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Determine the type of an object?
...ry, or something else? I am getting an object back that may be either type and I need to be able to tell the difference.
13...
Convert a python 'type' object to a string
...bject). For a new-style class, type(someObject).__name__ returns the name, and for old-style classes it returns instance.
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How can I use “sizeof” in a preprocessor macro?
... ((void)sizeof(... it errors with expected identifier or '(' before 'void' and expected ')' before 'sizeof'. But in principle size_t x = (sizeof(... instead does work as intended. You have to "use" the result, somehow. To allow for this to be called multiple times either inside a function or at gl...
How do I find the location of Python module sources?
...king at themodule.__file__.
The datetime module, however, is written in C, and therefore datetime.__file__ points to a .so file (there is no datetime.__file__ on Windows), and therefore, you can't see the source.
If you download a python source tarball and extract it, the modules' code can be found...
Pythonic way to find maximum value and its index in a list?
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@SvenMarnach Why not key=lambda e: e[1] instead and thereby avoid the import?
– lifebalance
Aug 7 '17 at 6:19
8
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Exporting functions from a DLL with dllexport
...e is an option "Compile As" which corresponds to the compiler switches /TP and /TC.
If you still want to use C++ to write the internals of your lib but export some functions unmangled for use outside C++, see the second section below.
Exporting/Importing DLL Libs in VC++
What you really want to do i...
Extract traceback info from an exception object
...__ attribute that contains the traceback. This attribute is also writable, and can be conveniently set using the with_traceback method of exceptions:
raise Exception("foo occurred").with_traceback(tracebackobj)
These features are minimally described as part of the raise documentation.
All credi...
super() raises “TypeError: must be type, not classobj” for new-style class
...e = OldStyle()
>>> issubclass(instance.__class__, object)
False
and not (as in the question):
>>> isinstance(instance, object)
True
For classes, the correct "is this a new-style class" test is:
>>> issubclass(OldStyle, object) # OldStyle is not a new-style class
Fal...
How do I access the request object or any other variable in a form's clean() method?
...gument, request. This stores the request in the form, where it's required, and from where you can access it in your clean method.
class MyForm(forms.Form):
def __init__(self, *args, **kwargs):
self.request = kwargs.pop('request', None)
super(MyForm, self).__init__(*args, **kwar...
How to disable GCC warnings for a few lines of code
...is one */
#pragma GCC diagnostic pop
foo(d); /* depends on command line options */
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