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Multiple constructors in python? [duplicate]
... Now you can do:
c = C(fd)
# or:
c = C.fromfilename('a filename')
Notice all those classmethods still go through the same __init__, but using classmethods can be much more convenient than having to remember what combinations of keyword arguments to __init__ work.
isinstance is best avoided becaus...
Max size of an iOS application
...whose MinimumOSVersion is less than 7.0: maximum of 80 MB for the total of all __TEXT sections in the binary.
For apps whose MinimumOSVersion is 7.x through 8.x: maximum of 60 MB per slice for the __TEXT section of each architecture slice in the binary.
For apps whose MinimumOSVersion is 9.0 or grea...
How to use permission_required decorators on django class-based views
...ing how the new CBVs work. My question is this, I need to require login in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there ...
How can I see normal print output created during pytest run?
...in the junit report?
In UNIX, this is commonly referred to as teeing. Ideally, teeing rather than capturing would be the py.test default. Non-ideally, neither py.test nor any existing third-party py.test plugin (...that I know of, anyway) supports teeing – despite Python trivially supporting tee...
What tools are there for functional programming in C?
...ing in C ( not C++). Obviously, C is a procedural language and doesn't really support functional programming natively.
13...
A proper wrapper for console.log with correct line number?
...
This is an old question and All the answers provided are overly hackey, have MAJOR cross browser issues, and don't provide anything super useful. This solution works in every browser and reports all console data exactly as it should. No hacks required...
What is the meaning of “__attribute__((packed, aligned(4))) ”
...gned(1))) sSampleStruct;
so the above specified gcc attribute does not allow the structure padding. so the size will be 8 bytes.
If you wish to do the same for all the structures, simply we can push the alignment value to stack using #pragma
#pragma pack(push, 1)
//Structure 1
......
//Stru...
Why not inherit from List?
... What is the correct C# way of representing a data structure, which, "logically" (that is to say, "to the human mind") is just a list of things with a few bells and whistles?
Ask any ten non-computer-programmer people who are familiar with the existence of football to fill in the blank:
A foot...
How to use timeit module
...
The way timeit works is to run setup code once and then make repeated calls to a series of statements. So, if you want to test sorting, some care is required so that one pass at an in-place sort doesn't affect the next pass with already sorted data (that, of course, would make the Timsort reall...
Redirect stdout to a file in Python?
...t it back when you're done, sys.stdout = stdout. That way if you're being called from a function that uses print you don't screw them up.
– mgold
Dec 20 '12 at 15:06
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