jkb questions

jkb answers

• #pragma once is not working in visual studio
• how can i access an element of a vector of structures
• Are classes namespaces in C++?
• How to store multiple random blobs in a single file?
• std::vector vs dynamic array passing by value
• how do I fix this warning on CodeBlocks IDE, warning: catching polymorphic type 'class std::domain_error' by value [-Wcatch-value=]