[Seaside] seaside by example RPN example

Nicolai Hess nicolaihess at gmail.com
Thu Dec 15 13:46:44 UTC 2016


anyone knows the seaside example from the pharo by example book:


    location: 'http://www.squeaksource.com/SqueakByExample'
    user: ''
    password: ''

I can not get it to work. On Seaside 3.0 you need to change the class
because the application registration had changed.
But despite that, the calculator does not work. Everytime I push on a number
I get a empty-collection-error.
I don't understand why, because the rendering of the calculator stack
calls a method ensureStackMachineNotEmpty, that puts a 0 onto the stack.
Now, pushing a keypad button for a number, will pop this element and
convert both
the existing number and the new number to a new number.
But somehow the stack is empty, eventhough we call

Anyone has experience with this example or can find out what is wrong ?
I don't have much experience with seaside.

thanks in advance.
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