All Questions

The suggested file structure for docker container is something like root ├── app/ | ├── ... | └── Dockerfile | ├── db/ | ├── ... | └── Dockerfile ... └── docker-compose.yaml So where ...

Context Espressif's embedded development libraries for the ESP32 microcontroller contain an event system based on FreeRTOS. The event system handles connectivity, interrupts and other IO activity, but ...

I have .Net Core WebApi application with JWT token for authorization. I also have roles and permissions. To make it more flexible for end user, I decided to make permissions like this: [...

I have a Java Desktop application designed to connect to a Arduino with an NRF 52840 chip for Bluetooth communication. I want to receive BLE GATT information sent by the Arduino and display it on the ...

I have a list of application configs and business configs in a particular root folder inside our git repository. Below is our current structure as of now: We have a root Configurations folder and ...

Consider an entity that can have multiple rows for each user and it has a property that should be true for only one row for a given user. I am on the NoSQL database (AWS DynamoDB) On my service layer -...

TL;DR Why is the UNIX / functional style of composing and injecting smaller functions so much rarer than the Beck/Fowler/Bob refactor-to-objects style when it comes to writing maintainable, "...

I'm building a platform that has an entity named content. There's a clear boundary around what defines content except that it can have relationships with other content entities. Up until now, there's ...

I was recently trying to explain a particular anti-pattern to some novice programmers and found that it was hard to express without an overly-detailed example. I'm sure it has a name and that someone ...

I'm doing some research on how to scale our current SQL database and need some advice with a possible solution. The goal being able to handle more data and doing it in a way that performs well. We ...

I am writing CLI program that can accept very long strings. For this reason I decided to pipe the data into the program as I would hit limitation of the shell / OS. How should these CLI program ...

C++ supports protected inheritance: A class can derive from a base class B in a way that the "outside" world doesn't see that class "as a B" but the class itself and it's derived ...

I have a frontend through which users can submit analysis requests, which are inserted into a database. These analysis requests are received in a NodeJS server using Postgres notify/listen. Using ...

I'm working with the Dependency Injection Pattern in Unity3D (an engine which uses MonoBehavior, a class that doesn't have a constructor, as the base class for all of its game components), and I ended ...

I work in a field where lots of code is written, but hardly ever tested. This is because we are foremost scientists who try to solve problems with code. The few coding courses we had, focused on the ...

Example Application I will try to explain my problem by using a familiar application. Lets'say I'm building a Discord / Slack / Microsoft Teams clone; and for simplicity’s sake, it will contain 2 ...

I'm building HTTP API with DDD principles. The end goal is that the server runs on some chosen language X but the clients can use what ever language the software supports. Service has state, but HTTP ...

I have a bunch of excel files(Multiple sheets) with some data of similar types, but i'm having troubles when this data has to be inserted in SQL DB. the data in these files are unordered (eg: the ...

Suppose we have some microservices and a saga will run to do a transaction in 6 microservices. What if the whole system dies(unexpected shutdown), on middle of saga process in the step number 4?(...

I am developing a RESTful application with nodejs in the backend with express.js as middleware. I am also developing a client in Reactjs. I want to use an external authentication service (LDAP/AD/ADFS)...

When building a SaaS application I want to provide integrators / developers with a reasonable amount of logging, in particular the full JSON content of API requests as well as the request meta data. ...

We are developing a mobile app where consumers (companies) create AR content for their products. The content ranges from simple pictures to gifs and embedded videos. We already released versions ...

I have seen on this forum that performing the same operations with long (type of variables) takes more time as they are declared as int. See , for example: https://stackoverflow.com/questions/19844048/...

I am encountering a design problem on a new project. I have chosen the library Luxon (https://moment.github.io/luxon/) because I think it suits this project perfectly. Date-fns (https://date-fns.org/) ...

An example would be an Automobile sales application where Autos are stored with their Make and FuelTypes. An application user would save their search criteria in a SearchCriteria table which would be ...

For simplicity, assume my application logs only dictionaries. I want to add a step to Python logging for my application to prevent logging any dictionary with the key password, i.e., def clean_log(...

I have been studying the bests practices for a good code review and I don't know if when I'm doing a code review and I see code improvements but they are outside of the scope of the PR , should I ask ...

Given a layered architecture consisting of presentation layer business logic layer data (access) layer and a SPA web application communicating through REST endpoints with the backend (eg Angular and ...

From an architectural point of view, how to platforms such as Wix, Squarespace and Webflow work when it comes to translating "drag and drop" templates into a fully functioning HTML website. ...

Due to regulatory needs, we need to handle the usual industrial standard documentation, specifically User requirement specification documents, were we define the needs to be addressed by the ...

We have an application which contains of multiple composer packages. A default structure of the site is: src/ application/ vendor/ vendorname/ framework/ filemanagement/ ... Each package has its ...

Is it a bad practice (or maybe anti-pattern) to have service to service dependency in the layered architecture? I've noticed that when an application is designed in a way that a service can call ...

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 ...

I'm trying to write unit tests for business logic classes I have control on, but which operates over some services that are not designed with the testability in mind. Currently I’ve extracted the ...

It is often useful to document when (i.e. in which versions) a feature was added, marked as deprecated, etc. For example: Function FooBar(x, y, z) Foos x with y and bars them with z. (Parameter z was ...

I hear this term from time to time but haven't found any well defined precise technical definitions posted online. They all seem to use the notion as if the term scoped has been defined elsewhere. I ...

I have the following situation: class User { public Thing curThing; } //each thing can only belong to one user at a time //And vice versa class Thing { ...

Sorry if my question sounds general, I'm new to GUI and frontend/backend ideas and all that (mostly I just do scripts for math hw and such) but I make it more specific here. I have a program that runs ...

We have an API platform which allows user to create and manage a certain type resource. Client is expected to provide a callback url where our server will send notification to when the resource is ...

I want some advice about project structure and architecture. Context: I've been looking into building a news aggregate; postgres->expressjs+typescript->React (at this scope). For the moment I'm ...

I have a huge project. Inside, I have many flows, such as purchasing flow, search flow etc. I am aiming to publish logs inside these flows to S3 (for simplicity, S3 is not relevant here.) I have a ...

I am currently researching existing authentication/authorization solution that are used for REST APIs. More specifically I'm interested in backend-to-backend interactions but client-to-backend is ...

I noticed a pattern in my code, where im repeating a solid amount of code. Let's say my application has 2 layers. UI and Services. I have a FileService class, that has a CopyTo method. Now there are 2 ...

I'm developing real-time chat functionality as part of an application. As per my initial structure I had 3 Domain Objects as part of this new context: Thread (aggregate root) ThreadMessage (entity, ...

I believe extensive automated unit tests should be part of the build. However the testing pyramid suggests that there should be a much smaller number of system tests. Should an automatic build include ...

I have a problem scenario in which a list containing activities to be performed is prepared before hand for future execution. Activities in the list need to be executed sequentially. The activities ...

I have a website that is based around some external APIs related to a certain theme. It combines data of responses from multiple APIs before returning to the frontend. With that said, my server side ...

I have a S3 bucket which gets ~5000 entries added to it per day. This S3 bucket will start out with a 2 year retention(lifecycle) policy. This retention period might change in the future either ...

I am trying to create a connection with a wss endpoint. My assumption is I make an endpoint on my system (socket) and listen on it, and create a client to connect to the endpoint of the website. I am ...

When it comes to using an LR parser generated by a tool, such as Bison, a disadvantage that often comes up as counterarguments is that the resulting parser will be unreadable and complicated to debug, ...