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How to call a Parent Class's method from Child Class in Python?
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Yes, but only with new-style classes. Use the super() function:
class Foo(Bar):
def baz(self, arg):
return super().baz(arg)
For python < 3, use:
class Foo(Bar):
def baz(self, arg):
return super(Foo, self).baz...
Can I use Objective-C blocks as properties?
Is it possible to have blocks as properties using the standard property syntax?
8 Answers
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Is there any difference between “foo is None” and “foo == None”?
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is always returns True if it compares the same object instance
Whereas == is ultimately determined by the __eq__() method
i.e.
>>> class Foo(object):
def __eq__(self, other):
return True
>>> f = Foo()
>>&...
Will the base class constructor be automatically called?
Would the age of customer be 2? It seems like the base class's constructor will be called no matter what. If so, why do we need to call base at the end sometimes?
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Command-line Unix ASCII-based charting / plotting tool
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Try gnuplot. It has very powerful graphing possibilities.
It can output to your terminal in the following way:
gnuplot> set terminal dumb
Terminal type set to 'dumb'
Options are 'feed 79 24'
gnuplot> plot sin(x)
1 ++----------...
Why are #ifndef and #define used in C++ header files?
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Those are called #include guards.
Once the header is included, it checks if a unique value (in this case HEADERFILE_H) is defined. Then if it's not defined, it defines it and continues to the rest of the page.
When the code is included again, the first ifndef fails, resulting in a blank...
Abstract methods in Python [duplicate]
I am having trouble in using inheritance with Python. While the concept seems too easy for me in Java yet up till now I have been unable to understand in Python which is surprising to me at least.
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Timeout for python requests.get entire response
I'm gathering statistics on a list of websites and I'm using requests for it for simplicity. Here is my code:
19 Answers
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How to delete last item in list?
...rogram that calculates the time taken to answer a specific question, and quits out of the while loop when answer is incorrect, but i want to delete the last calculation, so i can call min() and it not be the wrong time, sorry if this is confusing.
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Timeout function if it takes too long to finish [duplicate]
...l script that loops through a text file containing URL:s that I want to visit and take screenshots of.
2 Answers
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