rahman questions

• initialize std::map value when its key does not exist
• cout print hex instead of decimal
• unique_ptr autocomplete in eclipse
• how to keep track of the current position in std::stringstream
• How to hide database password in config file
• what is a good place to put a const in the following C++ statement
• Gson can't deserialize inherited class?
• How to initialize a static member object?
• How to sort a std::set with const getters
• How to handle free() errors in C?

rahman answers