Articles by Tag #linq
Browse our collection of articles on various topics related to IT technologies. Dive in and explore something new!
Entity Framework's Love Affair with ID Keys: Why Composite Keys Can Be a Pain
If you've worked with Entity Framework (EF) for any length of time, you've probably noticed...
Unit Testing Our First LINQ-like Methods in C#
Before we start writing our own LINQ methods, we’ll take a quick step back to prepare a strong...
How Extension Methods Unlock LINQ’s Magic in C#
LINQ feels like magic: you call .Where() on a list, and it just works. The secret? Extension...
Understanding IEnumerable in C#: The Foundation of LINQ
If you’ve ever used a foreach loop in C#, you’ve already been using IEnumerable. It’s one of the most...
I do not agree with Ben Lesh on his Medium article 'Regret Rxjs'
Rxjs needs a deeper understanding than 'Rxjs is Loadash for Events'
Benchmarking EF Core LINQ, Dapper Raw SQL, and Stored Procedures in .NET: A Real-World Performance Comparison (2026)
In .NET development, selecting the right data access strategy is crucial for balancing performance,...
When I Went Blank in an Interview – and What I Learned About LINQ
Recently, I had a job interview where I was asked a very simple question: “What is LINQ?” Even...
Teaching My Team How to Build LINQ from Scratch
After weeks exploring IEnumerable, yield return, and xUnit, we’ve reached the final step of our...
C#’s Hidden Gem: How Yield Return Makes Iterators Simple
If you have ever tried to write an iterator manually, you know it can be painful. You need to manage...
IQueryable vs IEnumerable in C# — The Practical, No‑Nonsense Guide
Understand the difference between IQueryable and IEnumerable in C#. Learn execution behavior, EF Core examples, performance implications, and when to use each.
FirstOrDefault vs SingleOrDefault in C# — The Complete, Practical Guide
Understand the real difference between FirstOrDefault and SingleOrDefault in C#. Includes examples, EF Core behavior, performance notes, and when to use each.
Belitsoft on ZLinq: The LINQ You Know, Without the GC Overhead
ZLinq v1 was released last month (April 2025). It already has more than 2,000 GitHub stars. ZLinq...
Collection Selection for Performance: Choosing the Right .NET Collection Like a Pro
Performance tuning in .NET often hinges on one crucial decision — choosing the right collection...
My take on dealing with keys in EF
Entity Framework's Love Affair with ID Keys: Why Composite Keys...
Deep Dive into Query Building in LINQ: What Every Senior .NET Developer Should Know
As senior .NET developers, we often deal with complex data transformations, filtering, and querying...
7 LINQ Secrets That Even Senior Developers Don’t Know
You use LINQ every day. It’s the fluent, expressive magic wand that transforms clunky for loops...
Benchmarking EF Core LINQ, Dapper Raw SQL, and Stored Procedures in .NET: A Real-World Performance Comparison (2026)
Benchmarking EF Core LINQ, Dapper Raw SQL, and Stored...