Newest Questions

Question 1

I'm working on a platform that allows assigning users to events manually. Every user provides their general availability (Mondays 2PM - 8PM, Tuesdays not at all, Wednesdays 3:30PM-7PM, and so on). ...

Question 2

I am working on an identity and users service in a microservices system for which a passwordless, SMS-based authentication is a hard requirement, i.e. User enters their phone number System sends the ...

Question 3

I am trying to automate an old GUI tool which requires filling in some data from a CSV and selecting appropriate tree item values based on it. I need to do this in multiple instances of the ...

Question 4

I was trying to model a fairly simple real world model inside a distributed system and got stuck thinking about timing and order and would appreciate some external view on it. Assuming I have this ...

Question 5

I'm working on a WPF application which has many user interactions which start with opening a non model window, allowing some interaction with the window and the rest of the application (think ...

Question 6

I am working on a system of websites and am back to an age-old problem of how to group the content. In simplest terms, I am wanting to build something like a hierarchical organization of content, ...

Question 7

I'm developing a multithreaded game server (C/TCP). I need to send a list of 50-100 available games to a console client. Option A: Send 50-100 separate messages, using send() for every single ...

Question 8

I have been learning a lot of new things lately, DevOps, Cloud Computing, Monitoring, and Security. I have been facing my problems dead on, but System Design seems to be a bit complicated. I have ...

Question 9

I am building an API project, where I have a controller called C1, which calls service S1. Within this service, there are multiple method invocations to services S2and S3 and S4, as well as a call to ...

Question 10

I'm looking for a name or attempts to document a particular thought patten used by most experienced engineers when they debug. Most experienced engineers develop a sense of hierarchy for what is ...

Question 11

Imagine I have a function like this (written in Java): void sayHello(String firstName, String lastName) { if (firstName == null) { throw new IllegalArgumentException("first name is ...

Question 12

I'm building a web app using Spring Boot (backend) and React (frontend). My authentication is based on JWT, with both access token and refresh token. The refresh token is stored in an HTTP-only ...

Question 13

I'm working on a Spring Boot application with a VoucherService and VoucherController. I currently have the service method return an ApiResponse<T> directly, like this: @Transactional public ...

Question 14

I'm designing an application that is going to receive tens to hundreds of thousands of requests. Users submit requests on behalf of Customers (which are singular persons). Each request will contain ...

Question 15

I am in the process of writing my own software renderer. I am currently working on setting up a shader system that allows users of the renderer to create their own Vertex Shader and Fragment Shader. ...

Question 16

I’m implementing the authentication module in a modular monolith built with NestJS. Initial Draft In the first draft, the User entity included the hashed password, refresh token, and refresh token ...

Question 17

Where I work, they have never implemented web APIs. At my previous job, which I left 11 years ago, I would write several web APIs to be used for applications, reports, etc. So when I came to this job ...

Question 18

I’m writing a multiplayer server in C using sockets and pthreads. The project is separated by responsibility: server.c/.h → networking (socket, bind, listen, accept, thread creation) player.c/.h → ...

Question 19

I’m writing a multiplayer server in C using sockets and pthreads. The project is separated by responsibility: server.c/.h → networking (socket, bind, listen, accept, thread creation) player.c/.h → ...

Question 20

I have a graph: undirected, unweighted, no leaves, no disconnected edges or vertices. The graph is populated with vertices of 3 types: A, B, C. Let's say, I hold a vertex of type A, denoted as A0. I ...

Question 21

I’m working on a three layers architecture backend (Laravel). Here’s the context: I have a PasswordService responsible for updating a user’s password. and a Otpservice responsible for verifying/...

Question 22

Since I started studying security in web applications, it seems that everyone always says to never store sensitive information (e.g., refresh tokens, access tokens, and so on) due to the risk of ...

Question 23

I’m developing a system with separate front-end and back-end components: The back-end is already implemented with Node.js and Express, exposing REST APIs. The front-end must be a private SPA, ...

Question 24

In our website, we see many crawlers which pretends like human trying get contents. These crawlers are not well known like Google/Bing/Facebook etc. I can identify those crawler's IP and they are ...

Question 25

We need to do the front-end with spa. The question is whether to use a full-stack framework like next.js, but only the front-end part, without server-side components. If I don't use them, could these ...

Question 26

In PHP, trim() exists. By default the second parameter is " \n\r\t\v\x00" I wish to introduce my own version which doesn't deviate far from the core functionality: // Trim whitespace in ...

Question 27

I'm using SDL2 in my game engine and have created custom event types that use the data from SDL_Event. This works well within my own code, but it becomes problematic with ImGui (and other libraries ...

Question 28

LGPL has certain requirements for software that uses LGPL libraries. The most common way to satisfy these in otherwise closed-source software is to supply the LGPL library as a dynamic library, which ...

Question 29

I'm currently analyzing a process that is considered too slow. In summary, it's a task that loads a lot of data from Microsoft SQL Server, performs some basic stuff on it, and creates a report. It ...

Question 30

I’m building a modular REST API using Node.js + Express + TypeScript. My controllers are defined as classes. In my route files, I currently create a new controller instance, like this: import { Router ...

Question 31

I have an application with very strict requirements around auditing and the "replayability" of user actions. For this reason, I've chosen an event-sourced architecture because of its append-...

Question 32

I'm learning Domain-Driven Design (DDD) and studying different architecture patterns, and I’ve come across two seemingly conflicting design philosophies around domain modeling. 1. Rich Domain Model ...

Question 33

I've just opened a relatively similar question (why nobody indents Bash?) on Stack Overflow. What I'm asking here is whether do you think the facts there is no type enforcing; there is no indentation ...

Question 34

I have a Python class called FunctionsManager; its __init__() method is the following: class FunctionsManager: def __init__(self, instance_class1, instance_class2, ..., instance_classN): ...

Question 35

I've been working on an implementation of a service, and have found that there are a number of operations where I need to read from a database to provide a caller with certain data or objects. In-line ...

Question 36

The Java List<E> interface includes methods, such as add(E) and remove(Object), that work as the names suggest on instances of mutable concrete implementations, such as ArrayList<E> and ...

Question 37

I've had reasons to design an application that should 1) run in the background to show status and notifications, with 2) dialogs showing details and configuring the app through more powerful widgets. ...

Question 38

I'm working on a program that runs as a sort of plugin to the Windows UAC prompt (and other similarly difficult environments). The testing situation is a bit abysmal. End-to-end tests are not possible,...

Question 39

I am tasked with implementing authentication and authorization in a distributed environment, so I plan to use JWT. I get how authorization works with JWT - if the token is not expired, and the ...

Question 40

I'm in charge of developing an application that sometimes needs to process massive amounts of data from a Greenplum (a PostgreSQL-derived) database. The process involves a Java 8 program running on a ...

Question 41

We're developing an anomaly detection web app as a Capstone Project, and we're currently revising our manuscript. In our last capstone defense, one of our panelists mentioned that the data stores in ...

Question 42

I’m designing a backend in TypeScript (could also apply to JavaScript), and I’m wondering about the architectural approach. Is it better to stick to a single paradigm (e.g., fully object-oriented or ...

Question 43

Say I have the following header #ifndef WINDOW_HPP #define WINDOW_HPP // includes... namespace window { struct Window { GLFWwindow *handle = nullptr; }; struct ...

Question 44

I am doing the frontend for a Java Spring backend. The project uses JavaFX for the front but I a migrating it for web usage (with VueJS). When I make an API call to retrieve an object, I am receiving ...

Question 45

I am learning backend development by building a simple URL shortener project. My goal is to learn backend concepts and try to do things in simple but better ways, keeping scalability and reliability ...

Question 46

When we write the "Purpose" section of a SRS document, do we write: The document purpose? or The Software to-be-built purpose? I have checked some examples and it seems the first one but ...

Question 47

I am currently rethinking my API response schema and caching strategy while implementing ETag-based caching for a paginated REST API (for example, listing places). Each paginated response looks like ...

Question 48

Is there a name for this anti-pattern? A reference to a class member is being passed to another class method, rather than having the class method set the class member directly. public class ...

Question 49

I’m modeling a use case diagram for an online marketplace system. In one of my use cases, the seller can perform three different actions: Accept an offer → closes the negotiation, Reject an offer → ...

Question 50

How much auto is too much when creating utility functions in C++? Here's an example. I have a Qt application where, at some point, I need to find what is the maximum value among the integers that are ...