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NODE.JS QUESTIONS

Heroku deployment confusion: Vue.js frontend with Flask backend
Heroku deployment confusion: Vue.js frontend with Flask backend
This might help you I currently a web app involving a Vue.js frontend with a Flask backend acting as a REST API. They are divided into the client and server folders in my repo, respectively. I am looking to deploy it to Heroku via the Github deployme
TAG : node.js
Date : December 01 2020, 04:55 PM , By : blue
NodeJs: How to handle a very high amount of timers?
NodeJs: How to handle a very high amount of timers?
wish helps you If socket.io is not reliable enough for you, you might want to consider implementing your own websocket interface instead of adding a layer on top of socket.io. But to answer your question, I don't think running 10k timers is going to
TAG : node.js
Date : November 29 2020, 01:01 AM , By : curdriceaurora
Parallel exceution in nodejs
Parallel exceution in nodejs
To fix the issue you can do You can use fork, as comments above suggest, or easier still use the async package from caolan.
TAG : node.js
Date : November 29 2020, 01:01 AM , By : som
In nodejs how to send cookies in a request to a server
In nodejs how to send cookies in a request to a server
I wish did fix the issue. oh finally found my mistake i wasnt including the cookie parameter in my header list.I was writing it like this:
TAG : node.js
Date : November 29 2020, 01:01 AM , By : Topart Painting
MongooseJS modify document during pre hook
MongooseJS modify document during pre hook
it should still fix some issue pre hooks work for both doc.save() and doc.update(). In both cases this refers to the document itself.Note that hooks need to be added to your schema before compiling your model.
TAG : node.js
Date : November 29 2020, 01:01 AM , By : marziyeh zahed
What is the `pipe` method in NodeJS?
What is the `pipe` method in NodeJS?
fixed the issue. Will look into that further .pipe() feeds a readable stream into a writable stream so that as the contents are incrementally read from the readable stream, they are automatically forwarded to the writable stream. It manages the readi
TAG : node.js
Date : November 28 2020, 08:01 AM , By : lijianxin
Warning: PhantomJS not found
Warning: PhantomJS not found
may help you . I have installed nodejs 0.10.15 on debian 6. Using npm I have then installed: , Try running npm uninstall phantomjs
TAG : node.js
Date : November 28 2020, 08:01 AM , By : Markus KARG
how we will know on the server side if the peer still connected using Nodejs WebRTC
how we will know on the server side if the peer still connected using Nodejs WebRTC
will help you Socket.IO has a concept of 'rooms' that makes it very handy for building WebRTC signaling servers, and a disconnect event fired when a user disconnects. You can also set up a custom event to be emited when, for example, a user stops a v
TAG : node.js
Date : November 28 2020, 01:01 AM , By : ABHIK KASHYAP SINGH
Docker Remote API & Binds
Docker Remote API & Binds
Does that help I finally got it working. It seems you also need to create Volumes when you create the container. Here's the proper syntax:
TAG : node.js
Date : November 28 2020, 01:01 AM , By : Daneih Ismail
Serving multiple node apps with nginx on same domain
Serving multiple node apps with nginx on same domain
help you fix your problem Just found out what the problem was. Though my nginx configs were correct, I had not added my desired subdomain to my domain name provider (namecheap). I added my subdomain on namecheap, and everything is working correctly n
TAG : node.js
Date : November 26 2020, 01:01 AM , By : subba Raidu
Waiting for user to enter input in Node.js
Waiting for user to enter input in Node.js
I hope this helps . Here's another way that has no dependencies (readline is built-in)
TAG : node.js
Date : November 26 2020, 01:01 AM , By : Joe Newbie
How to get instant changes in background from private api in mobile app?
How to get instant changes in background from private api in mobile app?
should help you out You have to implement push notification.It is quite easy to implement this in xamarin. just send the push notification to the device and on the notification received call back send the API request to retrieve the updated data.
TAG : node.js
Date : November 25 2020, 07:27 PM , By : Stanislav Sobol
Grunt.js: Fire livereload as soon a files are modified, before task completes
Grunt.js: Fire livereload as soon a files are modified, before task completes
will help you I've managed to get this working by using grunt-concurrent to run the three watch tasks in parallel:
TAG : node.js
Date : November 25 2020, 07:27 PM , By : kasun
How to remove port number from appear in the url for node js application?
How to remove port number from appear in the url for node js application?
I wish this helpful for you If you want to use port 80, you should run your application with root/administrator privileges, and make sure no other server is running on that port. In practice, most people deploy a reverse proxy to handle static conten
TAG : node.js
Date : November 25 2020, 07:06 PM , By : Ida LIN
How to ignore libraries in browserify programmatic api
How to ignore libraries in browserify programmatic api
I wish did fix the issue. As you can see from here the --noparse option provided on the command line is passed to the browserify({ }) call.So in order to tell browserify to not parse jquery and three.js you have to pass the full path to your jquery a
TAG : node.js
Date : November 25 2020, 01:01 AM , By : Jonathan
Node/Express/Jade style guides?
Node/Express/Jade style guides?
hope this fix your issue Let me start by saying - according to the requirements of the language (Javascript) the 2 spaces are NOT REQUIRED (infact most of the times you can get away without using a ; too at the end). However if you mean to ask whethe
TAG : node.js
Date : November 25 2020, 01:01 AM , By : Vaibhav Bhati
how do I return data from a node.js request call? (undefined is not a function)
how do I return data from a node.js request call? (undefined is not a function)
Hope that helps callback seems to be undefined because you didn't pass it to your modules methodshould be like this:
TAG : node.js
Date : November 24 2020, 03:41 PM , By : Smart
res.sendfile() doesn't serve javascripts well
res.sendfile() doesn't serve javascripts well
should help you out I want to use static file serve without any rendering engine. I've tried to use: , I guess this might help you...in app.js file...
TAG : node.js
Date : November 24 2020, 03:41 PM , By : Inc
File path completion relative to the current file directory
File path completion relative to the current file directory
should help you out Filename-completion is always done from the working directory.If you always want to do things relative to the current file, you can add
TAG : node.js
Date : November 24 2020, 03:41 PM , By : Nicole
Tuning node-mongodb-native connection pool size
Tuning node-mongodb-native connection pool size
will be helpful for those in need In scenarios like this, the first step is always to start to with the DB.If you have queries that are slow to respond, those queries should appear in the slow logs. Take a look at the official docs for profiling. The
TAG : node.js
Date : November 24 2020, 05:47 AM , By : Shay
Express Socket.io example server not working
Express Socket.io example server not working
With these it helps The problem is you are creating app after you are creating io. So this line
TAG : node.js
Date : November 24 2020, 05:44 AM , By : Juan Carlos Garcia
node js can't install right on my Ubuntu computer
node js can't install right on my Ubuntu computer
should help you out You have to make before you make install.The wiki has more information about building from source.
TAG : node.js
Date : November 24 2020, 05:44 AM , By : kumai
How can i do an "or" query in a Model.find on Sails?
How can i do an "or" query in a Model.find on Sails?
Does that help i have to make a query that accept two entries from a field in Sails. Since Sails use waterline for ORM i've also tagged it on this question. , You could try this:
TAG : node.js
Date : November 24 2020, 01:01 AM , By : MikeL
Confused in starting a project in node.js with npm install
Confused in starting a project in node.js with npm install
I wish this helpful for you Yes, before running, all dependencies must be installed. So you must run npm install.When developing, you can use npm install --save to install a dependency and automatically add it to package.json.
TAG : node.js
Date : November 24 2020, 01:01 AM , By : heoe
unit testing express route with async callback
unit testing express route with async callback
wish help you to fix your issue if you are using mocha it provides the "done" function that you can inject into your callback and it will tell mocha that test is async and should wait until that function is called
TAG : node.js
Date : November 23 2020, 01:01 AM , By : user2957363
Mongoose sum operation in collection
Mongoose sum operation in collection
this will help You need to modify your aggregation pipeline to perform the below operations: Match the records with the desired postvote id(s). For each record, project an extra field named weight, for the records of Type - up, the weight would be 1,
TAG : node.js
Date : November 23 2020, 01:01 AM , By : user2957236
document save function not working in mongoose
document save function not working in mongoose
around this issue Don't modify the private _doc object directly, assign the model instance's top-level properties so that Mongoose can track the changes and apply them when you call save.
TAG : node.js
Date : November 23 2020, 01:01 AM , By : user2957195
Why is the zlib inflate function is not working in correct order in node.js?
Why is the zlib inflate function is not working in correct order in node.js?
seems to work fine Use Async.js. Below are steps to make your code work synchronously using async.js.I ran into similar problem and resolved it using the steps below. I have replaced my function with yours. It should work. You just give it a try, doc
TAG : node.js
Date : November 22 2020, 03:03 PM , By : user2956964
Nested if inside each (Handlebars template in Express app)
Nested if inside each (Handlebars template in Express app)
Hope that helps You don't need to surround the each with an if, each...else works. If you try to access user within the each, you'll actually be trying to access posts.user. You can access the parent context using ../. E.g.
TAG : node.js
Date : November 22 2020, 03:03 PM , By : user2956842
How does the cookie-session middleware work in expressjs?
How does the cookie-session middleware work in expressjs?
like below fixes the issue I want to know the underlying concepts of cookie-session in expressjs. When ever we stores something in session for example , where this session data is stored ?
TAG : node.js
Date : November 22 2020, 10:56 AM , By : user2956464
grunt-processhtml remove not working when specifying a target
grunt-processhtml remove not working when specifying a target
should help you out This is because the Grunt target build:prod does not exist.You have defined a build target, but you are calling a prod target. Grunt does not know such target and thus does nothing. The part that you put after processhtml:build (i
TAG : node.js
Date : November 22 2020, 10:56 AM , By : user2956402
Error: CERT_HAS_EXPIRED in Node.js request module (macu vs facebook)
Error: CERT_HAS_EXPIRED in Node.js request module (macu vs facebook)
hop of those help? Your intermediate certificate for DigiCert High Assurance EV Root CA seems to have expired, see f.e. https://www.sslshopper.com/ssl-checker.htmlhostname=www.macu.comLikely your browser did not complain about it, because it had a ne
TAG : node.js
Date : November 22 2020, 10:54 AM , By : user2956205
Async web requests are making 'socket hangup' in node.js
Async web requests are making 'socket hangup' in node.js
like below fixes the issue You should look at option pool when send a request using request module.There are 3 options:
TAG : node.js
Date : November 22 2020, 10:54 AM , By : user2956057
ExpressJS: Middleware control flow for Router.param() & Router.use()
ExpressJS: Middleware control flow for Router.param() & Router.use()
To fix the issue you can do You are using router.use() which attach to the middleware stack and get executed in its declaration order whenever the router is triggered by a request on its defined routes.If you replace router.use() with router.all() it
TAG : node.js
Date : November 22 2020, 10:48 AM , By : asvvan
Glob recursive/zero or more directories, excluding directories
Glob recursive/zero or more directories, excluding directories
hop of those help? Assuming you're currently using **/* for all files, I'd probably use glob-all and specify some paths to exclude.
TAG : node.js
Date : November 22 2020, 10:48 AM , By : user2955953
node.js v0.11.14 as service with --harmony
node.js v0.11.14 as service with --harmony
I wish this help you For production environment, personally, you should give a try to pm2. PM2 is an awesome process manager for nodejs. There are features like: Load balancer, running the app forever even when the server restarts and a lot more that
TAG : node.js
Date : November 22 2020, 10:40 AM , By : DenyaK
Running npm install from Sublime Text 2 doesn't work
Running npm install from Sublime Text 2 doesn't work
wish helps you It turns out that my PATH wasn't updating correctly. I don't know if this is actually what was causing the issue or not, but simply restarting Sublime Text has fixed it.
TAG : node.js
Date : November 22 2020, 10:40 AM , By : user2955632
update on a subdoc with mongoose
update on a subdoc with mongoose
will be helpful for those in need When updating an array element by id, you can use the $ positional operator in your update object to represent the index of the element matched by the query:
TAG : node.js
Date : November 22 2020, 10:40 AM , By : furious_wheat
NodeJS Aerospike UDF execute memory leak
NodeJS Aerospike UDF execute memory leak
it should still fix some issue This issue is fixed and the change is pushed into npm repo. please get the latest version (1.0.25). for giving details which helped us isolate the problem.As a side note... Growth of memory during execution in node.js s
TAG : node.js
Date : November 22 2020, 10:38 AM , By : user2955282
Alternative to path module that always uses forward-slashes?
Alternative to path module that always uses forward-slashes?
will help you Answering my own question...It looks like Browserify's shim for path works well for this.
TAG : node.js
Date : November 22 2020, 10:38 AM , By : Ehsan Walizai
How do you stream a csv file into a node web app?
How do you stream a csv file into a node web app?
I wish this help you https://www.npmjs.com/package/busboy https://www.npmjs.com/package/fast-csv
TAG : node.js
Date : November 22 2020, 10:38 AM , By : Simón Castillo
How to modularize routing with Node.js Express
How to modularize routing with Node.js Express
With these it helps You should use the native express router, it was made to solve this exact problem! It essentially lets you create simplified nested routes in a modular way.For each of your resources, you should separate out your routes into sever
TAG : node.js
Date : November 22 2020, 10:33 AM , By : Asma Zeidabadi
NodeJS - Modularising SQLite3
NodeJS - Modularising SQLite3
I wish this helpful for you I like to split out my code where possible - and having SQL in a route makes me cringe. , Sorted it by adding an actual call back to the function... sigh...
TAG : node.js
Date : November 22 2020, 10:33 AM , By : jason zhou
MongoDB / Node: Incorrect Arguments
MongoDB / Node: Incorrect Arguments
wish of those help There has unfortunately been a lot of radio silence from the MongoDB team regarding this issue, but I finally happened upon the reason why this error occurs: there was a problem in one of my mongo callbacks, which was (probably) th
TAG : node.js
Date : November 22 2020, 10:33 AM , By : user2954938
How to use Aggregate in mongoose
How to use Aggregate in mongoose
around this issue How do I define the following MongoDB aggregate query in mongoose: , Try this
TAG : node.js
Date : November 22 2020, 10:33 AM , By : user2954868
How to generate multiple reports with mocha?
How to generate multiple reports with mocha?
To fix this issue Maybe this can help: https://github.com/glenjamin/mocha-multiAFAIK this is not supported in Mocha yet, but it is on its way: https://github.com/mochajs/mocha/pull/1360
TAG : node.js
Date : November 21 2020, 07:31 AM , By : user2954099
AWS Lambda making video thumbnails
AWS Lambda making video thumbnails
hope this fix your issue The process as outlined by Naveen is correct, but it glosses over a detail that can be pretty painful - including the ffmpeg binary in the zip and accessing it within your lambda function.I just went through this, it went lik
TAG : node.js
Date : November 21 2020, 07:31 AM , By : user2953870
MEAN stack on Ubuntu 14.04 suddenly stopped working
MEAN stack on Ubuntu 14.04 suddenly stopped working
To fix the issue you can do So first off, I'm sorry you got into this mess. Part of the reason is a bug in npm update -- update does not respect semantic versioning -- but unfortunately it hasn't been fixed yet and keeps biting people. As a result, n
TAG : node.js
Date : November 19 2020, 12:41 AM , By : Vasanth
node.js/express/mongoose noob issue
node.js/express/mongoose noob issue
like below fixes the issue You have two options here: 1) deal with callback hell (callback inside callback inside...) to retrieve 3 sets of data. This way is least elegant and efficient
TAG : node.js
Date : November 19 2020, 12:41 AM , By : user2952271
Nodejs ssh convert output byte stream to a sliceable string
Nodejs ssh convert output byte stream to a sliceable string
around this issue You are getting a Buffer object and you want a String. It's usually enough to do this:
TAG : node.js
Date : November 18 2020, 03:49 PM , By : Everest
different behavior of process.argv
different behavior of process.argv
it helps some times learnyounode run filename.js runs node filename.js {{fileToBeRead}} which is to say you need to give it a command line argument or process.argv[2] will be undefined which is causing fs.readFile(undefined, . . . to throw an error.
TAG : node.js
Date : November 18 2020, 03:49 PM , By : chim
How to expose the Application model's register method
How to expose the Application model's register method
will be helpful for those in need Application model doesn't have remote for register() method, to expose it. Instead you should register your own remote method, where you can call Application.register()
TAG : node.js
Date : November 18 2020, 03:49 PM , By : user2951873
How to install FFMPEG on Node/Meteor server?
How to install FFMPEG on Node/Meteor server?
I wish this helpful for you It is not possible to get access via ssh to apps on meteor.com I don't think allow to use custom binaries on their infrastructure.Each instance is in a sort of vm which doesn't give you root access so we can't make any bi
TAG : node.js
Date : November 18 2020, 11:13 AM , By : user2951545
How Can I Use vhost to Redirect a Sub-Domain to an ExpressJS Route?
How Can I Use vhost to Redirect a Sub-Domain to an ExpressJS Route?
Hope that helps Instead of passing a subapplication as a second argument, pass it a function that will transform the url.
TAG : node.js
Date : November 17 2020, 11:58 AM , By : Cristina
Gmail API not respecting UTF encoding in subject
Gmail API not respecting UTF encoding in subject
may help you . By the RFC Standard, Email subject MUST be in US ASCII (7-bit). If you want non-US ASCII characters in the Subject, you have to use quoted-printable encoding
TAG : node.js
Date : November 17 2020, 11:52 AM , By : bdsmith
installing Node modules on Docker: why are they disappearing?
installing Node modules on Docker: why are they disappearing?
hope this fix your issue Changes made to VOLUMEs do not persist.Data Volumes
TAG : node.js
Date : November 17 2020, 04:28 AM , By : Cortez Neto
How do I set up Node/Express to act as a STUN server?
How do I set up Node/Express to act as a STUN server?
hop of those help? STUN uses UDP, so you're not going to write a STUN server using Expess, which helps you build HTTP servers. An NPM search turns up a package called stunsrv that looks promising; C implementations are also available in the classic s
TAG : node.js
Date : November 17 2020, 04:28 AM , By : kksibu
What is the Linear Execution Model in Meteor?
What is the Linear Execution Model in Meteor?
I wish this help you Node.js uses asynchronous event loops, which stops a function from blocking the entire server.Meteor is build on top of Node Fibers, which are themselves built on top of the asynchronous event loop.
TAG : node.js
Date : November 17 2020, 01:00 AM , By : user2949512
connect-redis and express-session results in req.session undefined
connect-redis and express-session results in req.session undefined
I think the issue was by ths following , You probably have some connection errors, but connect-redis does not output them to console (see connect-redis source code). To see them you can create a separate module that creates a client instance and pass
TAG : node.js
Date : November 17 2020, 01:00 AM , By : user2949462
Application Error Heroku - Problems with Deployment
Application Error Heroku - Problems with Deployment
Hope that helps It looks like your application is failing to load the connect-livereload module. You should only be using that in your local development environment. You probably have code something like this:
TAG : node.js
Date : November 16 2020, 06:23 AM , By : Jamal Ahmed

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