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Browse all tutorials, guides, and articles on TechnoApple.
C# CancellationToken Best Practices for Web API
2026/05/15·12 min readLearn the best practices for using CancellationToken in ASP.NET Core Web APIs, with real-world code samples, client/server demos, and practical guidance for robust cancellation handling.
Modern C# Language Features: Pattern Matching, Records, and More
2026/05/05·18 min readExplore modern C# features from C# 7 to 13, including pattern matching, records, collection expressions, and primary constructors for cleaner, more expressive code.
Claude Code - Anthropic's AI Agent That Lives in Your Terminal
2026/05/04·7 min readAn introduction to Claude Code — Anthropic's agentic AI coding tool that runs in your terminal, reads your codebase, and executes multi-step tasks autonomously.
GitHub Copilot - The AI Coding Assistant That Changes How You Write Code
2026/05/04·8 min readA practical guide to GitHub Copilot — what it is, how to set it up in VS Code, and tips for getting the most out of AI-assisted coding.
Lighthouse Pipeline - Automate Performance Testing in CI/CD
2026/05/04·8 min readImplement automated Lighthouse performance testing in your CI/CD pipeline to catch performance regressions early. Learn the problems, challenges, and solutions for integrating Lighthouse into GitHub Actions or other CI systems.
Build Your First Power BI Report: Step-by-Step with a Real Dataset
2026/04/27·12 min readA hands-on walkthrough for building a complete Power BI report from scratch using a retail sales dataset covering 2023–2025. Covers data loading, Power Query transformations, DAX measures, and building interactive visualizations.
How to Get Started with Power BI
2026/04/26·7 min readPower BI is Microsoft's enterprise-grade business intelligence platform. This guide covers how to get started with Power BI Desktop, connect data sources, and build your first report.
C# Code Organization and Documentation Without Noise — Clean Code
2026/04/26·8 min readOrganize C# projects and classes for maintainability, and write comments that explain why instead of what.
Modern C# Features That Improve Code Readability — Clean Code
2026/04/21·10 min readUse modern C# features like records, pattern matching, collection expressions, and primary constructors without sacrificing maintainability.
Choosing Between Struct, Class, and Collections in ASP.NET Core: A Practical Decision Matrix
2026/04/14·7 min readA practical guide for ASP.NET Core developers on when to use struct, class, and collections, with real-world C# examples for each scenario.
C# Testing and Testability for Maintainable Systems — Clean Code
2026/04/14·9 min readWrite cleaner C# code by designing for testability and focusing tests on behavior using AAA and descriptive naming.
C# Code Smells and Refactoring Patterns That Matter — Clean Code
2026/04/09·11 min readIdentify common C# code smells and apply practical refactoring patterns to improve readability, safety, and maintainability.
C# Error Handling and Defensive Coding in ASP.NET Core — Clean Code
2026/04/03·10 min readBuild resilient C# APIs with specific exceptions, ProblemDetails, validation boundaries, and immutable models.
C# Class Design and SOLID Principles in Real Projects — Clean Code
2026/03/29·10 min readLearn how to apply SRP, dependency inversion, and composition in C# to build maintainable, extensible production services.
C# Naming Conventions and Method Design — Clean Code
2026/03/22·9 min readPractical C# naming conventions and method design rules that improve readability and reduce bugs in production code.
C# Clean Code Roadmap: A Practical Guide to Production-Quality Code
2026/03/18·5 min readStart here for a practical C# clean code series focused on naming, methods, SOLID, error handling, testing, and modern C# features.
C# ValueTask vs Task in Three-Tier APIs — When to Use Each
2026/03/02·16 min readUnderstand when to use Task vs ValueTask in ASP.NET Core three-tier APIs, with practical examples for cache-heavy, always-I/O, and batch aggregation scenarios.
ML Regression — House Price Prediction with Python
2026/02/24·10 min readA step-by-step guide to building a Linear Regression model for house price prediction using Python, scikit-learn, and pandas — covering EDA, feature engineering, training, and evaluation.
C# Task Combinators: Task.WhenAll, Task.WhenAny, Task.WhenEach, and Parallel.ForEachAsync
2026/02/18·13 min readLearn when to use Task.WhenAll, Task.WhenAny, Task.WhenEach, and Parallel.ForEachAsync, including practical patterns for primary/fallback concurrency in real apps.
C# Primary Constructor vs Legacy Constructor for Dependency Injection
2026/02/15·5 min readCompare the new C# primary constructor syntax with the traditional constructor-based dependency injection pattern. Learn when to use each, with practical code examples.
How to Fix 502 and 503 Gateway Errors on AWS EC2 with an Application Load Balancer
2026/02/14·12 min readA deep-dive into why 502 and 503 errors appear on a Node.js app hosted on AWS EC2 behind an ALB, what causes them, and how to fix them properly with an Auto Scaling Group and a robust bootstrap script.
C# Configuration & Options Pattern - Cheatsheet
2026/02/04·3 min readOne-page quick reference for ASP.NET Core configuration, Options pattern, and DI registration patterns.
ConfigureAwait(false) in C# and ASP.NET Core: Deadlocks, 3-Tier API, and Library Rules
2026/01/18·20 min readLearn exactly what ConfigureAwait(false) does, when it prevents deadlocks, why ASP.NET Core usually does not need it, and how to apply it correctly in reusable library code.
C# Deadlocks and SynchronizationContext — Why ASP.NET Core Doesn't Have It
2026/01/05·16 min readMaster SynchronizationContext, understand how .Result and .Wait() cause deadlocks in WPF/WinForms/ASP.NET Framework, and why ASP.NET Core eliminated this problem entirely.
C# Configuration & Options Pattern
2026/01/02·8 min readPractical guide to configuration in ASP.NET Core using the Options pattern, validation, named options and reload strategies.
How to Build Your First Vertex AI Model Using AutoML
2026/01/02·5 min readA practical guide to predicting housing prices using GCP Vertex AI with AutoML Tabular.
C# Testing with MSTest In-Depth
2025/10/15·12 min readLearn MSTest fundamentals, attributes, and patterns for robust unit testing in C# applications. Includes practical examples and best practices.
C# Testing In-Depth
2025/05/05·16 min readMaster xUnit, Moq, FluentAssertions, and integration testing patterns for building robust, maintainable C# applications with comprehensive test coverage.
C# Dependency Injection & Service Lifetimes
2025/03/04·35 min readMaster dependency injection in ASP.NET Core with a complete guide to transient, scoped, and singleton lifetimes, captive dependencies, and real-world 3-layer architecture patterns.
Git Merge Patterns for Main and Release Branches
2025/02/02·6 min readA practical guide on using Squash and Fast-Forward patterns to manage a clean Git workflow.