/archive/2008/04/03/...
argparse module How to add option without any argument?
... jfsjfs
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Resize UIImage by keeping Aspect ratio and width
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answered Nov 22 '11 at 8:54
Maverick1stMaverick1st
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What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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edited Oct 24 '17 at 3:13
answered Nov 22 '13 at 6:28
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How do I create a basic UIButton programmatically?
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How do I invert BooleanToVisibilityConverter?
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danio
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answered Feb 10 '09 at 22:45
Steve MitchamSteve Mi...