Questions tagged [express]
Express.js is a minimal and flexible Node.js web application framework providing a robust set of features for building web applications.
express
6,175
questions
1222
votes
49
answers
2.1m
views
Error: Can't set headers after they are sent to the client
I'm fairly new to Node.js and I am having some issues.
I am using Node.js 4.10 and Express 2.4.3.
When I try to access http://127.0.0.1:8888/auth/facebook, i'll be redirected to http://127.0.0.1:...
768
votes
37
answers
905k
views
Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
I am trying to support CORS in my Node.js application that uses the Express.js web framework. I have read a Google group discussion about how to handle this, and read a few articles about how CORS ...
1598
votes
27
answers
1.9m
views
How to get GET (query string) variables in Express.js on Node.js?
Can we get the variables in the query string in Node.js just like we get them in $_GET in PHP?
I know that in Node.js we can get the URL in the request. Is there a method to get the query string ...
2112
votes
18
answers
2.1m
views
Writing to files in Node.js
I've been trying to find a way to write to a file when using Node.js, but with no success. How can I do that?
920
votes
24
answers
957k
views
How to access POST form fields in Express
Here is my simple form:
<form id="loginformA" action="userlogin" method="post">
<div>
<label for="email">Email: </label>
<input type="text" id="email" ...
453
votes
19
answers
1.2m
views
How do I debug error ECONNRESET in Node.js?
I'm running an Express.js application using Socket.io for a chat webapp
and I get the following error randomly around 5 times during 24h.
The node process is wrapped in forever and it restarts itself ...
376
votes
17
answers
560k
views
No 'Access-Control-Allow-Origin' - Node / Apache Port Issue
i've created a small API using Node/Express and trying to pull data using Angularjs but as my html page is running under apache on localhost:8888 and node API is listen on port 3000, i am getting the ...
331
votes
12
answers
501k
views
Push items into mongo array via mongoose
Basically I have a mongodb collection called 'people'
whose schema is as follows:
people: {
name: String,
friends: [{firstName: String, lastName: String}]
}
Now, I have a ...
456
votes
7
answers
650k
views
Download a file from NodeJS Server using Express
How can I download a file that is in my server to my machine accessing a page in a nodeJS server?
I'm using the ExpressJS and I've been trying this:
app.get('/download', function(req, res){
var ...
819
votes
34
answers
779k
views
Error: request entity too large
I'm receiving the following error with express:
Error: request entity too large
at module.exports (/Users/michaeljames/Documents/Projects/Proj/mean/node_modules/express/node_modules/connect/...
564
votes
53
answers
737k
views
Express.js req.body undefined
I have this as configuration of my Express server
app.use(app.router);
app.use(express.cookieParser());
app.use(express.session({ secret: "keyboard cat" }));
app.set('view engine', 'ejs');
app.set("...
58
votes
1
answer
123k
views
CORS Error: “requests are only supported for protocol schemes: http…” etc
I am trying to run a simple application. I have an Express backend which returns a JSON string when visited at localhost:4201/ticker. When I run the server and make a request to this link from my ...
634
votes
10
answers
678k
views
Enabling HTTPS on express.js
I'm trying to get HTTPS working on express.js for node, and I can't figure it out.
This is my app.js code.
var express = require('express');
var fs = require('fs');
var privateKey = fs.readFileSync('...
55
votes
10
answers
139k
views
How to enable cors nodejs with express?
In summary I am using a viewer like api of dicom files called cornerstone, for this I connect to the WADO service of dc4chee to get the dicom, dcm4chee runs port 8080, and my application on node uses ...
272
votes
12
answers
511k
views
static files with express.js
I want to serve index.html and /media subdirectory as static files. The index file should be served both at /index.html and / URLs.
I have
web_server.use("/media", express.static(__dirname + '/media'...