Filter a dashboard using a URL query string parameter?

Dashboard filters can be passed through the URL query string. For specifics on how this is accomplished please refer to Passing filters through the dashboard. 

The syntax for passing a dataset filter to the dashboard is: http://.../dashboard.html?dsfilter={1:2:3:4} where the values in the curly brackets are as below:

1. The dataset id
2. The column id within the dataset
3. The value(s) to test for
4. The operator
   0 = EQUALS
   1 = INLIST
   2 = BETWEEN
   3 = NOT_EQUALS
   4 = NOT_INLIST
   5 = NOT_BETWEEN
   6 = GREATER_THAN
   7 = LESS_THAN