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Questions tagged [messaging]

Messaging refers to the design pattern whereby discrete messages are used for communication between objects or processes. Messages can be simple data, complex data structures, or even code. This pattern is often used for asynchronous or parallel computing.

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How Can We Read Incoming SMS by using Application in iOS

In my application I am able to send an SMS programatically to a particular mobile number when the user clicks submit button. Then there is a response message from that mobile number now I want to read that message and populate that SMS text in to…
Suresh Peddisetti
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Delaying the creation and dispatch of domain events

I've been using the Domain Events pattern for some time - it enables us to encapsulate as much behaviour in our domain layer as possible and provides a nice way for other parts of our application to subscribe to domain events. Currently we're using…
Ben Foster
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Sending messages from other languages to an IPython kernel

Does anyone have any experience of communicating with IPython kernels from outside of Python? If I were trying to send messages from a Python app to an IPython kernel, I'd use the zmq.kernelmanager API. As it is, I'll obviously need to write my own…
Benjamin Hodgson
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Android GCM error. Server returns Not Registered when client IS registered

I followed the demo given at http://developer.android.com/google/gcm/gs.html and got a trial application, GCMTrial to work correctly. But, i tried to follow the same steps on an existing application but it didnot work. So I made an entirely new…
user1657709
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How to implement a competing consumer solution?

As a exercise I'm trying to find an example which implements competing consumer. many producers - > MSMQueue <- competing consumers So far I did not find any documentation on how to achieve this. My first attempt to figure out how is implemented…
ruslander
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Logging vs. Debugging

Background: I've inherited a web application that is intended to create on-the-fly connections between local and remote equipment. There are a tremendous number of moving parts recently: the app itself has changed significantly; the development…
Adam Liss
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messaging().onNotificationOpenedApp is never triggered, messaging().getInitialNotification() is triggered but remoteMessage is always null

I'm using react-native-firebase v6.4.0. I successfully registered a background handler with setBackgroundMessageHandler and everything works fine. Now I'm trying to handle notification tap when the app is in background/quit and I'm using…
Stefano Martella
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Passing messages between remote MailboxProcessors?

I'm using MailboxProcessor classes in order to keep separate agents that do their own thing. Normally agents can communicate with one another in the same process, but I want agents to talk to one another when they are on separate processes or even…
Dmitri Nesteruk
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RabbitMQ using custom headers to store message-parameters

I'm new to RabbitMQ, and I'm somewhat lost in the documentation. Currently, as an example, I'm trying to build a small mailer-service that listens to a queue, but I'm somewhat stuck on where I should put the parameters that my service has…
mhtsbt
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How to publish messages asynchronously to MSMQ in .NET Core?

There doesn't seem to be a client available, or maybe I'm just looking in the wrong namespace. How is this expected to be done, or is the answer that I have to find another message service?
Jeremy Holovacs
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Best way to store chat messages in elasticsearch

We are currently implementing an Instant Messaging system on our platform. We need to provide our users a chat history and be able to show the last 5 conversations that user had ( preview like on facebook). ipso facto we necessarily need to think…
daley
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Trouble with RabbitMQ fanout exchange

I am able to create a fanout exchange using the Publish/Subscribe RabbitMQ Java tutorial, and any connected consumer will receive a copy of a message. Instead of declaring an exchange and binding dynamically/programmatically, I would like to create…
littleK
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How does AMQP overcome the difficulties of using TCP directly?

How does AMQP overcome the difficulties of using TCP directly when sending messages? Or more specifically in a pub/sub scenario?
user1577433
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Job processing via web application: real-time status updates and backend messaging

I would like to implement an (open source) web application, where the user sends some kind of request via his browser to a Python web application. The request data is used to define and submit some kind of heavy computing job. Computing jobs are…
Dr. Jan-Philip Gehrcke
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socket.io and node.js to send message to particular client

Sending message to all client works well but I want to send message to particular username. my server.js file looks like. What it does is when http://localhost:8080 is run, the client code adds user to the object usernames as well as in socket…
WatsMyName
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