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How do I use $rootScope in Angular to store variables?
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Sharing data between controllers is what Factories/Services are very good for. In short, it works something like this.
var app = angular.module('myApp', []);
app.factory('items', function() {
var items = [];
var itemsService = {};
itemsService.add = function(it...
postgresql port confusion 5433 or 5432?
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/etc/services is only advisory, it's a listing of well-known ports. It doesn't mean that anything is actually running on that port or that the named service will run on that port.
In PostgreSQL's case it's typical to use port 543...
Detect whether there is an Internet connection available on Android [duplicate]
...ityManager connectivityManager
= (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
return activeNetworkInfo != null && activeNetworkInfo.isConnected();
}
You will also need:
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What's the correct way to communicate between controllers in AngularJS?
...r local $scope gets destroyed. This is because controllers (in contrast to services) can get instantiated multiple times over the lifetime of an application which would result into bindings summing up eventually creating memory leaks all over the place :)
To unregister, just listen on your $scope's...
Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
... new bundle as an alternative.
December 14th, 2018 -- Updated MSVC2008 for Service Pack 1's 9.0.30729.6161 update per Jim Wolff's findings
November 27th, 2018 -- Updated info for MSVC2017 v. 14.16
September 12th, 2018 -- Added version caveat to 2012 Update 4 per Wai Ha Lee's findings
August 24th,...
Call AngularJS from legacy code
... the ng-controller instance.
From the injector you can get a hold of any service in angular application. Similarly from the scope you can invoke any methods which have been published to it.
Keep in mind that any changes to the angular model or any method invocations on the scope need to be wrappe...
Efficiently test if a port is open on Linux?
... sending an email, exiting the script on failure, or starting the required service.
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Openstreetmap: embedding map in webpage (like Google Maps)
...s such as markers, with plugins it also supports routing using an external service.
For a simple map, it is IMHO easier and faster to set up than OpenLayers, yet fully configurable and tweakable for more complex uses.
share...
Firebase Storage How to store and Retrieve images [closed]
...allows you to upload images and other non-JSON data to a dedicated storage service. We highly recommend that you use this for storing images, instead of storing them as base64 encoded data in the JSON database.
You certainly can! Depending on how big your images are, you have a couple options:
1. ...
AngularJS - Access to child scope
...rties in parents and access them from children (read the link above)
Use a service to share state
Pass data through events. $emit sends events upwards to parents until the root scope and $broadcast dispatches events downwards. This might help you to keep things semantically correct.
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