I created expressjs application using the following commands: express -e folderName npm install ejs –save npm install When I run the application with: node app.js, I have the following errors: events.js:72 throw er; // Unhandled ‘error’ event ^ Error: listen EADDRINUSE at errnoException (net.js:884:11) at Server._listen2 (net.js:1022:14) at listen (net.js:1044:10) at Server.listen (net.js:1110:5) at Object.<anonymous> … Read more
I have installed an application using the command express new ‘filename’. I have just learned that you can start an application using: npm start Thus far I have used: node app.js to start my server. Anyone know what the difference is between the two? Thanks. 2 Answers 2
To avoid same-domain AJAX issues, I want my node.js web server to forward all requests from URL /api/BLABLA to another server, for example other_domain.com:3000/BLABLA, and return to user the same thing that this remote server returned, transparently. All other URLs (beside /api/*) are to be served directly, no proxying. How do I achieve this with … Read more
How can I move files (like mv command shell) on node.js? Is there any method for that or should I read a file, write to a new file and remove older file? 17 Answers 17
So, I may be missing something simple here, but I can’t seem to find a way to get the hostname that a request object I’m sending a response to was requested from. Is it possible to figure out what hostname the user is currently visiting from node.js? 7 Answers 7
I’m testing an implementation of JWT Token based security based off the following article. I have successfully received a token from the test server. I can’t figure out how to have the Chrome POSTMAN REST Client program send the token in the header. My questions are as follows: 1) Am I using the right header … Read more
I got a problem with the Passport.js module and Express.js. This is my code and I just want to use a hardcoded login for the first try. I always get the message: I searched a lot and found some posts in stackoverflow but I didnt get the failure. Error: failed to serialize user into session … Read more
In the following Express function: app.get(‘/user/:id’, function(req, res){ res.send(‘user’ + req.params.id); }); What are req and res? What do they stand for, what do they mean, and what do they do? Thanks! 3 Answers 3
I’m using express + node.js and I have a req object, the request in the browser is /account but when I log req.path I get “https://stackoverflow.com/” — not ‘/account’. //auth required or redirect app.use(‘/account’, function(req, res, next) { console.log(req.path); if ( !req.session.user ) { res.redirect(‘/login?ref=”+req.path); } else { next(); } }); req.path is / when … Read more
I start planning a REST API with node.js ,express and mongodb. The API provides data for a website (public and private area) and maybe later a mobile app. The frontend will be developed with AngularJS. For some days I read a lot about securing REST APIs, but I don’t get to a final solution. As … Read more
