Questions tagged [web-applications]

Web applications are applications that are accessed over the "web", which can mean the Internet, or an internal network (an intranet).

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Licensing scenario question

Problem: I have an API that lives in my organizations tenant. We use scopes and roles through Azure AD to authorize our API endpoints. These scopes and roles are assigned in our clients app ...
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1 answer
83 views

Should an access token really be cryptographically signed?

In a web app I'm writing, a singed-in user is recognized by their cookie containing a session identifier. That session id has sixty-four bits of entropy, so I believe brute-force attacks are ...
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How do you reduce security risks when using NPM packages in commercial Web development?

This is a question for software engineers who are tasked with managing the development cycle for a Web application using NPM packages for deployment on a customer's Intranet or the Internet. This is ...
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Add API for smartphone APP requests (Ionic6) to Flask APP working with browser requests

We have a working multi page python flask web MVC application using bootstrap. We are looking to create app for smartphones and we decided ionic would be the better framework (along angular) since we ...
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5 votes
2 answers
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Is "this" in JavaScript out of fashion?

I'm not a frontend dev, but I recall that a few years ago, the this keyword was commonplace in frontend codebases. In recent years, I haven't seen this get used anymore. In the last few frontend ...
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Navigating a many-to-many relationship and determining price from a bulk API Call

I think it will help to give a little context, not only about the DB architecture but the actual product. I am building a business where we will be selling pallets of liquidated merchandise. Think a ...
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2 answers
72 views

Requiring HTTPS for an application "end to end", but not via a proxy server

We have a on-premise web application with frontend (Node/Express) and backend (Python/Flask), which, like every other web application I've ever worked on, provided HTTPS by using a proxy web server (...
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Architecture for SaaS that can run in my company's cloud or in clients' networks [closed]

I am working on a portable SaaS web application that has these requirements: The application can run as a cloud service hosted by my organization. Clients can run the application in their own on-...
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What is the name of component handling the HTTP requests from client in more complex infrastractures that just "client-server"? [closed]

Although the splitting of web application/ web sites to front-end (client) and back-end (server) is popular, this binary division is frequently pretty far from actual complexity of architecture: The ...
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2 answers
171 views

Semantic versioning for SPA applications with a RESTful backend

I am building an Angular web application with a RESTful backend. I plan on using semantic versioning to differentiate between different releases. I've already read a bit about how to implement ...
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2 answers
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Should I hide admin functionality code in Client Side Rendering App?

I'm starting a new project in which we will use Client Side Rendering for the frontend. This is my first time working with this kind of technology and I was wondering which would be the best approach ...
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1 answer
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Is it possible to store data for an offline-first native app that syncs with a web version without a backend?

I'm working on a somewhat typical notes app that I plan to create with React Native. Since the usage involves a lot of typing, it makes sense that there should also be a web version that users could ...
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-3 votes
4 answers
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How to detect user location and divide your APP / website up by Country? [closed]

So here is the problem that I need to solve for my APP / website. It will be available for everyone on the planet. But Users will only interact with and see content from other Users of the same ...
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2 votes
4 answers
158 views

How to design around webapp Out of Memory crashing on export from SQL DB to Excel?

I have a monolith CRUD application with a feature - possibility to export some DB entires to an Excel file. The export is done within a background task. Often, however, when user presses the button ...
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1 answer
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How to share users between multiple web application?

Objective I have to create way to use the same users to connect to multiple application, and i am thinking about how to do it and how to share the data between the applications. Details Each ...
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1 answer
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Design approach where to persist autocompletion suggestions

I am currently planning a movie recommendation application. Within this context, the user can fill out a form including different information (e.g. title, description, etc.). The new entry gets then ...
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1 answer
146 views

Low Latency for multi-million record database in a web app [closed]

As a forewarning, this is for a school project with other school teammates, so my question is just for the sake of learning best practices. We are creating a recommendation system web app which ...
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Integration of applications to custom DB and envinroment

The company I am working for onboarded a new little app for events. It seems like a little and easy to make an app, however trying it out I have figured out how little I know about the integration of ...
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Deploying app server-by-server vs. all at once

Suppose I have a static JS single-page-app that I want to deploy to production, and there are 4 production servers. I can deploy it to servers 1 & 2, try to test it, and then deploy to servers 3 &...
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1 vote
2 answers
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Minimizing queries on a database

I am working with a large dataset (~5GB) stored in a Google BigQuery database. My goal is to create a web app which works a little bit like an Excel spreadsheet where users start off by seeing the ...
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0 votes
1 answer
122 views

How to execute code "under the hood" in my no-code platform

As a learning project I started looking into how to mimic some basic features of a no-code platform. I usually code in Java/Python, have good knowledge over Javascript/HTML, but wanted to use this to ...
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Where to sync Database and Search-Database in MVC pattern

I have a website-sideproject (Application Server: Django, Database: sqlite) with "search" functionality and I've recently stumbled over this problem. When you have a full-text-search-...
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-1 votes
1 answer
59 views

How do I authenticate API request when I dont have credentials for the other end

I am developing an app in which I have to fetch data through company provided APIs. All the authentication is done on their end, so I don't have to build my own APIs. However, There are some ...
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0 votes
3 answers
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Should I separate the public and private portions of an application into two separate apps?

So I'm currently running an analysis task for my company. I won't go into too much detail but we are dealing with medical records and other confidential data. Previously this application was only used ...
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-1 votes
3 answers
141 views

How do web apps provide support without revealing customer data?

I'm on a dev team where the product manager wants to allow internal users to "impersonate end-user and show the site exactly as the user sees it". I argue that this raises security flags and,...
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3 votes
1 answer
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Distributing Web application to multiple customers

I am building an app (stack is Python/Django/React and DB is PGSQL) that is supposed to be used internally in companies to track their work, assign people to different tasks, throw some statistic data,...
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Web application on multiple domains

I am developing a web application that will be single-tenant (one customer, one server). /security reasons, based on customer requests, one customer has more functions than another.../ (currently web ...
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0 votes
1 answer
174 views

How to set up 2 versions of Single Page Application and serve the right version to users based on the backend setting?

We develop a Single Page Application (SPA) for enterprise clients. When we deploy a new version of our SPA we would like to upgrade a subset of clients whilst leaving the other clients on the more ...
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0 votes
2 answers
318 views

JWT logout: Sharing blacklisted invalid token among services

I am working on a microservices project involving 4 services - Auth Service, Service-A, Service-B and Service-C. All the services are implemented using Spring Boot. The Auth Service is responsible for ...
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-2 votes
1 answer
105 views

Bidirectional end-to-end communication between native application and web application

I'm in the planning stages of a project involving communication between users in the browser environment and numerous devices running in a widely distributed manner. The end goal is that users using ...
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3 votes
2 answers
560 views

Why do backend web frameworks use "MVC" when they have no persistent UI to update?

Model View Controller (MVC) is focussed on UI based applications. In MVC the model notifies the UI (view) when its values change and the view then decides what and if to update. I can understand this ...
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1 answer
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How to optimize the request time for large data response?

I have created a dashboard for rendering a list of clients into a DataTable. Below shown is the data model structure: When I had a few records in the clients schema, let's say a thousand rows, the ...
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Web rendering - Trying to figure out the different kinds of rendering

I have a background as a full stack web developer, but didn't code professionally speaking for about 8 years, now focusing on technical and/or functional analysis. In the meanwhile, many things ...
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0 votes
1 answer
90 views

How to architect a collaborative web application for live updates?

When using collaborative applications like issue trackers, planning tools, etc. it can be very frustrating to have to keep hitting refresh to make sure you're viewing the same state as your colleagues....
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1 vote
1 answer
385 views

CQRS-style "API" for frontend good or bad idea?

I'm building a lot web applications for internal use, my setup is basically ASP.NET Core, React/Angular and Typescript. I started to find my self duplicating a lot of code from C# into TypeScript ...
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0 votes
1 answer
106 views

Websockets vs Ajax for live search

For building a simplistic live search system, I trying to decide whether to use Websockets or Ajax. Implementation wise, for every letter the user types (or maybe every 0.5 seconds), a database query ...
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2 votes
0 answers
61 views

How to back out of a website development job that's way out of my league [duplicate]

TLDR: project scope has crept beyond my capabilities and I need an early exit strategy (in both parties' best interest) Early last year I took on a gig to develop a web application for a financial ...
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-3 votes
1 answer
85 views

Serving large file (dozens of GB) to client from a server-side query to the Azure SQL database?

I have an SQL database in Azure that is ~4.5 TB / 150 million rows worth of data. Users will need to query this database for large sets of data. Right now, I am having users submit their requests ...
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1 vote
1 answer
63 views

Design help for web application that will run as separate instances with different content

I've built an RSVP web application with a React front end, Node.js backend, NGINX webserver, SQL database and hosted on a DigitalOcean Droplet with Ubuntu. The issue is, every time I want to launch ...
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3 votes
2 answers
1k views

Solution to notify users Single Page Application (SPA) static resources have updated if users don't refresh their browsers

I need to design a way to notify my user the SPA has updated if they don't refresh their browsers, i.e. if no requests to get index.html is made after the initial load, how do I notify users the ...
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4 votes
2 answers
829 views

What is the benefit of having separate web servers and application servers?

Most of the web applications that I have seen developed in my organisation , have the following components : JS App (from browser) -> Web server -> Service(s)/Application server(s) -> ...
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2 votes
3 answers
721 views

Email Confirmation links must be GET, but not safe

When a user signs up to a web app, they often get a confirmation email. This email will contain a link. Once the user clicks the link, the app confirms the user's account as correctly associated with ...
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-2 votes
2 answers
180 views

What should be preferable "architecture" for college website: Responsive vs PWA / Hybrid / Native / Flutter

We have a college management system developed over a decade as and when requirements came along. The project team also comprised of students currently doing graduation in the course. These students ...
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1 vote
2 answers
94 views

Good OO design pattern for variant return type needs

I've got a validation function something like this (pseudo-code): public function validate(Thing thing) { if (thing.a != "a") { return false; // most of the time } if (...
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-1 votes
1 answer
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Hotel restaurant menu ordering process

With my team I’m facing a problem. For a hotel, we are asked to develope a cloud application that will let guests taking orders from hotel restaurant menu trough their devices. To access the menu, ...
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0 votes
1 answer
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How would one go about connecting API routes from one GitHub repository to another?

This may be a basic question, but I'm having some difficulty finding an answer online. My project is a MERN application that draws from an existing open-source API. This API utilizes a database that I'...
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1 vote
1 answer
98 views

Is bytes as request parameters as rest endpoint a security risk?

I am working on an application where user can send in an absolute path of an image or URL as string in API endpoint. My code is able to handle that. Now I have been asked to add the code which can ...
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-2 votes
1 answer
55 views

Practices to detect tenant in multi-tenant applications

I am wondering what are the best practices to build multi-tenant applications, specifically ways to obtain tenant identifier or detect tenant. I am aware of domain based tenancy where domain tells ...
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0 votes
1 answer
44 views

App-Website Communication for Ionic/vue.js App

Currently I am designing a cross-platform mobile app using Ionic and vue.js. That app enables users to create a game, add players and play rounds. When the game is played, a score for each player will ...
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-2 votes
1 answer
330 views

Possible to have completely offline PWA?

I've been learning about Progressive Web Apps and how they can provide more offline functionality within a native app-like feel. I want to give users the option to download a whole site (all pages/...
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