Joel questions

• Calling command prompt from Qt application without freezing?
• How do 'malloc' and 'new' work? How are they different (implementation wise)? [duplicate]
• Returning different data type depending on the data (C++)
• Use registry to startup a program, and also change the current working directory?
• Is using string.length() in loop efficient?
• How do you determine the size of an object in C++?
• Difference between native and managed code?
• Practical uses of different data structures [closed]
• What should main() return in C and C++?

Joel answers