Lee Sanderson Lee Sanderson is a software engineer and advocate of software craftsmanship. He blogs about may topics including craftsmanship, .NET and Azure http://www.rssboard.org/rss-specification Blog Builder 88 31 https://www.sixsideddice.com/index.png https://www.sixsideddice.com/blog Tue, 06 Jan 2026 18:01:58 +0000 https://www.sixsideddice.com/blog lee@sixsideddice.com (Lee Sanderson) lee@sixsideddice.com (Lee Sanderson) lee@sixsideddice.com A review of the classic DevOps lifecycle and a proposal for a cleaner model https://www.sixsideddice.com/Blog/AgileTechnicalPractices/DevOpsLifecycle.html https://www.sixsideddice.com/Blog/AgileTechnicalPractices/DevOpsLifecycle.html Tue, 10 Sep 2024 00:00:00 +0000 lee@sixsideddice.com Exploring the Agentic capabilities of GitHub Copilot by building a simple side-scrolling game https://www.sixsideddice.com/Blog/AgileTechnicalPractices/EvaulatingAgentsByBuildingGames.html https://www.sixsideddice.com/Blog/AgileTechnicalPractices/EvaulatingAgentsByBuildingGames.html Sun, 27 Apr 2025 00:00:00 +0000 lee@sixsideddice.com Exploring Kiro, Amazon’s spec-driven AI development tool, by bootstrapping a greenfield project. https://www.sixsideddice.com/Blog/AgileTechnicalPractices/GettingStartedWithKiro.html https://www.sixsideddice.com/Blog/AgileTechnicalPractices/GettingStartedWithKiro.html Fri, 19 Sep 2025 00:00:00 +0000 lee@sixsideddice.com Debate remains on the effectiveness of AI based coding assistants. This article examines the limitations of these tools and assesses the impact on productivity and software maintainability. Through practical experiments and analysis, I explore whether these tools truly enhance development or introduce new challenges that require careful oversight. https://www.sixsideddice.com/Blog/AgileTechnicalPractices/HowUsefulAreCodingAssistantsIn2025.html https://www.sixsideddice.com/Blog/AgileTechnicalPractices/HowUsefulAreCodingAssistantsIn2025.html Fri, 31 Jan 2025 00:00:00 +0000 lee@sixsideddice.com An overview of the two main styles of TDD https://www.sixsideddice.com/Blog/AgileTechnicalPractices/StylesOfTestDrivenDevelopment.html https://www.sixsideddice.com/Blog/AgileTechnicalPractices/StylesOfTestDrivenDevelopment.html Wed, 06 Oct 2021 00:00:00 +0000 lee@sixsideddice.com Missing data is a common challenge in data engineering. In this post I examine the different types of missing data and the impact they have on data engineering. We will discuss practical strategies for identifying and handling missing data with real-world examples. https://www.sixsideddice.com/Blog/DataEngineering/DealingWithMissingData.html https://www.sixsideddice.com/Blog/DataEngineering/DealingWithMissingData.html Fri, 06 Dec 2024 00:00:00 +0000 lee@sixsideddice.com Part 1 of my series of developer guides on understanding and applying data science. This part focuses on the foundational skills and knowledge I believe every developer needs to get started with data science. https://www.sixsideddice.com/Blog/DataScienceForDevs/Part1-Foundations.html https://www.sixsideddice.com/Blog/DataScienceForDevs/Part1-Foundations.html Tue, 11 Jun 2024 00:00:00 +0000 lee@sixsideddice.com Part 2 of my series of developer guides on understanding and applying data science. This part focuses on the fundamental and the core concepts of machine learning, providing developers with a comprehensive introduction to the field. https://www.sixsideddice.com/Blog/DataScienceForDevs/Part2-Fundamentals.html https://www.sixsideddice.com/Blog/DataScienceForDevs/Part2-Fundamentals.html Thu, 27 Jun 2024 00:00:00 +0000 lee@sixsideddice.com Explore the evolution of code quality tooling in the dotnet ecosystem and get practical best practices for using modern Roslyn based analysers effectively. Use centralised configuration, build enforcement, and incremental adoption help teams maintain consistent, high quality C# codebases as they scale. https://www.sixsideddice.com/Blog/Dotnet/CodeQuality.html https://www.sixsideddice.com/Blog/Dotnet/CodeQuality.html Tue, 06 Jan 2026 00:00:00 +0000 lee@sixsideddice.com A guide to creating and deploying packages to NuGet.org https://www.sixsideddice.com/Blog/Dotnet/CreatingPackagesForNuGet.html https://www.sixsideddice.com/Blog/Dotnet/CreatingPackagesForNuGet.html Wed, 01 Jun 2022 00:00:00 +0000 lee@sixsideddice.com Instructions to help you set up minikube on a Windows 10 Home edition https://www.sixsideddice.com/Blog/K8s/SettingUpMinikubeOnWindows10.html https://www.sixsideddice.com/Blog/K8s/SettingUpMinikubeOnWindows10.html Wed, 26 Jun 2019 00:00:00 +0000 lee@sixsideddice.com A list of useful minikube commands https://www.sixsideddice.com/Blog/K8s/UsefulMinikubeCommands.html https://www.sixsideddice.com/Blog/K8s/UsefulMinikubeCommands.html Wed, 26 Jun 2019 00:00:00 +0000 lee@sixsideddice.com An introduction to getting started using GitHub and Markdown for blogging https://www.sixsideddice.com/Blog/Meta/BloggingWithGithubAndMarkdown.html https://www.sixsideddice.com/Blog/Meta/BloggingWithGithubAndMarkdown.html Fri, 28 May 2021 00:00:00 +0000 lee@sixsideddice.com Leveraging Obsidian to increase the quality and quantity of your blog articles https://www.sixsideddice.com/Blog/Meta/BloggingWithObsidian.html https://www.sixsideddice.com/Blog/Meta/BloggingWithObsidian.html Thu, 23 May 2024 00:00:00 +0000 lee@sixsideddice.com Publishing content to GitHub Pages using Azure DevOps pipelines https://www.sixsideddice.com/Blog/Meta/DeployingAStaticWebsiteToGitHubPages.html https://www.sixsideddice.com/Blog/Meta/DeployingAStaticWebsiteToGitHubPages.html Wed, 05 Jan 2022 00:00:00 +0000 lee@sixsideddice.com How to build a static website from a bunch of Markdown documents using C#, Markdig, and RazorEngine.NetCore https://www.sixsideddice.com/Blog/Meta/GeneratingAStaticWebsiteUsingMarkdown.html https://www.sixsideddice.com/Blog/Meta/GeneratingAStaticWebsiteUsingMarkdown.html Fri, 28 May 2021 00:00:00 +0000 lee@sixsideddice.com How to maintain a personal knowledge base with Obsidian https://www.sixsideddice.com/Blog/Meta/KnowledgeManagementWithObsidian.html https://www.sixsideddice.com/Blog/Meta/KnowledgeManagementWithObsidian.html Tue, 21 May 2024 00:00:00 +0000 lee@sixsideddice.com Introduction to decision trees and examples showing how SciKit Learn can be used to solve classification type problems by trying to predict survivors of the Titanic. https://www.sixsideddice.com/Blog/MLByExample/DecisionTreeClassifiersByExample.html https://www.sixsideddice.com/Blog/MLByExample/DecisionTreeClassifiersByExample.html Tue, 15 Jul 2025 00:00:00 +0000 lee@sixsideddice.com An introduction to Scikit-Learn’s Random Forest Classifiers, covering how they reduce overfitting and sensitivity to noise compared to decision trees, how feature importance reveals which inputs most influence predictions, and why handling missing data is often less critical. https://www.sixsideddice.com/Blog/MLByExample/RandomForestClassifiersByExample.html https://www.sixsideddice.com/Blog/MLByExample/RandomForestClassifiersByExample.html Wed, 23 Jul 2025 00:00:00 +0000 lee@sixsideddice.com An experiment in using Scikit-Learn’s Random Forest Classifiers for image classification, covering how to use pixel values in classifiers, how we can improve things using HOG, and why, ultimately, CNNs are better for this kind of ML task. https://www.sixsideddice.com/Blog/MLByExample/RandomForestsForImageClassification.html https://www.sixsideddice.com/Blog/MLByExample/RandomForestsForImageClassification.html Wed, 30 Jul 2025 00:00:00 +0000 lee@sixsideddice.com As AI coding agents automate simpler tasks, the traditional apprenticeship model that nurtures junior developers is at risk. This article explores the long-term implications for engineering teams and argues that preserving pathways for junior talent is essential to sustain software development as a craft. https://www.sixsideddice.com/Blog/Thoughts/AIAndTheDeathOfTheJuniorDeveloper.html https://www.sixsideddice.com/Blog/Thoughts/AIAndTheDeathOfTheJuniorDeveloper.html Thu, 10 Jul 2025 00:00:00 +0000 lee@sixsideddice.com Vibe coding tools promise to make software development faster and easier, but history tells a cautionary tale. Like 4GLs and Model-Driven Architecture before them, these tools risk repeating the cycle of hype, complexity, and disillusionment. Real engineering practices and not just "vibes" remain essential for building systems that last. https://www.sixsideddice.com/Blog/Thoughts/VibeCodingTheEmperorsNewClothes.html https://www.sixsideddice.com/Blog/Thoughts/VibeCodingTheEmperorsNewClothes.html Thu, 01 May 2025 00:00:00 +0000 lee@sixsideddice.com Following on from my Getting Started with Kiro blog post, we start investigating the spec-driven development flow with Kiro. https://www.sixsideddice.com/Blog/AgileTechnicalPractices/SpecDrivenDevelopment/SpecDrivenDevelopmentWithKiro.html https://www.sixsideddice.com/Blog/AgileTechnicalPractices/SpecDrivenDevelopment/SpecDrivenDevelopmentWithKiro.html Thu, 04 Dec 2025 00:00:00 +0000 lee@sixsideddice.com Part 1 of the Azure Administrator study guide focusing on core concepts https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part1-Concepts.html https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part1-Concepts.html Tue, 09 Aug 2022 00:00:00 +0000 lee@sixsideddice.com Part 2 of the Azure Administrator study guide focusing on Powershell and the Azure CLI https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part2-PowershellAndCLI.html https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part2-PowershellAndCLI.html Tue, 09 Aug 2022 00:00:00 +0000 lee@sixsideddice.com Part 3 of the Azure Administrator study guide focusing on managing Azure Identities and governance https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part3-ManagingAzureIdentitiesAndGovernace.html https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part3-ManagingAzureIdentitiesAndGovernace.html Tue, 09 Aug 2022 00:00:00 +0000 lee@sixsideddice.com Part 4 of the Azure Administrator study guide focusing on managing Azure Subscriptions https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part4-ManagingSubscriptions.html https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part4-ManagingSubscriptions.html Tue, 09 Aug 2022 00:00:00 +0000 lee@sixsideddice.com Part 5 of the Azure Administrator study guide focusing on managing storage accounts https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part5-StorageAccounts.html https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part5-StorageAccounts.html Wed, 10 Aug 2022 00:00:00 +0000 lee@sixsideddice.com Part 6 of the Azure Administrator study guide focusing on managing virtual machines https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part6-VirtualMachines.html https://www.sixsideddice.com/Blog/Azure/AZ-104-StudyNotes/Part6-VirtualMachines.html Wed, 17 Aug 2022 00:00:00 +0000 lee@sixsideddice.com Part 1 of the Azure Data Engineering Associate study guide focusing on storage accounts https://www.sixsideddice.com/Blog/Azure/DP-203-StudyNotes/Part1-StorageAccounts.html https://www.sixsideddice.com/Blog/Azure/DP-203-StudyNotes/Part1-StorageAccounts.html Wed, 20 Apr 2022 00:00:00 +0000 lee@sixsideddice.com Part 2 of the Azure Data Engineering Associate study guide focusing on Cosmos DB https://www.sixsideddice.com/Blog/Azure/DP-203-StudyNotes/Part2-CosmosDB.html https://www.sixsideddice.com/Blog/Azure/DP-203-StudyNotes/Part2-CosmosDB.html Mon, 16 May 2022 00:00:00 +0000