A Small but Powerful Feature in xUnit v3 You’ll Use Everywhere
xUnit v3 game-changing feature - test-aware cancellation tokens for better async test management and automatic resource cleanup.
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Building a C# Repository with Selective Caching and MongoDB Search Index (And Why It's Not as Simple as It Looks)
Build C# Repository with selective caching and MongoDB search - complex patterns, cache invalidation, and performance optimization.
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Why Vertical Slice Architecture Makes Your Team Faster (and Happier)
Vertical Slice Architecture benefits - faster teams, reduced coupling, feature-focused development over layered approaches.
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How to Debug .NET Code in Cursor AI (Even on M1/M2 Macs)
Debug .NET code in Cursor AI on M1/M2 Macs - comprehensive setup guide using Samsung's open-source debugger alternative.
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Coupling and Cohesion in Software Engineering
Software engineering coupling and cohesion fundamentals - build maintainable code with low coupling and high cohesion principles.
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The 10 Best Architecture Diagramming Tools you need in 2025
Top 10 architecture diagramming tools 2025 - comprehensive comparison of Miro, Lucidchart, draw.io, and essential design platforms.
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Less guessing, more C# à la Rust
C# Result pattern inspired by Rust - implement explicit error handling, reduce guesswork, and improve function clarity and safety.
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Building Serverless APIs with AWS Lambda and DynamoDB in .NET
Build serverless .NET APIs with AWS Lambda and DynamoDB - infrastructure-free development, automatic scaling, and pay-as-you-go pricing.
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3 KafkaFlow Features Hard to Ignore
3 compelling KafkaFlow features - multi-threaded consumers, message ordering, and .NET dependency injection for Apache Kafka.
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A BETTER Way to Kafka Event-Driven Applications with C#
Build better C# Kafka event-driven applications with KafkaFlow - simplified patterns, middleware, and maintainable architecture.
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Refactoring C# Code with the Chain of Responsibility Design Pattern
Refactor C# code with Chain of Responsibility pattern - decouple business logic, segregate responsibilities, and improve maintainability.
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Discover an Easy Trick to Simplify Your C# Test Assertions!
Simplify C# test assertions with domain-specific extensions - create readable, expressive Fluent Assertions for complex objects.
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DTOs - The Good, The Bad, and The Tradeoff
DTOs analysis - when to use Data Transfer Objects, benefits vs drawbacks, and the tradeoffs between boundaries and complexity.
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Moving from Controllers to .NET Minimal APIs
Migrate ASP.NET Controllers to Minimal APIs - refactoring guide with feature-driven organization and practical examples.
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.NET Integration Testing with Docker Compose
.NET integration testing with Docker Compose - reuse existing compose files, avoid duplicate infrastructure definitions, TestContainers alternative.
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My Simple Testing Stack (for .NET developers) [2023]
Comprehensive .NET testing stack 2023 - xUnit framework, Fluent Assertions, Moq mocking, FluentDocker containers, and K6 load testing.
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Why I Don't Use Loops on My Tests
Eliminate loops from test code - apply Zero, One, or Many testing principle for clearer, more maintainable unit test cases.
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3 TDD Techniques Most People Don’t Know
Master 3 TDD techniques most developers ignore - Fake It, Obvious Implementation, and Triangulation for effective test-driven development.
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Why I Always Avoid InternalsVisibleTo in .NET, Unless...
Avoid InternalsVisibleTo in .NET testing - explore alternatives, maintain proper encapsulation, and design better APIs.
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3 Types of Unit Tests (for C# Developers)
Learn 3 types of C# unit tests - Result-based, State-based, and Component Interaction testing patterns for maintainable test suites.
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3 Fluent Assertions Features You Should be Using
Master 3 Fluent Assertions features - assertion scopes for multiple checks, HttpResponseMessage testing, and advanced assertion techniques.
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How to Organize your .NET Dependency Injection Configuration
Organize .NET Dependency Injection by features - move beyond technical grouping to feature-based DI configuration patterns.
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How Structure Sensitive Tests Make Refactoring's Fail
Structure-sensitive tests break refactoring - mock implementation details, coupling issues, and behavior-focused testing strategies.
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The Biggest Folder Structure Mistake on .NET
Avoid the librarian folder structure mistake - organize .NET projects by features, not technical concerns, for better navigation.
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I Built the Netflix Intro on a .NET Console, and this is how I've done it
Recreate Netflix intro in .NET Console - Spectre.Console animations, SkiaSharp GIF processing, and terminal graphics programming.
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DateTimeOffset vs DateTime - What's the difference?
DateTimeOffset vs DateTime differences - Microsoft recommendations, timezone handling, and avoiding UTC conversion pitfalls.
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How the DRY Principle can damage your tests (C# Developers)
Why DRY principle damages C# test readability - avoid over-abstraction, maintain test clarity, and embrace necessary duplication.
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The missing Project that fixes everything in .NET
The missing Composition Root project in .NET - organize Clean Architecture dependencies and avoid coupling to frameworks.
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How to apply Hexagonal Architecture with .NET
Implement Hexagonal Architecture in .NET - project structure, dependency inversion, and practical Ports & Adapters examples.
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Hexagonal Architecture for .NET Developers (Beginners)
Hexagonal Architecture guide for .NET developers - Ports & Adapters pattern, testability, and swappable dependencies explained.
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5 things Microsoft needs to do to make Central Package Management widely used
5 improvements needed for .NET Central Package Management adoption - tooling enhancements, IDE support, and developer experience.
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C# 11 Required Members, the imperfectly awesome feature
C# 11 Required Members replace constructor brittleness - object initializers with mandatory fields and improved instantiation.
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C# 11 Auto Default Structs in depth
C# 11 Auto Default Structs eliminate field initialization requirements - improved maintainability and Class-Struct consistency.
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Finding .NET Transitive Dependencies and Tidying Up Your Project
Clean up .NET transitive dependencies with Snitch tool - identify unnecessary references, reduce package conflicts, and optimize projects.
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C# 11 UTF-8 String Literals - Ignore everything you have seen so far
C# 11 UTF-8 String Literals evolution - design changes, community feedback, and performance-readability balance in web scenarios.
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C# 11 Generic Attributes More Than Syntax Sugar
C# 11 Generic Attributes beyond syntax sugar - compile-time constraints, type safety, and framework quality-of-life improvements.
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A Gentle Introduction to C# 11 List Patterns
C# 11 List Patterns introduction - pattern matching with collections, array shapes, and F#-inspired syntax for elegant code.
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The Complete Guide to C# 11 Raw String Literals
Complete C# 11 Raw String Literals guide - escape-free JSON, SQL, XML strings with triple quotes and indentation handling.
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The Blind Spot of C# Records Immutability
C# Records immutability blind spot - mutable collections break immutability promises, understand reference vs value semantics.
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Quick Wins for .NET build pipelines
Optimize .NET build pipelines - CLI configuration options, Release mode, --no-restore, --no-build flags for faster CI/CD cycles.
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Providing a better experience for .NET developers with Caller Argument Expressions
Improve .NET developer experience with CallerArgumentExpression - better error messages, guard clauses, and API usability.
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Embedding dotnet format in your development cycle
Embed dotnet format in CI/CD pipelines - automate C# code formatting, enforce standards, and reduce code review friction.
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Looking into C# Property Patterns Performance
C# Property Patterns performance analysis - benchmark comparisons with traditional approaches and guard clause optimization tips.
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Taking control over xUnit test names
Customize xUnit test names with configuration files - DisplayName attributes, naming conventions, and test readability improvements.
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Expressive C# code with Property Patterns
Learn expressive c# code with property patterns techniques and best practices for C# development for software developers and engineers.
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Where to place C#10 Global Usings
Organize C# 10 Global Usings effectively - central placement strategies, project-level declarations, and tidier source code management.
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Uploading files with ASP.NET Minimal APIs
File uploads in ASP.NET Minimal APIs - migration from Controllers, IFormFile handling, and 415 Unsupported Media Type fixes.
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Azure Storage Integration Testing with Azurite
Azure Storage local testing with Azurite emulator - Docker container setup, integration tests, and offline development benefits.
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React components doing too much (and how to simplify them)
Simplify complex React components - recognize boolean prop warnings, component contracts, and Single Responsibility violations.
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Avoiding Booleans in React Components with a State Enum
Replace React boolean flags with state enums for cleaner component management - finite state machines, XState library, and better state control.
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The value of Continuous Refactoring
Make refactoring a continuous practice - TDD cycle integration, daily habits, and avoiding technical debt accumulation.
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Avoid GetAwaiter().GetResult() at all cost
Avoid GetAwaiter().GetResult() in C# at all costs - prevents deadlocks, thread pool starvation, and ensures proper async/await usage.
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When should a function return? Return Early
Embrace early return pattern - reduce cyclomatic complexity, improve readability, and eliminate nested conditions in functions.
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Eleventy - The Simplest Static Site Generator
Migrate to Eleventy static site generator - simplest 11ty setup, GitHub Pages hosting, markdown support, and Gatsby comparison.
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Speaking
Speaking at a Virtual Conference
Virtual conference speaking guide - NDC Oslo 2020 experience, setup requirements, camera positioning, and online presentation tips.
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Refactoring, Improvement
That flag argument is yelling at you
Avoid boolean flag arguments that violate Single Responsibility Principle - refactor into separate, focused methods for cleaner code.
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Don't comment what your code is doing, comment the Why
Write meaningful code comments - explain the 'why' not the 'what', avoid obvious statements, and improve code documentation.
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Refactoring, Improvement
Manage your code as a successful restaurant
Avoid boolean flag arguments that violate Single Responsibility Principle - refactor into separate, focused methods for cleaner code.
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A simple way to build your JavaScript tests data
Build JavaScript test data simply with spread operator - elegant alternative to complex builder pattern for object creation.
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Don't declare your Variables at the top
Declare variables close to usage, not at the top - reduce cognitive load, improve readability, and signal function extraction.
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.NET
windbg a .net core 3.1 app memory leak
Debug .NET Core memory leaks with WinDbg - setup SOS extension, analyze garbage collector handles, and find heap issues.
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React
Optimizing React Render - 3 things that I wish to know before
Optimize React rendering performance - avoid object references, prevent unnecessary re-renders, and improve component efficiency.
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Team, Improvement
One-on-ones - Using behavioural science to maximize the impact
Maximize one-on-one meeting impact with behavioral science - effective goal setting, achievement strategies, and team development.
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Creativity, Improvement
Start thinking inside the box
Think inside the box for better creativity - how constraints like iPhone design limitations drive innovation more than limitless freedom.
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Refactoring, Improvement, C#, .net
A simple tip to improve your code maintainability - Decompose IF statements into methods
Improve code maintainability by extracting complex IF statements into well-named methods - reduce cognitive load and enhance readability.
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Remote Work, Improvement, Team
You should start working remotely once a week
Start remote work gradually - 5 reasons to work from home once weekly, productivity benefits, and convincing management strategies.
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Improvement, Feedback
The secret to know Yourself
Discover self-awareness secrets - why voice recordings reveal truth about ourselves and how observation beats introspection.
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Feedback
Leading Improvement through Honest Feedback
Build improvement culture through honest feedback - overcome restaurant politeness syndrome and lead teams with genuine, constructive criticism.
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.net, .net Core, gRPC, Serilog
Logging gRPC requests using Serilog
Log gRPC requests with Serilog using interceptors - correlation IDs, response times, request tracking, and unary call monitoring.
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Cake, .net, .net Core
Versioning .net Core applications using Cake
Version .NET Core applications with Cake Build - Directory.Build.props integration, automated versioning, and build strategies.
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Docker
Exploring the Docker Container metaphor
Understand Docker containers through shipping metaphors - servers as ships, containers for isolation, and containerization benefits.
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JSON Patch Builder Online
JSON Patch Builder Online tool - create RFC6902-compliant patches for HTTP PATCH operations with visual JSON transformation.
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ASP.NET Core
Implementing the HTTP Prefer Header with an ASP.NET Core Filter
Implement HTTP Prefer Header in ASP.NET Core - RFC-7240 compliance for return=representation and return=minimal preferences.
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Please don't name it "Utils"!
Stop naming classes 'Utils' - improve code readability, discoverability, and maintainability with meaningful class names like Logger.
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Azure
Rebuilding SQL Database indexes using Azure Function
Automate SQL Database index maintenance with Azure Functions - rebuild fragmented indexes, reorganize thresholds, multi-database support.
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Cake
5 reasons to convince your boss to adopt Cake (C# Make)
5 compelling reasons to convince your boss to adopt Cake Build - C# familiarity, living documentation, and automation benefits.
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Tuga IT - Build Automation? It's a piece of Cake
Tuga IT conference talk - Cake Build automation presentation with slides, demos, references, and practical build examples.
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.NET
Adding Custom Arguments to Topshelf
Add custom command-line arguments to Topshelf Windows services using AddCommandLineDefinition with practical examples.
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Cake
Create a Web Deployment Package with Cake Build
Create ASP.NET Web Deployment Packages with Cake Build - MSBuild integration, configuration settings, and packaging automation.
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NetPonto - Como construir software altamente eficiente com CQRS
NetPonto Portuguese talk - building efficient software with CQRS. Includes video, slides, and comprehensive CQRS references.
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Azure
Azure WebJobs dependency injection with Unity
Implement dependency injection in Azure WebJobs using Unity container - IJobActivator interface, UnityJobActivator, and configuration setup.
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.NET
The shining new C# Scripting API
C# Scripting API with Roslyn - runtime code evaluation, expression parsing, and scripting capabilities for .NET applications.
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Is CQRS too complicated? No!
CQRS simplified - Command Query Responsibility Segregation isn't complicated, just separate read and write models effectively.
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Use T4 as email template in 6 steps
Create email templates in .NET using T4 text templates - 6-step guide for HTML emails with dynamic content and formatting.
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Using Trello to manage your Wine Cellar
Organize your wine cellar with Trello - track bottles by location, manage inventory, and choose wines using stickers and boards.
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NetPonto
7th Meeting of NetPonto Community in Oporto
NetPonto Community 7th meeting in Porto - SOLR in .NET search solutions and ECMAScript vNext talks at ISEP, free registration.
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Windows Phone, Android
Are you sure that Android is better than Windows Phone?
Honest comparison - Android vs Windows Phone from a long-time WP user's perspective after switching for one month testing period.
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Node.js
Reduce the path length of a Node.js project
Solve Windows path length limitations in Node.js projects - tips for npm dependencies, Visual Studio development, and Azure deployment.
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NetPonto
6th Meeting of NetPonto Community in Oporto
NetPonto Community 6th meeting in Porto - ASP.NET VNext on Mac and Xamarin Forms talks at ISEP, free registration required.
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Azure, Revista PROGRAMAR
Create an API in Azure App Service - Revista PROGRAMAR Nº 49
Azure App Service API Apps tutorial published in Portuguese Revista PROGRAMAR magazine - features, benefits, and implementation guide.
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Lessons learned from Agile Portugal 2015
Key lessons from Agile Portugal 2015 - visual management importance, user story writing, and building transparent team culture with physical boards.
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Azure
Azure App Service API Apps - Microsoft Rest HttpOperationException
Troubleshoot Azure App Service API Apps Microsoft.Rest.HttpOperationException errors with debugging techniques and solutions.
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AngularJS
AngularJS - After Render Directive
Create AngularJS after-render directive - execute code after template rendering completes using \ and custom attributes.
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Azure
A developer's thoughts on Azure SQL Database performance levels
Azure SQL Database performance tiers analysis - comparing Web/Business models to new Basic/Standard/Premium pricing and performance.
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AngularJS
AngularJS - Input number with 2 decimal places
Create AngularJS number inputs with 2 decimal validation - HTML5 step attribute, ng-pattern regex, and mobile keyboard support.
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Node.js, .NET
How to Encrypt in Node.js and Decrypt in C#
Cross-platform encryption - encrypt data in Node.js with AES256 and decrypt in C# using RijndaelManaged for secure messaging.
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Azure, Node.js
How to access Azure storage emulator using Node.js SDK
Connect to Azure Storage Emulator with Node.js SDK using generateDevelopmentStorageCredentials() for local development testing.
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SQL
T-SQL: Which schema is consuming more space?
T-SQL query to identify which database schemas consume most space in multi-tenant architectures using sys.dm_db_partition_stats.
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5 awesome tools to craft the perfect Domain Name
Discover 5 tools for perfect domain names - WORDOID, Name Mesh, Panabee, Impossibility, and DomainsBot for finding available .com domains.
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Node.js
Overcome the DEPTH_ZERO_SELF_SIGNED_CERT on Node.js
Resolve Node.js DEPTH_ZERO_SELF_SIGNED_CERT errors - handle self-signed certificates in development with NODE_TLS_REJECT_UNAUTHORIZED.
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ASP.NET MVC
Disable your html cache
Control browser caching behavior in ASP.NET - disable HTML cache while enabling resource file caching through web.config settings.
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Azure
Azure deploy and the path length limitation
Fix Windows path length limitation in Azure Cloud Service deployments by configuring ServiceOutputDirectory in .ccproj files.
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Azure
Azure SQL Database: Automatic Backups
Configure automatic Azure SQL Database backups - set up scheduled exports to storage accounts without PowerShell scripts or custom code.
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Productivity
How to implement Getting Things Done with Trello
Implement Getting Things Done (GTD) methodology with Trello - combine David Allen's productivity system with Kanban boards for workflow.
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Automate NuGet package creation using Grunt
Automate NuGet package creation with Grunt for metro-bootstrap - streamline builds, eliminate manual packaging, and integrate with CI/CD workflows.
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metro-bootstrap
metro-bootstrap 3.2.0.1 released
Metro-bootstrap 3.2.0.1 release notes - Bootstrap 3.2.0 update, Bower main configuration, and new tile font size variables.
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Windows Phone
Have fun with Cortana
Discover fun and useful Windows Phone Cortana voice commands - jokes, reminders, calendar, music, weather, and entertaining interactions.
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Entrepreneurship
Your product needs an identity
Build products with strong identity using Seth Godin's philosophy. Learn why targeting everyone means targeting no one in product development.
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Azure
Analyse Azure Log Tables using SQL Queries
Query Azure diagnostic logs with SQL using AzureLogSpelunker tool. Escape slow Azure Storage Explorer with fast, local SQLite analysis.
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metro-bootstrap
metro-bootstrap with improved tiles
Metro-bootstrap 3.1.1.2 release - improved tiles with flexible positioning, new colors, dashboard template, and Bootstrap grid integration.
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.NET, ASP.NET
Add documentation to your Web API in 5 steps
Auto-generate ASP.NET Web API documentation in 5 steps using HelpPage package. Create XML comments and interactive API docs effortlessly.
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Update GitHub Pages using a project subfolder
Automate GitHub Pages deployment using git subtree - push project subfolders to gh-pages branch without manual branch management.
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metro-bootstrap
Bringing Grunt and Bower to metro-bootstrap
Add Grunt and Bower to metro-bootstrap open source project - automate builds, manage dependencies, and structure frontend workflows.
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Reasons to blogging with GitHub Pages and Sandra.Snow
Why choose GitHub Pages and Sandra.Snow over WordPress for .NET developers - markdown writing, no database, version control, and zero maintenance.
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AngularJS
AngularJS - Smart Float Directive
Build an improved AngularJS smart-float directive for number validation with comma/dot decimal separators and thousands separators support.
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Productivity
Pomodoro Technique, the productivity sauce
Master the Pomodoro Technique for developers - 25-minute focused work sessions with breaks to boost productivity and eliminate distractions.
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.NET
The dark side of dynamic typing
Discover C# dynamic typing performance costs vs static typing with benchmarks. Learn when to avoid dynamic for better .NET application speed.
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Azure
Move your database to new SQL Azure Service Tiers
Step-by-step guide to migrate SQL databases to new Azure Basic and Standard tiers with bacpac export/import and troubleshooting tips.
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Let's blog
Meet Portuguese .NET developer Guilherme Ferreira sharing software development lessons, entrepreneurship tips, and productivity insights from Porto.
Developer Insights
What I'm building, learning, and discovering each week.