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How can I loop through a C++ map of maps?
How can I loop through a std::map in C++? My map is defined as:
9 Answers
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Why is “using namespace std;” considered bad practice?
...her than "big_honkin_name.something"- really cuts down on the typing. Does C++ have something like that?
– paxdiablo
Sep 21 '09 at 3:18
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
I have seen a lot of people in the C++ community(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide chara...
Is the practice of returning a C++ reference variable evil?
... pointers to dynamic memory bad. They both have their legitimate places in C++. Smart pointers should definitely be your default go-to when it comes to dynamic memory management though, but your default smart pointer should be unique_ptr, not shared_ptr.
– Jamin Grey
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Can a local variable's memory be accessed outside its scope?
...edictable, safe world because you chose to break the rules of the system.
C++ is not a safe language. It will cheerfully allow you to break the rules of the system. If you try to do something illegal and foolish like going back into a room you're not authorized to be in and rummaging through a desk...
Is delete this allowed?
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The C++ FAQ Lite has a entry specifically for this
https://isocpp.org/wiki/faq/freestore-mgmt#delete-this
I think this quote sums it up nicely
As long as you're careful, it's OK for an object to commit suicide (delete th...
delete vs delete[] operators in C++
What is the difference between delete and delete[] operators in C++?
7 Answers
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Detecting endianness programmatically in a C++ program
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are you sure this is well defined? In C++ only one member of the union can be active at one time - i.e you can not assign using one member-name and read using another (although there is an exception for layout compatible structs)
– Faisal Va...
Is there a simple way to convert C++ enum to string?
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This is a great solution. I have the most maintainable C++ resource manager that I've ever dealt with.
– DCurro
Jul 5 '14 at 2:45
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C++ STL Vectors: Get iterator from index?
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Also; auto it = std::next(v.begin(), index);
Update: Needs a C++11x compliant compiler
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