I'm trying to find the largest value in a std::map, which would be the last node in the tree (since std::map keys are sorted).
I have a question, please go through the following simple C++ program,Output:How does sptr1 and sptr3 objects know reference count is incremented as it prints 4.
C++14 final working draft makes the following comment about std::vector:Storage management is handled automatically, though hints can be given to improve efficiency.
Quote from cppreference.com:Adding template specializationsIt is allowed to add template specializations for any standard library |class (since C++20)| template to the namespace std only if the declaration depends on at least one program-defined type and the specialization satisfies all requirements for the original template, except where such specializations are prohibited.
A simple program:Compiling as C gives no errors and no warnings.Compiling as C++ gives a warning:In both cases variable i seems to be 0, although in c++ it could be uninitialized. I actually made such a typo in one of my functions and it was quite hard to find it....
Suppose I have a vector<int> myVec; and I want to convert it to a set, I can have a one liner-This is something that can be found easily.
R's summary function works really well on a dataframe, giving, for example:What I'd like to do is modify the function so it also gives, after 'Mean', an entry for the standard deviation, the kurtosis and the skew.
In some cases, see one example below, std::is_floating_point is returning false for float.Output from GCC
I am trying to overload the operator + and += for std::vector, and what I do isBut I assume this is bad practice, because clang-tidy warns me "Modification of std namespace can result in undefined behavior". Is there other better practice in overloading operator for STL classes?
I have recently started relearning C++ as I have not been coding in C++ for more than a decade. I have rarely used the STL, even when I worked at SGI, and I want to master it. I have ordered a book and I am currently running different online tutorials.