Questions tagged as 'nodejs'

Tagged questions
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How to order a web page to show it

My application uses token-based authentication. On the login page, I send the user's data and password. I must receive a token to set it to localStorage . once it is received and established. render the welcome page. This is my Front end c...
asked by 25.01.2018 / 15:56
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Send float using json

I am trying to send a number with a comma through JSON to save them in a MySQL database through a api rest created in node js. Endpoint code router.post('/', (req, res) => { const sensorData = { id: null, temperatura:...
asked by 04.02.2018 / 21:13
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How to use websocket server-server in node.js?

Hi, I am new to node and I was wondering how I can consume a websockets service from node, os server-server, the second is an external server here the link: link , Thank you very much community for your answers.     
asked by 25.02.2018 / 17:33
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How to restart NodeJS server

I am clear that nodemon and other modules are useful for me, to restart the server when I make changes to the files, but it is not what I want, I ask, how could I restart the node server at the moment I want ?, example: app.post('/rein',(req,...
asked by 16.11.2017 / 14:28
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Node JS + MySQL

I took as skeleton the code generated by Express JS and everything works fine. The issue is that when I show my page ... / one, it shows me the right result but only for about 5 ms and the content disappears. Do you know why this happens? I woul...
asked by 22.03.2018 / 20:14
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Duplicate call to 'open' using mongoose

Good, starting at node.js and mongodb I'm first with a problem that I do not know if it is such. Having the server.js files as simple as 'use strict'; var http = require('http'); var express = require('express'); var bodyParser = require('b...
asked by 17.10.2017 / 14:29
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ANGULAR CLI ERROR

I have a problem installing angular-cli on a docker. I'm running the command npm install -g @angular/cli@latest and it shows me the error attached    /root/.nvm/versions/node/v8.6.0/bin/ng - >   /root/.nvm/versions/node/v8.6.0/lib/...
asked by 02.10.2017 / 06:46
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Firebase - Extract an image or a thumbnail of an mp4 video uploaded to the STORAGE or when the .mp4 file is uploaded

I spent a few days researching and reading firebase articles, Cloud Storage firebase, nodejs, canvas, javascript, apis, etc. But what I found is more complicated than what it should be and surely there will be easier ways to do it. Can someone g...
asked by 11.11.2017 / 17:49
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Error Select NODEJS [closed]

Good morning, I am designing a REST API with NODEJS and when I insert this query: function getInvTop(req, res) { if (connection) { connection.query('SELECT recvTimeTs, CONVERT_TZ(recvTim...
asked by 29.09.2017 / 09:01
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How to convert a MaybeLocal String type to a std string?

I'm doing a addon for nodejs in c++ , I'm new mu% in c++ by the way, what I try to do is a function in javascript that receives an object and this convert it to a std::string in c++ , until now after rese...
asked by 13.09.2017 / 19:58