Madrid's C++ meetup is organizing a Coding Dojo at Tuenti's HQ (calle Valverde, ID required).
Organized by C++ Madrid
Several katas will be proposed by Manu Sánchez, Diego Rodríguez-Losada and Esteve Fernández which will be solved and discussed in common. Read more in the link above [in Spanish].
We've got a full house already!! Thanks for your interest.