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Django Rest Framework: Dynamically return subset of fields
... I would like to add a fields query parameter to a Django Rest Framework based API which enables the user to select only a subset of fields per resource.
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)
I want to create a C macro that creates a function with a name based
on the line number.
I thought I could do something like (the real function would have statements within the braces):
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Can I escape a double quote in a verbatim string literal?
... 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 to create a custom string representation for a class object?
...f you have one class that you want to have a custom static repr, the class-based approach above works great. But if you have several, you'd have to generate a metaclass similar to MC for each, and that can get tiresome. In that case, taking your metaprogramming one step further and creating a metacl...
Get __name__ of calling function's module in Python
...frames().values())[0]
>>> print f.f_back.f_globals['__file__']
'/base/data/home/apps/apricot/1.6456165165151/caller.py'
>>> print f.f_back.f_globals['__name__']
'__main__'
For the filename you can also use f.f_back.f_code.co_filename, as suggested by Mark Roddy above. I am not ...
Difference between except: and except Exception as e: in Python
...s not defined ("global name 'asd' is not defined",)
But it doesn't catch BaseException or the system-exiting exceptions SystemExit, KeyboardInterrupt and GeneratorExit:
>>> def catch():
... try:
... raise BaseException()
... except Exception as e:
... print e.mess...
How to serialize SqlAlchemy result to JSON?
...eir children, and all their children... Potentially encode your entire database, basically. When it reaches something its encoded before, it will encode it as 'None'.
A recursive, possibly-circular, selective implementation
Another alternative, probably better, is to be able to specify the fields ...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘c...
error: cannot dynamic_cast ‘b’ (of type ‘class Base*’) to type ‘class Derived*’ (source type is not polymorphic)在将父类型转换为子类型时,可以使用static_cast和dynamic_cast.如果使用dynamic_cast,它要求父类必须为多态的,即要求至少有一个虚函数,因此....
Is there a printf converter to print in binary format?
...x or octal number. Is there a format tag to print as binary, or arbitrary base?
52 Answers
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How to remove the querystring and get only the url?
...xtentions or functions. I used this to get the current called file name. $base = basename($_SERVER['REQUEST_URI']); $page = substr($base, 0, strrpos($base, "?"));
– Rob
May 20 '13 at 14:26
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