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What is the difference between an interface and abstract class?
... interface does not have an implementation for a method is no longer valid now.
Refer to this documentation page for more details.
Have a look at this SE question for code examples to understand better.
How should I have explained the difference between an Interface and an Abst
How to implement __iter__(self) for a container object (Python)
... Actually -- with this use case -- you only need to raise StopIteration if you wish to stop yielding values before some_list is exhausted.
– Tim Peoples
Jun 29 '16 at 0:23
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Catching an exception while using a Python 'with' statement
...e, I can't figure out how to handle exception for python 'with' statement. If I have a code:
4 Answers
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
... licensing fees, solid reputation and support, etc. That is where I start nowadays.
Most applications/systems choose lots of fancy J2EE features when all they really need is servlets and JDBC with some decent architecture/design. Question why you think you need more.
Of the full-blown containers...
How to get the system uptime in Windows? [closed]
I am using windows 7 and xp. I want to know the uptime of the system.
3 Answers
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Using CookieContainer with WebClient class
...ed a CookieContainer with HttpWebRequest and HttpWebResponse sessions, but now, I want to use it with a WebClient. As far as I understand, there is no built-in method like there is for HttpWebRequests ( request.CookieContainer ). How can I collect cookies from a WebClient in a CookieContainer?
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How to join components of a path when you are constructing a URL in Python
...eason.
So, I'd use something like '/'.join(s.strip('/') for s in pieces) (if the leading / must also be ignored -- if the leading piece must be special-cased, that's also feasible of course;-).
share
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method of iterating over sqlalchemy model's defined columns?
...n't just iterate over the obj.__dict__ since it contains a lot of SA specific items.
8 Answers
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List attributes of an object
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To be specific, pprint.pprint(a.__dict__) does a pretty-print on the attributes.
– smci
Aug 27 '16 at 0:00
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How do I check OS with a preprocessor directive?
I need my code to do different things based on the operating system on which it gets compiled. I'm looking for something like this:
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