Solving Add Two Numbers in Python
Learn how to add two numbers represented as linked lists efficiently using Python.
Categories
- LeetCode 32
- Algorithms 32
- .NET 27
- Personal-Finance-App 14
- C# 9
- Programming 6
- Architecture 6
- Web Development 6
- .NET C# 4
- DevOps 4
- Docker 2
- Azure 2
- Performance 2
- Healthcare-IT 1
- FHIR 1
- Distributed Systems 1
- API 1
- Full Stack 1
- React 1
- Web API 1
- Testing 1
- ASP.NET Core 1
- Design Patterns 1
- AI 1
- Developer Tools 1
LeetCode
Copy List with Random Pointer in C#
Learn how to create a deep copy of a linked list where each node contains an additional random pointer using hash map and space-optimized interweaving approa...
Remove N-th Node From End of List in C#
Learn how to remove the n-th node from the end of a singly-linked list using the two-pointer approach in C#.
LeetCode: Reorder List in C#
Learn how to reorder a singly-linked list in-place using the slow/fast pointer technique, list reversal, and alternate merging in C#.
Median of Two Sorted Arrays in C#
Learn how to find the median of two sorted arrays using both an intuitive merging approach and the optimal O(log(N+M)) binary search approach in C#.
Linked List Cycle Detection in C#
Learn how to detect a cycle in a linked list using Floyd’s Cycle-Finding Algorithm (Tortoise and Hare) in C#.
Merging Two Sorted Lists in C#
Discover how to merge two sorted linked lists into a single sorted list using an iterative approach with a sentinel node in C#.
Reverse Linked List in C#
Learn how to reverse a singly-linked list using both iterative and recursive (NeetCode) approaches in C#.
Time Based Key-Value Store in C#
Learn how to build a time-based key-value store using a dictionary and binary search in C#.
Search in Rotated Sorted Array in C#
Learn how to search for a target value in a rotated sorted array efficiently using binary search in C#.
Find Minimum in Rotated Sorted Array in C#
Learn how to efficiently find the minimum element in a rotated sorted array using a modified binary search approach in C#.
Solving Koko Eating Bananas in C#
Learn how to find the minimum eating speed for Koko using a Binary Search on Answer strategy in C#.
Search a 2D Matrix in C#
Explore multiple ways to search for a target value in a sorted 2D matrix, including the virtual 1D array and staircase search approaches.
Solving Binary Search in C#
Learn how to find a target value in a sorted array using a Binary Search approach in C#.
Solving Trapping Rain Water in C#
Learn how to compute trapped rain water efficiently using a left-max array and a reverse sweep in C#.
Solving Largest Rectangle in Histogram in C#
Learn how to find the largest rectangular area in a histogram by using either a centered-expansion strategy or an optimized monotonic stack approach in C#.
Solving Container With Most Water in C#
Learn how to find the maximum amount of water a container can store using an efficient two-pointer approach in C#.
Solving 3Sum in C#
Learn how to find all unique triplets in an array that add up to zero using sorting and a two-pointer approach in C#.
Solving Two Sum II - Input Array Is Sorted in C#
Learn how to find two numbers that add up to a specific target in a sorted array using a two-pointer approach within an iterative loop in C#.
Solving Valid Palindrome in C#
Learn how to determine if a string is a palindrome by considering only alphanumeric characters and ignoring cases using a two-pointer approach in C#.
Solving Car Fleet in C#
Learn how to determine the number of car fleets that will reach the target using a stack-based approach in C#.
Solving Daily Temperatures in C#
Learn how to find the number of days until a warmer temperature using a Monotonic Stack in C#.
Solving Evaluate Reverse Polish Notation in C#
Learn how to evaluate arithmetic expressions in Reverse Polish Notation (RPN) efficiently using a Stack in C#.
Solving Valid Sudoku in C#
Learn how to validate a 9x9 Sudoku board efficiently by checking rows, columns, and sub-boxes using HashSets.
Solving Valid Parentheses in C#
Learn how to validate a string of parentheses efficiently by using a Stack and Dictionary to ensure every bracket matches correctly.
Solving Min Stack in C#
Learn how to design a stack that supports push, pop, top, and retrieving the minimum element in constant time using a single stack with Tuples.
Solving Longest Consecutive Sequence in C#
Learn how to find the length of the longest consecutive sequence in an unsorted array in O(n) time using HashSets.
Solving Product of Array Except Self in C#
Learn how to calculate the product of all elements except the current one in O(N) time and O(1) extra space without using the division operator.
Solving Encode and Decode Strings in C#
Learn how to encode and decode a list of strings in C# using both a unique separator and the robust length-prefix approach.
Solving Top K Frequent Elements in C# with PriorityQueue
Learn how to find the most frequent elements in an array efficiently using a Dictionary and a Min-Heap (PriorityQueue) in .NET.
Solving the Group Anagrams Problem in C#
Learn how to efficiently group anagrams from a list of strings using sorting and dictionaries in .NET 10.
Solving the Two Sum Problem in C# with Dictionaries
Learn how to solve the classic Two Sum LeetCode problem efficiently using a Dictionary for O(n) performance in .NET 10.
Algorithms
Solving Add Two Numbers in Python
Learn how to add two numbers represented as linked lists efficiently using Python.
Copy List with Random Pointer in C#
Learn how to create a deep copy of a linked list where each node contains an additional random pointer using hash map and space-optimized interweaving approa...
Remove N-th Node From End of List in C#
Learn how to remove the n-th node from the end of a singly-linked list using the two-pointer approach in C#.
LeetCode: Reorder List in C#
Learn how to reorder a singly-linked list in-place using the slow/fast pointer technique, list reversal, and alternate merging in C#.
Median of Two Sorted Arrays in C#
Learn how to find the median of two sorted arrays using both an intuitive merging approach and the optimal O(log(N+M)) binary search approach in C#.
Linked List Cycle Detection in C#
Learn how to detect a cycle in a linked list using Floyd’s Cycle-Finding Algorithm (Tortoise and Hare) in C#.
Merging Two Sorted Lists in C#
Discover how to merge two sorted linked lists into a single sorted list using an iterative approach with a sentinel node in C#.
Reverse Linked List in C#
Learn how to reverse a singly-linked list using both iterative and recursive (NeetCode) approaches in C#.
Time Based Key-Value Store in C#
Learn how to build a time-based key-value store using a dictionary and binary search in C#.
Search in Rotated Sorted Array in C#
Learn how to search for a target value in a rotated sorted array efficiently using binary search in C#.
Find Minimum in Rotated Sorted Array in C#
Learn how to efficiently find the minimum element in a rotated sorted array using a modified binary search approach in C#.
Solving Koko Eating Bananas in C#
Learn how to find the minimum eating speed for Koko using a Binary Search on Answer strategy in C#.
Search a 2D Matrix in C#
Explore multiple ways to search for a target value in a sorted 2D matrix, including the virtual 1D array and staircase search approaches.
Solving Binary Search in C#
Learn how to find a target value in a sorted array using a Binary Search approach in C#.
Solving Trapping Rain Water in C#
Learn how to compute trapped rain water efficiently using a left-max array and a reverse sweep in C#.
Solving Largest Rectangle in Histogram in C#
Learn how to find the largest rectangular area in a histogram by using either a centered-expansion strategy or an optimized monotonic stack approach in C#.
Solving Container With Most Water in C#
Learn how to find the maximum amount of water a container can store using an efficient two-pointer approach in C#.
Solving 3Sum in C#
Learn how to find all unique triplets in an array that add up to zero using sorting and a two-pointer approach in C#.
Solving Two Sum II - Input Array Is Sorted in C#
Learn how to find two numbers that add up to a specific target in a sorted array using a two-pointer approach within an iterative loop in C#.
Solving Valid Palindrome in C#
Learn how to determine if a string is a palindrome by considering only alphanumeric characters and ignoring cases using a two-pointer approach in C#.
Solving Car Fleet in C#
Learn how to determine the number of car fleets that will reach the target using a stack-based approach in C#.
Solving Daily Temperatures in C#
Learn how to find the number of days until a warmer temperature using a Monotonic Stack in C#.
Solving Evaluate Reverse Polish Notation in C#
Learn how to evaluate arithmetic expressions in Reverse Polish Notation (RPN) efficiently using a Stack in C#.
Solving Valid Sudoku in C#
Learn how to validate a 9x9 Sudoku board efficiently by checking rows, columns, and sub-boxes using HashSets.
Solving Valid Parentheses in C#
Learn how to validate a string of parentheses efficiently by using a Stack and Dictionary to ensure every bracket matches correctly.
Solving Min Stack in C#
Learn how to design a stack that supports push, pop, top, and retrieving the minimum element in constant time using a single stack with Tuples.
Solving Longest Consecutive Sequence in C#
Learn how to find the length of the longest consecutive sequence in an unsorted array in O(n) time using HashSets.
Solving Product of Array Except Self in C#
Learn how to calculate the product of all elements except the current one in O(N) time and O(1) extra space without using the division operator.
Solving Encode and Decode Strings in C#
Learn how to encode and decode a list of strings in C# using both a unique separator and the robust length-prefix approach.
Solving Top K Frequent Elements in C# with PriorityQueue
Learn how to find the most frequent elements in an array efficiently using a Dictionary and a Min-Heap (PriorityQueue) in .NET.
Solving the Group Anagrams Problem in C#
Learn how to efficiently group anagrams from a list of strings using sorting and dictionaries in .NET 10.
Solving the Two Sum Problem in C# with Dictionaries
Learn how to solve the classic Two Sum LeetCode problem efficiently using a Dictionary for O(n) performance in .NET 10.
.NET
GitHub Actions for Beginners: Your First Workflow, Step by Step
This is a beginner tutorial for GitHub Actions. We start from zero and build a small workflow that tests a .NET project every time you push code. I use short...
Building a CI/CD Pipeline with GitHub Actions: A Step-by-Step Guide from My PersonalFinance Project (.NET 10 + Azure)
I recently set up a full CI/CD pipeline for my PersonalFinance project with help from Claude Code. It works well, but a pipeline you can’t explain is a pipel...
User Impersonation for QA & Dev in Windows Auth with ASP.NET Core MVC (.NET 10)
Learn how to build a safe, production-grade user impersonation mechanism in ASP.NET Core MVC (.NET 10) to streamline QA and local development for Windows Aut...
A Simple Guide to the Decorator Pattern: User Impersonation in ASP.NET Core MVC (.NET 10)
Design patterns often feel intimidating when buried under enterprise boilerplate or third-party libraries. However, the Decorator Pattern is simple, elegant,...
How to Create a Custom .NET 10 MVC & API Solution Template
When starting a new project or onboarding team members, setting up the same repetitive multi-project architecture by hand (creating a modern solution file, a...
Understanding SelectList in ASP.NET Core MVC .NET 10
Dropdown lists are a staple of web forms. Learn how to effectively use SelectList and MultiSelectList in ASP.NET Core MVC to create dynamic, data-driven sele...
Using JavaScript in ASP.NET Core MVC .NET 10: A Complete Guide
Master the art of integrating JavaScript into your ASP.NET Core MVC projects. From script placement to AJAX calls with Antiforgery tokens, learn everything y...
Deep Dive: AJAX and the Fetch API in ASP.NET Core MVC .NET 10
Learn how to implement seamless asynchronous updates in your MVC applications. This guide provides a full, working example of the Fetch API interacting with ...
Mastering ASP.NET Core Tag Helpers in MVC .NET 10
Explore the power of Tag Helpers in ASP.NET Core MVC .NET 10. Learn how they simplify your Razor views with clean, HTML-friendly syntax and discover the most...
SOLID Principles in Modern .NET: Beyond the Theory
Revisit the SOLID principles with practical C# examples. Learn how to apply these foundational patterns to build maintainable and flexible .NET systems.
Resilience in .NET: Mastering Polly for Fault Tolerance
Learn how to build resilient .NET applications using Polly. Explore strategies like Retries, Circuit Breakers, and Timeouts to handle transient failures grac...
High-Performance .NET: Mastering Span and Memory
Learn how to optimize memory usage and reduce garbage collection overhead using Span and Memory for high-performance .NET applications.
Modern Testing in .NET: TDD, Mocking, and Integration Tests
Level up your testing strategy. Explore Test-Driven Development (TDD), efficient mocking with NSubstitute, and high-confidence integration testing with WebAp...
Custom Middleware and the Request Pipeline in ASP.NET Core
Learn how to build and orchestrate custom middleware to handle cross-cutting concerns like logging, exception handling, and security in your .NET applications.
Domain-Driven Design (DDD): Managing Complexity in .NET
Explore the core concepts of Domain-Driven Design (DDD). Learn how to use Aggregates, Entities, and Value Objects to align your code with complex business re...
Dependency Injection in .NET: From Lifecycles to Keyed Services
A deep dive into Dependency Injection in .NET. Learn about service lifecycles, the ‘Captive Dependency’ problem, and how to use the new Keyed Services in .NE...
Clean Architecture in .NET: Building Evolution-Ready Systems
Discover the principles of Clean Architecture. Learn how to separate business logic from technical details to create maintainable, testable, and scalable .NE...
Data-Driven Performance: Benchmarking in .NET with BenchmarkDotNet
Stop guessing which code is faster. Learn how to use BenchmarkDotNet to get scientific, reproducible performance metrics for your .NET applications.
Advanced C#: Mastering Records and Pattern Matching
Explore how Records and Pattern Matching can simplify your code, improve readability, and ensure data integrity in modern .NET applications.
Advanced Asynchronous Programming: Beyond Task and Await
Master advanced async patterns in .NET, including ValueTask for performance, IAsyncEnumerable for streaming, and the critical importance of CancellationToken.
Elevating Your .NET Career: A Roadmap from Mid-Level to Senior Developer
Ready to move beyond CRUD apps? Explore the advanced C# features and architectural patterns you need to master to build robust, scalable, and high-performanc...
Building a Todo List App with ReactJS and .NET 10 from Scratch
A comprehensive guide on creating a full-stack Todo list application using ReactJS for the frontend and ASP.NET Core .NET 10 for the backend, featuring both ...
Introduction to .NET Aspire in .NET 10
Building modern, distributed applications can be complex. Between managing multiple services, setting up databases, and ensuring your logs and metrics are al...
Securing .NET 10 Web APIs with OAuth 2.0 and OpenID Connect: A Beginner’s Guide
Welcome! In this post, we’re going to dive into the world of OAuth 2.0 and OpenID Connect (OIDC) and learn how to use them to secure your .NET 10 Web APIs.
Implementing Token Authentication with Duende IdentityServer in .NET 10: Production-Ready Guide
Today, we’re going to build a production-ready Identity Provider using Duende IdentityServer.
Explaining the .NET Multi-Stage Dockerfile
A deep dive into the standard .NET Dockerfile structure, explaining multi-stage builds and how each step contributes to a lean production image.
Part 10: TDD and Unit Testing in .NET: Production-Ready Strategies
Welcome to Part 10 of our .NET Interview Series! Today, we’re diving into the world of Test-Driven Development (TDD) and Unit Testing. In modern software eng...
Personal-Finance-App
Building a Personal Finance App, Part 13: GDPR Data Export and Account Deletion
In this final part I add the two privacy features every app holding personal data should have: “download my data” and “delete my account”. They sound like a ...
Building a Personal Finance App: Series Overview
For about a month, from late September to late October 2026, I built a Personal Finance app from an empty solution to a deployed, multi-service .NET 10 appli...
Building a Personal Finance App, Part 12: Building with AI Coding Agents
Most of this app was written with AI coding agents at the keyboard and me in the reviewer’s chair. This post is about how that worked: the files the agents r...
Building a Personal Finance App, Part 11: Testing and Quality Gates
This part is about the safety net under the Personal Finance app: the tests, linters, analyzers and CI jobs that have to pass before anything reaches Azure. ...
Building a Personal Finance App, Part 10: RBAC and Account Isolation
The app is two services: a Web front end that users sign in to, and an ApiService behind it that owns the data. This part covers how I added roles and an adm...
Building a Personal Finance App, Part 9: Budget Tracker and Two Data Sources
Until this point, every budget number in the app came from a Google Sheet that I sync from Google Drive (see Part 2). That works for me, but not for anyone w...
Building a Personal Finance App, Part 8: Choosing Direct Services over CQRS
This part is about architecture, and about changing my mind. In four days the app went from “controllers talk to the database” to CQRS with MediatR, then to ...
Building a Personal Finance App, Part 7: Adding an AI Assistant
In this part I add an AI assistant to the app: a small chat bubble in the corner that answers questions about your budget, savings goals and net worth. The f...
Building a Personal Finance App, Part 6: Net Worth Projection and FI Planning
This part covers the feature I use most in my own app: a Net Worth projection page that answers “if I keep saving like this, when am I financially independen...
Building a Personal Finance App, Part 5: Deploying to Azure Container Apps
This is the part where the app left my laptop. I packaged both services as Docker images, described the entire Azure environment in Bicep, and wrote a GitHub...
Building a Personal Finance App, Part 4: .NET Aspire and Observability
By the end of Part 3 the app had two processes: PersonalFinance.Web (the MVC front end) and PersonalFinance.ApiService (the REST API it calls). Running them,...
Building a Personal Finance App, Part 3: Identity, Email Confirmation, and Google Sign-In
A personal finance app is useless if anyone can read anyone else’s budget, so after the first features worked I turned to accounts. This part covers how I se...
Building a Personal Finance App, Part 2: Turning Budget Spreadsheets into Reports
In Part 1 the app learned to list the files in a Google Drive folder. That’s not very useful on its own. This part is about reading those files: downloading ...
Building a Personal Finance App, Part 1: Project Setup and the Google Drive Explorer
Every project starts with an empty folder and a lot of decisions. On September 20, 2026, I went from that empty folder to a working multi-project .NET 10 sol...
C#
Advanced C#: Mastering Records and Pattern Matching
Explore how Records and Pattern Matching can simplify your code, improve readability, and ensure data integrity in modern .NET applications.
Advanced Asynchronous Programming: Beyond Task and Await
Master advanced async patterns in .NET, including ValueTask for performance, IAsyncEnumerable for streaming, and the critical importance of CancellationToken.
Elevating Your .NET Career: A Roadmap from Mid-Level to Senior Developer
Ready to move beyond CRUD apps? Explore the advanced C# features and architectural patterns you need to master to build robust, scalable, and high-performanc...
Mastering SemaphoreSlim for Async Concurrency in C# .NET 10
Learn how to use SemaphoreSlim to throttle parallel asynchronous operations in C# .NET 10, preventing resource exhaustion and improving application stability.
Staying Free: Throttling Google Geocoding API with C# .NET 10
Learn how to control your API usage and stay within the Google Geocoding free tier using SemaphoreSlim in C# .NET 10.
Securing .NET 10 Web APIs with OAuth 2.0 and OpenID Connect: A Beginner’s Guide
Welcome! In this post, we’re going to dive into the world of OAuth 2.0 and OpenID Connect (OIDC) and learn how to use them to secure your .NET 10 Web APIs.
Implementing Token Authentication with Duende IdentityServer in .NET 10: Production-Ready Guide
Today, we’re going to build a production-ready Identity Provider using Duende IdentityServer.
Mastering C# Generics: From Beginner to Expert
A comprehensive guide to understanding and implementing generics in C#, covering best practices, constraints, variance, and advanced performance techniques.
Part 10: TDD and Unit Testing in .NET: Production-Ready Strategies
Welcome to Part 10 of our .NET Interview Series! Today, we’re diving into the world of Test-Driven Development (TDD) and Unit Testing. In modern software eng...
Programming
Mastering SemaphoreSlim for Async Concurrency in C# .NET 10
Learn how to use SemaphoreSlim to throttle parallel asynchronous operations in C# .NET 10, preventing resource exhaustion and improving application stability.
Mastering PDF Generation in .NET 10: Using Rotativa.AspNetCore in Blazor and MVC
Learn how to use Rotativa.AspNetCore to generate PDF files in .NET 10 for both traditional MVC applications and modern Blazor apps.
Modern PDF Generation Alternatives for Blazor in .NET 10
Beyond Rotativa: Explore modern, high-performance alternatives for generating PDFs in Blazor, including QuestPDF, PuppeteerSharp, and the built-in HtmlRender...
Mastering I/O in C# & .NET 10: A Practical Guide to Files, Directories, and Streams
Learn how to perform common I/O tasks in .NET 10 with high performance and modern C# syntax. From simple file reading to advanced stream handling.
Mastering Regular Expressions (Regex) in C#: A Definitive Guide
From basic patterns to high-performance Source Generators, learn how to master Regex in .NET 10 with this comprehensive study guide.
Mastering C# Generics: From Beginner to Expert
A comprehensive guide to understanding and implementing generics in C#, covering best practices, constraints, variance, and advanced performance techniques.
Architecture
How to Create a Custom .NET 10 MVC & API Solution Template
When starting a new project or onboarding team members, setting up the same repetitive multi-project architecture by hand (creating a modern solution file, a...
SOLID Principles in Modern .NET: Beyond the Theory
Revisit the SOLID principles with practical C# examples. Learn how to apply these foundational patterns to build maintainable and flexible .NET systems.
Resilience in .NET: Mastering Polly for Fault Tolerance
Learn how to build resilient .NET applications using Polly. Explore strategies like Retries, Circuit Breakers, and Timeouts to handle transient failures grac...
Domain-Driven Design (DDD): Managing Complexity in .NET
Explore the core concepts of Domain-Driven Design (DDD). Learn how to use Aggregates, Entities, and Value Objects to align your code with complex business re...
Clean Architecture in .NET: Building Evolution-Ready Systems
Discover the principles of Clean Architecture. Learn how to separate business logic from technical details to create maintainable, testable, and scalable .NE...
Elevating Your .NET Career: A Roadmap from Mid-Level to Senior Developer
Ready to move beyond CRUD apps? Explore the advanced C# features and architectural patterns you need to master to build robust, scalable, and high-performanc...
Web Development
User Impersonation for QA & Dev in Windows Auth with ASP.NET Core MVC (.NET 10)
Learn how to build a safe, production-grade user impersonation mechanism in ASP.NET Core MVC (.NET 10) to streamline QA and local development for Windows Aut...
A Simple Guide to the Decorator Pattern: User Impersonation in ASP.NET Core MVC (.NET 10)
Design patterns often feel intimidating when buried under enterprise boilerplate or third-party libraries. However, the Decorator Pattern is simple, elegant,...
Understanding SelectList in ASP.NET Core MVC .NET 10
Dropdown lists are a staple of web forms. Learn how to effectively use SelectList and MultiSelectList in ASP.NET Core MVC to create dynamic, data-driven sele...
Using JavaScript in ASP.NET Core MVC .NET 10: A Complete Guide
Master the art of integrating JavaScript into your ASP.NET Core MVC projects. From script placement to AJAX calls with Antiforgery tokens, learn everything y...
Deep Dive: AJAX and the Fetch API in ASP.NET Core MVC .NET 10
Learn how to implement seamless asynchronous updates in your MVC applications. This guide provides a full, working example of the Fetch API interacting with ...
Mastering ASP.NET Core Tag Helpers in MVC .NET 10
Explore the power of Tag Helpers in ASP.NET Core MVC .NET 10. Learn how they simplify your Razor views with clean, HTML-friendly syntax and discover the most...
.NET C#
Mastering PDF Generation in .NET 10: Using Rotativa.AspNetCore in Blazor and MVC
Learn how to use Rotativa.AspNetCore to generate PDF files in .NET 10 for both traditional MVC applications and modern Blazor apps.
Modern PDF Generation Alternatives for Blazor in .NET 10
Beyond Rotativa: Explore modern, high-performance alternatives for generating PDFs in Blazor, including QuestPDF, PuppeteerSharp, and the built-in HtmlRender...
Mastering I/O in C# & .NET 10: A Practical Guide to Files, Directories, and Streams
Learn how to perform common I/O tasks in .NET 10 with high performance and modern C# syntax. From simple file reading to advanced stream handling.
Mastering Regular Expressions (Regex) in C#: A Definitive Guide
From basic patterns to high-performance Source Generators, learn how to master Regex in .NET 10 with this comprehensive study guide.
DevOps
GitHub Actions for Beginners: Your First Workflow, Step by Step
This is a beginner tutorial for GitHub Actions. We start from zero and build a small workflow that tests a .NET project every time you push code. I use short...
Building a CI/CD Pipeline with GitHub Actions: A Step-by-Step Guide from My PersonalFinance Project (.NET 10 + Azure)
I recently set up a full CI/CD pipeline for my PersonalFinance project with help from Claude Code. It works well, but a pipeline you can’t explain is a pipel...
Mastering Kusto Query Language (KQL) in Azure Application Insights
A professional guide to using Kusto Query Language (KQL) to explore, analyze, and visualize your Application Insights data.
Dockerfile for Beginners: A Step-by-Step Guide
Learn the basics of Dockerfiles, how they work, and how to create your first container image from scratch.
Docker
Explaining the .NET Multi-Stage Dockerfile
A deep dive into the standard .NET Dockerfile structure, explaining multi-stage builds and how each step contributes to a lean production image.
Dockerfile for Beginners: A Step-by-Step Guide
Learn the basics of Dockerfiles, how they work, and how to create your first container image from scratch.
Azure
Building a CI/CD Pipeline with GitHub Actions: A Step-by-Step Guide from My PersonalFinance Project (.NET 10 + Azure)
I recently set up a full CI/CD pipeline for my PersonalFinance project with help from Claude Code. It works well, but a pipeline you can’t explain is a pipel...
Mastering Kusto Query Language (KQL) in Azure Application Insights
A professional guide to using Kusto Query Language (KQL) to explore, analyze, and visualize your Application Insights data.
Performance
High-Performance .NET: Mastering Span and Memory
Learn how to optimize memory usage and reduce garbage collection overhead using Span and Memory for high-performance .NET applications.
Data-Driven Performance: Benchmarking in .NET with BenchmarkDotNet
Stop guessing which code is faster. Learn how to use BenchmarkDotNet to get scientific, reproducible performance metrics for your .NET applications.
Healthcare-IT
Connecting the Dots: A Beginner’s Guide to FHIR and Oracle Health (Cerner)
1. What is FHIR? (The “Explain Like I’m 5” Version)
FHIR
Connecting the Dots: A Beginner’s Guide to FHIR and Oracle Health (Cerner)
1. What is FHIR? (The “Explain Like I’m 5” Version)
Distributed Systems
Introduction to .NET Aspire in .NET 10
Building modern, distributed applications can be complex. Between managing multiple services, setting up databases, and ensuring your logs and metrics are al...
API
Staying Free: Throttling Google Geocoding API with C# .NET 10
Learn how to control your API usage and stay within the Google Geocoding free tier using SemaphoreSlim in C# .NET 10.
Full Stack
Building a Todo List App with ReactJS and .NET 10 from Scratch
A comprehensive guide on creating a full-stack Todo list application using ReactJS for the frontend and ASP.NET Core .NET 10 for the backend, featuring both ...
React
Building a Todo List App with ReactJS and .NET 10 from Scratch
A comprehensive guide on creating a full-stack Todo list application using ReactJS for the frontend and ASP.NET Core .NET 10 for the backend, featuring both ...
Web API
Custom Middleware and the Request Pipeline in ASP.NET Core
Learn how to build and orchestrate custom middleware to handle cross-cutting concerns like logging, exception handling, and security in your .NET applications.
Testing
Modern Testing in .NET: TDD, Mocking, and Integration Tests
Level up your testing strategy. Explore Test-Driven Development (TDD), efficient mocking with NSubstitute, and high-confidence integration testing with WebAp...
ASP.NET Core
How to Create a Custom .NET 10 MVC & API Solution Template
When starting a new project or onboarding team members, setting up the same repetitive multi-project architecture by hand (creating a modern solution file, a...
Design Patterns
A Simple Guide to the Decorator Pattern: User Impersonation in ASP.NET Core MVC (.NET 10)
Design patterns often feel intimidating when buried under enterprise boilerplate or third-party libraries. However, the Decorator Pattern is simple, elegant,...