Program that holds evidents of students in a group. For every student u need: first name, last name and grade. to add a new student in the group, to delete a student from the group, to identifiy student "X" and to be deleted, to identifiy the students for scholarship grade>8.00, ordering the students by grade, ..
Category : c++11
I have a line of code which does both assignment and condition. I could split it into two lines but I’m just curious about the error message thrown. if ( parameters->__size = m_Elements.size() ) Got this error: suggest parentheses around assignment used as truth value [-Werror=parentheses] I tried: if ( (parameters->__size) = (m_Elements.size()) ) The ..
How should binary operator be overloaded, CMyClass operator-(const CMyClass& oMyClass) const or CMyClass operator-(const CMyClass& oMyClass) What is the difference between both, Can the first call replace the second one completely. I have found that using the second one only I wont be able to add const MyClass as LHS. #include <iostream> class CMyClass { ..
I want to ask how a template class could have Variadic Parameter Packets. I’m writing a template creator for building template objects. and the object must accept 2 variadic parameter packets. If I have specialize the object, this object would be created, otherwise, an empty object be returned from the creator. Here is the demo ..
In "Class A", I have a function named "IsTestEMRCreated". From "Class B", I need to invoke the method "IsTestEMRCreated" I was asked to create a Factory method in "Class A" and using that factory method or class, invoke "IsTestEMRCreated" from "class B". I never used Factory method. Could someone please help me on this. Source: ..
There is no problem when I input a number smaller than 12 but when I input something bigger the code returns with no output without any error. What’s the problem? Here are some sample screenshots – [Input greater than 12][1] [Input less than 12][2] More Information – Actually this is an Question from project Euler ..
I’m trying to understand more move semantic. Now this is a possible implementation of std::move: template <typename T> typename std::remove_reference<T>::type&& move_(T&& obj) { return static_cast<typename std::remove_reference<T>::type&&>(obj); } But I’ve edited it a bit to understand its workings: template <typename T> typename std::remove_reference<T>::type&& move_(T&& obj) { if(std::is_lvalue_reference<decltype(obj)>::value) return static_cast<typename std::remove_reference<T>::type&&>(obj); return obj; // dones’t work? // ..
I am using the new M1 MacBook Pro and I am setting up my development environment. I have installed gdb using homebrew, though I am unable to compile using cc. What software am I missing? Note: I do not want to use gcc/g++, I want to use Clang specifically. See below for an example of ..
I am working on a c++ program, however, the size of the program is huge. I was wondering if there is any way in which I can reduce the program size. For example, if js, one can import and export function, so can we do the same in c++ as well? If there is a ..
I’m solving the max Subarray problem with recursion but I’m getting a runtime error. I cannot figure out what the problem is. Please help me understand if you get it. Please help me with the same: class Solution { public: int cross(vector<int>a, int l, int m, int h) { int ls=INT_MIN; int sum=0; for(int i=m; ..
Cazare Cristian Brasov
Recent Comments