Disclaimer: I do not claim credit for the code examples and much of the contents here, these are mostly extracts from the book by Chris Smith, Programming F#: A comprehensive guide for writing simple code to solve complex problems. In fact, if you’re thinking of learning F# and like what you read here, you should buy …
I decided to take some time out on Silverlight and have a play around with Microsoft’s new language F#, I’ll be making notes as I go along and post them here so maybe they’d help satisfy some of your curiosity too! Disclaimer: I do not claim credit for the code examples and much of the …
Definition: Aspect Oriented Programming (AOP) is a programming paradigm where each application can focus on its primary functions and core concerns by encouraging greater modularity and increasing separation of cross-cutting concerns (such as logging and authentication). Purpose: In any real-world applications, when you’re writing code to address the problem domain (say, booking an order) you …
I was having an email conversation with a friend on WPF yesterday and he suggested putting it into a blog post after I went on and on for a bit (sorry Raj!). Having spent some time learning Silverlight (which is a subset of WPF for the web, Microsoft’s equivalent of Flash) I have really come …
Following my previous post on multi-language (polyglot) and multi-paradigm (poly-paradigm) development, I thought I’d continue on the same thread for a little and do some comparisons on some of the popular types of programming languages. Definition: An imperative programming language such as C# or Java allows you to specify step-by-step how a problem should be …
Just finished watching an interesting seminar video by the guys from Object Mentor (a consultant company founded by Robert C Martin, the father of agile development) at: http://www.infoq.com/presentations/polyglot-polyparadigm-programming The video is about an hour long and covered a large number of topics around using different languages (polyglot) and different programming paradigms (poly-paradigm) to simplify and …
Definition: A Cross-Cutting Concern is a concern your application needs to address that is unrelated to your application’s problem domain, and ‘cuts across’ other concerns. Typical examples include: logging persistence security error handling They are usually difficult to decompose from the rest of the system and result in tangled code. Addressing these cross-cutting concerns will …
Definition: A Domain Specific Language (DSL) is a programming language that’s dedicated to a particular problem domain. DSLs are often used to support domain-drive design and modelling. It’s the opposite of general purpose programming languages such as C# or Java. Advantages: Code looks like domain prose. Easier to understand by everyone. Easier to align with …
Definition: Dependency Inversion Principle refers to a specific form of decoupling aimed at rending high-level modules independent of the low-level modules’ implementation details. Its principle states: High-level modules should not depend on low-level modules, both should depend on abstractions. Abstractions should not depend upon details. Details should depend upon abstractions. Dependency Inversion Principle is often …
Buzzword Buster – Dependency Inversion Principle Read More »
Definition: You have Spaghetti code when the flow in your application becomes so complex and tangled it resembles a bowl of spaghetti where the different execution paths are twisted and intertwined it’s hard to make out where they start and end. In software design, this is usually a danger associated with procedural programming or frequent, …
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