Tag: fundamentals

All the articles with the tag "fundamentals".

• Storage Classes in C++: static, extern, thread_local, and mutable

  20 Aug, 2026

  Understand storage classes in C++ with working examples. Learn how static, extern, thread_local, and mutable control a variable's lifetime, scope, and linkage.

• How to Swap Two Numbers in C++: 4 Methods Explained

  3 Jun, 2026

  Learn how to swap two numbers in C++ using a temp variable, std::swap, references, and arithmetic. Clear beginner examples showing when to use each method.