C#
This post is about the Liskov substitution principle (LSP). This is also the third of my posts about SOLID principles, following the posts I wrote about DI and ISP in the past few weeks. What is Liskov substitution principle (LSP)? This principle is based on Barbara Liskov’s definition of
C#
Last week I wrote a post about Dependency Injection (DI) with some basic examples in C#. Today I would like to write and offer a simple example of what is known as Interface Segregation Principle (ISP) which can happen if you are not careful when using and implementing interfaces in
C#
There is so much confusion and arguing about what dependency injection is and whether is the same as inversion of control or just one form of it. If you are new to these terms it can be very confusing to say the least. I’ll try to describe what these
I want to learn more about web frameworks that I am not too familiar with. My plan is to write simple web and mobile apps using different frameworks and technology stacks that I don’t have much experience with. While this is not going to make me an expert on
MongoDB (from “humongous”) is an open-source document database, and the leading NoSQL database. Written in C++. MongoDB is great for modeling many of the entities that back most modern web-apps, either consumer or enterprise: * Account and user profiles: can store arrays of addresses with ease * CMS: the flexible schema of
Life
Today I am turning 40 years old. What does that mean? that I am old? that I am about to go into mid-life crisis? that I should give up all of my dreams? that I am entering into one of life’s most dangerous ages for men? The truth is
I recently decided to update the landing page of one of my projects. I wanted to have a full-page background image and change this background image every time a user landed in this page or refreshed it. Here is what I ended up doing: The <html> tag Since
Killer features and a beautiful design are important things when developing a website. However, none of that matters if your site doesn’t perform well or is not able to scale when necessary. Serving static files such as CSS and images from your web server is not ideal. These are
software development
ASP.NET
This error message has been giving me headaches for a while, I have seen it happen in different Windows computers when trying to install a Visual Studio update or a new version of Visual Studio. If you Google for the string “Error 0x80131902: Failed to create the managed bootstrapper application.
What is the best programming language to learn these days? this is a question that I hear all the time and this question usually generates all sorts of responses, both good and bad. The reality is that when people ask that question they do it for different reasons and so
After 3 years and a half of using a MacBook Air 13 inch as my personal laptop I finally decided to upgrade and went with an Ultrabook and Windows 8. After using a Surface Pro as a tablet I really started to like Windows 8 a lot. This new Ultrabook