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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7 views

how to modularize wcf services?

I am working on a WCF application that supports 4 different applications. lets call those 4 application: App1, App2, App3, and App4. this WCF Application has 4 services. one for each application. 4 ...
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2answers
112 views

Should I worry about performance, even if there is no loss of convenience? [duplicate]

Assume an application that shows a data table. The data is loaded from a database when the program is initialized. Each value in the table is represented by an input field, where each keypress in one ...
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1answer
62 views

Is it possible to create an arch that allows for an app to be downloaded and installed at the same time?

In theory, if I wanted to have a developer write some sort of computer architecture/OS, could I have him/her add the capability to download + install something at the same time. I'm thinking like ...
2
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0answers
41 views

Feasible to keep work to a minimum for distribution purposes?

I'm faced with image manipulation requirements for a mobile app I wish to develop that I could quite easily (or 'easier', at least) implement in C# or javascript, as it's what I'm most familiar with. ...
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1answer
20 views

SPA Applications: AJAX to fetch templates or build from strings

I'm working on a large angular application and I'm currently using a factory class that builds HTML templates from strings. We don't have to worry about mobile support for the application and I'm ...
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0answers
56 views

What kind of design pattern for an “investment” system? [on hold]

I'm developing a browser game with Node.js. I'm trying to make an "invest" function, letting users invest according to their balance. For example: A user came and invested 20 dollar %40 of ...
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2answers
72 views

View model structuring best practise

What is the preferred convention for structuring view model properties? It is better to use generic or more specific property names? Let's have a user, the page where this user will be displayed ...
-3
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0answers
25 views

SPA: outsourcing client-side development [closed]

Given a SPA-based web site (with a client developed using any JS MVC framework and the server providing a REST API), does anyone have any experience in outsourcing the development of the client side ...
0
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1answer
136 views

Time Management System on Local PCs [closed]

I am looking to build a time management "app" that can be downloaded and used on an individual basis throughout my company. In theory, this app would be used to track time spent on several different ...
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0answers
157 views

Client side web application architecture - best practice & patterns [duplicate]

I'm inheriting some code that takes a rather different approach to architecture than I'd have chosen myself. It consists of a HTML page, some javascript library imports and a single DIV tag. This ...
1
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2answers
84 views

Architecture to handle service concurrency on resources exposed via REST API

REST API frameworks like Python Eve handle concurrency control via an entity tag. This ensures that several clients which loaded the same resource will not overwrite the changes of each other, because ...
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0answers
68 views

What is the integration architecture used by Github for its web interface?

I am amazed by the way Github integrates with different systems like Travis. They are separate companies, but yet Travis builds blend seamlessly everywhere in the Github interface. Yes, i am asking ...
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2answers
88 views

What layers reference each other in a multi layer design? [duplicate]

I'm creating a project and I'm having difficulty and contrasting opinions on how to do things when it comes down to separating layers. I'm not fully sure what layers should reference each other. I ...
2
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1answer
75 views

Fire domain events after transaction completes

I am trying to implement a domain event system that only fires its events when the associated unit-of-work commits successfully. The main reason why I want to do this is because I have other ...
0
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2answers
88 views

Does Play framework approach necessarily leads to confuse code?

I want to start a new project and I just got in touch with Play framework, which has a ruby on rails -like approach that called my attention. I am not an expert in rails, but I think that the ...
1
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0answers
46 views

Command execution structure for graph database

We're building an application which uses complex data with rich relationships. In order to allow us to make the most of this data and easily extend the model, we have decided to use a graph database ...
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2answers
42 views

Client / Server dependencies with Continuous Integration

I'm starting to use continuous integration for one of my projects and had some questions about structure and architecture. It's basically a multi-device webservice that is split into one server ...
0
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1answer
76 views

Good practice to pass this information through URL parameter

Basically, let's suppose an application that manage some user's meetings. I have a filtering zone on a page that aims to specify the category of items I need to specifically return. ...
4
votes
1answer
123 views

Error Handling Strategies in Multithreaded Environments

TL;DR What error generating and handling strategies do you use in Multithreaded code intended for use by others and why do you use them? If applicable, state what programming paradigm it's useful for. ...
17
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6answers
2k views

Addressing the fact that primary keys are not part of your business domain

In almost all circumstances, primary keys are not a part of your business domain. Sure, you may have some important user-facing objects with unique indices (UserName for users or OrderNumber for ...
1
vote
1answer
60 views

How to use ViewModels in a layered architecture?

I've got a Java application that is using a layered architecture, we have: presentation layer, business layer and data access layer. Our business layer uses the models to process the "requests". We ...
2
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0answers
255 views

Why does the .NET framework have no concept of classes as first-class types?

It's well known to those familiar with the history that C# and the .NET framework started out as essentially "Delphi rewritten to feel like Java," architected by the chief developer behind Delphi, ...
3
votes
3answers
205 views

How would you rewrite/refactor this ? [duplicate]

Old application that is used by 50-60.000 paying customers. Company is several hundred people big. Application has a lot of business critical code (30% of all code) written in classic asp. Application ...
7
votes
4answers
449 views

Alternatives to multiple inheritance for my architecture (NPCs in a Realtime Strategy game)?

Coding isn't that hard actually. The hard part is to write code that makes sense, is readable and understandable. So I want to get a better developer and create some solid architecture. So I want to ...
1
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1answer
146 views

Git-based storage and publishing, infrastructure advice

I wanted to get some advice on moving a system to "the cloud" ... specifically, I'm looking to move into some of Windows Azure's managed services, as right now I'm managing a VM. Basically, the system ...
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1answer
82 views

Single database, multiple system dependency

Consider an environment where we have a single, core database, with many separate systems using this one database. This leads to all of these systems have a common dependency, which ultimately ...
2
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3answers
211 views

Decoupling software components via naming convention

I'm currently evaluating alternatives to refactor a drivermanagement. In my multitier architecture I have Baseclass DAL.Device //my entity Interfaces BL.IDriver //handles the dataprocessing ...
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3answers
594 views

Should we enforce code style in our large codebase? [duplicate]

By "code style" I mean 2 things: Style, eg. // bad if(foo){ ... } // good if (foo) { ... } Conventions and idiomaticity, where two ways of writing the same thing are functionally equivalent, but ...
2
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0answers
78 views

Is it a good idea to create shared UI library that would render natively on different platforms? [closed]

I am designing an application that has following flow: User designs a form using web application (J2EE backend application) The form is sent to mobile device (Android) Mobile device User fills out ...
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2answers
125 views

How to handle “circular dependency” in dependency injection

The title says "Circular Dependency", but it is not the correct wording, because to me the design seems solid. However, consider the following scenario, where the blue parts are given from external ...
0
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1answer
112 views

Implementing a modern web application with Web API on top of old services

My company has many WCF services which may or may not be replaced in the near future. The old web application is written in WebForms and communicates straight with these services via SOAP and returns ...
1
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2answers
102 views

Where should the “not empty field” validation code be written on a 3-layer application?

When working with the 3-layer model, where should the validation code be placed? for: not empty fields, unchecked options, null values, wrong-written dates, etc. To keep total isolation between a ...
0
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2answers
187 views

How often do you refactor or restructure your code in long term projects? [duplicate]

As developers we are always eager to learn new things and better ourselves at what we do. You've all had moments when you look at your old code and get that feeling: "WTH, I can't believe I used ...
4
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0answers
132 views

“Middle ground” architecture for client-server iOS apps?

I see two obvious approaches to the architecture for an iOS app which needs to talk to a server to do its job. Pretend to be a web browser Under this approach, the app fetches a chunk of data ...
2
votes
2answers
47 views

How to ensure the success of processes after a deadlock exception occurs?

No matter the programming language is and whatever the database is, the concept should be the same: I have 2 threads, each locking some database entities and inserting new data in database. Let's ...
0
votes
2answers
86 views

Which layer should service errors be handled in?

I am coding in a multitier architecture in Java, and I perform a query to a web service. Is it better form for the errors returned by the service be handled in the data access layer or in the ...
1
vote
1answer
40 views

Managing non-domain application behaviour in CQRS

Here's a scenario. I am building QueueUnderflow, a community-edited Q&A site for people who haven't yet grasped the basics of data structures. My users don't like it when people edit their posts ...
0
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0answers
25 views

Implementing multiple tables for the same entity due to processing power on Client apps

I reached a design/architectural issue on the large application I'm working on, at the point of writing possibles solutions on a chalkboard. Our product consist of a client-server information system ...
0
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4answers
58 views

alerting that an object cannot be deleted (due to constraints)

Assume an application with a rich domain model with many classes (e.g School, Classroom, Teacher, Student, Course, Exam, Submission, ...) linking to each other. Model and links are mapped to the ...
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3answers
118 views

Assigning responsibility for cancelling an Order

During a conversation with our Domain Expert we can across this feature: A Customer service agent can cancel an Order by decreasing its quantity. To cancel an Order we decrease its quantity by the ...
2
votes
1answer
266 views

Things developers do before the coding phase [closed]

I'm a new software developer, and in my internship my boss asked me to develop an application that allows him to manage his inventory. Something small but, for me, very enriching. The application is ...
1
vote
1answer
73 views

Data generation system modular design

I am trying to think of the most sensible way to design the architecture of a data generation system with several steps. Data in the system goes through several transformations which can be divided ...
0
votes
1answer
71 views

Architecture for dashboard

I'd like to know if my Architecture idea, is the best approach following some pattern. I'll create a Dashboard for my company, and I never will delete or update data in my database, just read the ...
0
votes
3answers
260 views

How do you make a service stateless?

When doing Domain Driven Design it is advised that services should be stateless. There are several kinds of services when doing DDD: Application services. Domain services. Infrastructure services. ...
0
votes
1answer
46 views

Long running task initiated in the web site

The plan is to develop generic solution for long running task initiated in web site by users such as: 1. upload large file and do some custom processing and then insert in the database. 2. export ...
2
votes
3answers
77 views

How to maintain view-related information in MVVM and may I store this in the model?

I have an ongoing discussion with some colleagues on how to manage the views to our model. We've got a model which may be represented by many views. Let's say we've got some data that is stored in an ...
3
votes
2answers
175 views

Is there anything inherently bad about mixing paradigms in an application?

I am currently in the process of writing a (custom) Minecraft server application in C#. I figured it's a good way to teach me a lot of important things like concurrency and especially memory ...
1
vote
2answers
71 views

Architecture for application-wide diagnostic-gathering tool?

My product owner wants us to report more information on the state of the product when a user contacts customer service through an in-app form. The form eventually results in an email being sent to a ...
0
votes
1answer
45 views

Creating system diagrams for a small app

I am learning system design (on my own) and still I am not clear on a few things. Assume there is a simple application with a front-end and a database for storing of the data. In the system ...
2
votes
1answer
64 views

Queue of jobs in a different states and with different services around

I need to design a 'queue' of jobs (in a a very much UI oriented application) that can be run by a user and I need some other thoughts to pick optimal approach from ground up. My jobs can be in a ...