Questions tagged [subscriber]

272 questions
1
vote
1 answer

Angular7 Subscriber is not a function

//myService.ts //customhttpservice is just an observable returning http request response. public getCPData(): Observable { if (localStorage.getItem('resind')) { return of(JSON.parse(localStorage.getItem('resind'))); } else { …
Deadpool_er
  • 215
  • 4
  • 20
1
vote
2 answers

How to reference self in a Subscriber in Combine in Swift

Just getting to grips with Combine and have come across an issue where I need to call a method in my class when it receives a value from a Publisher, in this case a Notification from NotificationCenter... Here's the subscription... let subscribe =…
Cocoadelica
  • 3,006
  • 27
  • 30
1
vote
2 answers

Angular - Check if all Subscriber in a list are finished

I use an interval to post a variable amount of data in a forEach loop to a backend. What I want to do is: If the first call of the post method is not finished but the interval already wants to call the method a second time, the call should be…
WeSt
  • 889
  • 5
  • 14
  • 32
1
vote
2 answers

RxJava using multiple observable (api calls) per one execution

I have something like: private Single> getFirstApiResponse() { return Single.just(....) ///// .subscribeOn(Schedulers.io()) .observeOn(AndroidSchedulers.mainThread()); } private Single
Mike
  • 79
  • 2
  • 9
1
vote
1 answer

How to solve the java.lang.IllegalStateException: Only one connection receive subscriber allowed

I used spring-cloud-gateway to build the gateway service, but when the service receives the POST request, this exception occurs: "java.lang.IllegalStateException: Only one connection receives subscriber allowed". How to solve this? Below is my code.…
1
vote
2 answers

how can I use shopware event-subscriber properly

I've created a custom plugin SwagStartup in Shopware, and it works by calling an url like "shopware.project/myDemo". Then I tried to define/use event subscriber in this plugin, following is the code:
nweicp
  • 107
  • 1
  • 7
1
vote
2 answers

MQTT client subscribing data from RTI DDS publisher

Is it possible to make Mosquito Mqtt and RTI DDS to talk to each other? I want my Mqtt subscriber to subscribe data from DDS publisher or vice-versa.
1
vote
1 answer

Subscribing to a ROS sensor_msg/Image using python

I'm trying to subscribe to a ROS node published by a vrep vision sensor. Here is my code, which works fine when using my built-in webcam: import rospy from sensor_msgs.msg import Image from std_msgs.msg import String from cv_bridge import CvBridge,…
Moritz
  • 352
  • 1
  • 3
  • 15
1
vote
3 answers

Symfony 4 Doctrine EventSubscriber not used

Trying to register a Doctrine EventSubscriber but nothing is ever actually fired. I have, on the Entity, in question, set the @ORM\HasLifeCycleCallbacks annotation. Here's the Subscriber:
MattBoothDev
  • 1,294
  • 2
  • 15
  • 25
1
vote
0 answers

spring integrationflow does not set the message listener on receivercontainer

We use spring-integration (4.3.12) together with spring-amqp(1.7.4) to send and receive messages between micro services. To keep out the integration/amqp configuration stuff out of the micro services, we want to use a library containing…
LST
  • 11
  • 2
1
vote
1 answer

Observing a function in Angular 5

I think I don't understand Observables. I've got 2 components ChartsComponent and let's say AppComponent. AppComponent fetches info from database and passes it through ChartsService to ChartsComponent to paint it. Thing is ChartsComponent's selector…
LoloSSS
  • 91
  • 2
  • 12
1
vote
1 answer

How publisher-subscriber configurations can be included in a single app.config?

I am writing a simple server (publisher) and client (subscriber) application to imagine inter-process communication between two managed C# processes. I need to write a server (that's working as a publisher) that will publish the contents to the…
Usman
  • 2,742
  • 4
  • 44
  • 82
1
vote
1 answer

Symfony 3.3 - Services.yml Argument (ResponseFactory) - Parameter Being Passed In As String Instead of Object

The Error Hello, I am getting the following error: Type error: Argument 2 passed to ApiExceptionBundle\EventListener\ApiExceptionSubscriber::__construct() must implement interface ApiExceptionBundle\Component\Factory\ResponseFactoryInterface, string…
khgm13
  • 63
  • 7
1
vote
0 answers

Symfony - No Extension Is Able To Load The Configuration (Subscriber/Event Listening) (REST API Exception Handling with JSON output)

Purpose Hello, I am fairly new to Symfony and am trying to create an exception/error handling functionality for our Web API. Requirements When a user makes an invalid request to our API, we want to return a simple JSON object that looks something…
1
vote
1 answer

TokBox: How resize subscriber video image, always 320x240

In my client subscriber initialization, I set the video height and width to 100%. The parent container is set to 366x274 but the video remains at 320x240. I've tried setting clientSubscriber.element.style.width and height but it just repositions…
Velocedge
  • 1,222
  • 1
  • 11
  • 35