How to solve this? I don’t get it,,please help, thanks. And this is the error message when I run node server.js: client.on(‘getRelay’, function (state) { ReferenceError: client is not defined var express = require (‘express’); var app = require(‘express’)(); var server = require(‘http’).createServer(app); var io = require(‘socket.io’)(server); var port = 3000; let bodyRelay = { ..
Category : node.js
I have Windows Node.js applications on Azure Web Apps or Azure functions. It seems that VSC extensions allow us for only Linux. How do I debug remotely? Source: Ask Javascript..
I want my program to allow the user to upload a CSV file and have it update the relevant table in the database. I’ve successfully setup the uploading part, but I haven’t been able to figure out how to parse the CSV to allow for an insert query. router.post("/upload", async (req, res, next) => { ..
I am working on this single page app where I send the App.html file to use after login and then I want to fill that file with the data from the database. I cannot find a way to simply do 2 get requests at the same time since one is for the file the other ..
I have been stuck on this issue for several days now and I have tried literally dozens of different fixes from my searches. To start, I am using Hugo, Webpack, NodeJS, and Babel. Currently, everything is atleasy compiling, but when I look at the localhost console I see these errors: Uncaught ReferenceError: jQuery is not ..
I am trying to rewrite some of my existing python code in Nodejs. However, I am having some trouble with data types as I am used to creating dictionary in python which is not available in Nodejs. Basically I am getting data from our database using psycopg2 (getting rows from cur.fetchall()) which returns the result ..
I’m using the q library for promises. I have the following code Q.all([thumbnailPromise, createSnapshotPromise]).spread((thumbnailRep, snapshotRep) => { How do I determine how long each promise took? Specifically, how long thumbnailPromise and createSnapshotPromise took separately? Note that I want to keep the promises running in parallel. Thanks! Source: Ask Javascript..
I am trying to improve myself on JavaScript and Node, and the async nature of fetch is causing me some problems. I am making a type of crawler and any time I try to push to an array, the array returns only the content from that function, rather than the content from that function + ..
I run the following fetch/http request directly from my script in the browser: const t0 = performance.now(); fetch("https://api.example/something", { method: ‘get’, headers: { ‘Content-Type’: ‘application/x-www-form-urlencoded’ } }).then(res=>res.json()) .then(res => { const t1 = performance.now(); console.log(t1 – t0); }); The timer returns on average 240ms. After that I tried doing it using node: var https = ..
Im working on food delivery app and im trying to move all the food orders to delivery interface so here im fetching data from my database with GET method ( im using mongo db) : constructor(props) { super(props); this.state = { CmdCart: [], test:[] }; } componentDidMount() { fetch(“http://10.0.2.2:4000/getcmd”, { method: “GET”, headers: { ‘Content-Type’: ..
Javascript Development Company
Recent Comments