Tag: vector

All the articles with the tag "vector".

• push_back vs emplace_back in C++: What's the Real Difference?

  3 Aug, 2026

  Understand push_back vs emplace_back in C++ with working examples. See exactly when emplace_back avoids a copy, when it does not, and which one to use.

• C++ Pass Vector to Function: By Reference, Value, or Const

  9 Jun, 2026

  Learn how to pass a vector to a function in C++ by value, by reference, and by const reference. Understand copies vs references and which to use, with examples.

• C++ Sort Vector of Structs: By Field with std::sort

  9 Jun, 2026

  Learn how to sort a vector of structs in C++ using std::sort with a lambda comparator. Sort by any field, ascending or descending, and by multiple keys.

• C++ STL Containers: Choosing the Right One

  5 Apr, 2025

  Learn which C++ STL container to use and when. Covers vector, list, map, set, unordered_map and more with comparisons, complexity, and real-world examples.