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Is ServiceLocator an anti-pattern?
...);
// new dependency
dep2.DoSomething();
}
}
You can directly spot the dependencies and cannot use the classes before satisfying them.
In a typical line of business application you should avoid the use of service location for that very reason. It should be the pattern to use wh...
Inversion of Control vs Dependency Injection
According to the paper written by Martin Fowler , inversion of control is the principle where the control flow of a program is inverted: instead of the programmer controlling the flow of a program, the external sources (framework, services, other components) take control of it. It's like we plug so...
What's the difference between the Dependency Injection and Service Locator patterns?
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The difference may seem slight, but even with the ServiceLocator, the class is still responsible for creating its dependencies. It just uses the service locator to do it. With DI, the class is given its dependencies. It neithe...
Why does one use dependency injection?
I'm trying to understand dependency injections (DI), and once again I failed. It just seems silly. My code is never a mess; I hardly write virtual functions and interfaces (although I do once in a blue moon) and all my configuration is magically serialized into a class using json.net (sometimes us...
Is there a pattern for initializing objects created via a DI container
...ncy on IMyIntfFactory by requesting it through Constructor Injection.
Any DI Container worth its salt will be able to auto-wire an IMyIntfFactory instance for you if you register it correctly.
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What are the downsides to using Dependency Injection? [closed]
I'm trying to introduce DI as a pattern here at work and one of our lead developers would like to know: What - if any - are the downsides to using the Dependency Injection pattern?
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What is the significance of initializing direction arrays below with given values when developing ch
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This is a technique to encode all directions as arrays - every pair of di[i],dj[i] is a different direction.
If we imagine we have a piece at a location x,y, and we want to add onto its x and its y value to move it to a nearby location, 1,0 is east, -1,0 is ...
How to get function parameter names/values dynamically?
...*/d){}) // returns ['a','d']
getParamNames(function (){}) // returns []
Edit:
With the invent of ES6 this function can be tripped up by default parameters. Here is a quick hack which should work in most cases:
var STRIP_COMMENTS = /(\/\/.*$)|(\/\*[\s\S]*?\*\/)|(\s*=[^,\)]*(('(?:\\'|[^'\r\n])*')...
Must Dependency Injection come at the expense of Encapsulation?
...ed concepts from the coarser-grained component-oriented ones, so this is a distinction that you have to hold in your mind only :)
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Why do I need an IoC container as opposed to straightforward DI code? [closed]
I've been using Dependency Injection (DI) for a while, injecting either in a constructor, property, or method. I've never felt a need to use an Inversion of Control (IoC) container. However, the more I read, the more pressure I feel from the community to use an IoC container.
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