Alexander Balabin questions

Alexander Balabin answers

• Piping a data file with cat to a C++ program
• How to define a nested class outside its parent in C++
• Why do I make "use of deleted" function when passing a std::ofstream as parameter? [duplicate]
• Multiple inheritance and unique_ptr destruction
• Regex to match only some filenames
• Behavior of Insert and Upsert in KDB
• Converting a lambda expression with variable capture to a function pointer [duplicate]
• KDB/Q: how to loop without loops?
• Direct-initializing an object inside a condition
• Why does random extra code improve performance?