March 2018
Beginner to intermediate
458 pages
10h 34m
English
Content preview from .NET Core 2.0 By Example
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Dependency Injection
Dependency Injection (DI) is a software design pattern that enables us to develop loosely coupled code and is a great way to reduce tight coupling between software components. The D of the SOLID design principles stands for Dependency Inversion Principle (DIP), which states that "high-level modules should not depend upon low-level modules. Both should depend on abstractions". That is, it depends on abstractions, not on concrete implementations. If we speak in the language of the code, the class should not use new or static helper methods to populate its dependencies; it should rather have them injected. If you ever heard your architect or lead utter "program to interfaces, not implementations", it's because he/she wants ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.