All Questions

How do you properly reference an entity inside an aggregate? For example, by the index of a list (doesn't seem smart if you re-order the list); a GUID (thought it was supposed to be local?); or some ...

Hi :) I am beginner with C#. On input I have array filled with numbers. If someone accidentaly put invalid value e.g. word or punctuation I need to convert it to number 0 instead. Thank you very much! ...

Is there a book or course on good software design? Where I'm coming from: I recently worked on a project that overshot its deadline by more than a year because it was designed and implemented by ...

I'm working on another tutorial: if l used a computer with an SSD-hard-drive containing an instance of Ubuntu 18.04 LTS installed with a set of Nvidia GPUs loaded with the Nvidia-CUDA toolkit but ...

I design a new Rest API for a personal project and I am trying to implement the authentication and authorization mechanism as a separate project, so I ended up with a couple of problems which I am ...

Suppose a large-scale project is being developed in Python 3.7. Some layered architecture is chosen: "clean architecture", "onion" or "hexagonal". The Dependency rule in it only allows inward-...

In the company I am working in we have a management software, written by an external programmer. Let's call the software PK. PK was initially written in the 90s using C++. Since then it was regularely ...

I am not as technically skilled as most people asking here. I use git to backup my own work to an online repository, but I rarely use it in collaboration, and don't know much more than the basic ...

I am busy developing code that processes a bunch of objects that represent monthly reports for regions (e.g. one instance per region per month). Let's call them RegionMonthlyReport objects. At the end ...

I've been trying to design a database to go with a project concept and ran into what seems like a hotly debated issue. I've read a few articles and some stackoverflow answers that state it's never (or ...

I love the Material-UI library, but some things that I've found annoying: I find Typography too long to write out, especially when I'm having to specify things like gutterBottom, align, etc. Whereas ...

Say I have been using an LGPL licensed library in my (proprietary) application. I am distributing it along with my application for ease of installation for users. AFAIK, this is allowed by the LGPL ...

I'm working on a project with huge files that contain only the set {[0-9],.}. Encoding in UTF-8 or ASCII make huge files. I wonder if I could find a way to encode in only 4 bits (make those file 16 ...

I'm an amateur programmer. I have a lot of interest in the inner workings of operating systems, a subject that I've been reading a lot about. What I've understood about kernels is that on most ...

I just want to know . rust is said to be system programming language then, is it possible for rust programming language to develop an Operating system and all the necessary driver without using C or C+...

Actually what i'm doing in my code base is duplicating already existing java checked exceptions like MalformedURLException.class by keeping the same exception name while inheriting from ...

I am building an application that aims to process ~10M data items per second. Each item is exactly 42 bytes small (including a sorting key) which means the total data rate will not be big 420 MB/s. ...

I have an express API that use a simple structure, folder routes (it has route files inside) and controllers, each route has a controller, so a controller(controllers for routes, not for models) can ...

My api is exposing information centering around an entity Company. Companies are complex, and can contain Vendors directly, or can contain sub-companies which contain vendors themselves. A consumer ...

I have the implemented a calculator that is very similar to the following UML diagram. The only new thing is a new class, a Recognizer class, that says if the expression is written correctly or not. ...

To me, equals() between objects of inconvertible types is one of the most useful IntelliJ inspection. It's almost never intended to have objects with different types equal to each other. I ...

I have a question about MVVM design, and where I should put some code that I would like to add. My application queries active directory for computers and displays the list to the user. Selecting a ...

From what I've observed, methods that start with the word "On" fall into two categories: A base class that defines an event will expose a protected method whose name starts with "On" followed by the ...

We have a legacy site that was written a while back using MVC. It's a valid MVC for the most part except for the Data Access Layer. The site has Models, Views, and Controllers. However, instead of ...

I've recently started learning about microservice architecture. API gateway is a pattern usually proposed for aggregating data from different microservices which own their data stores. However I wasn'...

I have a project which has a service-oriented architecture. for example, anything relates to payment is inside payment module. -dao -config -constatnts -middlewares -modules -payment -user -...

I am having a hard time looking for resources on why should I use Dependency Injection. Most of the resources that I see explains that it just passes an instance of an object to another instance of an ...

I'm having an issue with data acquisition from an oscilloscope. MATLAB captures values that are over the limit of 255 for BYTE format and 65,535 for an unsigned 16-bit integer when using the WORD ...

We have the need to develop an offline desktop application for a measurement equipment. While having quite a bit of experience in C++, We are new to WPF and VS in general. This software will have a ...

I'm struggling to understand how a ReactiveX operator can be considered functional. Operators are implemented as functions, but but with the exception of simple operators like map and reduce many of ...

Where/how do you draw the line for unit-testing classes at different levels of a hierarchy? For example, let's say you have a structure like this: public class Account { public Money ...

Imagine we have a website happy-cooking-together.com. (I made it up so if becomes available all of a sudden don't take it for real.) It's getting quite a lot traffic and multiple teams are working on ...

RFC6530 defines the necessary steps for "international e-mail" (i.e., especially for UTF-8 e-mail addresses). Apparently Google adopted the RFC back in 2014 (source). Still, most validators I find on ...

I am looking for a clustering algorithm that can cluster network based on attributes in edges and nodes at the same time. Could you help me if you have anything in your mind?

I absolutely love building games using the JavaScript canvas tool, but when I'm finally done with my game/project, and I need to refactor a few of the "stupid" parts, so to say, I feel REALLY ...

The title says it all really. If asked to produce an estimate for a project when is still very unclear what the system is, what do you do? Would you refuse to provide an estimate? Or inflate it ...

I am writing an IMU device driver in C using test-driven development methodology. As part of the driver, I pass a struct with user selected configuration settings to an initialization function which ...

So ran into an issue with circular dependency that looked like this: public class A { public List<B> Bs { get; private set;} public void AddB(B b) { Bs.Add(b); } ...

Generally I would always answer "yes" to this question, because at this point, your DI container has become a service locator, and you're losing the benefits of DI. However, I wonder if it is ...

I have written a script that periodically checks if my applications are running in my system (several VM and routers) and if there are some problems it executes a recovery solution (I didn't have any ...

I'm developing a GUI in Qt Creator 4.7.2. I installed it using the standard online installer form here. My MainWindow class now contains ~10.000 lines of code. It is now extremely annoying to ...

The underlying problem is one I seem to run into a lot. You have a collection of objects with some things in common, but other information about the objects may apply to some of them but not to others....

I'm building a go project that will be opensourced under MIT license and publicly distributed in a binary format within a docker image. I'm using a library with BSD 2-clause license that states: ...

To start with, here is the UI example to illustrate the expected UI for my website. Basically, this UI is going to list files inside a directory, including all sub-directories. So, it will look ...

So i have created a linkedlist from scratch which inserts and sorts via priority. The last method i need to add is an update priority method. I have a findNodeByID method which finds a node based on ...

It can sometimes ease readability to "draw" lines in a logfile: for example, noise noise ----------------------------- Starting Operation ABC blabla blabla ----------------------------- End of ...

I do not know the "correct" name of that pattern, so I'd like to describe it with a simple example. In C#, System.Windows.Window contains a ShowDialog method. I can define an interface containing ...

I want to understand the consequences of allowing handlers to be direct or indirect source of new domain events. In all examples I see in the literature Domain Events are usually published by ...

Disclaimer: There are some similar questions, but I didn't find any which touch specifically the problems you face while reviewing a large pull request. Problem I feel my code reviews could be done ...

I've read https://bugs.python.org/issue33098, which is about the following behavior of Python 3 a = {'1': 42, '2': 84} # keys are str on purpose, c.f. the issue import random random.choice(a.keys())...