flutter – FirebaseMessaging.instance.getInitialMessage return null message when I click on notification

I use Firebase messaging in my Flutter app , when I click on the notification background , I want to go to another specific screen so FirebaseMessaging.instance.getInitialMessage() triggered but message returns null . And for foreground notification I use onMessageOpenedApp when I click on the notification , onMessageOpenedApp doesn’t trigger . Here is the object … Read more

java – Post mapping doesn’t work (message): “could not execute statement)

I am trying to create simple Rest project. When Post request is generated there is an error: HTTP/1.1 500 Content-Type: application/json Transfer-Encoding: chunked Date: Sun, 19 Jun 2022 14:33:09 GMT Connection: close { “timestamp”: “2022-06-19T14:33:09.368+00:00”, “status”: 500, “error”: “Internal Server Error”, “trace”: “org.springframework.dao.DataIntegrityViolationException: could not execute statement; SQL [n/a]; constraint [null]; nested exception is org.hibernate.exception.ConstraintViolationException: … Read more

php – Google Wallet Error Message (some Domain Error)

I am trying to generate a generic pass in Google Wallet but I get this error message: class POST response: { “error”: { “code”: 403, “message”: “Permission denied.”, “errors”: [ { “message”: “Permission denied.”, “domain”: “walletobjects”, “reason”: “permissionDenied” } ] } } object GET or POST response: { “error”: { “code”: 403, “message”: “Permission denied.”, … Read more

javascript – in nodejs+express how to prevent socket.io from returning all multiple added chat messages twice? and only return the single added message once

[I am trying to make a littlechat with socket.io + node express, the problem is that when emitting the socket it returns in the browser not only the message that I have added, but all the previous ones, so that in the browser view I only have correct messages added i have to refresh the … Read more

.net core – Send SignalR message to a specific user

I have a Blazor wasm application that uses SignalR to send messages to clients. When sending message to all clients, everything works fine. In order to send messages to particular clients, I wanted to create a group for each client: public override async Task OnConnectedAsync() { //enter code here to keep track of connected clients … Read more

How to Leverage Method Chaining To Add Smart Message Routing in Java

We are going to use the open-source serialization library Chronicle Wire. Let’s assume we have some data that we want to send to a particular destination; we don’t want to pollute our business data structures with the routing information. In the future, the routing information could be removed or changed based on external factors such … Read more

Sending Posix message via pipe

Sending Posix message via pipe I have the following file called helper.h, which I want to call in server and client files later. Code: #ifndef HELPER_H #include <iostream> … Read more