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c++: Format number with commas?

I want to write a method that will take an integer and return a std::string of that integer formatted with ... (Bonus would be to handle doubles as well.) Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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c++: why the restriction on offsetof() for non-standard layout objects, or how to recover parent from pointer-to-member

I have a situation where I have a pointer to a data member, and from that, wish to recover the address of ... the-restriction-on-offsetof-for-non-standard-layout-objects-or-how-t...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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