All Questions

Sorry if the header seems a bit confusing. Simply, I am parsing HTML of a website by using JSoup library of Java. The thing is, the HTML is dynamically created in that website. My code should first ...

I have a question about the best database schema to do this. So, we want our database schema to carry out some generic operation <> involving two units of data, x1 and x2 (e.g. a1). // CURRENT ...

We have many different aggregates that use an address entity. But we also have an address aggregate because we have a global address book as well. Aggregate Company has many Address Entities ...

I'm trying to understand what are the benefits of the fact that python defaults to not checking function arguments. For example: from some_module import my_function my_function(some_argument) # ...

I have a web project in. Say, it's in Rails, or any other well web framework. And I plan to be creating copies of it and running them all. Let's say, it's a blog. Each blog will be deployed on its own ...

I am currently trying to model IoT devices within buildings. I could start from scratch and develop the data model myself, but this seems like a common problem which will have been solved multiple ...

May I know what all reporting tools offer webservice based data access and report generation facility in Analytics era. Why I am asking this- Direct data access or sql based data access is not ...

Background/Our situation: Our environment has many components, including database, Windows Server, Linux, ETL platform, Scheduler Platform, and about 5 other types (so 8 total components = code ...

What are some good practices for handling communication between a frontend and a backend? From what I know in order to keep things loosely coupled you shouldn't just have your frontend have a ...

I'm trying to fix a bug in code I'm maintaining where non-unique hashes are being generated due to an inadequate hash function. Background The code is attempting to store 3D vectors that are identical ...

Who has invented the abbreviation cnt (short term for counter, a often used variable name) in computer science? Thanks a lot, who knows more about it.

Its an infrastructure monitoring application. We have a spring boot (2.x) based Service Oriented Architecture (SOA) with multiple modules in our project and the center point is a REST services module ...

need some advice...I am fully aware that Validation/Syntax Checking, etc. should happen above the Data Access Layer. However the powers that be would like the DAOs to do an extra check. Should when ...

I am currently writing a quiz web-app with a React front-end and a Golang backend, with a PostgreSQL database to keep track of the quizzes, the questions on the quizzes, and the choices in the ...

I have a set of elements that I need to iterate over as part of a modeling workflow. The elements exists over a set of dimensions (i, j, k, l). Due to model constraints, most of the elements within ...

I know with NPM caret, tilde and some logical operators can be used to specify version ranges. This post explains a bit on how this works. The problem now is I find it hard to reconcile the use of ...

Can anyone help me how to normalise this case study data into 1st normal form (1NF), 2nd normal form (2NF) and 3rd normal form (3NF)? For education purpose only so I can enhance new skills.

I have read a lot about separating methods and function into "single reason to change" classes. But when it comes to data, I find very little details. I am not sure where to put the data, ...

Usually, when using "reducer pattern" we call reducer a function that takes previous value and change argument that should be applied. reducer: (state, event) => state In some cases, it ...

This may be too general of a question, but basically whenever I try to find an answer for something that would work from a Javascript approach, the answer heavily implies that you wouldn't do it that ...

I was reading the Continuous Integration by Martin Fowler article yesterday, the article is from 2006 but I think it is still very applicable today, the statement around a single command stuck in my ...

Question, what is a good way to handle large CRUD web pages? My current process is this: I make/edit the SQL table with IDs I get another set of IDs in the HTML form, which is sent to a PHP page In ...

If all accounts have 2FA for a given product, is there any reason why the 2FA box couldn't be on the primary login screen? Is it bad practice to request 2FA code along with username and password on ...

I've been taking a course on plain language writing, in order to make my commit messages more readable and understandable. One of the main ideas in plain language writing is that your first identify ...

for example: type AParams struct { a int b string c []anotherStruct ... } //domain/repo/a_repo.go type ARepo interface { GetA(params Aparams, ...) (entity.A, error) } /// infra/repo/...

Can i know about the source code concern with the open source license I know if i use my proprietary with GNU, I also have to release under the GNU license. However, if i use my proprietary code with ...

I'm going to translate into UML a C++ project I have been doing for a few days and which I estimate convenient to handle as a model for a way better management. The problem is the following: I tried ...

I'm currently collecting the data about flat prices. I have size, price, location, price per m2 and date of retrieving the data about flat(sample date). I'm plannig create MySQL database filled with ...

Let's use the Twitter API as an example. My understanding is that we refer to /statuses/update as an endpoint and we refer to POST as a HTTP method. So what would term do you use to refer to the pair ...

In other words, is it good to define the method that removes an element in a collection inside the class representing the element, considering a composition relationship? Something like: listElement....

What is the best practice to save user informations like firstname,lastname, address...? Directly in the Keycloak db or in the application database and the identifier from the keycloak user will also ...

I apologize if this sounds really strange. I am very new to System Design and have just been reading up on Event driven systems. To gain better understanding and to perfect my thought process I ...

I know some systems called ATS that offers posting your jobs in many other sites like indeed, many of these sites not has an API, how the ATS publish in this sites? Also these sites obtain the data of ...

Background: We have software that displays different products to the user Problem: With a given set of rules, determine which is the primary product we should show the user. These are images. We are ...

With few years of C programming, I noticed there are two major types of design choices for data organization. I offer an analogy below. First: height folder: Andy.txt, Bruce.txt, Chris.txt and Tina....

I'll start with familiar apology for what might be a long-ish question, and possibly for not being the best forum .. but not for lack of looking ... I wonder if I might get an opinion from some clever ...

I recently had a discussion with colleagues about the use of futures (std::future in C++) or asynchronous calls in server applications. On one hand, if you have server logic that needs to access an ...

I have multiple instances on the same worker that process long-lasting tasks. Usually, those tasks last about 30 minutes - 5 hours. Tasks are stored in RabbitMQ. Workers are deployed as Kubernetes ...

A company wants to build an online recruitment system. The logged-in person can add the recruitment application, and attach his CV and some documents. He will wait for the application to be reviewed ...

I am considering using Azure Service Bus, however my question applies to queues in general. I have a requirement to send messages in a certain order. Say that the publisher sends a message to the ...

I have this solve function. From my understanding the backtracking part of this algorithm is the line after the recursive solve(). I would think that it would leave 0's in the final board. Say if I ...

Ok, Qt can give you widgets and windows for a Windows app, or you can use Python's Tkinter, or you can do a Visual Basic app by drag-and-dropping buttons and widgets. All that is nice but how is GUI ...

I'm working on python microservices based app and I'm wondering how to ship updates. Let's start by a summary of what I have: Code base on git (several repos) The app is running on several remote ...

I'm trying to write a program to play a simple multiplayer (it's safe to assume less than 10 players) game where each player has a number of resources. Every turn the players make decisions that ...

We are introducing events to our system (I would hesitate to call it 'event sourcing', but we have started down this road). To do this we are still maintaining the same HTTP public 'CRUD' API's, but ...

In Vertical Slice Architecture (VSA) you are supposed to have a class for pretty much every operation you can do (as I understand it). Some example, also mentioned in the referenced article, are: Get ...

I'm currently writing some microservices, some of them communicating using RabbitMQ, RedisDB, Kafka and other communication streams. When any of those connections drop, I can't know for sure if a ...

What is the best way of dealing with secondary reference data in event driven architectures? For example, if you have an event from an "Employee" domain that includes some reference data ...

Suppose that I have a service with 4 methods A, B, C, and D. All of these 4 methods operate on the same data source and the same data structures (defined in the IDL file), which is why logically ...

Context: We have a page which is composed of multiple sections. Consider for e.g: A product page with Product details, prices, images & offers. All the sections are shown one after the other in ...