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How does push notification technology work on Android?
...ud Google server. The TCP connection had been initiated by the Google Play application. That's why Google Play must be installed on the device for making Google Cloud Messaging (GCM) (formerly Android Cloud to Device Messaging Service - C2DM) work.
When this TCP client socket receives some message,...
Detect permission of camera in iOS
I am developing a very simple video app. I use the official control: UIImagePickerController.
6 Answers
...
Override devise registrations controller
...can just create your own controller, by generating something like this:
# app/controllers/registrations_controller.rb
class RegistrationsController < Devise::RegistrationsController
def new
super
end
def create
# add custom create logic here
end
def update
super
end
end...
Why does my Spring Boot App always shutdown immediately after starting?
...
Resolution: the app is not a webapp because it doesn't have an embedded container (e.g. Tomcat) on the classpath. Adding one fixed it. If you are using Maven, then add this in pom.xml:
<dependency>
<groupId>org.springframewo...
HTTP Error 503, the service is unavailable
...e user identity is outdated, especially if you've tried starting a stopped app pool and the next request again fails.
In IIS, go to the Application Pools under the Server, then find the correct Application Pool for your web site, and click on it. On the Advanced Settings menu to the right, select ...
Starting iPhone app development in Linux? [closed]
I've heard that you need to get a Mac if you want to develop iPhone apps. Is this true?
17 Answers
...
DisplayName attribute from Resources?
I have a localized application, and I am wondering if it is possible to have the DisplayName for a certain model property set from a Resource.
...
Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
...
Try to use this exact startup tag in your app.config under configuration node
<startup useLegacyV2RuntimeActivationPolicy="true">
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/>
<requiredRuntime version="v4.0.20506" />
...
How does one unit test routes with Express?
.../users', function(){
it('respond with json', function(done){
request(app)
.get('/users')
.set('Accept', 'application/json')
.expect(200)
.end(function(err, res){
if (err) return done(err);
done()
});
})
});
Upside: you can test your entire stac...
Link vs compile vs controller
...ML vocabulary in a declarative fashion for building web components. The ng-app attribute is a directive, so is ng-controller and all of the ng- prefixed attributes. Directives can be attributes, tags or even class names, comments.
How directives are born (compilation and instantiation)
Compile: We...