Learn CPP with Real Code Examples
Updated Nov 27, 2025
Practical Examples
Implement a vector using dynamic memory
Build a multithreaded server using std::thread
Create a class hierarchy for shapes
Develop a mini game engine component
Troubleshooting
Fix segmentation faults using gdb
Resolve linker errors and multiple definitions
Debug template error messages
Detect memory issues with Valgrind
Testing Guide
Use frameworks like Catch2, GoogleTest
Mock dependencies with FakeIt
Test template code separately
Test memory-safety using Valgrind
Deployment Options
Static or shared libraries
Cross-compiling for embedded systems
Packaging using CPack
Deploying executables on Windows/Mac/Linux
Tools Ecosystem
Compilers: GCC, Clang, MSVC
Build tools: CMake, Make, Ninja
Debuggers: gdb, lldb
Profilers: perf, Valgrind, VTune
Integrations
Interfacing with C libraries
Using OpenGL/Vulkan for graphics
Bindings for Python/Rust
Integration with Unreal Engine
Productivity Tips
Use auto keyword wisely
Use CMake presets
Master STL algorithms
Rely on smart pointers
Challenges
Build your own vector container
Implement a simple ECS system
Write a small physics simulation
Build a template-based library