All Questions

I'm working in Java Spring, and I have typical service and repository layers. The repository grabs a JSON; passes it along to the service; service maps the repository response to a DTO. I also need ...

This is basically a code development question that deals with frequent changes to one or more java files among many thousands. A few years ago, as a software intern, I was given a large java / jsp ...

How I can consolidate multiple projects by keeping the same namespace and move them into Domain Driven Design project? We are not a software shop and our code is not an API with no intention of being ...

I am working on a SaaS project that will have a trial when the trial is ending I get a webhook notification when 3 days are remaining. I do some stuff with this and one of the things is I update user....

In Kotlin the powerful construct of delegation can be used to extend functionality of existing interfaces by reusing existing implementations. class Demo : Map by HashMap {} Questions: What should ...

I support a large enterprise software project which frequently receives enhancement requests from our customer. The customer will only pay for the work up front in fixed-price contracts. We provide a ...

I had the idea to have a route in my REST API that returns serialized (PHP) helper objects. The client code then can use those objects to format some complex JSON structures for the next request. When ...

I have an application written in C#. This app uses a GUI for message display and user input, and the GUI is connected to the app via an interface class: public interface IEndUserInterface { void ...

To make an installation of opensource software for the Windows platform single click, I am trying to convert the setup.ps1 into a setup.exe file. (To make a powershell script executable in a single (...

I saw the term code vetting for the first time in a gerrit review page. What does it mean? The line I came across: "No XYZ check was done. However, if this project is intended to be shipped in ...

I am a novice Visual Basic user. I am an engineer, but I don't have much programming experience. I recently purchased the source code for a data recovery tool. I have decided to work through it, line ...

Does the memory allocated by class pointers get freed by the class destructor once the class method/function goes out of scope? Or do I need to manually free the memory allocated by the pointer (C++). ...

At my current company, the project I work on is coded in Java, at least for the systems / backend part. Whenever I get assigned a task dealing with the Java code, it take me hours or even days to ...

Assume I have the following method that does the same logic but deals with different objects (It's more a pseudocode): private <E> List<E> updateOrInsert(List<E> list) { if ...

We have a PostgreSQL database which we use as an intermediate staging area for our ETL pipelines. In the tables of this database, we have kept the time-related audit fields like creation time and ...

I’m reading about microservices and a consistent message I’m getting is that microservices should communicate via asynchronous means only. But I don’t see how this can work while also providing ...

What is the best way to represent two actors, of which sometimes it could be the same person? I have a case where we have approver 1 and approver 2. In most instances, #1 approves and it flows to #2....

I have a microservice based application like so: User.Microservice - stores , user information. Product.Microservice - stores products that user created. Order.Microservices - stores product orders ...

So, I had a coworker complain about how I made the following code: ... var foo = getKendoDropdown(window.foo); var bar = getKendoDropdown(window.foo); var sna = getKendoDropdown(window.sna); var fu = ...

I am writing a serverless application using AWS SAM. I am wondering, would it be a good idea to include in my template a definition of a CodePipeline (and CodeBuild for that matter) for deploying that ...

I often have to execute some function, save the output, and depending on what the output was, do different things. And then later on use the output as input to more functions. It results in a very ...

I'm doing my first Domain Driven Design (DDD) implementation. My architecture is comprised of .Net Core for defining my domain model, services, and building AWS Lambda functions. I am using Lambda ...

I've got a question closely related to this one. I'm cleaning up a colleague's mess, and I'm afraid that that means trying to work with a language -- JavaScript -- that I'm almost completely ignorant ...

Say, we have a public facing REST API which lets user manipulate data using POST, GET and DELETE. The API is exposed via Service A which at the backend calls Service B where most of the business logic ...

I am having a hard time trying to understand the MVC pattern, in particular the role of input fields in this pattern. 1. Conceptual question. Let's say I have a document as model and a text area ...

I am planning to write a program that will produce digest logs for file changes in a particular directory. The idea is that whenever a file is deleted in a particular directory, it will show up in the ...

I have a class with a (simplified) method which returns a string like this : private String doStuff(String currencyCode, BigDecimal amount){ StringBuilder sb= new StringBuilder(); ...

I am trying to build an application that have upon user registration it will provision a space and Create a database structure reserved only for that user. So technically I will be allocating ...

We've been having some debate in the office as to the names used to describe C++ .lib and .dlls When creating a statically linked library, you end up with a .lib file. When creating a dynamically ...

I read theory but I need practical architectural advice on the actual implementation in java language for microservices. In the context of the attached screenshot. Here is my setup. Order Project ...

As part of a larger project, my team is building a microservices API layer. We do not have experience with building microservices so we have been trying to figure out how to go about the project. The ...

I am reading and hearing that people (also on this site) routinely praise the functional programming paradigm, emphasising how good it is to have everything immutable. Notably, people propose this ...

I have 5 Java/android classes which are in sequential order. The user inputs data into the text box and clicks next. Two things happen, 1 the data the user inputs is passed to the next activity and it ...

The Single responsibility principle is defined on wikipedia as The single responsibility principle is a computer programming principle that states that every module, class, or function should have ...

I'm trying to document some of my JavaScript according to this JavaScript Documentation guide and came across member access (private, public, protected). I was wondering what the classification would ...

Let's say we have MQ based Event Consumer and Producer. The Producer applications has to emit events in async mode whenever a call comes in for a type of request and respective responses (when a ...

Consider class Crate that is a value object. Crate represents a valid 3-dimensional box. In constructor I validate the given parameters, and I throw an exception, if supplied dimension parameters ...

I work with some not-monolithic applications, meaning that at some level, it depends on other applications to do the work. At the moment, each application on our stack, when there is an API change, ...

In my application I have entities like employee, client etc. Each of these have methods AddEmployee, RemoveEmployee, AddClient, RemoveClient. I don't want to keep fields like EmployeeName, ...

Right now we have a highly analytical system which collects tons of various metrics. We need to display this data in a web ui for users to consume. Since we are in early stages of development we are ...

My question is based on a few assumptions so please correct me on any of them below I know that TCP has always been socket based In order for a server to maintain that socket, a thread has to block ...

I want to ask: Whether the Role class violates Single Responsibility Principle in SOLID ? I think deleteAccount() is not belong to Role class but Role class is way to extend code in the future ...

This is the first time I tried TDD. At the first time, my controller tests looks like this use RefreshDatabase; class ControllerCustomerIndustryTest extends TestCase { use RefreshDatabase; ...

I would like to create a dll library that will be loading in runtime. The library'll be using internally COM objects with MTA flag. The library will be created in main thread. So I have question: ...

I am planning on creating a wrapper class in c# which will call cryptographic functions provided by .Net Framework, just to make sure I am clear, I am not writing any cryptographic algorithm, just ...

We are migrating our deployment process from Octopus Deploy to Azure DevOps. We have been able to configure DevOps self-hosted Windows agent to deploy our application to single target machines without ...

I am planning to develop an Event Planning Application. Currently I'm in the stage of planning the app structure, for example database schemas. Basically there will be two kinds of users: The event ...

I'm trying to implement CQRS for a queue system where user can join a queue by clicking a button. The system will tell the user if queue is full. When the user click the button, it raised the ...

We have a large number of classes that is generated by JAXB. There are a couple that have identical fields and I want to see if there is a clean way to map class A to class B. Example: public ...

I'm trying to design a theoretical programming language and I'm facing a problem with high order functions. The language is strong-typed, so the way to define a standard function is like so : ...