Alok questions

• how does random access of an element in deque gives constant time complexity? [duplicate]
• implementation of shrink_to_fit for string and vector are different?
• why std::lock() supports deallock avoidence but std::try_lock() does not?
• why Vector doesn't provide the remove() member function while list provides?
• how to determine the size of virtual base class and derived classes from it?
• If a thrown exception is always a copy of the exception object, why isn't this copy constructor being invoked?
• Possible memory leak without a virtual destructor?
• Can i copy 'vector' elements in 'set' using the copy algorithm?
• Please help me to understand the difference between streambuf, stringbuf and stringstream?
• Why can std::get() not be used to get members of a vector?

Alok answers