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91
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Add custom events in components
Dioxus components can add EventHandlers on predefined Node attributes
eg:
fn app() -> Element {
let mut moveCount = use_signal(|| 0);
rsx! {
h1 { "Mouse mouvement counter: {...
Advice
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46
views
How to show push notifications in Angular 17 when receiving SSE events (even with the browser tab inactive)?
I'm using Angular 17 and Spring Boot 3.3.0, and I have Server-Sent Events (SSE) working on both the backend and frontend.
I need to display a push notification in Angular whenever a new SSE event is ...
2
votes
1
answer
105
views
How to connect a callback to "Reset original view" event in Matplotlib?
I would like to connect onTool() callback to "Reset original view" event, i.e. clicking on "home" icon in the bottom left corner of Matplotlib figure. I tried several options ...
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Approach for Handling CRUD Operations with Two Related DataGridViews and Save Changes Button
In a C# desktop application I have two related DataGridViews (dgvAlgorithm and dgvParameter) and a save changes button (btnSave). Both DataGridViews are related to 3 tables: (algorithm, parameter, ...
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1
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50
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Overriding Browser's Keyboard Shortcuts 2
I would like to override browser's keyboard shortcuts.
I created an Angular Service that listen the 'keydown' event and manage it.
I tried to use stopPropagation(), preventDefault(), ...
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Python command/event registration pattern
I am working on my first service using ddd.
My domain layer looks simillar to:
/ domain
/A
/aggregateA.py -> fires an EventA
/aggregateARepository.py
/B
/aggregateB.py
/...
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votes
1
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58
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How to handle Android UI events in C++ without blocking the main thread but keeping execution order?
I’m building an Android native application where most of the business logic resides in C++.
For example, UI events like Key Press or Drag-Drop arrive on the main thread. To process them, I forward ...
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1
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111
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React Axios POST request returns success but no Preview/Response in Chrome Network DevTools
I am building a signup feature in React. My API is working fine — when I hit the endpoint in Postman or cURL, I get a 201 Created response with JSON.
But in Chrome DevTools → Network tab, when I ...
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120
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Error: System.InvalidOperationException: JavaScript interop calls cannot be issued at this time
I am getting an intermittent exception in the console from the DOM:
Uncaught (in promise) Error: System.InvalidOperationException:
JavaScript interop calls cannot be issued at this time. This is
...
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1
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73
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How to handle properly the Click Event when we also need low level event data? (Android)
I am looking a recommended way in how we can handle the Click Event in Android. My requirement is that I want a little bit more of granularity in data so that based on it I can invoke a different flow....
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88
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How to use RabbitMQ in a windows service
I'll start with the basics.
I am creating an app and want to split it out to microservices. Because I want the microservices to run when the computer is turned on, in the background, regardless of ...
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87
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How do I display GeoJson data from Folium map in NiceGUI?
I'm unable to display on screen or terminal the data from an on click event on a Folium/Leaflet map within a NiceGUI interface. As per Folium API I've been able to display coordinate clicks on the map ...
1
vote
1
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57
views
Problem with accessing stale Redux state in event handlers
I have a SignalR (WebSocket) server for a game, and a React/Redux client that connects to it. I have a component whose task is to listen to SignalR messages to handle them, which usually involves ...
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3
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165
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Unsubscribing from an anonymous method that references the object containing the event in C#
I wrote this code (simplified):
Camera cam;
cam.StreamGrabber.ImageGrabbed += (_, e) => StreamGrabber_ImageGrabbed(cam, e);
The Camera class is imported from a compulsory third-party dll that I ...
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51
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Tkinter button text/image not updating after incrementing a value in another class
I'm working on a Tamagotchi-like app in Python with Tkinter. I detect clicks on a canvas item and increment a "clicks" counter stored in a JSON-backed character object. When the clicks reach ...