Archive (186 posts)

2023

• Questions I asked as .NET interviewer
• Less boilerplate code with the new primary constructor in C# 12
• A new way of doing reflection with .NET 8
• Building a Minimal ASP.NET Core clone
• Enabling List<T> to store large amounts of elements
• Turn on Nullability checks by default
• The "Weak Event" Pattern in C#
• Expression-bodied members in properties
• Enum.TryParse unexpected behavior
• Creating Your Own Fakes Instead of Using Mocking Libraries
• What's going on with Moq? SponsorLink and burnt soil!
• Keyed Services in the IServiceProvider in .NET 8 preview 7
• The combined power of F# and C#
• How to benchmark different .NET versions
• Gracefully Handling Entity Framework Exceptions with EntityFramework.Exceptions
• .NET Framework 4.8 to .NET 6 migration
• Three tricks with Dictionary
• Overload resolution in C#
• Why I like and prefer xUnit
• LINQ: Select.Where or Where.Select?
• Missing Stack trace when eliding the await keyword
• Create your own Mediator (like Mediatr)
• C# 12: Collection literals
• How does List work under the hood in .NET?
• Span / Memory / ReadOnlySequence in C#
• Time abstraction in .NET 8
• New Terminal logger for .NET 8
• nameof get's a bit better in C# 12
• How does TryGetNonEnumeratedCount work?
• 6 useful extensions for IEnumerable
• Some cool things you can do with ValueTuple
• Becoming a Microsoft MVP
• Entity Framework and ordered indexes
• Controlling the log level of your application
• Verifying your DI Container
• Create your own Validationattribute in ASP.NET Core
• Domain events and the "Unit of Work" pattern
• Covariance and Contravariance in C#
• .NET 8 Performance Edition
• 5 useful extensions for Task<T> in .NET
• Source Generators and Regular Expressions
• LINQ on steroids with SIMD
• Creating a ToolTip Component in Blazor
• C# Source Generators: How to get build information?
• Leverage 'is not' Operator for Exception Filtering!
• Caching in .NET with MemoryCache
• Write your own AutoMapper in C#
• LINQ // Skip and Take
• How to write your own cron Job scheduler in ASP.NET Core (like Quartz, Hangfire, ...)
• Benchmarking - A matter of perspective
• Is a square a rectangle? Liskov substitution principle in action
• The Humble Object Pattern
• Performance (ReadOnly)List vs Immutable collection types
• From Testing Pyramid to Diamond
• Getting git version information in your C# code
• error NETSDK1194: The "--output" option isn't supported when building a solution.
• A (performance) quirk with JsonSerializer
• What is a Middleware and how to use it in ASP.NET Core?
• Multi-Tenancy with RavenDB and ASP.NET Core
• C# Language Mind map
• Repository Pattern - A controversy explained
• Native DateOnly and TimeOnly support in Entity Framework 8 in SQL Server
• C# Lowering
• Deep nesting - Why and how to avoid
• C# 12: Primary Constructors
• Cohesion - An indicator for refactoring
• Entity Framework 8: Raw SQL queries on unmapped types
• Easy Pagination for Entity Framework in 3 steps
• No, No, No - Tasks are not threads and they are not for performance!
• Using GitHub as your portfolio
• .NET Tips and Tricks & ValueStringBuilder
• Give your strings context with StringSyntaxAttribute

2022

• C# 12: Default Parameters in Lambdas
• ReadOnlySpan<char> and strings - How not to compare them
• Structure and order your DI container
• Array, List, Collection, Set, ReadOnlyList - what? A comprehensive and exhaustive list of collection-like types
• Simple DI - Container
• Delete a record without prior loading in Entity Framework
• ChatGPT - Current state for .NET - and in general
• Check for elevated rights in .NET 8
• Abstraction vs Encapsulation
• How to enumerate through a StringBuilder
• New ArgumentException and ArgumentOutOfRangeException helpers in .NET 8
• A new wave of analyzers in .NET 8
• Frozen collections in .NET 8
• "Use always a StringBuilder" - Internet myths
• How to get allocations in .NET? And how big is an empty array?
• Anonymous test data with AutoFixture
• Design patterns explained with sketches
• Mutable value types are evil! Sort of...
• Marking API's as obsolete or as experimental
• Infographics Compendium III - Exceptions, EF Sanitized, Operators, ...
• local functions vs lambda expressions
• Throwing exceptions - Why is my stack trace lost?
• LiteDB - A .NET embedded NoSQL database
• Cursed C# - Doing shenanigans in C#
• Infographics Compendium II - ThrowHelper, null Task and more
• Low-level struct improvements in C# 11
• How does the key exchange in HTTPS work?
• Introduction to WebApplicationFactory
• Infographics Compendium I - Generators, pure functions and more
• x86 vs x64 in .NET
• Pattern matching is awesome
• How does Pagination work?
• Blazor Project Structure
• Memory is complicated
• ASP.NET Core - Why async await is useful
• LINQ explained with sketches - the eBook
• EF7 - Bulk updates and Bulk deletes
• NDepend
• LINQ explained with sketches
• Mediator Pattern - CQRS with MediatR
• Logging Source Code Generators
• Git-Flow, GitHub-Flow, Gitlab-Flow and Trunk Based Development explained
• Blazor Client - Loading Screen
• How does git work?
• Abstract class vs interface
• SOLID Principles in C#
• C# vNext - What could come
• Central nuget store for your UNO Platform App
• When does Blazor (not) render?
• Wrap Event based functions into awaitable Tasks - Meet TaskCompletionSource
• goto in action - The exception from the rule
• What is the difference between C#, .NET, IL and JIT?
• Delegate, Action, Func, Lambda expression - What the heck!?
• The garbage collector in .NET - Part 2: Compacting
• ObjectPool - Rent and return some instances
• Blazor with an RSS Feed
• How to unit test a RavenDB
• The garbage collector in .NET
• Blazor with CancellationToken support
• Stop using Finalizers in C#
• Tail-Recursion - Explained with the Fibonacci series
• Why are sealed classes faster in C#? And should I seal them?
• Passing by value or by reference - What is faster?
• ReadOnlyCollection is not an immutable collection
• Is public const bad?
• Modal Dialog component with Bootstrap in Blazor
• 4 Different ways of creating an array
• default(MyStruct) vs new MyStruct() - what is the difference?
• From Zero to Production - Generate everything with a single button
• struct vs readonly struct vs ref struct vs record struct
• Create a low allocation and faster StringBuilder - Span in Action
• Reusable loading Bar Component in Blazor
• UNO Platform - Build a Todo App - Part 5
• UNO Platform - Build a Todo App - Part 4
• The Trie - A powerful data structure
• UNO Platform - Build a Todo App - Part 3
• UNO Platform - Build a Todo App - Part 2
• UNO Platform - Build a Todo App - Part 1
• Using SSE in C# on the example of the sum of a list
• Decorator Pattern using the example of a cached repository
• RequiredIf - Extend the validation in Blazor
• Directory.Build.props - Centralize your builds
• DebuggerTypeProxy - Displaying complex states in the debugger
• Blazor Performance Tuning - Good practices and advanced use cases
• Heap, Stack, Boxing and Unboxing, Performance ... let's order things!
• Prerendering Blazor Apps - How does it work / tips and tricks
• Enum.Equals - Performance analysis
• Lazy load components with Blazor - Virtualize in Action

2021

• Generator-Function in C# - What does yield do?
• Task vs ValueTask - The what's, when's and how's
• Lifetime Scope in Blazor Client and Server Apps
• Branch Prediction - How much does an if cost?
• ILGPU - Processing Data on your GPU (CUDA / OpenCL in C#)
• static abstract interfaces and generic math
• A better enumeration - Type safe from start to end
• git hook - prefix your commit message with your JIRA ticket
• API Versioning in ASP.NET Core made easy
• git - useful aliases
• IEnumerable vs IQueryable - What's the difference
• How to hunt down bugs with git bisect
• How to rebase onto a different branch with git
• Tactical Design Patterns in C# - Part 1: Creational
• struct Performance
• Shorts: foreach on type without IEnumerable
• Task.WhenAny - How to cancel other tasks
• A story about boxing / unboxing and string interpolation in C#
• EF Core 6 - New Features
• Tutorial Unit and E2E Testing in Blazor - Part 2 Playwright Introduction
• Quickly asked: Should I use unsigned integers (uint, uint8, ...) in C#?
• Async Await Pitfalls / Guidelines - .NET User Group Zurich Presentation
• Tutorial Unit and E2E Testing in Blazor - Part 1
• Blazor Improvements in .NET 6
• Upcoming .NET User Forum Zurich / 6th July 2021
• My first Post