Files are an integrated part of an application. From a social app to an ERP, some form of media exists in the ecosystem. .NET Core APIs provide built-in support for uploading and fetching documents. In today's post, I will show you how to cleanly and efficiently use .NET ...
Ali Hamza Ansari
Meet Ali, a talented .NET developer from Pakistan. Besides blogging, Ali works for a range of international customers doing everything from C# to Azure.
How to upload files in an ASP.NET Core Web API
The complete guide to mastering Dapper micro-ORM in .NET
For developers who want to taste ORM but don't want to leave SQL either, Dapper is a perfect choice. Dapper runs SQL queries like ADO.NET but returns results as C# objects, like Entity Framework Core. Apart from its abstracting nature, you leverage high-speed data access. The feature ...
Pattern matching in C#: Advanced scenarios you didn't know
table of contents Pattern matching is not just condition checking. It reflects how you think as a developer. Matching and validation can be achieved in a naive, descriptive way. However, a cleaner approach stands out in terms of readability and sometimes performance. Pattern matching combines patterns to express complex logic ...
12 practices for optimizing PostgreSQL queries for large datasets
A database is the root of most applications. Anything displayed or any operations performed often rely on the database. So, to build a loyal client base, you have to think in terms of a database. In today's post, I will go through some key strategies you can apply ...
EF Core query translation: Why does some LINQ never become SQL?
We know that every Entity Framework Core (EF Core) LINQ query has a corresponding SQL query. That equivalent SQL is actually executed under the hood. Some LINQ expressions involve. NET-specific code, such as calling a method, using a reflection filter, or accessing files. You may have found several code blocks ...
Mapping database views in EF Core without breaking migrations
Entity Framework Core (EF Core) is working fine in your project. But the moment you use views, the migration gets messy. As a developer, I know any problem in the migration is haunting. You have to update and take care of other migrations so they don't get disturbed. ...
How .NET handles exceptions internally (and why they're expensive)
What really happens when you write throw new Exception() in .NET? Microsoft guidelines state that When a member throws an exception, its performance can be orders of magnitude slower. It's not just a simple jump to a catch block, but a lot goes in CLR (Common Language Runtime) ...
Designing business rules that don't leak into controllers
APIs are the engine of modern applications. Your product belongs to any domain, either medical, banking, or IoT, APIs are most probable bricks in it. Good, maintainable, and reusable code promises a functional system. While a bad one makes maintenance and testing tedious. There is so much to care about ...
When NOT to use the repository pattern in EF Core
If you design an application with a data source, the repository pattern often comes to mind as a prominent choice. In fact, many developers see it as the default choice. However, the pattern is not helping every time. In this post, I will pinpoint some cases where the repository pattern ...