Figo questions

• Overflow over scanf("%8s", string)?
• gcc stack optimization
• What happens to other thread when one thread get blocked?
• Why does the crypt() function not have a memory leak?
• What are common approaches to meaningful function return values?
• algorithm to parse string with dictionary
• stl map operator[] bad?
• C++ std::set update is tedious: I can't change an element in place

Figo answers