angularjs fb like don't render value - facebook

Question

I've a strange behavior with this code
.controller('ContestantCreateCtrl',function($scope,CONFIG) {
$scope.shareurl = 'https:'+CONFIG.site.absoluteUrl+'/';
})
.directive('btFbParse', function () {
return {
restrict:'A',
link:function (scope, element, attrs) {
console.log(scope.shareurl);//it works
if(scope.facebookIsReady){
FB.XFBML.parse();
}
}
};
})
if in the view I set up
<div class="fb-like" data-href="https://my-dev.me/public/" data-width="120" data-colorscheme="light" data-layout="standard" data-action="like" data-show-faces="true" data-send="false"></div>
<div bt-fb-parse></div>
it works
but if in the view I set up
<div class="fb-like" data-href="{{shareurl}}" data-width="120" data-colorscheme="light" data-layout="standard" data-action="like" data-show-faces="true" data-send="false"></div>
<div bt-fb-parse></div>
I get form facebook api
"/plugins/error/api?code=100&message=The+href+URL+must+be+absolute&hash=AQDVWDuDsG3_aVQh
I tried also with
scope.$apply()
in the directive the fb like works but angular show me
a Error: $digest already in progress
I don't know which way to turn ....
Update
with
_.defer(function(){
scope.$apply();
FB.XFBML.parse();
});
it works :)
thanks to https://stackoverflow.com/a/17958847/356380