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C# / .NET / dotnet / Programming

What Makes Good Code? – Should Every Class Have An Interface? Pt 2

Should Every Class Have an Interface? This is part two in the sub-series of "Should Every Class Have an Interface?", and part of the bigger "What Makes Good Code?" series. Other Peoples' Code So in the last post, we made sure we could get an interface for every class we made. Okay, well that's all fine and dandy (I say half sarcastically). But you and I are smart programmers, so we like to re-use other peoples' code in our own projects. But wait just a second! It looks like Joe Shmoe didn't use interfaces in his API that he created! We refuse to pollute our beautiful interface-rich code with his! What can we do about it? Wrap it. That's right! If we add a little bit of code we can get all the benefits as the example we walked through originally. It's…

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January 3, 2016
Programming

Should My Method Do This? Should My Class?

Whose Job Is It? I wanted to share my experience that I had working on a recent project. If you've been programming for a while, you've definitely heard of the single responsibility principle. If you're new to programming, maybe this is news. The principle states: That every class should have responsibility over a single part of the functionality provided by the software, and that responsibility should be entirely encapsulated by the class You could extend this concept to apply to not only classes, but methods as well. Should you have that one method that is entirely responsible for creating a database connection, connecting to a web service, downloading data, updating the database, uploading some data, and then doing some user interface rendering? What would you even call that?! The idea is really this: break down your code into separate pieces of functionality.…

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April 8, 2015
C# / .NET / dotnet / CodeProject / Programming

Yield! Reconsidering APIs with Collections

Yield: A Little Background The yield keyword in C# is pretty cool. Being used within an iterator, yield lets a function return an item as well as control of execution to the caller and upon next iteration resume where it left off. Neat, right? MSDN documentation lists these limitations surrounding the use of the yield keyword: Unsafe blocks are not allowed. Parameters to the method, operator, or accessor cannot be ref or out. A yield return statement cannot be located anywhere inside a try-catch block. It can be located in a try block if the try block is followed by a finally block. A yield break statement may be located in a try block or a catch block but not a finally block. So what does this have to do with API specifications? A whole lot really, especially if you're dealing…

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December 26, 2013

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