sse.js | Server-Sent Events made easy for node.js | Runtime Evironment library
kandi X-RAY | sse.js Summary
kandi X-RAY | sse.js Summary
The HTML5 Server-Sent events specification is introduced "to enable servers to push data to Web pages over HTTP or using dedicated server-push protocols".
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of sse.js
sse.js Key Features
sse.js Examples and Code Snippets
interface ISseMiddlewareOptions {
/**
* Serializer function applied on all messages' data field (except when you direclty pass a Buffer).
* SSE comments are not serialized using this function.
*
* @default JSON.stringify
[Unit]
Description=gunicorn daemon
Requires=gunicorn.socket
After=network.target
[Service]
Type=notify
User=www-data
Group=www-data
RuntimeDirectory=gunicorn
WorkingDirectory=/srv/scanmap
ExecStart=/srv/scanmap/env/bin/gunicorn server:app --workers
import { createApi } from '@synvox/api';
import axios from 'axios';
const { useApi, touch } = createApi(axios);
// in a component
const api = useApi();
const [commentBody, setCommentBody] = useState('');
async function submit(e) {
e.preventDefau
def regular_update
response.headers['Content-Type'] = 'text/event-stream'
sse = SSE.new(response.stream, event: 'notice')
loop do
sse.write(NoticeTask.perform) # custom code returning the JSOn
sleep 60
end
rescue ClientDis
Subject to: -2*x[0] + 2*x[1] <= -2
2*x[0] - 4*x[1] <= 0
x[0]**3 -x[1] == 0
where: 0 <= x[0] <= inf
1 <= x[1] <= inf
"""
import numpy as np
from scipy.optimize import minimize
def objec
/**
* SSE middleware that configures an Express response for an SSE session, installs `sse.*` functions on the Response
* object, as well as the `sse.broadcast.*` variants.
*
* @param options An ISseMiddlewareOptions to configure the m
_rn user_id degree year
--- ------- ------ ----
1 1 BS 1950
2 1 MS 1952
3 1 Ph.D 1960
1 2 BS 1990
^^^
_rn user_id Designation From Year To
Soong is the replacement for the old Android make-based build system.
It replaces Android.mk files with Android.bp files,
which are JSON-like simple declarative descriptions of modules to build.
This Makefile-based system is in the proc
Future> loadNews() async {
Completer c = new Completer>();
List list = new List();
Stream sse = _newsQuery.onChildAdded;
sse.listen((Event event) {
onNewsAdded(event, list).then((List newsList) {
return new Future.
var SSE = require('sse-nodejs');
var express = require('express');
var app = express();
app.get('/', function (req,res) {
res.sendFile(__dirname+ '/index.html');
});
app.get('/time', function (req,res) {
var app = SSE(res);
Community Discussions
Trending Discussions on sse.js
QUESTION
I'm using a JS library to stream server-sent-events on my html page:
...ANSWER
Answered 2021-Jan-26 at 09:28When your script calls source.stream();
, it is doing an XMLHttpRequest.send()
operation, which is async by default.
So, what is happening:
- user clicks, and
post()
is called - SSE object and its event listener is set up
- source.stream() is called, which sends the request to the server.
callback()
(i.e.clip()
) is called- Server sends back a response
- Your
message
event handler is called textArea.value
is set
Luckily the fix is simple: you only want callback()
to be called when a message is received. So move callback() to be at the end of the message
event handler, not at the end of post()
.
It will do this after every message event that is received. If you only wanted it to happen after the first event, you will need to implement some logic to keep track of how many events have been received. (And if there will only be one message event, you should be using an Ajax call, not an SSE/EventSource call.)
UPDATE: Discussion in the comments are starting to get out of scope of your original question (where the answer is, simply put, "it is async, not sync"). But I think it is worth pointing out here that you set up a new SSE object every time the user clicks the button. Each SSE object will have its own dedicated TCP/IP socket and its own listener function. This is (generally) not a good idea: instead create the SSE connection once at the start of your web app.
And, though your SSE
polyfill library allows using POST, the standard SSE does not. If you only want the app to poll the server when the user presses the button, consider switching from using SSE to normal AJAX.
QUESTION
I have an assignnment where there is laid out a html script that shows radio buttons, saying the name of each class, and a json file that lists all the students names and which class they go too.
I wondered is there a way to use addEventListener to do this? Because that's what I have heard is the right solution, and I have to do what the professor says.
I am not allowed to change the HTML code.
...ANSWER
Answered 2020-Feb-19 at 12:43Sure
You were almost there
NOTE: I renamed data to students
QUESTION
I'm trying to dynamically add range datePicker but to better understand it I created 4 fields and tried to work with it but I'm stuck. The third field keeps the data the first field has same with the forth and second field, when I change the data in the 3rd it changes what the 1st has...
Here is my HTML code:
...ANSWER
Answered 2018-Jun-06 at 09:03you should try to change the id of the second div in "periodes2" and the inputs in id="dateFrom2"and id="dateTo2" :
QUESTION
I am having an issue when I'm trying to associate a table into my query with sequelize-cli.
My query works but it doesn't populate Adresse table. Only Patient is populated. Adresse array is ignored. (return null)
I made a one-to-one relationship between the tables and am not sure if that's the cause of the error or if it is somewhere else where I am associating the two tables.
here is my models :
server/models/patient.js
...ANSWER
Answered 2017-Mar-30 at 08:43Try using Adresse
instead adresseId
when eager creating the Adresse
model instance related to given Patient
QUESTION
we have used one jquery library called as jesse which works fine
The thing is we have an li attributes and inside it we have used onclick event .. but somehow it stops working and we are unable to call onclick event .. Here is the fiddle for better understanding
...ANSWER
Answered 2017-Feb-07 at 22:51The library doesn't use drag events. It listens to mousedown
and if fired it stops default execution with e.preventDefault();
and watches over $(document).on('mousemove')
and .on('mouseup')
.
Therefore closing div
can't hear any click
event. You can slightly modify the library file to make it identify closing clicks.
Add specific setting, say,
closingClass
to the class (line 7)
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