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Why use Abstract Base Classes in Python?
Because I am used to the old ways of duck typing in Python, I fail to understand the need for ABC (abstract base classes). The help is good on how to use them.
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Is there a C++ gdb GUI for Linux? [closed]
Briefly: Does anyone know of a GUI for gdb that brings it on par or close to the feature set you get in the more recent version of Visual C++?
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What are the basic rules and idioms for operator overloading?
Note: The answers were given in a specific order , but since many users sort answers according to votes, rather than the time they were given, here's an index of the answers in the order in which they make most sense:
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Why fragments, and when to use fragments instead of activities?
In Android API 11+, Google has released a new class called Fragment .
11 Answers
11
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How do you calculate the average of a set of circular data? [closed]
I want to calculate the average of a set of circular data. For example, I might have several samples from the reading of a compass. The problem of course is how to deal with the wraparound. The same algorithm might be useful for a clockface.
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Count the number of occurrences of a character in a string in Javascript
I need to count the number of occurrences of a character in a string.
33 Answers
33
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When is -XAllowAmbiguousTypes appropriate?
I've recently posted a question about syntactic-2.0 regarding the definition of share . I've had this working in GHC 7.6 :
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GetType() can lie?
Based on the following question asked a few days ago in SO: GetType() and polymorphism and reading Eric Lippert's answer, I started thinking if making GetType() not be virtual really ensured that an object could not lie about its Type .
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How to delete an item in a list if it exists?
I am getting new_tag from a form text field with self.response.get("new_tag") and selected_tags from checkbox fields with
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When is std::weak_ptr useful?
I started studying smart pointers of C++11 and I don't see any useful use of std::weak_ptr . Can someone tell me when std::weak_ptr is useful/necessary?
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