Daniel Langr

Questions Linux Laravel Mysql Ubuntu Git Menu

HTML CSS JAVASCRIPT SQL PYTHON PHP BOOTSTRAP JAVA JQUERY R React Kotlin

Daniel Langr has asked 72 questions and find answers to 179 problems.

Stats

About

Daniel Langr questions

Why string::replace does not specify allocator's exceptions in C++11?
GCC does not generate machine code for out-of-class defaulted copy constructor
GCC generates test for nonzeroness even if the zero value is guaranteed
std::construct_at vs placement new; additional move/copy constructor call
Why destructor needs to be accessible even when it is not called?
Why std::allocator<T>::allocate calls ::operator new?
Why is std::array<T,0> sized and aligned according to T in libc++?
Can a file stream destructor throw an exception in C++?
When to provide custom swap function in C++?
Private operator delete triggers compile-time error with GCC and Clang but not with MSVC

Daniel Langr answers

Why does t+=i+'a' give the correct output while t=t+i+'a' gives an error?
beginner questions about class and objects
Open MP : Symmetric matrix multiplication for Sparse matrices
Why does a friend operator require const-ness on its operands while a member operator does not?
Can b&&0 be optimized
why inserting into set with same amount has different runtimes based on different approaches?
Threads, how to seed random number generator independently?
Get type contained in variant at run time in C++?
Seemingly compiler-specific failure to convert 64 bit bitset to binary string representation
Thread-specific variables when using parallel algorithms