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Repository

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Unit Testing on Top of Entity Framework DbContext

Unit Testing on Top of Entity Framework DbContext

When writing unit tests one of the challenges is to isolate your tests from everything. To isolate them from the code that is not in their target and also from the other tests. As Roy Osherove puts it in his book “The Art of Unit Testing [...] a unit test should

Repository Implementations

Repository Implementations

In my previous post I have presented a way to separate your data access from the business logic, when a relational database is used. I have shown another implementation of the well-known Repository pattern. Since Martin Fowler described it in his book Patterns of Enterprise Application Architecture it became one

Separating Data Access Concern

Separating Data Access Concern

In our days most of the applications that have a relational database as storage, use an ORM to access the data. The ORM (Entity Framework, Hibernate, etc.) does most of the data access implementation. Many of them have a modern API for querying data and for creating sessions of editing

Who Disposes Your Repository

Recently, I’ve went again through the discussion of how the Repository Pattern works with Dependency Injection (DI) in one of the projects I’m involved in. Even if these patterns are around for a while and there are many examples on how to use them together, discussing some particular

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Enabling Predictable Delivery with Application Infrastructure

Enabling Predictable Delivery with Application Infrastructure

Learn how Application Infrastructure enforces architecture in code to support predictable delivery. Improve code design, reduce complexity, and boost team efficiency in long-term software projects.

Why Programmers Should Challenge the Stakeholders

Why Programmers Should Challenge the Stakeholders

Have you ever worked on a state of the art programming project? And then a new requirement arrives, it's implemented and suddenly you're working on a legacy project?

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Migrate to Ghost 1.x on Azure

Migrate to Ghost 1.x on Azure

You might remember that I am running this blog on Ghost self hosted on Azure. I wrote about how I've migrated from Wordpress in an older post. Now, I migrated to Ghost 1.x, and in the process I configured a better dev environment for my theme and auto deployment to an App Service from GitHub

Decide between In-Process or Inter-Process Communication at Deploy Time - Part 3

Decide between In-Process or Inter-Process Communication at Deploy Time - Part 3

This is the last post from the series on how we could implement a design that allows to decide only at deploy time how two services communicate: in process if they are deployed on the same server or inter-process if they are on different machines. The first post shows where

Decide between In-Process or Inter-Process Communication at Deploy Time - Part 2

Decide between In-Process or Inter-Process Communication at Deploy Time - Part 2

This post continues the previous by giving an example on how we could implement a design that allows to decide only at deploy time how services communicate: in process if they are deployed on the same server or inter-process if they are on different machines. If you haven't

Decide between In-Process or Inter-Process Communication at Deploy Time

Decide between In-Process or Inter-Process Communication at Deploy Time

After a long vacation in October last year, followed by some intensive work at MIRA and InfiniSwiss, now I can make some time to share some more design ideas that I have implemented along the years. I thought to resume blogging with showing how we could design for something which

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This training covers a wide range of topics, principles, and best practices for writing maintainable code. Together, these elements teach techniques on how to create a code design that embraces change.