The design-principles tag has no wiki summary.
35
votes
2answers
2k views
Are there any OO-principles that are practically applicable for Javascript?
Javascript is a prototype-based object oriented language but can become class-based in a variety of ways, either by:
Writing the functions to be used as classes by yourself
Use a nifty class system ...
13
votes
4answers
941 views
How does the Law of Demeter apply to object-oriented systems regarding coupling and cohesion?
How does the Law of Demeter applied to object-oriented systems with coupling and cohesion?
I was reading a book "Software development and professional practice" and came across the chapter about LoD, ...
11
votes
2answers
362 views
Does Liskov Substitution Principle also apply to classes implementing an interface?
LSP states that classes should be substitutable for their base classes, meaning that derived and base classes should be semantically equivalent.
But does LSP also apply to classes implementing an ...
9
votes
5answers
833 views
When to stop inheritance?
Once upon time ago I asked a question on Stack Overflow about inheritance.
I have said I design chess engine in OOP fashion. So I inherit all my pieces from Piece abstract class but inheritance still ...
7
votes
3answers
325 views
Is it a basic principle, or highly desirable, to have class methods that return “$this” rather than a value?
I've really just begun to learn OOP. I started about a year ago and have written probably 15,000 lines of it. But I wrote it all with hardly any experience looking at other people's OOP.
Most of my ...
7
votes
5answers
278 views
Please help me give this principle a name
As a designer, I like providing interfaces that cater to a power/simplicity balance. For example, I think the LINQ designers followed that principle because they offered both dot-notation and ...
4
votes
2answers
179 views
Does the single responsibility principal promote flexibility?
Does the single responsibility principal promote flexibility? If not what are the other methods to make your classes more flexible?
By flexibility I mean, a class is able to function correctly at any ...
4
votes
2answers
142 views
Does KISS encourage tools and frameworks that expose complex leaky abstraction layers?
Tools and frameworks make complex tasks simple. This seems like something that would be supported by KISS(keep it simple stupid). Tools and frameworks also have the potential to introduce leaky layers ...
2
votes
5answers
253 views
Is there a term for “Use procedures that execute a single task”?
I'm having a discussion with a fellow developer, and I'm trying to argument this in something like a short "term".
SoC (Separation of Concerns) is pretty straight forward design practice, but it ...
2
votes
4answers
93 views
Feature organization / authentication?
Let's say I have a product that has different features, or different feature access depending on things (i.e Premium User, Beta, Demo, Logged-in User, etc..).
What's the best way to organize a system ...
2
votes
2answers
73 views
Where does “isolating complexities” lie in the realm of design principles?
I was just curious, it's something I think most people are aware of as a technique:
You have some abominable data that simply must be parsed and you can do nothing to simplify the algorithm for doing ...
2
votes
3answers
399 views
Recommended content for layers
As an expansion from my previous question about using separate projects for seperate layers - Good practice on Visual Studio Solutions
I now wish to know if I am putting the right functionality in ...
2
votes
3answers
134 views
Abstracting out a module or using the Module Singleton directly?
I am working on a module which is dependent on other module for some functionality. Now the dependent module provides a lot of functionality and I need only few of them, hence got the idea to create ...
-2
votes
1answer
48 views
What are general best practices for plugin/extension development? [closed]
I need to correlate requirements for a plugin/extension of an application with development best practices.
I thought there might be best practice advice that applies to plugins and extensions ...
