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Overriding fields or properties in subclasses

I have an abstract base class and I want to declare a field or a property that will have a different value in each class that inherits from this parent class. ...
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Checking if an instance's class implements an interface?

...t; 'that' ); $in = in_array('those', $tmp); } These tests are based on this simple code. share | improve this answer | follow | ...
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How do I access the request object or any other variable in a form's clean() method?

... For what it's worth, if you're using Class Based Views, instead of function based views, override get_form_kwargs in your editing view. Example code for a custom CreateView: from braces.views import LoginRequiredMixin class MyModelCreateView(LoginRequiredMixin, Crea...
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Using “super” in C++

...time C++ was standardized. Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple inheritance issue, and would have flagged ambiguous uses. Even Stroustrup was convinced. After discussion, Dag Bruck (yes, the same person making the proposal) wr...
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Autoincrement VersionCode with gradle extra properties

...n properties would need to look like this: VERSION_NUMBER=1 VERSION_BUILD=645 VERSION_PATCH=1 Obviously start with 0. :) share | improve this answer | follow ...
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Why doesn't Java support unsigned ints?

... UriUri 83.1k4646 gold badges211211 silver badges309309 bronze badges ...
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PHP function overloading

... You cannot overload PHP functions. Function signatures are based only on their names and do not include argument lists, so you cannot have two functions with the same name. Class method overloading is different in PHP than in many other languages. PHP uses the same word but it descri...
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Why can't static methods be abstract in Java?

... Unfortunately Java doesn't let you specify that when creating an abstract base class (or an interface). – Michael Carman Mar 29 '11 at 20:10  |  ...
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How does one change the language of the command line interface of Git?

... With Git for Windows 2.x (64 bit) this will be in C:\Program Files\Git\mingw64\share\locale\$LANG\LC_MESSAGES\git.mo. – Koraktor
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Get a list of all threads currently running in Java

...ick'n'dirty test showed, it's about 70-80 times faster than the stacktrace-based solution. For monitoring, a small performance imprint is essential, as you you'll want to keep the effects on the monitored system as small as possible (Heisenberg strikes again :) For debugging, where you may need more...