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- What is the meaning of prepended double colon - Stack Overflow
I found this line of a code in a class which I have to modify: ::Configuration * tmpCo = m_configurationDB; pointer to current db and I don't know what exactly means the double colon prepended to
- What is the lt;= gt; (spaceship, three-way comparison) operator in C++?
This is called the three-way comparison operator According to the P0515 paper proposal: There’s a new three-way comparison operator, <=> The expression a <=> b returns an object that compares <0 if a < b, compares >0 if a > b, and compares ==0 if a and b are equal equivalent To write all comparisons for your type, just write operator<=> that returns the appropriate category type: Return
- What does the :: mean in C++? - Stack Overflow
What does this symbol mean? AirlineTicket::AirlineTicket ()Continue to help good content that is interesting, well-researched, and useful, rise to the top! To gain full voting privileges,
- c++ - How do I find the length of an array? - Stack Overflow
Is there a way to find how many values an array has? Detecting whether or not I've reached the end of an array would also work
- Regular cast vs. static_cast vs. dynamic_cast - Stack Overflow
I've been writing C and C++ code for almost twenty years, but there's one aspect of these languages that I've never really understood I've obviously used regular casts i e MyClass *m = (MyClass
- c++ - How do you loop through a std::map? - Stack Overflow
You'll need to complete a few actions and gain 15 reputation points before being able to upvote Upvoting indicates when questions and answers are useful What's reputation and how do I get it? Instead, you can save this post to reference later
- Storing C++ template function definitions in a . CPP file
Separation of implementation details (aka definitions in foo cpp) from which versions are actually compiled (in foo-impl cpp) and declarations (in foo h) I dislike that most C++ templates are defined entirely in header files That is counter to the C C++ standard of pairs of c[pp] h for each class namespace whatever grouping you use
- How can I get current time and date in C++? - Stack Overflow
The ffead-cpp provides multiple utility classes for various tasks One such class is the Date class which provides a lot of features right from Date operations to date arithmetic
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