The high-level design and description of a software system. Architectural design distills away details of implementations, algorithms, and data representation to concentrate on the interaction of "black box" components.

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1answer
34 views

is a Model exactly the same as a Business Entity?

I've been programming for a long time now, and I have always seen Model classes exactly as a business entity. For instance: sales, users, products, orders, etc... But I have come to certain source ...
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0answers
27 views

Design a system for real time events delivery [on hold]

Please share your thoughts over this designing question (If you need any more info, pls. do let me know): GIVEN: Let's say we have a popular eCommerce site with lots of sellers and millions of ...
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0answers
16 views

moving Data mining model from “lab” to production environment

I am designing the architecture of an analytics system . I have a data mining ensemble model developed in scikit learn . I want to move this to the production environment so the new incoming data can ...
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0answers
36 views

package management for C++ project [on hold]

I am a programming student looking to apply my programming skills to develop a custom C++ project. My project is an educational software project that includes a main interface that allows the user to ...
3
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4answers
153 views

Architectural / Application Practices to guard against 'breaking changes'

We have an application where the customer has changed their mind about a large area of functionality and this area requires a large amount of re-work. Whilst the re-work itself is not an issue, it ...
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0answers
35 views

Architecture for allowing multiple user interfaces [on hold]

I'm writing a time tracking application that will have a command-line interface, a desktop client and a web client. What is the best architecture for this? I'm thinking in making a stand alone back ...
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2answers
59 views

Architecture for process that can be invoked to return errors as well as silently

I'm looking for some high level design/architectural input for the following. I have "some business process" I am writing in code (the importing of data from various CSVs into a database. There is ...
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2answers
71 views

Where should I place business logic validations?

We are having a heated discussion about this at work: For sake of simplicity, I will use examples in the question. Assume there is an application with an account request form, for which we have these ...
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1answer
197 views

Is DDD any good nowadays? [on hold]

This is not a rant about DDD but rather some experiences and observations I've made through the past 2 years since I first learned about it. With this post, I'd like to hear what other programmers ...
0
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1answer
43 views

What are my considerations when choosing between my open-source and a supported solution? [closed]

I came into a project recently that is experimenting with the use of business process management open-source software to try to implement custom solutions within our business. The software we've ...
0
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1answer
119 views

How does the Properties Pattern work?

I'm referring to the pattern (aka Universal Design Pattern) as discussed in this blog post Universal Design pattern I guess I'm not entirely clear how to use this in practice. And how it works to ...
2
votes
2answers
110 views

Should I use a large if statement inside a view or create a different view entirely?

I'm using the MVC architecture Laravel 4.2 to create a relatively complex web application. This application consists of a website which is very heavily based on whether an event has occurred or will ...
2
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2answers
94 views

Should ids be mapped to the implementation type

This is a question of model design, and hopefully some architecture nerds have strong opinions on this. I've been developing one that I will post in an answer. Typically, in every codebase I've ever ...
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votes
3answers
316 views
+50

Multiple users using the same script for their websites

I'm working on a project, I have a question regarding the architecture: Say I have a many python scripts on my server and there's main.py which contains all the classes. And there's a script called ...
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votes
1answer
69 views

What changes in .NET software architecture have taken place in the past couple of years?

I've been away from hands on development work for the past couple of years and focusing more on delivery management. I'm looking to get a couple of new projects ASP.NET MVC apps off the group and I'm ...
1
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3answers
140 views

Is my auto-update standard reasonable?

I'm looking to come up with a standard for how to implement a system that will automatically update software. As such, there is no actual programming (yet), but I still want to make sure my standard ...
0
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0answers
16 views

Approaches for updating a WebGrid using Ajax-based CRUD operations

I am working on an asp.net mvc 5 web application. And I am planning to get this Grid inside my views:- To have a WebGrid. User can add, edit, delete items using modal popup and ajax-based. Currently ...
2
votes
1answer
55 views

Integration between services in a SOA

Assume we have a Bounded Context for Inventory (InventoryBC) and another one for Shipments (ShipmentsBC). These 2 BCs need to communicate together. They are hosted on 2 different services on different ...
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0answers
6 views

Which ORM should I use for Node.js Express and Postgress [migrated]

I have been looking around an architecture for my backend services that needs to be developed using open source technology. A Node JS with Express is an option for REST-API. However, what about ...
5
votes
5answers
199 views

How do you prioritize initial sprints to maximise the chance of catching architecture errors early?

I've worked on several projects that have used agile successfully as a means of providing continuous improvement on an already mature piece of software. But I've found it's much harder to be "agile" ...
1
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1answer
58 views

Application components dependency and decoupling

In my client application I have two major components: Core: wrapper that handles everything about running the actual application NetworkClient: A layer that takes care of communicating ...
0
votes
0answers
57 views

Service layer - fat service classes?

Let's say that I have a service for Job Offer entity in CRM app. Job offer is related to many many things, so there will be lot of methods on service layer to interact with above. What should be ...
0
votes
1answer
77 views

How should I structure an application containing business logic and display?

I'm working on a simple board game that will run in the browser. I'm thinking how to structure the program and I'd like to hear your opinions. The program will consist of the user interface part (the ...
3
votes
1answer
74 views

Software Design: Generating Documents Of Different Formats and Different Layouts

I am currently prototyping a piece software which must be able to generate different types of documents in different file formats. The document could be a letter, or a receipt, for example, requested ...
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4answers
112 views

Database design for objects with multiple states

Context I'm designing a database which, simplified, should be able to handle users sending job requests to each other, and after that a job can be started, finished, and reviewed. The design should ...
1
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1answer
85 views

Are there any design pattern to data binding in event driven architecture?

I develop a browser based game with node.js in back and HTML5 canvas in front-end. It use WebSockets for communication. My plan is to generate business events in client side, e.g.: "finishJob". ...
2
votes
3answers
83 views

Architecture for an event admission ticket scanner for events with multiple entries

I am working on a service that lets event organizers sell tickets to their events online (a lot like Eventbrite to be honest). The customers then print the tickets themselves (each ticket has a ...
1
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1answer
41 views

java add new modules to an existing app

I have an app build with JSF2.x Spring IoC,transactions and JPA over Hibernate. This is a fully functional call center app. The challenge is that now I want to add some HR functionality where the HR ...
13
votes
2answers
448 views

What does “business logic” actually mean if not “all non-3rd party code”?

I've heard people talk about business logic a lot at work, and online, and I've read several questions on this site about it, but the term still doesn't make a lot of sense to me. For example, here ...
3
votes
1answer
106 views

Deciding How To Split Up Architecture Using If Blocks

I'm having trouble deciding the best way to handle splitting up if block checks for different architectures. I may be handling the scenario completely wrong, so let me know if that is the case, or if ...
2
votes
1answer
93 views

Understanding memory update propagation in x86/x86-64 CPU L1/L2/L3 caches and RAM

I'm trying to understand in a general sense how L1/L2 (and now L3 caches) are updated and how the updates are propagated in a multi-core x86/x86-64 CPU to the other cores and eventually RAM. Assuming ...
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0answers
46 views

Economics of scaling, denormalizing NoSQL for personalized content

I am using Cassandra for a data intensive app. With relatively little operations and deployment experience, the expertise I am looking for is someone that can read the example below and decide whether ...
0
votes
2answers
117 views

Flexible and easy to use settings class

I am thinking about a way to create a flexible "settings class" in C#. The question is: How to provide a confortable way to provide default values to the settings. I want the programmer to access the ...
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0answers
55 views

Decoupling of Model and API (in an .net WEB API Project)

I currently have one separate project for my models, and one separate project for a API application that consumes this model. The intention of the separation is to avoid any outgoing dependencies from ...
2
votes
1answer
152 views

Developing a compiler for a self made CPU Architecture

Recently ive been consumed by creating my own simple CPU architecture that at some point could be easily implemented in hardware (No FPGA, but actual Logic Gate circuits). Naturally to fulfill this ...
0
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2answers
139 views

Clients connect to WCF or SQL Server

I was wondering what is the prefered way of accessing data from a server in a client application. The data will be stored on the server in an SQL database and I have previously used the following 2 ...
2
votes
4answers
108 views

REST-full design: recommended approach for fetching related entities

Suppose I have two entities author and post, were every post has an author. There exists a REST call to get a paginated list of posts: GET /posts?page={page} a REST call to get a list of authors: ...
-1
votes
1answer
76 views

Approaches for manage AD users inside my HR system [closed]

I want to start a new HR web application based on asp.net mvc-5 & Entity Framework. as it is almost the case Users inside the HR system will exists inside the AD, and when a new user join our ...
3
votes
1answer
91 views

How should I represent composeable, associative computations to be repeatedly applied to units of data?

Spoiler My question is the following: Are there any design patterns for representing chainable functions that are for the problem described below? High-Level Decription of the Process I'm ...
0
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0answers
26 views

Best approach for managing users that are defined inside the active directory , inside my custom application

I want to start a new asp.net mvc5 Personal Appraisals web project. Now I will have a module inside the system for managing users, and adding info such as primary role, secondary role , main skills , ...
0
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2answers
77 views

Sending a notification to each participant 3 hours before the meeting starts

Let's assume an application that deals with meetings where some users will participate. What is an efficient way to achieve this use case: 3 hours before the meeting should start, one reminder mail ...
0
votes
1answer
107 views

Service bus all the things [closed]

Lets assume the following scenario: bus -> service A -> bus -> service B -> bus One message comes in, one message goes out.. There could be a few reasons why to have a bus between A ...
0
votes
1answer
102 views

Clean architecture: should users go in the use case layer or the domain layer?

I recently read this article about Clean Architecture, as I'm trying to get out of some usual OO habits (interface design everywhere, but what does it do???), and program something that describes what ...
3
votes
1answer
86 views

Introduce Data Transfer Objects or expose complex data model in REST

We are working on an MVVM application. Jersey (backend) exposing a REST interface and AngularJS (frontend) being the only consumer of this interface. The application uses a complex database model ...
6
votes
1answer
183 views

In MVC should a model contain subview models?

Some background: A colleague and myself have different interpretations of MVC which means, given the same problem, we are coming up with radically different solutions. He comes from a Java background ...
1
vote
1answer
185 views

Alan Kay: “The Big Idea is Messaging” [duplicate]

Alan Kay said "OO" was about messaging, not objects and drew a parallel to biological cells. His views are enticing, but vague. The way I understand it is something like a Cellular Automata. In a ...
-1
votes
1answer
71 views

New DDD, context-oriented, functional… approach in building business layer [closed]

We are building some business modules that must be intuitive for developers to use, so the code itself explains and forces developers to use it in certain way. This applies both for enhancing the ...
3
votes
4answers
235 views

How do you handle versioning in a multi-sided project?

I know it's a broad question so I'll try to be as specific as possible. This question is more an "organisational" question than a technical one. We have a multi-sided project with these main ...
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0answers
85 views

How would one implement communication between an input device and a PC?

I'm trying to get started on a side project using a mobile device (tablet or smartphone) as an input device to a PC. In its most simplest form, I envision using the mobile device touchscreen to ...
1
vote
0answers
72 views

Implementing Facebook Flux's Dispatcher [closed]

I am getting into Facebook's Flux architecture, which is a client-side MVC variant based on React.js. It features a dispatcher, a single object that mandates unidirectional data-flow, as opposed to ...