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What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
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Every instance of that oddity is paired with a case of a regular single ellipsis.
template<typename _Res, typename... _ArgTypes>
struct _Weak_result_type_impl<_Res(_ArgTypes...)>
{ typedef _Res result_type; };
template<typ...
Pickle or json?
I need to save to disk a little dict object whose keys are of the type str and values are int s and then recover it . Something like this:
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How to delete a file via PHP?
How do I delete a file from my server with PHP if the file is in another directory?
6 Answers
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SQlite Getting nearest locations (with latitude and longitude)
I have data with latitude and longitude stored in my SQLite database, and I want to get the nearest locations to the parameters I put in (ex. My current location - lat/lng, etc.).
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Why would you use an ivar?
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If the ivar is private, the other parts of the program can't get at it as easily. With a declared property, the clever people can access and mutate quite easily via the accessors.
Performance
Yes, this can make a difference in some cases. Some programs have constraints where they can not use ...
Multiple file upload in php
...pload multiple files and store them in a folder and get the path and store it in the database... Any good example you looked for doing multiple file upload...
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Given a view, how do I get its viewController?
I have a pointer to a UIView . How do I access its UIViewController ? [self superview] is another UIView , but not the UIViewController , right?
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How to implement a queue with three stacks?
I came across this question in an algorithms book ( Algorithms, 4th Edition by Robert Sedgewick and Kevin Wayne).
5 Answ...
C#: Printing all properties of an object [duplicate]
Is there a method built in to .NET that can write all the properties and such of an object to the console? Could make one using reflection of course, but I'm curious to if this already exists... especially since you can do it in Visual Studio in the Immediate Window. There you can an object name (wh...
Using generic std::function objects with member functions in one class
... map storing std::function objects. But I fail right at the beginning with this code:
6 Answers
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