➤ Hexagon (Ports and Adapters) Architecture

Hexagonal Architecture - What is it? Why should you use it?

In this article, you will learn: What is hexagonal architecture (or “ports & adapters” as this architecture is officially called)? What are the advantages of hexagonal architecture over classical layered architecture? What distinguishes hexagonal architecture from “clean architecture” and “onion architecture”? How are hexagonal architecture, microservices, and Domain Driven...

PostgreSQL in C# .NET with Npgsql, Dapper, and Entity Framework: The complete guide

One of the most used databases these days is PostgreSQL (aka Postgres). Its accomplishments include being the most popular DB [among professional developers] according to Stack Overflow survey of 2022, the database in all of the fastest TechEmpower benchmarks, and being the most advanced open source database (self-proclaimed). We’ll talk...

Turbocharging ASP.NET Core applications: A deep dive into performance optimizations

Performance is paramount when developing web applications. A slow, unresponsive application results in poor user experience, losing users, and possibly business. For ASP.NET Core developers, there are many techniques and best practices to optimize application performance. Let’s explore some of these approaches in this article. Understanding performance bottlenecks When we...

My relationship with relational databases relates back to the late 90s. It was part of my first steps with computers and programming, became an essential part of my formal education and studies as a software engineer and constantly followed me through my professional career. I almost crawled through the entire...

Reporting is a common task in business applications, and for that, ComponentOne includes a specialized FlexReport library that allows you to make complex reports. But sometimes, using specialized tools can be too tricky or not flexible enough. For example, if you wanted to generate a report “from scratch” by...

  While sometimes there’s nothing to do but crack open that energy drink and grind out an all-nighter, coders tend to work smarter, not harder by finding ways to increase their productivity without sacrificing work quality. No matter what specific industry you work in or which programming language you’ve specialized...

Using Tableau to build interactive data visuals Data visualisation is a core skill in any data scientist’s arsenal. The volume of data generated in any enterprise is enormous, and making timely executive decisions relies on having all the relevant data and most current analysis available at your fingertips. In many...

The goal of traditional Layered Architectures is to segregate an application into different tiers, where each tier contains modules and classes that have shared or similar responsibilities, and work together to perform specific tasks. There are different flavors of Layered Architectures and there’s no rule that determines how many...

Understanding uow to use And and Or operators with Expression Trees As a C# developer, you may have come across scenarios where you need to build complex logical expressions dynamically based on user input or other dynamic factors. In such cases, building expressions statically can become tedious and error-prone. In...

Continuous Integration (CI) allows you to continuously integrate code into a single shared and easy to access repository. Continuous Delivery (CD) allows you to take the code stored in the repository and continuously deliver it to production. CI/CD creates a fast and effective process of getting your product to...

This tutorial focuses on the elements of Apache Superset, a modern tool for Data Collection, Visualization, and Exploration. Apache Superset is one of the most comprehensive open-source Business Intelligence tools though it is very easy to use. It is faster and more efficient than existing similar tools, and it...

Said no manager ever. Money is the one thing every candidate at any job interview is advised never to mention. The salary on offer for the role is treated almost like a *dirty secret. Job advertisements only reveal a band or range, which makes sense to a certain extent,...

Let’s find out which one is better .Net 6 or .Net 5 and how .Net has changed the game of software development. In the past, I have briefly talked about the Dot Net 6 framework that was released last year in Nov by Microsoft during the .Net Conf 2021. As...

Monitoring SQL Server for performance is a critical part of a DBA’s job. In this article, Edward Pollack explains some of the SQL Server performance monitor data and how to collect it. Windows collects a wide array of useful metrics that can be used to measure the performance of...

Introduction The Onion Architecture term was coined by Jeffrey Palermo in 2008. This architecture provides a better way to build applications for better testability, maintainability, and dependability on the infrastructures like databases and services. This architecture's main aim is to address the challenges faced with 3-tier architecture or n-tier architecture...

What is a Windows Service Enables you to create long-running executable applications that run in their own windows session. Can be automatically started when the computer boots, can be paused and restarted without any user interaction. Easily installable by running the command line utility InstallUtil.exe and passing the path to...

Microservices are the face of the future. Organizations are keen to adapt to Microservices, either by creating a new setup or by transforming monolithic applications into Microservices. Though the inclination towards migrating to Microservices quite high, how to approach the same is yet unclear to many. On a basic...

The Generic Host Builder in ASP .NET Core was introduced in v2.1, but only meant for non-HTTP workloads. However, it has now replaced the Web Host Builder as of v3.0 in 2019. Generic Host Builder in ASP .NET Core 3.x History Lesson: Generic Host Builder in 2.x So, if the...

In my 2019 A-Z series, I covered Blazor for ASP.NET Core while it was still experimental. As of ASP.NET Core 3.1, server-side Blazor has now been released, while client-side Blazor (currently in preview) is expected to arrive in May 2020. This post will cover server-side Blazor, as seen in NetLearner....

ORM: Object Relationship Mapper that maps your database directly with C# objects. There are many ORM tools available. One of them is Dapper. Dapper is known as the king of ORM. The following are the key features of Dapper: Speed and fast in performance. Fewer lines of code. Object Mapper....