express

问题 I am using parse to crate a simple demo site that allows users to login/signup using their Facebook account. the login returns success, i also get correct user name i also see the database get populated with the facebook acount data but back at app.js: Parse.User.current() is null Jvascript on client side (index.html) <script> // Initialize Parse Parse.initialize("zzzzzzzzzzzzzzzzzzzzz", "zzzzzzzzzzzzzzzzzzzzzzzz"); window.fbAsyncInit = function() { Parse.FacebookUtils.init({ // this line

问题 I have the following MongoDB document: { _id: ObjectId(5), items: [1,2,3,45,4,67,9,4] } I need to fetch that document with filtered items (1, 9, 4) result: { _id: ObjectId(5), items: [1,9,4] } I've tried an $elemMatch projection but it returns only one item: A.findById(ObjectId(5)) .select({ items: { $elemMatch: {$in: [1, 9, 4]}}}) .exec(function (err, docs) { console.log(doc); // { _id: ObjectId(5), items: [ 1 ] } done(err); }); How can I get the document with items: 1, 9, 4 only? 回答1: In

问题 It seems after my database was upgraded to 10.2 I'm unable to connect. I'm using the pg 7.4.2 npm package. To be clear, I have been connecting without issue for 6 months using the same connection string which had ?ssl=true appended to it. I get this error connecting via Pool or Client. AssertionError [ERR_ASSERTION]: false == true at Object.exports.connect (_tls_wrap.js:1099:3) at Socket.<anonymous> (/home/e/express/testpg/node_modules/pg/lib/connection.js:94:23) at Object.onceWrapper (events

问题 I have the following MongoDB document: { _id: ObjectId(5), items: [1,2,3,45,4,67,9,4] } I need to fetch that document with filtered items (1, 9, 4) result: { _id: ObjectId(5), items: [1,9,4] } I've tried an $elemMatch projection but it returns only one item: A.findById(ObjectId(5)) .select({ items: { $elemMatch: {$in: [1, 9, 4]}}}) .exec(function (err, docs) { console.log(doc); // { _id: ObjectId(5), items: [ 1 ] } done(err); }); How can I get the document with items: 1, 9, 4 only? 回答1: In

问题 This is probably me being stupid... I'm using node with express and I have a seperate file using exports for routes. Above it, I require and cast to a variable, a package I have installed using npm. var passwordHash = require('password-hash'); app.get("/signup", routes.signup); inside routes.signup, I have: passwordHash.generate(req.form.username, {algorithm: 'sha512'}) and it throwing an error saying passwordHash is undefined. How can I go about "inheriting" said require call? 回答1: You can

问题 I am currently trying to resolve a simple recipe list that has a reference to ingredients. The data layout looks like this: type Ingredient { name: String! amount: Int! unit: Unit! recipe: Recipe } type Recipe { id: Int! name: String! ingredients: [Ingredient]! steps: [String]! pictureUrl: String! } As I understand it, my resolvers should look like this: The first one resolves the recipes and second one resolves the ingredient field in the recipe. It can (from my understanding) use the

问题 Closed . This question needs to be more focused. It is not currently accepting answers. Want to improve this question? Update the question so it focuses on one problem only by editing this post. Closed 5 years ago . Looking for the way to add user management to my site. Site: Working with Node.js & Express, when creating the initial project with Express, the app.js file contains these lines: app.use('/', routes); app.use('/users', users); In addition, a file users.js is created under routes

问题 Here is my code: var express = require('express'); var net = require('net'); var app = express(); //first of all connect to a stable client var server = net.createServer(function(socket) { // do nothing here . what i want is to use this socket in // (following) app.get() function }); server.listen(1337, '127.0.0.1'); //receive request from other clients app.get('/', function (req, res) { // retriving mobileNumber and message var mobileNumber = req.query.mobileNumber; var message = req.query

问题 I am creating a cinema application. I have modeled the database on mySql but I am having trouble migrating it to Sequelize. I have followed the documentation but I am getting a lot of different errors. I have tried using associations and indexes (as it should be). This is the model I am trying to make. OCCUPIED_SEATS is composed of only two foreign keys and both make a unique index. OCCUPIED_SEATS : const SEATS = require("./Seats"); const SCREENING = require("./Screening"); const OCCUPIED

问题 I'm a newbie in Node.js and trying to use API token to access Grafana. And I created one API token by following instruction from Grafana page. However, I don't know how to make API calls from my code of node.js to access my local server of grafana page. Also, I have a local login-page by using mongoDB to manage users. How can I make Node.js API calls to access my local server of grafana page? Please help me out here.. I'm having hard time on this.. If you want me to show code, I can edit here