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difference between ModelMap and Map

 
Greenhorn
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what is the use of ModelMap. how is it useful than Map. or in which cases it is more useful than map
 
Author
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IntelliJ IDE Ruby
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Did you read its documentation? It supports chained calls.
 
neil johnson
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David Newton wrote:Did you read its documentation? It supports chained calls.



can you elaborate the use
 
David Newton
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Elaborate how? Its methods return itself, so you can chain calls.
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