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3answers
77 views

Modelling highly specific business requirements

How can one go about modelling highly specific business requirements, which have no precedent in the system? Take for example the following requirement: When a purchase order contains N lines, is ...
3
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1answer
101 views

In a declarative language, specifically in the context of modelling, can we make a clear distinction between code and data?

For declarative languages, specifically (but not limited to) in the field of modelling, it's not obvious to me whether code can be considered to be separate from data. This line of reasoning may only ...
0
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1answer
111 views

How to model optional use cases in UML

Let's say, I want to model an application which allows users to model class diagrams. The high level use case can be modelled as UC1:Model Class Diagram, which refines itself into UC11: Model Class, ...
0
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1answer
111 views

Extending Composite Structure model generally/in Enterprise Architect

I'm currently on a project, which integrates domain specific techniques in the modelling tool Enterprise Architect through UML Profiles. The domain specfic model almost matches the structure of the ...
11
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2answers
379 views

FP for simulation and modelling

I'm about to start a simulation/modelling project. I already know that OOP is used for this kind of projects. However, studying Haskell made me consider using the FP paradigm for modelling a system of ...
1
vote
2answers
357 views

Object Oriented programming and modelling

I am taking course in OOA/D this semester. In academic they teach till now about Object Oriented Programming. I have some doubts regarding this. Is it true that Object Orinted programming can be ...
9
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7answers
873 views

How do professional software development teams deal with design complexity in non-trivial projects?

First, I realize this question may by somewhat long and vague and I apologize for this. This is probably a basic problem with a short name to anybody who's "got it", but as I find myself lacking in ...
4
votes
3answers
334 views

Rule of thumb for field sizes

What VARCHAR sizes should be used for first and last names, phone numbers (preferably international), email adresses, urls, dictionary words and file names? Edit: Zapped the introductory phrase to ...
4
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5answers
4k views

How to Model a simple file-system by UML class diagram

I want to model a file system which contains both files and directories, and directories can contain either files or other directories. This is what I have reached so far: In OOSE book, however, a ...
2
votes
3answers
310 views

What implementation do you use when dealing with operators in .Net?

My question is in a sense a follow up of this post on Time Series in .Net. Ideally, you would like to expand the basic TimeSeries<T> class by something like NumericTimeSeries<T>, where ...
1
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4answers
230 views

how to create a data model for the following problem

How to tackle 2-D and 3-D space in data ? lets say you are working on a power grid problem. You need to represent Towers; transmission lines; transformers and every thing else in a 2-D space. How ...