Two user inputs that alter each other
I have a user interface with two numeric input boxes, send amount and receive amount. The values are in different currencies and are related by an exchange rate. That is, receive amount should always be send amount * exchange rate. But the user is allowed to click into either input box and modify the value, which causes the other value to be updated.
Observer pattern: Prevent multiple firings on changed internal property
I have an object Foo that has 2 public properties: A and B.
Observer pattern: Prevent multiple firings on changed internal property
I have an object Foo that has 2 public properties: A and B.
Observer pattern: Prevent multiple firings on changed internal property
I have an object Foo that has 2 public properties: A and B.
Observer pattern: Prevent multiple firings on changed internal property
I have an object Foo that has 2 public properties: A and B.
Observer pattern: Prevent multiple firings on changed internal property
I have an object Foo that has 2 public properties: A and B.
Observer pattern without state change?
My question is whether there is a similar pattern to Observer that does not imply a state change in the observed object. The following is a concrete example:
Observer pattern without state change?
My question is whether there is a similar pattern to Observer that does not imply a state change in the observed object. The following is a concrete example:
Observer pattern without state change?
My question is whether there is a similar pattern to Observer that does not imply a state change in the observed object. The following is a concrete example:
Observer pattern without state change?
My question is whether there is a similar pattern to Observer that does not imply a state change in the observed object. The following is a concrete example: