Vectors

Stack vs Heap in C++: Supercharge STL Performance with Preallocation

Stack vs Heap in C++: Supercharge STL Performance with Preallocation

Think you’re writing fast C++? Think again. If you’re using STL containers like std::vector or std::unordered_map without thinking about …

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C++ Heap Memory Pitfall: Why Returning Pointers Can Break Your Code

C++ Heap Memory Pitfall: Why Returning Pointers Can Break Your Code

Not long ago, I was knee-deep in a debugging session, staring at a strange log line that made no sense: # Formatted Obj: �)y�. At first, I assumed a …

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Rust `match` Tips: Handling Vectors by Length

Rust match Tips: Handling Vectors by Length

You’re writing a Rust function that takes a Vec<T> and depending on how many elements are in it (say 1 to 4), you want to do different …

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