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Questions tagged [event-stream]

This tag is for questions relating to event streams in HTTP. Event streams are an easy way for a server to have a continuous connection with the client and send data back and forth.

137 questions
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Gulp: How to create a stream from a promise of an array of streams?

I have a list of tasks that are initiated by an async function. I end up with a promise of an array of streams. I need to merge these streams into a single stream and return that to Gulp. The following is what I came up with. It's kind of clunky. Is…
cleong
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gulp ruby sass and concat is putting my sourcemap inside css

I'm using event-stream so that I can compile SASS and merge it with CSS in one task. It's working great my only problem is the sourcemap is getting merged inside the CSS. gulp code gulp.task('css', function(){ var sassGlob =…
user391986
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Node.js event-stream: Where to setMaxListeners?

I have searched and searched for this, to no avail. I've combed the web (including Stackoverflow), and the Node docs for an answer, and not found one---that worked (maybe that's just bad searching on my part). I'm working with an event-stream in a…
user2646829
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Perl Mojolicious + PgAsync plugin -- Leaking database connections?

I am using Mojolicious with a plugin called pgAsync in order to listen for NOTIFY events that are being emitted from a Postgres database. The code I currently have is working fine, but I am seeing that the number of database connections is only…
Mike
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Detect when user leaves an event stream

I'm trying to make a chatroom from scratch using Sinatra. I need to detect when a user leaves the page. At first, I was thinking about using a Javascript onbeforeunload function, but then users could actually fake leaving or leave without notifying…
Piccolo
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how to pipe readable stream to a child_process.exec command using event-stream in node.js?

I have the following (non-functioning) code: var es = require('event-stream'); var cp = require('child_process'); es.pipeline( es.child(cp.exec("ls")), es.split(/[\t\s]+/), es.map(function(data,cb){ if ( /\.txt$/.test(data) )…
AndyPerlitch
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Unable to access HTML5 Event-Stream (Node.js)

Ok, here goes. I made a simple chat server that uses Node.js and HTML5 Event-Streams, but for some reason, the Event-Stream won't work, the client-side page displays nothing in the textarea that should hold messages from the Event-Stream. I can't…
FatalKeystroke
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Drools Fusion duration and timestamp, why it doesn't work?

I am new in Drools applications and above all in Drools fusion. In my office we are working on a Standalone Complex Event Processing application. One of main requirements is the possibility to calculate starting time, frequency, end time, duration…
Alberto Rugnone
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Return Eventstream response from Azure openai to nextjs

In order to not expose the api key of my Azure openai ,I create a nextjs API that send the request to openai and get the stream and send it back to the Front End ,I created the pages/api/gpt Here is my code import { OpenAIError} from…
Yafaa Ben Tili
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SSE on GCP Cloud Run results in 503 error (works locally)

I have a Remix app setup with Firebase hosting and Cloud Run to host the back end. I am not too familiar with the stack but can give more information if needed. For the firebase hosting and authorisation I used this as a guide:…
HyperComplex
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Output python logging in realtime to front end

In python Flask app, I can declare a custom stream: from Flask import Response import logging from datetime import datetime from time import sleep logger = logging.getLogger('my_log_stream') handler = logging.StreamHandler() handler.setFormatter =…
jHards
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How to handle EventStream POST requests with the webRequest API for browser extensions?

I'm trying to handle EventStream POST requests using the webRequest API in a browser extension. I'm not able to correctly process the event-stream chunks sent by the server. My goal is to intercept the response chunks and store them in my script.…
Charles León
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PHP Content-Type: text/event-stream with PHP FPM/CGI - ChatGPT text streaming

I'm working with the ChatGPT API in PHP. I'm trying to stream the ChatGPT completion text in PHP. When I do it on my local machine it works fine, but my server is using PHP FPM and as a result, it isn't streaming text but is outputting all the text…
Jimmison Johnson
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How can I receive server-sent events (SSE) or event-stream in AppGyver (low-code platform) and trigger a change in an app variable?

I am developing a mobile application using AppGyver, a low-code platform, and I need to receive server-sent events (SSE) or event-stream from a backend server and trigger a change in an app variable. The backend server sends continuous data updates…
Diego Serrano
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Django_eventstream to send notifications from backend to frontend: the stream is established but it's empty

I'm trying to send notification from backend (Django) to frontend (Vue.js) using django_eventstream Following the library quide, I create endpoint in asgi.py: import django_eventstream import os from channels.auth import AuthMiddlewareStack from…
OlegТ
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