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What is the __del__ method, How to call it?

...is used, probably not like that: obj1.del() . So, my questions is how to call the __del__ method? 5 Answers ...
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Why does += behave unexpectedly on lists?

... The general answer is that += tries to call the __iadd__ special method, and if that isn't available it tries to use __add__ instead. So the issue is with the difference between these special methods. The __iadd__ special method is for an in-place addition, that i...
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How does Python's super() work with multiple inheritance?

...ave trouble understanding the super() function (new style classes) especially when it comes to multiple inheritance. 16 A...
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Relationship between SciPy and NumPy

SciPy appears to provide most (but not all [1]) of NumPy's functions in its own namespace. In other words, if there's a function named numpy.foo , there's almost certainly a scipy.foo . Most of the time, the two appear to be exactly the same, oftentimes even pointing to the same function object. ...
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Default filter in Django admin

How can I change the default filter choice from 'ALL'? I have a field named as status which has three values: activate , pending and rejected . When I use list_filter in Django admin, the filter is by default set to 'All' but I want to set it to pending by default. ...
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How does JavaScript .prototype work?

...ing languages but I've written my fair share of JavaScript code. I never really got my head around this prototype-based programming, does any one know how this works? ...
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How to upload files to server using JSP/Servlet?

...ation/x-www-form-urlencoded. The request.getParameter() and consorts would all return null when using multipart form data. This is where the well known Apache Commons FileUpload came into the picture. Don't manually parse it! You can in theory parse the request body yourself based on ServletReques...
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Get all related Django model objects

How can I get a list of all the model objects that have a ForeignKey pointing to an object? (Something like the delete confirmation page in the Django admin before DELETE CASCADE). ...
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Sass or Compass without ruby?

...uage. At this point, you can use the Sass engine in Ruby, Node.js, Python, PHP, Java, .NET and others. For more information, visit libSass. Also, your IDE might have a plugin which would support Sass, without the need of ruby by using the libSass. The original answer below may or may not apply to y...
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How do I get the path of the current executed file in Python?

...ike a newbie question, but it is not. Some common approaches don't work in all cases: 13 Answers ...