Questions tagged [component]
The component tag has no usage guidance.
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Name of a program's startup/initial loading window?
I am writing user documentation (an SOP) that involves third party programs that I am trying to describe well. One such program is a server that offers little indication of it's startup besides a ...
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What is the difference between web components and custom elements?
"Web Components" and "Custom elements" are often mixed up, and web searches for the title of this question don't yet produce much clarity. Let's fix that.
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Conditional CSS based on external modifier class - good practice?
Introduction / background: CSS components
For a relatively large website we are working with SASS, and trying to manage CSS in components. The basic idea of components is that a component should look ...
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What is Component Oriented Programming, and how is it different from OOP? [closed]
What exactly is Component Oriented Programming, and how is it different from Object Oriented Programming?
Thanks
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Private interfaces within a package
This is basically the same as Coding to interfaces, but played out in the real world of com when there are various engineering complexities such as immutability of published interfaces and ...
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Designing module interfaces
I'm studying software engineering and one thing I'm really trying to improve is my skill in software architecture. My question is quite broad, so I'll try to explain it with an example.
Suppose you ...
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How do you decide to group components in software architectures? [closed]
I am aware that this might be a question with only subjective responses, but i keep coming back to this thought.
When you are designing a software's architecture, do you group components by their kind ...
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When is a "port" used in UML component diagram?
I currently stumbled over the the concept of "ports" in UML component diagrams and I'm not entirely sure how they are supposed to be used. Sometimes, ports seem to be used generally as start ...
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Using GPLv3 software in a open source project licensed BSD (3-Clause)
Preamble
If I say "BSD" I mean the 3-Clause BSD license
If I say "GPL" I mean the GPLv3 license
I am not the author of the GPL project
I am the author of the BSD project
Simple Task
I want to use a ...
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OOP - Composition, Components and Composites Example?
I've been reading a bit about OOP in relation to Composition, Components and Composites. I believe I understand the fundamental principle (not sure).
Can someone please provide a code example of a ...
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Can you/should you develop components for ASP.NET MVC?
Following from the previous question I've started to wonder - is it possible to implement "Components" in ASP.NET MVC (latest version)? And should you?
Let's clarify what I mean with a "component". ...
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Cross-cutting concerns and library sharing in Microservice architecture
I've been thinking about practicing with a simple Microservice (oxymoron I guess) application and I found an issue I was not able to resolve.
I'll go with a concrete example since the definition of ...
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VueJs - composing components for large scale projects
I started getting into VueJs and Vuex development and I'm looking for a "mainstream" architecture for large scale projects. I think the question doesn't depend on whether you take a ready to use UI ...
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665
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How to improve this class diagram of a system with its components
So I was given a task of making a class diagram for a bicycle. I know what a class diagram is and the concepts behind one.
The requirement is that the bike can brake, turn or speed up. Now to me, a ...
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ORM and component-based architecture
I have joined an ongoing project, where the team calls their architecture "component-based". The lowest level is one big database. The data access (via ORM) and business layers are combined in various ...
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How does one combine the state pattern and the component pattern?
Suppose we have a class Player with classes PhysicsComponent, InputComponent and StandingState, DuckingState.
The class Player itself does not have an input function, the InputComponent does. But ...
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Good approaches for sharing reusable components between teammates
Question: Talking about software development, how to provide good approaches to achieve a repository of reusable components inside a project?
Context: Working on a team of 10 coworkers may be very ...
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What is the difference between a function and a component?
I just listened to Software engineering Radio podcast on components. Their description of components were very vague, they made them sound like lower level versions of functions. I am trying to figure ...
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Where to put domain classes in a component structure and diagram?
I've got a microservice called ExamResults, with a very simple component structure:
ExamResults
(offers: IExamResults)
(requires: IExamResultsDAO)
ExamResultsDAO
(offers: IExamResultsDAO)
This ...
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Data Access Layer with Asynchronous services like MQ
I am tasked with creating a development, design and architecture guide for a large multi-year project. I have to dictate best design practices for a number of architectural perspectives. See the ...
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Avoiding polling with components
Once you create separate components that need to communicate with each other you enter the realm of systems programming where you have to assume that errors could originate at any step in the process. ...
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How to depict the relationship between a Back-End and a DB in a component diagram?
I don't think I completely understand what a component diagram should show. Let's say I have a 3-tier web application for a homestay booking system, similar to airbnb. The 3 main components are clear: ...
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How to show relationships of the component containing the interface definition when using ball/socket notation in a UML Component Diagram?
I recently found out that I have probably been using ball/socket notation in a wrong way all the time. Now I am confused by the different ways of drawing interface relationships in two regards (I ...
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Do I really need to build a class diagram AND a component diagram? [closed]
I'm modeling a system while improving my knowledge of software engineering. I am building a class diagram and a component diagram, but notice that when I tweak one, I have to alter the other. Also, I ...
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1
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Where does the burden of responsibility and support from shared components/services lie?
This is an issue that has somewhat been raised by the left-pad incident with NPM but I'm also interested in it from an internal business perspective.
For example imagine an organisation with 3 teams, ...
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Separating components by "type"?
We have just started to work with React and some of my team mates proposed to split the components in 3 types (each one in its specific folder):
components: reusable components like buttons, inputs ...
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2
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146
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Delegating work and programming to component interfaces
I have a MessageHandler class which receives and validates messages before determining which components in the architecture they should be delegated to so they can be processed. This involves calling ...
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484
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Managing compatibility and dependencies in code library
I manage a library that is made of multiple components, there is some dependencies between some of these components, for example I have a core library for common code base that is referenced by other ...
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494
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Modeling "nested" interfaces in UML
I am modeling a system that exposes a number of "plugins" (not known at modeling time) through a web API. I have a number of "system" plugins that permit to interact with the system, something like "...
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4
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Little value in unit-testing the database component
Having a component that represents the database is wonderful! You can use it from the business logic to read and write data. But should that component be unit-tested?
I would argue that it should ...
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2
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Can the port of a UML component only be a singleton?
I am working on a software assignment where the design is component based. The components have ports which provide interfaces.
My professor argues that the Port class which is exposed by each ...
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DDD aggregate and component structure [closed]
What do you consider that is there relationship between DDD aggregate and architectural component? I think that it is quite reasoned that services, which are related to specific aggregate, defined a ...
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UML Component diagram: Dangling interfaces or connecting two
I'm a novice in UML component diagrams.
How would I draw the following situation?
I have an << item >> called "DataAquisition". This item consists of a << unit >> ...
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Instance of component inside a (non-instance) component. Does it make sense?
A colleague of mine did this UML component diagram to represent both the required/provided interfaces and the internal structure of the subsystems that compose the system we're working on:
(The ...
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How to show UML component load/discovery and realization relationships
In a UML component diagram I want to show two components (among others). One is the core component that loads contents (classes) from the other. It's much like a testframework loading unit tests/test ...
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Reusable component with web service
I am trying to create a reusable component / Cocoa Touch Framework in Swift that would display the current weather based on the user’s location.
Right now I cannot decide which approach should I take....
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Styling shareable React component?
I've been looking for a good way to style a react component just using css stylesheets. I would have used style-loader, because it's as easy as require('./style.css') and allows to save the final ...
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Is nesting component properties maintainable in the long run?
I'm building components in Vue.js. They look like this:
<template>
<form :schema="form.schema" :options="form.options"></form>
</template>
<script>
export default {
...
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Component based architectures in JS / PHP: what indicators suggest that a UI element ought to be written as an importable component?
N.B. Several months after initially asking this question (and not coming up with any satisfactory answers) I am now learning to use HTML Custom Elements / WebComponents. It seems the same question ...
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Server side rendering of third party updated html components
Say I am wanting to include a third party HTML component in my site...
I know that I can simply include a <script> tag to pull in the component on the client's side; however because I do not ...
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How to represent a specific type of interface dependency in component diagram?
I'm currently having a hard time with creating a component diagram that should represent a certain type of component/interface dependency and hope that you can give me some hints. As background, I ...
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Resolving Higher/Lower level component dependency
I have a .NET application (actually this can be a problem for any N-Tiered application) which has 3 separate components.
ClassLibrary
Has Cross Cutting Concerns like logging, authentication and IoC ...
- 161
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645
views
Alternatives to inheritance for components with different behaviours?
I have been learning a lot of inheritance in C#. But am wondering if there are other ways that can be cleaner for component based setups.
I have objects that are all pretty much the same but they ...
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How should subsytem in different locations interact and communicate?
Apologies for the long post...
Where I work we have a system with many subsystems which are located in different locations. All the subsystems process some data and write the result on A database. In ...
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Render GUI from React component functions
I'm not sure if this is the right way to build React components.
I have a component with several buttons that call different functions in the component. In some of the functions I need to display ...
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How should I structure React Redux components when requesting Data From an API?
I have a search box I'm going to use on different pages (I use the term 'page' loosely here).
The search box puts its value (the search string) into the Redux state.
The results are populated from an ...
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When to use trait components, objects, package objects in Scala
When I am adding dependencies in Scala, I tend to use mixin trait components for those that are inherit to the class itself. For example, DaoGenerator extends Generator
However, for trait components ...
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MVP: Multiple Page-Controllers for a page?
I'm refactoring a big-scale ASP.NET application written with WebForms which has a very unflexible design of view+code-behind. For this refactor, I'm using MVP Architecture (Model-View-Presenter), ...
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2
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Difference between package and component?
I commonly come across the terms "package" and "component" in software engineering. To my understanding, both indicates an independent software that can be used by another (larger) software.
What ...
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Is testing UI components considered to be unit testing? [closed]
My UI components are tightly coupled with my UI framework (i.e. Vue + Vuetify). The framework provides some testing utilities that allow you to fake the rendering of these components without the need ...
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