Questions tagged [node.js]

Use this when you're looking for a library or application written for the JavaScript engine Node.js.

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6 views

Shell script to initialize sql database tables for development team [closed]

We are team of 7 developers, consisting of android, web and backend developers. Everyone is new to software development, so android and web people have no real knowledge of nodejs which I am using ...
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Framework/tooling suggestions for building an editor-presentation type site like slides.com?

I've been building Electron desktop apps for a few years and I have a "presentation tool" type app using d3 which I'd like to explore moving online. An example is something like slides.com (a pretty ...
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Graph Modeling of an energy network using Javascript / Angular

I'm currently developing a web-application using NodeJS + Express for the backend and Angular as the frontend. My backend gets a continuous stream of data which is supposed to go into a node-based ...
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Which library is most ideal for handling web sockets in Python 3?

I am developing an instant messenger, and while the client will be communicating with the server via JavaScript (because it is a web-application), I decided to go with Python for the server backend. I ...
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1answer
19 views

Communication between host and servers in Docker containers

Is there some software/framework/workaround that provide an easy way to exchange messages between the host and a container? More specifically, I have a host running a Python server on Ubuntu. This ...
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NodeJS library for threaded email conversation through website

I am using NodeJS and MongoDB with a Heroku deployment. It is a marketing site for unusual pre-owned products. The buyer and seller will need to discuss the product details/condition/logistics before ...
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GraphQL Server: Apollo Engine vs express-graphql

Any advice appreciated! Hello, I recently came up with a project, on implementing a booking/travel website. I will be using PostgreSQL for the database, and maybe MongoDB (NoSQL) in the future for ...
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diff library that can markup the delta between two strings

We're looking to show a revision history between two text entries, ideally using semantic html with demarcating edits tags: <ins> <del> So for example: Old Text Stack Overflow is a ...
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1answer
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MERN stack: best library for users and access control

I am currently learning the MERN stack, having previously worked mostly in Django. However, I find myself recoding the same things over and over again manually and not being entirely satisfied with ...
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9 views

What framework/ js libraries should I use for developing my web application

I am very new too the whole world of frameworks and libraries and this way of working. In the past I have used a mix of traditional HTML, CSS, JS, PHP ect to create websites. I recently found out ...
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Library for creating integrations of all kinds using node.js

There are commercial services like zapier, pandium or tray.io who offer rapid building tools for creating integrations between difference systems. things like: When system A raised this event, ...
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What are good packages to schedule jobs in express?

Coming from a rails background where DelayedJob/sidekiq integrate very simply with the Rails application, I am a little unsure about how to do the same with Express. I found bull in a few examples ...
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Java's process builder vs Node.js' child process for running shell script [closed]

I have some shell scripts in a remote linux machine. I want to execute those scripts on pressing html buttons. I have already written the HTML and completed the back-end using java servlet. All I ...
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A High-Load Application to read Data from Redis and Insert into Cassandra

Here are requirements which I need to satisfy: Redis will have about 1 - 80000 writes every 10 seconds. The application has to read each write from Redis and write it onto Cassandra. What is the ...
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19 views

Raspberry Pi Kiosk mode for displaying live data stream

I'm looking for some reccomendations or feedback on my software stack for a Raspberry Pi project. I am designing a system to read and display information from a CAN bus and display it on a Raspberry ...
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Terms rewriting system for solving systems of algebraic equations

Problem description Having system of equations as input (in whatever format): x + y = 6 2x + y = 9 I would like to output manual, step-by-step high-school-like solution. In other words applying ...
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2answers
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Can someone recommend a React component or NPM library that allows one to set up a WYSIWYG editor?

We're working on a large project where we want to be able to have our clients publish articles. We were originally considering Ghost (ghost.org) for this part of the project, but it's a bit limited ...
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8 views

NodeJS production code coverage

I'm trying to find a production code coverage module for NodeJS. Something equivalent to CoverBand (ruby gem). Basically, I want to be able to run my app in production and detect dead code. I'm using ...
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Is there a Javascript library that provides canvas and toolbox features

I have been giving the task to develop a web application that will allow end users to design their own Sign. Users can select templates (different canvas sizes) add text, images etc.. and this will ...
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Create Rest API endpoints where the user can now stop the long-running task at any given point in time, and can choose to resume or terminate it

I want to create a REST API where the user can now stop the long-running task (uploading large file, updating a CSV file with millions of rows) at any given point in time and can choose to resume or ...
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How to solve a non linear equation in nodejs / javascript

I have to solve an excel solver equation. Which content some non linear equations. let assume X is 12*1 vector of unknown values. the element values are x1,x2,x3,..,x12 y1,y2,...,y12 are known ...
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8 views

Javascript (front-end) file structure in Node JS + Express application

I am making an application wit this tech stack: Node JS, Express JS, EJS. I am having a hard time organizing my front end javascript code which is increasingly becoming bloated. I am trying to find a ...
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1answer
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A tool to generate PDF reports from a client request in a Web App

I need an advice... I googled a lot and I'm a bit lost right now. I'll try to give you all the infos, keeping it short and simple (I hope - and sorry I'm not a native eng speaker): What we have right ...
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Runtime typing for REST JSON API in TypeScript

Is there anything better than io-ts library (except from making my own type guards) for runtime typing in TypeScript what I will mainly use to check JSON HTTP request schema? I am starting to hate ...
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1answer
24 views

Is there any Javascript library to process sound files (.mp3, .wav)?

I have some task where i have to check the quality of sound in .wav file Following things i need to identify: To detect Audio files with so much background noise in it. To check whether the volume ...
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Relational Database and query interface with seeding and migration for Nodejs. Having 'n' no of DB's with dynamic db connection during every api calls

Statement : Here i am working based on Multi-Tenant Architecture. so every client organisations need to have their own Databases and they are relational. so, in my case i need to work with " 'n' no ...
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Embeddable Workflow Engine

I am using a number of Notification Delivery Providers, such as Twilio, SendGrid, etc. to send Emails, SMSs, Push Notifications, etc. I am aiming to develop a notification dispatcher service which ...
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214 views

Separate nested JSON object in Typescript

In my application, I am receiving a complex JSON object (like the next one): { "MainObject": { "Object1": [ { "ID": 1234, "Name": "Something1",...
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node.js library to convert XML to HTML and attach CSS to it

Looking for a node.js software library to convert XML to HTML and attach CSS to it.
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Looking for a proper npm package to watch (folder and its subdirectories), copy modified files and transform found files (webpack replacement)

Currently, I use a shitty hacky webpack solution to watch, copy and transform files. I'd like to know if there was a dedicated package for this. I don't need any bundling of sorts. This is my current ...
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10 views

Any recommendations on engines/approaches for doing text-based recommendation engines?

So I want to start out by saying that ML (as well as NLP more specifically) are things that are really quite new to me. I have read a lot about different approaches over the years and I feel I have at ...
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21 views

Server-side rendered virtual DOM & single-file compoents without Babel

Vue, React & others front-end frameworks implements virtual DOM and single-file components to efficiently build reactive web applications. However, all of these uses Babel, Webpack, ESLint & ...
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1answer
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how to build desktop application?

I want to build some basic desktop applications? which workflow is largely used? why? how to start to build a desktop application? Electron.js is an option but not sure its right option for desktop ...
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Best opensource software for inforgraphics

I wanted to know which is best opensource software for info-graphics (Dashboards) which can be embedded to web app. previously we were using Power BI( which gives us lots of costs) and Metabase (not ...
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2answers
34 views

Node.js (JavaScript) PDF creator (from templates)

I need to generate PDF documents from some data and I also need some templating functionality. I have expirience with npm package pdfkit, but this package not support templates. It would be nice if I ...
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Extract images from encrypted PDFs

I was trying to read a QR Code from some encrypted PDFs in a Spring/Java project with the approach: Extract pdf to png (with PDFBox) Read the QR with Zxing/QrReader But it seems that PDFBox cannot ...
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1answer
54 views

Command line performance testing tool for JavaScript

I'm looking for a tool to provide performance analysis of various JavaScript functions. ie If have some code that looks like this: function solveTravelingSalesman(nodes) { //solution } then ...
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7 views

How to update one section of website data in another site

How can I show the data from A website to B website. 'A' site has one sections called updates/what's new. 'B' site which I'm building and want to show the A's website updates section in B's ...
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14 views

Node.js Storing Data Locally

I have some data and I want to store it. I was using json file to store them but it is too slow so I searched for databases but it requires a hard setup since every user will store some data it would ...
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8 views

How do i achieve transaction in standalone mongodb server (on my local system)?

I know currently transactions are currently supported in replicas or sharded mongos ; but i was thinking somebody must've tried to achieve /achieved transaction before mongo 4.0 , via any design ...
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Control panel for a MEAN STACK application on a vps with nginx

I'm deploying a MEAN STACK application on my VPS, i already deployed it using pm2 and nginx, now i'm having problems installing a free control panel. At first, i tried Plesk, but i noticed that it ...
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0answers
13 views

Sync UI with backend when data keeps on changing at random interval by multiple users

I have Node-Express backend with REST API and no particular frontend technology as it will be based on different platforms and don't want to limit it. On POST/PUT request, change is done in the ...
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15 views

What is the good web technology for developing a small scale E Commerce website?

I have to develop an E commerce website for my start up company in order to sell the paintings online. I have to develop 3 stages 1. Creating a website and displaying the paintings using category ...
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Will a NestJS RESTful API (with PostgreSQL) work well with an Electron desktop application?

I am currently planning out a new project and would like some other opinions / recommendations for my project structure. As the questions says, I am developing a desktop application using Electron, ...
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13 views

Recommended Web Technology for an ecommerce product

I need help in choosing the right technology stack for my client's project. The website will provide services for pets by connecting the pet owner to the pet sitter, walker, etc.. There will be no ...
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6 views

API recommendation for rewarded video ads or surveys?

I can't seem to find a clear answer of what API offers an event system after the user watches a video ad and gives them a reward for viewing the ad (I want to give them credits after they complete a ...
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29 views

Software stack to build modern website?

As a newbie I am trying to decide which of the following stacks to devote effort to build a website which will be easier as well as good for future high-volume website: Angular+Python+Django or ...
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15 views

Headless browser to load a page and act as a normal client/user

I'm looking for a headless browser or equivalent that can act as an ordinary client or user logged in on a multiplayer session. Basically it will just connect, run all javascript just as a regular ...
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3 views

I would like a Library for Multiple NodeJS servers to be able to send messages between each other in JSON format

I am looking for a NodeJS library that would allow multiple servers to able to send messages back to each. I.E Server One Hey you Server Two want data. Server Two I'm no longer active you want ...
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2 views

Which language to use to connect frontend backend if backend is done on nodejs and front end on normal css?

Which language to use to connect frontend backend if backend is done on nodejs and front end on normal html and css?