Category: C++

Store dynamic arrays with std::vector — the go-to sequence container.

Use std::list for splice-friendly doubly linked lists.

Use deque for efficient push/pop at both ends.

Read/write files with fstream family.

Use getline for text and binary modes for raw bytes.

Split declarations into headers with include guards/#pragma once.

Grant non-member functions access to private members when needed.

Share class-scoped data/functions with static members.

Mark methods const when they don’t modify object state.

Write generic functions/classes with templates.