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14
votes
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
votes
1answer
33 views

Technical term for this scenario of Subdomains routing to a static IP? [closed]

I want to do the following Suppose I have several domains like abc.com, efg.com When a user tries to access abc.com/home or (any of the domains/subdomains that I have). The request should be ...
1
vote
1answer
25 views

Custom Domain or Attribute Reference Table or Both?

I'm designing my first real database and I'm weighing the pros and cons of how to enforce uniformity in my data. My first option is to create a custom domain and program my UI to only allow certain ...
0
votes
0answers
41 views

What should a domain object's validation cover?

I'm trying to figure out how to do validation of domain objects that need external resources, such as data mappers/dao Firstly here's my code class User { const INVALID_ID = 1; const ...
0
votes
0answers
33 views

Functional tests only to testing the infrastructure layer, or test too the domain services without mocking?

This is a code example: My entities (Domain Layer): class Account: def __init__(name, author): self.name = name self.email = email My repositories interfaces (Domain Layer): ...
0
votes
2answers
141 views

Domain Name Lookup

I'm trying to automate the process of sending many domain name lookup requests. I tried to do this by sending for example http request to domain registry site like Whois.net, but I notice they block ...
2
votes
2answers
178 views

In DDD are Value Object always at the leaves of a relationship tree?

If I have a photo album where each Photo can be commented on, Should the Comments be Entities or Value Object in these cases: Comments can be added only anonymously (i.e. Comments have no relation ...
1
vote
3answers
435 views

MVC is a GUI Architecture or a Architecture to GUI and Domain?

Fowler refers to the MVC, as a GUI architecture: There have been many different ways to organize the code for a rich client system. Here I discuss a selection of those that I feel have been the ...
0
votes
0answers
63 views

How to enable a Web portal-based rich enterprise platform on different domains and hosts using JS without customization/ server configuration

Our company Coscend has built a Web portal-based communications and cloud collaboration platform by using JavaScript (JS), which is embedded in HTML5 and formatted with CSS3. Other technologies used ...
0
votes
1answer
1k views

How to use TFS as a query tracking system?

We already use tfs for managing defects in code etc, etc. We additionally need a way to "understand the domain & requirements of the products". Normally, without tfs we exchange emails with the ...
8
votes
3answers
387 views

Resources for popular domain models

I have come across many situations where I had to build a system for a library or a clinic or other popular domains. The thing is a domain model for a library was probably done 1000 times already with ...
0
votes
1answer
279 views

Domain Model Examples Website Similar to Databaseanswers.org

When I was trying to understand database design databaseanswers.org was phenomenal. Now I'm trying to understand the Spring Framework and I'd like to know if there are any sites out there that have ...
2
votes
2answers
219 views

Domain integrity check in application

Is it better to check for allowed domain values on the frond end or let the database engine handle the domain integrity. For example If you have a data entry form for employee, is it better to check ...
6
votes
1answer
411 views

JavaFX - the right way to use Properties with domain objects

JavaFX has provided a bunch of new Property objects, such as javafx.beans.property.DoubleProperty which allow you to define fields which can be automatically observed and synchronised. In many JFX ...
3
votes
2answers
337 views

DDD: Developing the Domain Model alone

In DDD examples it seems the common method for developing the domain model is to sit with domain experts and iterate over versions of the model, say on a whiteboard, continually modifying it and ...
46
votes
20answers
3k views

Must developers understand the business domain or should the specification be sufficient?

I work for a company for which the domain is really difficult to understand because it is high technology in electronics, but this is applicable to any software development in a complex domain. The ...
7
votes
3answers
306 views

Computed Values and Simple Reads - A nagging pain for my Domain Driven Designs!

The problem I continually face is how to deal with computed values driven by domain logic while still working efficiently against the data store. Example: I'm returning a list of Products from my ...
2
votes
4answers
2k views

Domain Lookup API

I am looking to incorporate a domain name lookup facility in my website to make sure if a domain is available or not. The only api I could find on the net is ...
10
votes
4answers
3k views

Domain knowledge vs Programming [duplicate]

Possible Duplicate: How important is Domain knowledge vs. Technical knowledge? I often hear from my colleagues and sometimes from interviewers that, "There is nothing so great in having ...
15
votes
7answers
664 views

To Domain or not to Domain

The SQL92 and SQL99 standards define CREATE DOMAIN DDL constructs. Not all databases support this, or have a different name for it (SQL Server has User Defined Types, for example). These allow one to ...
34
votes
15answers
2k views

Saying “no” to people asking questions [duplicate]

Possible Duplicate: When do you not give help to less experienced programmers? Currently, I am finding a lot of my day is taken up by people asking domain knowledge/system questions. This ...
9
votes
3answers
606 views

What is the object-oriented thought process?

I've been studying OOP in conjunction with Zend's MVC implementation for the past few months. I'm pretty new to programming, generally, but I feel strongly that I should learn things the 'right' way, ...
3
votes
3answers
993 views

Is a .com domain name worth it for a mobile app?

I'm starting to develop a mobile app, and have a first choice name I'd like to use. However the .com domain of the name has already been taken. Is it actually worth it buying it, or would you tempted ...
5
votes
5answers
808 views

What is the most appropriate top level domain for a programmer's personal home page [closed]

Say you're a programmer and you have your personal home page (blog, about me, contacts, cv and so forth). Several top-devel domain names could apply to this situation. .com: This is an open TLD; any ...
3
votes
2answers
338 views

Is software better designed and developed by people who will use it? [closed]

I see many apps written by programmers who obviously don't use the program like the end customers in a production environment. This results in features that don't really make sense in practice, ...