In AngularJS you were able to specify watchers to observe changes in scope variables using the $watch function of the $scope. What is the equivalent of watching for variable changes (in, for example, component variables) in Angular? 8 Answers 8
I have a watch function in my AngularJS application. $scope.$watch(‘quartzCrystal’, function () { … } However, after some condition (in my example, changing the page at my single-page application) I want to stop that watch (as like clearing timeout). How can I do that? 6 Answers 6
There is an array of objects in my scope, I want to watch all the values of each object. This is my code: function TodoCtrl($scope) { $scope.columns = [ { field:’title’, displayName: ‘TITLE’}, { field: ‘content’, displayName: ‘CONTENT’ } ]; $scope.$watch(‘columns’, function(newVal) { alert(‘columns changed’); }); } But when I modify the values, e.g. I … Read more
I want to watch a folder on my Mac (Snow Leopard) and then execute a script (giving it the filename of what was just moved into a folder (as a parameter… x.sh “filename”)). I have a script all written up in bash (x.sh) that will move some files and other stuff on input $1 I … Read more
I have a log file being written by another process which I want to watch for changes. Each time a change occurs I’d like to read the new data in to do some processing on it. What’s the best way to do this? I was hoping there’d be some sort of hook from the PyWin32 … Read more
I’m looking for the best way to duplicate the Linux ‘watch’ command on Mac OS X. I’d like to run a command every few seconds to pattern match on the contents of an output file using ‘tail’ and ‘sed’. What’s my best option on a Mac, and can it be done without downloading software? 12 Answers 12
I have a service, say: factory(‘aService’, [‘$rootScope’, ‘$resource’, function ($rootScope, $resource) { var service = { foo: [] }; return service; }]); And I would like to use foo to control a list that is rendered in HTML: <div ng-controller=”FooCtrl”> <div ng-repeat=”item in foo”>{{ item }}</div> </div> In order for the controller to detect when … Read more
