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). ...

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 numberSystem sends the ...

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 ...

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 ...

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 ...

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, ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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:@Transactionalpublic ...

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 ...

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. ...