Questions tagged [interface]
Object interfaces allow you to create code which specifies which methods a class must implement, without having to define how these methods are handled.
195
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C# items that don't follow rest of interface
I'm working on a game with unity, and I've created a state manager for the in-game state of certain organisms. Each state implements a ISimpleStateManager interface,...
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2
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1
answer
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API design for Implementing NaN/Unknown values for custom numeric type
I'm gradually writing an arbitrary-precision arithmetic library for C++. I've decided it could be useful to have the default constructor produce an object of indeterminate value, rather than relying ...
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97
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Take meal orders from breakfast, lunch and dinner menus
I have an exercise requires me to write a service to management menu.
The requirement like this:
Food menu includes: breakfast menu, lunch menu, dinner menu. The three menu haves list menu item( name, ...
- 21
4
votes
0
answers
96
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Determine when a file is no longer being changed by hashing
I have a requirement to essentially scan a filesystem on any kind of filesystem and move a resource whenever it is ready. To do this I have the following code
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4
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Injectable EventLogger for custom application events that are handled differently from normal logs
I am trying to become better at designing classes for dependency injection and IOC in general. It is often not an intuitive concept.
I have the following python interface and implementation for a ...
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0
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Hashing service for files or directories on a generic filesystem [closed]
my program requires a hash to be generated for files and folders for data integrity between transfers and file system events (if hash is different, file is not ready). For data integrity, I wish to ...
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6
votes
1
answer
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Date range generator
An app has a feature that's much like any calendar application (like the Outlook calendar for example).
Consequently, I need to do a lot of date logic. I wrote a class with date calculation methods ...
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1
vote
1
answer
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Java: Using one class or algebraic data types to model different state?
I'm creating a tool to analyze a card game which is played by three players. A Card is associated with a number of points and looks like this:
...
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1
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0
answers
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.NET Repository Pattern
I'm currently in the process of defining some framework, one of the first things that I thought I could start with was defining some repository pattern/layer.
I generally wanted some input on it, ...
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1
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implementing abstract classes vs interfaces [closed]
I am new to using interfaces and abstract classes. The team I am working with came up with an implementation of what they call a base class that will be implemented by all view model classes. This is ...
3
votes
1
answer
161
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Lightweight interface implementation in Python 3 using abstract classes
Here is my take at a lightweight interface implementation, where I focus on discoverability of suitable classes from strings (for simplicity, class name is used as an id). Each interface has it's own &...
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A simple java game engine [closed]
I'm starting an object orientated game engine in Java. My plans for the engine is to be able to split things easily into multi-core loads. My idea is that a Unique (interface with a ...
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2
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2
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Registering listeners according to SOLID pricipals
I'm practicing oop concepts these days. To figure it out I tried the below problem.
There is a sensor monitoring system. It is a simple system that prints a value, ...
2
votes
1
answer
38
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Typescript : Adding types to a function that takes in a string and returns a different promise based on the string
I have a function that takes in a string and based on the string hits different APIs to fetch images.
I have solved it by writing an interface and then as the return type of the function, it returns a ...
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5
votes
2
answers
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Best approach for the Design Pattern for multiple schedulers using interface and abstract class
I have a requirement to fetch data for different types of Users (Customers, Publishers etc) for three different timelines (retro, current, and past), all have different URLs. There is a scheduler ...
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