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Mercurial move changes to a new branch
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Should I pass an std::function by const-reference?
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Python : List of dict, if exists increment a dict value, if not append a new dict
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Globally override key binding in Emacs
... @alper I suggest that you post a question with all of the relevant details, including the code you're actually using, and a specific example/recipe to reproduce the problem.
– phils
Dec 30 '19 at 11:14
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How to declare a structure in a header that is to be used by multiple files in c?
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Why do we need fibers
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When should we use Observer and Observable?
...ou to all the official design patterns anyway, so look at them for further details):
If you want to have a class which is monitored by other classes in the ecosystem of your program you say that you want the class to be observable. I.e. there might be some changes in its state which you would want ...
Avoid duplicates in INSERT INTO SELECT query in SQL Server
... options, the LEFT JOIN/IS NULL is less efficient. See this link for more details.
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Unpacking, extended unpacking and nested extended unpacking
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Difference between private, public, and protected inheritance
...sterClass(window_descriptor w);
};
private member
Keep implementation details
class window {
private:
int width;
};
Note that C-style casts purposely allows casting a derived class to a protected or private base class in a defined and safe manner and to cast into the other direction too...