All Questions
14 questions
-1votes
1answer
107views
How can I prevent an object from being re-sanitized everytime it is passed as input to a function?
Suppose that I have a class named CharStream Additionally, there are a large number of functions which convert their function input into a CharStream def funky_the_function(_input): input = ...
-1votes
2answers
137views
Appropriate design pattern for coupled Objects
I code an Object-Oriented simulation where you can have a Unit move on a Terrain. The cost of such move depends both on both Unit capabilities and Terrain features: a boat can move on water, a plane ...
- 131
0votes
1answer
671views
Source of "... against the interface, not the implementation"
For a paper I am writing, I need to find the origin of the following two phrases: Code against the interface, not the implementation and Test the interface, not the implementation (Note: the ...
- 32.7k
-2votes
1answer
139views
Patterns for multi tenant systems [closed]
Ok so first I want to describe the anti-pattern anti-practice. Company creates system for customer number 1. Then customer number 2 comes along they fork the codebase customize it. (Say for variations ...
- 119
1vote
3answers
6kviews
Design pattern for wrapping multiple apis into single api
I have 3 different libraries that provide depth data as well as gesture information. I need to wrap these libraries into a single simpler to use for user api. The apis I am trying to wrap provide a ...
- 121
2votes
2answers
74views
Relating to design and runtime - is it better to parallelize smaller sub-tasks or bundled tasks?
I'm programming a small web scraper in python which I want to speed up by parallelizing things. The scraper is crawling URLs whereby a single URL can represent an 'item' or an 'index'. An index in ...
- 41
2votes
2answers
262views
Which pattern should I use for factory + wrapper
I have to program a generic client that uses diverse concrete clients (diverse APIs), all sharing the same interface. I have to log the response of the client. To accomplish this (logging in ...
- 697
14votes
2answers
9kviews
Are the Repository Pattern and Active Record pattern compatible?
Currently I am developing a webapp where I have defined models implementing the Active Record pattern. Each model also is defined by an interface that specifies the Entity properties and makes it easy ...
- 253
0votes
3answers
336views
2 methods that are 75% the same? [closed]
I have code that violates the DRY principle and I would like to consolidate 2 methods as much as I can, but the problem I am facing is that they have some differences, I would say they are about 75% ...
- 445
4votes
4answers
5kviews
"Property Container" design-pattern in-depth definition
Could anybody, please, explain what is a Property Container or at least where can I get information about that pattern on the Internet? I've found that it exists as one of the Fundamental patterns in ...
3votes
1answer
264views
Naming a sending/receiving module. Does the pattern have a name? [closed]
I'm working on a simple piece of functionality (actually a ruby gem, but that is beside the point) which can be used to receive and persist incoming messages send and persist outgoing messages ...
- 219
2votes
0answers
218views
Pattern or solution for using classes with different interface the same way
What I would like to achieve is to use classes (now two, later more) with different interface the same way, so I would like avoid using decisions based on the interface on upper levels for instance, I ...
- 121
-2votes
2answers
162views
Software patterns for frameworks [closed]
I am currently doing some research about software patterns and about architectural patterns for frameworks specifically. Google is not really showing off for this topic, so I am curious which ...
- 257
4votes
2answers
2kviews
Pattern(s) about hierarchical settings overwriting
Assume that you have a hierarchy of organizational units: - Company -- Branches --- Departments ---- Teams Lets say I have some settings (for simplicity assume that they have the same properties) for ...
- 515
