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14
votes
6answers
6k views

What use is a Business Logic Layer (BLL)?

In reading up on good practice for database applications I've frequently come across advocates of so-called "business logic layers" and I'm trying to decide if it's best for my project to use one ...
0
votes
1answer
125 views

impact of product information leak due to matrix resource models for development projects [closed]

I read somewhere that Amazon has a dedicated team for each of its major products. This approach facilitates the growth of the domain knowledge for each product team and as a result of this retained ...
5
votes
4answers
239 views

Should I include dependencies for which I have the source as projects in my solution?

We have various projects in source control for web and desktop applications. Invariably, many of them use third-party open source projects or even common libraries within our organization as ...
3
votes
2answers
463 views

Extend the class or create an instance?

I'm reading Pro PHP and jQuery and want to rebuild the example. The author is creating a database connection class: class DB_Connect { protected $db; protected function __construct($dbo = NULL){ ...