How can I overload equal method to make different objects have same hashcode value in unordered_multimap?
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I have written a map like this: unordered_multimap<Point, int, StrHash, StrCompare> map StrHash() is to create hashcode and StrCompare() is to solve the hashcode collision. but I want to do something as follow: A and B have different hashcode value,but A equal to B, then run the StrCompare() method. how can I do that,just like Point A(220,119) and Point B(220,220) have different hashcode. Can I overload hashcode equal method to make A == B? In my case, I want to get the Points,which compare...
Answer:
Got to say this as it's so much easier if your error tolerance will allow it: you could just round your...
GKG DTH at Stack Overflow Mark as irrelevant Undo
Other solutions
QUESTION: Hello, I need to read a delimited file and then extract fields and other information that i want to store into a template class object. Every field will go to a template class object instance, with a type that can be different for each field...
Answer:
Hello Daniel. If I understand correctly, the campos represents a field (meaning a column) of data from...
Miningco.com Mark as irrelevant Undo
what will happen if we override the hashCode method? I do know that hashCode will be the same for two objects, that means there is only one object in the memory ??? what is the need for XOR operation done on variables of my class during returning hashCode...
Answer:
If you want people to do your homework for you, you could at least try to provide more detailed information...
praveen at Yahoo! Answers Mark as irrelevant Undo
in the class Object, the hashcode() method has no body. How does it generate hashcodes for Objects without us overriding the hashcode() method
Answer:
I think you mean "Java", right? The hashCode() method is declared "native", which...
PGXKVEHZIA22CHETAIFQU5R2DE at Yahoo! Answers Mark as irrelevant Undo
in the class Object, the hashcode() method is abstract and has no body. How does it generate hashcodes for Objects before we override the hashcode() methodt if the hascode() ...show more
Answer:
An abstract method has no body. It is meant for you to override the method in another class that inherits...
PGXKVEHZIA22CHETAIFQU5R2DE at Yahoo! Answers Mark as irrelevant Undo
The title might sound confusing, so here is what I want to do: I am currently working on a school project, and I have to make a rock, paper, scissors game. I am almost done and only need one more thing. I have two methods (bigWinner and finalResult)...
Answer:
For your bigWinner method, you are passing in the totalwins and totallost variables, so they must exist...
Shifat Taushif at Yahoo! Answers Mark as irrelevant Undo
Right, I have two questions. First - I'm making a website, and need some help. I've created a dropdown menu but want the button that directs you to the choice a picture, instead of text. Here is what I have atm: http://i40.tinypic.com/j6o1ms.jpg I want...
Answer:
For your first question, you need to use CSS. A quick example would be: .button { background-image:...
Liam at Yahoo! Answers Mark as irrelevant Undo
I am currently working on this problem for a class and i can't get passed the part where i have to make a constructor. Can anybody show me how to do this problem or explain to me how to make a constructor? Thank you! Write the definition of a class Counter...
Answer:
class Counter { int counter ; void increment() { counter++ ; } void decrement() { counter-- ; } int...
Chris at Yahoo! Answers Mark as irrelevant Undo
1) When we override equals() method, we send object as argument. a)What would happen if we send a primitive? b) What would happen if we send something other than object? 2) Should we use instanceof and casting the object argument into corresponding class...
Toby Thain at Quora Mark as irrelevant Undo
<?xml version= "1.0" encoding= "UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtm… <html xmlns= "http://www.w3.org/1999/xhtml" xml:lang...
Dominic at Yahoo! Answers Mark as irrelevant Undo
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