express

Why does my node.js app get “hung up” when I send more then 50000 queries simultaneously?

て烟熏妆下的殇ゞ 提交于 2020-01-04 09:32:30
问题 Moving to other question Here is final question on this topic. I removed Express from the equationand generally cleared the question. Before you say something like "fool, do them in series" or something like this, I want to mention, that this code will never be used on production. I googled for few days and ran tests, and so on and now I need some help. If you wish to see some higher level question - here it is. Test rig: Windows 10 Mongo 3.2.11 Node 6.11.3 Express 4.15.4 Problem: I have

Why does my node.js app get “hung up” when I send more then 50000 queries simultaneously?

你说的曾经没有我的故事 提交于 2020-01-04 09:31:52
问题 Moving to other question Here is final question on this topic. I removed Express from the equationand generally cleared the question. Before you say something like "fool, do them in series" or something like this, I want to mention, that this code will never be used on production. I googled for few days and ran tests, and so on and now I need some help. If you wish to see some higher level question - here it is. Test rig: Windows 10 Mongo 3.2.11 Node 6.11.3 Express 4.15.4 Problem: I have

no request header origin when using expo to express server

梦想与她 提交于 2020-01-04 07:51:43
问题 I'm learning React Native and I'm testing it on my phone with expo and I'm trying to call a an api remotely which has been working perfectly with my react bundle on a web server as well as on localhost. my app.js var allowedOrigins = ['http:// localhost:3000', 'http:// site.com']; app.use(function(req, res, next) { const origin = req.headers.origin; res.header('Access-Control-Allow-Methods', 'GET,PUT,POST,DELETE'); res.header('Access-Control-Allow-Credentials', true); if(allowedOrigins

Loading favicon icon from Express web server causes Content-Security-Policy violation

泄露秘密 提交于 2020-01-04 06:33:51
问题 I get the following error when I try to load the website I am creating Refused to load the image 'http://167.71.89.74/favicon.ico' because it violates the following Content Security Policy directive: "default-src 'none'". Note that 'img-src' was not explicitly set, so 'default-src' is used as a fallback. It looks like my attempts to fix the error change the X-Content-Security-Policy, but not the Content-Security-Policy. I am using a simple Express server to load the page requests. I found

Mongoose and array of ref UUID's does not convert

两盒软妹~` 提交于 2020-01-04 06:22:20
问题 When using the library mongoose-uuid, I am able to setup UUID types for my schemas, so when I read the data it is in string (utf-8) format and when I save the data it is in UUID ObjectID BSON type 4 format. This works great with top level or flat direct values and ref definitions in my schema. However, when I have a UUID's in an array of ref's in a schema, the array saves to the database correctly, However when it is presented it is in its raw type. Based on the example below you can see

Detect TLS Version in Node Express App?

自闭症网瘾萝莉.ら 提交于 2020-01-04 05:46:16
问题 Is it possible to detect the TLS version 1.1 or 1.2 etc in Node Express application. 回答1: If your are using express you can try with: app.get('/', (req, res, next) => { if (req.protocol === 'https') console.log(req.connection.getProtocol()); else console.log('Not SSL'); }); 来源: https://stackoverflow.com/questions/40884796/detect-tls-version-in-node-express-app

How to make GET request inside a GET request in NodeJS using Express

别等时光非礼了梦想. 提交于 2020-01-04 05:36:14
问题 Basically, I'm trying to get Access Token from Facebook in my callBack GET method. Below is my code. getAccessToken is not called at all. What's the right way to implement it? app.get('/fbcallback', function(req, res) { var code = req.query.code; var getAccessToken = 'https://graph.facebook.com/v2.12/oauth/access_token?'+ 'client_id='+client_id+ '&redirect_uri='+redirect_uri+ '&client_secret='+client_secret+ '&code='+code; app.use(getAccessToken, function(req, res) { console.log('Token Call')

unable to send html text using nodemailer

自古美人都是妖i 提交于 2020-01-04 04:47:08
问题 I am unable to send html text in mail using nodemailer. exports.send = function(req, res) { console.log(req.query); var mailOptions = { to: req.query.email, subject: req.query.sub, text: 'Date of Interview: ' + req.query.dateOfInterview+ 'Time of Interview: ' + req.query.timeOfInterview + '' + req.query.assignedTechnicalPerson + '' + req.query.typeOfInterview + '' + req.query.interviewLocation } smtpTransport.sendMail(mailOptions, function(error, response) { if (error) { console.log(error);

require an external module in jade in a node.js webserver

喜夏-厌秋 提交于 2020-01-04 04:38:06
问题 I need to require a util module in my jade template to do some checking. Can I do that? I tried following in a jade template which sits in $ROOT/views/jade/sample.jade var utils = require('../../app/server/modules/queries.js') for a module that sits in $ROOT/app/server/modules/queries.js But it does not work. Can I do what I want???? 回答1: You can register helpers from within Express. In a request handler. var utils = require('../../app/server/modules/queries.js') function(req, res) { res

Node/Express: Session Expire Event?

元气小坏坏 提交于 2020-01-04 04:11:19
问题 On asp.net, we have a session expire event. I'm using node.js with express.js and the default memory store for sessions. Every time I restart node, the sessions are lost. Ideally, I'd like to save the sessions to the db (can't use redis). Is there a session expire event? 回答1: If you want to save the sessions to a database which isn't Redis, there are more solutions: https://github.com/senchalabs/connect/wiki (check the Session Stores section). As far as I know there isn't such an event for