Questions tagged [backend]

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36 views

Do i need DB/Server separation with cloud DB? [closed]

I am a beginner node.js developer and I am using GCP Datastore. I know I should host DB and server operations separately to have better security, better performance and overall control. Yet, using GCP ...
1
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1answer
73 views

Pipeline design pattern and immutability

I'm developing a backend service that is supposed to process items in a pipeline-fashion. Each stage is essentially a Function<IN, OUT>. So the current stage's input is the previous stage's ...
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0answers
23 views

How to process a long list of data from database with Message-driven bean due to the asynchronous requirement properly

There is a task in our JavaEE project: a user in the frontend page A can click a button to request to get a zip with the processed data. As the process of the request in the backend needs plenty of ...
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0answers
29 views

How would I setup this website/e-commerce architecture?

I hope you can give me a couple of advice in how to setup the following in a good way. I currently have some thoughts but need your help to guide me. I'm doing some research for a new project. It will ...
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0answers
35 views

Which would be a proper way to design a Python programme for both terminal and GUI?

I have doubts on how to face the design when making a Python programme for both running on the terminal and as a tkinter application. I'm considering that in the terminal the input would use ...
-1
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2answers
58 views

How should process be different for front-end vs back-end?

I'm looking for references that might help explain what I've seen in software engineering regarding processes for developing in the front-end vs the back-end. They are both difficult, but I tend to ...
-4
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1answer
40 views

Message Strings in Backend

Its ok to have hardcoded strings on backend? Example: Log.e("Error connecting to the database") The text "Error connecting to the database" should be hardcoded there? Or should it be in a separated ...
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0answers
82 views

Structure of constants between back end and front end

I have a form that's being submitted from my front end to my back end, and the back end is responding. I'd like to ensure that they both send JSON in a format that the other side will interpret ...
0
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1answer
89 views

What are differences in application architecture in frontend and backend applications?

I'm pretty experienced with developing both frontend as well as backend applications, with a variety of programming languages and frameworks. I know the problem space and concepts involved in both ...
-1
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1answer
237 views

Deployment / Release strategy for separated frontend + backend web app

We develop a web app which consists of a frontend and a backend project. The frontend is consuming an API that is provided by the backend. Frontend and backend are developed separately by different ...
-2
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1answer
119 views

How should I design my API responses?

I'm working in a rest API for a turned based game from scratch, and I'm having some troubles figuring out the best architecture to do it. I need to explain how the game works and what is my ...
1
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1answer
41 views

Determining the service calls within the API based on the each consumer request

Currently, I have a rest API service which serves to many different consumers. One of the endpoints of API is for retrieving an order. Inside a single application, I am making 5 different service ...
4
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5answers
132 views

How to designing API JSON Response with nullable fields

We were discussing how to design a API response, for simplicity, think of having to give information of all the different types of facilities available in a city: { "city": { "cityName": "...
7
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3answers
475 views

code generation - would C be a good compiler backend?

In this and this stack overflow questions, the answers state that C as a compiler backend is a bad idea. But why? C has many compilers that can heavily optimize it. Every platform has a compiler ...
64
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10answers
13k views

How do I mitigate a scenario where a user goes to pay, but the price is changed mid-request?

This is kind of similar to the Two Generals' Problem, but not quite. I think there is a name for it, but I just can't remember it right now. I am working on my website's payment flow. Scenario ...
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0answers
27 views

Gateway aggregation is only for microservices?

I started to work in an existing Angular app that consumes a monolithic Web API writen with .NET CORE. This API has dozens of controllers(routes). In one of the main screens, when one specific event ...
-3
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1answer
84 views

Backend with many services

I'm mostly a Front-end Developer. One day I heard about such a thing at work like "authentication service", "registration service" and it turned out our product's backend has many services running ...
1
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0answers
40 views

Angular integration with back-end

We're developing a big project for our company, and they asked us to use Angular even though none of the devs have any considerable experience with it. The back-end is C#/.NET Core with ABP. My ...
1
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3answers
73 views

Proper DTO structure for a dynamic list of properties

I have an endpoint /api/properties which returns a dynamic list of properties, e.g. { userId: 1, groupId: 2, ... } The difficult part is that most of the properties are integers (ids) and I ...
3
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2answers
3k views

Authentication and authorization - front-end vs back-end dilemma

I'm working on centralized authentication and authorization API system and got stuck in front-end vs back-end dilemma. Front-end person is telling that should to have only one request to that API to ...
1
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1answer
102 views

Saving flags in the database without relationships to other tables

I have an admin panel which can set a lot of options which will affect some other services drastically. For example I got one that if I create a different category I can just insert it in the Category ...
1
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1answer
207 views

Should I keep my web app front end completely backend agnostic

I am very much an amateur developer. I have written a web app which uses parse-server as a backend. My question revolves around how agnostic the frontend should be to the backend (parse server)? For ...
1
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2answers
174 views

Excel Addin VBA, Backend/Frontend

I have a question regarding what is supposed to be backend and frontend for desktop applications and in this special case, an Excel Addin VBA. My application contains lot of forms and modules. I ...
2
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0answers
102 views

Connect a web-app to to the back-end message queue

We are currently looking into dividing our back-end in multiple services using a message queue (RabbitMQ). Having a message queue suddenly gives us the possibility to update the web-app freely, but do ...
2
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1answer
307 views

Front-end supporting multiple back-end versions - Maintaining backward compatibility

I know it's a broad question so I'll try to be as specific as possible. This question is probably as much an "organisational" question as a technical one. Our company is selling our software/platform ...
0
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0answers
33 views

Notification system on app using Firebase

I have to build an app that manages orders between customers who submit the orders and riders who deliver them. Riders work in shifts, so when a customer submits an order, only the riders that are ...
-2
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1answer
135 views

Principles of Adding New Objects in Backend/Database and How Front End Business Logic Should Work with Response

Apologies for the title, perhaps someone can suggest a better way to summarize my question. Let's say I have a task/checklist application. On the front-end, I create a task. The eventual result is ...
-1
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1answer
42 views

How should I update back-end data (e.g. follows, likes, etc.) which changes at an inconsistent rate?

(This is a conceptual question but as reference, I'm using Android Studio (Java) and Firebase Firestore...) My app currently has a structure where the user can follow authors and favorite their works....
3
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1answer
246 views

Where should the display messages on the UI be stored?

I am a backend developer and was having this argument yesterday with a frontend dev in my team about whether or not should I let him fetch the displayable text message about the result of an operation ...
0
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1answer
615 views

The Frontend-Backend Vs. Backend-Backend

I've seen this pattern pop up in a couple of different teams. They have a server with a REST API and a frontend web project. What commonly happens is the frontend developer finds their requests are ...
0
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3answers
161 views

Duplicated formula in front and back end

I'm struggling with logic that is duplicated in the front end code and the database. Right now, I just put a comment. Here is a small example (the current system has a lot of much more complicated ...
2
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1answer
74 views

How to indicate to backend that model need be updated or created new?

There's a complex model which represented by complex JSON with multiple fields and nested objects. Recently we have discussed in which way indicate to the backend that the object needs to be saved as ...
5
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2answers
749 views

Clearing up misconceptions about a Flask backend and client-side rendering

I am building a website and along the way I have come across a lot of things I didn't know about and was hoping to get some help in understanding some of them. I started building a website using Flask ...
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2answers
167 views

Why are multiple backends in this system? [closed]

I am trying to understand the architecture of the system described in this patent about aggregating and analyzing confidential data: https://patents.justia.com/patent/20180089196. The general ...
1
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3answers
267 views

Modelling recurring events

I am in the process of writing a web app to track expenses and which will be multiuser. Everything is fine with a single expense, but I am struggling to find the best way to represent recurring ...
0
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1answer
510 views

Debugging code in production?

I've come across a problem that doesn't occur in our development environment or test environment, but does occur in our production environment. Obviously, this environment is pretty locked down, and ...
1
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2answers
77 views

Securing e-commerce administrator panel with a VPN

I am developing the back-end of an e-commerce system, which has customer and administrator type accounts. These two roles do not overlap, administrators are there to do the back office work, while ...
0
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2answers
130 views

Proper way to manage database for distributed backend architecture

My application backend consists of a bunch of standalone tasks linked together by messaging queues. They all need to access the same SQL database in order to run and store their results. Right now, ...
1
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1answer
137 views

Where to put intermediary business logic in a backend

Consider you have a GravityLogic and a WeakForceLogic class. In themselves both provides tons of business logic. Now you want to create interactions between those which produce a complete different ...
1
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1answer
149 views

Best practices for maintaining data contracts with different ends of the system

I am currently researching best practices for data contracts between components in our system. Right now we've stuck to using Word documents and JIRA tickets when the contract changes. The data ...
0
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2answers
93 views

Class design : Decide between file and database for storage during runtime [closed]

Based on the demo or license version of my application, I am supposed to either save the data to a file (xml) at a specific location or a relational database. What should be my approach for this case ...
1
vote
2answers
5k views

Ways to authenticate and redirect with decoupled front-end web application

I have a coupled web application (frontend and api backend served from the same application). It's worked well for our needs but I've been curious about the differences that would go into having a ...
1
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1answer
96 views

Backend - own database vs live parsing

I am developing a mobile app that depends on some nearly static data. I will gather that data initially from an existing website by doing some HTML parsing. I could now create a database from that ...
0
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5answers
939 views

Frontend and backend developer working on a project - who starts the tasks first?

Even though it depends on the context, I was wondering: during a project that requires a frontend and a backend developer, who most often starts with the tasks first? This assumes the web design is ...
-2
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1answer
86 views

How to calculate user activity

I am working on a Xamarin.Forms PCL social media app project. People can like posts and comment on them which is saved in MySQL. I would like to add an activity page. What is the best way to ...
1
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2answers
2k views

Best Practices - Including endpoint URL calls in JavaScript vs backend calls

I am building a web application that will retrieve results from a remote server and use them to render some charts and maps. The remote server has already been implemented and contains a large amount ...
3
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1answer
194 views

How do websites/apps deal with so many people online at once? [closed]

I’ve been wondering about this for a little bit, but I couldn’t find much info on Google. What do big websites like YouTube do to manage all the traffic they get without their website slowing down? ...
3
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1answer
3k views

How to architect Notification service logic?

We are building a notification service whose work is to send push notification to end user. There are two types of notifications Group notification where we send same text notification to all user's ...
0
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0answers
209 views

Integration Testing a dynamic backend

Our company creates financial software that integrates into a banking system backend. We're running into a lot of problems making changes to it without seemingly impacting another customer or another ...
-3
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1answer
841 views

Where is better to calculate the total sum, back end or front end?

If I have a list of products and I need the total price of those products. Where is better to calculate the total sum, back end or front end? Front end React Back end PHP Table that shows Invoices ...