Tag: tutorial · Just Some Code

© 2026. All rights reserved.

#tutorial

2024

2024-08-19 It Seems the C# Team Is Finally Considering Supporting Discriminated Unions
2024-08-05 For Cleaner Domains, Move IO to the Edges of Your App
2024-07-22 5 Unit Testing Best Practices I Learned from This NDC Conference Talk
2024-06-10 Testing DateTime.Now Revisited: .NET 8.0 TimeProvider
2024-04-15 Two new LINQ methods in .NET 9: CountBy and Index
2024-04-01 How to Test Logging Messages with FakeLogger

2023

2023-04-03 Goodbye, NullReferenceException: Separate State in Separate Objects
2023-03-20 Goodbye, NullReferenceException: Option and LINQ
2023-03-06 Goodbye, NullReferenceException: Nullable Operators and References
2023-02-20 Goodbye, NullReferenceException: What it is and how to avoid it

2022

2022-12-22 Let's refactor a test: Remove duplicated emails
2022-12-21 To Value Object or Not To: How I choose Value Objects
2022-12-20 Dump and Load to squash old migrations
2022-12-16 Six helpful extension methods I use to work with Collections
2022-12-15 How to create ASP.NET Core Api project structure with dotnet cli
2022-12-14 How to write good unit tests: Use simple test values
2022-12-08 Let's refactor a test: Store and Update OAuth connections
2022-12-06 How to replace BackgroundServices with a lite Hangfire
2022-12-04 On Unit Testing Logging Messages
2022-12-01 How to write tests for HttpClient using Moq
2022-08-22 Three set-like LINQ methods: Intersect, Union, and Except
2022-08-08 NCache & Full-Text Search
2022-07-25 LINQ Aggregate Method Explained with Pictures
2022-07-11 Peeking into LINQ DistinctBy source code
2022-06-27 Four new LINQ methods in .NET 6: Chunk, DistinctBy, Take, XOrDefault
2022-06-13 Five common LINQ mistakes and how to fix them
2022-05-30 How to use LINQ GroupBy method: Two more use cases
2022-05-16 Five LINQ Methods in Pictures
2022-04-11 Working with ASP.NET Core IDistributedCache Provider for NCache
2022-02-07 What are implicit conversions and why you should care
2022-01-24 Don't use functions around columns in your WHEREs: The worst T-SQL mistake

2021

2021-10-11 Don't duplicate logic in Asserts: The most common mistake on unit testing
2021-09-27 Two C# idioms: On defaults and switch
2021-09-13 My Top 16 newest C# features by version
2021-08-30 Unit Testing 101: From Zero to Hero
2021-08-16 Write custom Assertions to improve your tests
2021-08-02 Let's refactor a test: Payment report
2021-07-19 How to write better assertions in your tests
2021-07-05 Unit Testing Best Practices: A checklist
2021-06-21 Write simpler tests with Type Builders and AutoFixture
2021-06-07 Five tips for better stubs and mocks in C#
2021-05-24 What are fakes in unit testing? Mocks vs Stubs
2021-05-10 How to write tests that use DateTime.Now
2021-04-26 How to create test data with the Builder pattern
2021-04-12 How to name your unit tests: Four test naming conventions
2021-03-29 Four common mistakes when writing your first unit tests
2021-03-15 Unit Testing 101: Write your first unit test in C# with MSTest
2021-03-08 How not to write Dynamic SQL
2021-02-10 Decorator pattern. A real example in C#
2021-02-05 How to write good unit tests: Write failing tests first
2021-01-18 A quick guide to LINQ with examples

2020

2020-12-10 A case of primitive obsession. A real example in C#
2020-11-02 How to write good unit tests: Noise and Hidden Test Values
2020-09-14 Just Vim It! Learning Vim For Fun and Profit
2020-08-21 How to read configuration values in ASP.NET Core
2020-08-15 How to keep your database schema updated with Simple.Migrations
2020-08-11 How to create fakes with Moq. And what I don't like about it
2020-08-01 Two C# idioms: On Dictionaries
2020-07-28 Another two C# idioms
2020-06-29 How to add an in-memory and a Redis-powered cache layer with ASP.NET Core
2020-05-29 A beginner's Guide to Git. A guide to time travel
2020-05-01 How to create a CRUD API with ASP.NET Core and Insight.Database
2020-03-23 ASP.NET Core Guide for ASP.NET Framework Developers
2020-02-14 Pipeline pattern: An assembly line of steps

2019

2019-11-19 Two C# idioms
2019-11-11 Git guide for TFS users
2019-09-16 How to Shift Array Elements in C# (Space Complexity)
2019-08-29 How to Solve The Two-Sum Problem in C# (Time Complexity)
2019-08-02 Postfix Notation: An Interview Exercise
2019-03-22 What the Func, Action? Func vs Action
2019-03-08 Parsinator, a tale of a pdf parser

2018

2018-11-17 The C# Definitive Guide
2018-10-22 How to handle holidays in C# with DateTimeExtensions
2018-07-18 When logging met AOP with Fody