José D. questions

• Sort-related algorithm (replace each item by its index in the sorted colletion)
• This programs takes a long time to close after the 'return;' on main()
• Relation between sigma and radius on the Gaussian blur
• Sealed must be used with override?
• Java generic method. Why is T deduced to be Map?
• Sort a std::vector by type
• `std::sin` is wrong in the last bit
• const char * VS char const * const (Not about what is const)
• Use variables declared inside do-while loop in the condition [duplicate]
• Try / Try-with-resources and Connection, Statement and ResultSet closing

José D. answers