math in java – what does ” %” do?

% is the Modulus operator. For Java Modulus: For example: 10 % 3 is equal to 1. To visually see this – You can think of it as “How much would I have to subtract to the value on the left in order to make it evenly divisible by the right hand value?” And yes, actually it’s … Read more

Officially, what is typename for?

Following is the quote from Josuttis book: The keyword typename was introduced to specify that the identifier that follows is a type. Consider the following example: Here, typename is used to clarify that SubType is a type of class T. Thus, ptr is a pointer to the type T::SubType. Without typename, SubType would be considered a static member. Thus would be a multiplication of value SubType of type T with ptr.

Error: No viable overloaded =

Your code should be You are allocating an object on heap using new operator which returns pointer to the object created and you are trying to assign a pointer to an object. Better alternative here would be allocate object on stack which you are doing it already. MemberListEntry mEntry(id, port); This creates and initializes the … Read more

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)