Bojan Veljanovski's Tech Blog.https://bojanveljanovski.com/https://bojanveljanovski.com/posts/what-i-keep-fixing-in-ai-generated-code/https://bojanveljanovski.com/posts/what-i-keep-fixing-in-ai-generated-code/The structural problems I keep correcting in AI-generated code, even with good prompts and solid plans.Mon, 27 Apr 2026 00:00:00 GMThttps://bojanveljanovski.com/posts/how-edit-forms-should-load-dropdown-data/https://bojanveljanovski.com/posts/how-edit-forms-should-load-dropdown-data/Edit forms with multiple dropdowns usually trigger one API call per dropdown. Two problems follow — the form stays blank until all calls resolve, and load time scales with dropdown count. This note covers how to fix both: embed current selections in the entity response, aggregate option lists into one scoped endpoint. Two requests total, regardless of dropdown count.Tue, 21 Apr 2026 00:00:00 GMThttps://bojanveljanovski.com/posts/developer-command-snippets/https://bojanveljanovski.com/posts/developer-command-snippets/A consolidated collection of command snippets I use regularly — PowerShell, PostgreSQL, RabbitMQ, AWS CLI, NPM/NVM, Chocolatey, and EF Core.Sun, 05 Apr 2026 00:00:00 GMThttps://bojanveljanovski.com/posts/no-navigation-properties-ef-core/https://bojanveljanovski.com/posts/no-navigation-properties-ef-core/Navigation properties make database calls look like property access. The query fires, the change tracker updates records, the cartesian product bloats the result — none of it visible at the call site. This note covers why I use foreign key IDs instead.Thu, 11 Dec 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/git-worktrees-parallel-branch-work/https://bojanveljanovski.com/posts/git-worktrees-parallel-branch-work/Using git worktrees to work on multiple branches simultaneously without managing local file changes.Wed, 10 Dec 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/handling-enum-values-as-strings-in-csharp-api-models/https://bojanveljanovski.com/posts/handling-enum-values-as-strings-in-csharp-api-models/A practical pattern for working with enums in API request models - storing as strings while keeping type-safe enum logic throughout your codebase.Sun, 19 Oct 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/standardize-data-at-write-time-not-read-time/https://bojanveljanovski.com/posts/standardize-data-at-write-time-not-read-time/Why I normalize data from multiple sources when saving to the database, not when displaying it. Using IoT temperature monitoring as a practical example.Sat, 18 Oct 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/property-getters-vs-get-methods-when-to-use-which/https://bojanveljanovski.com/posts/property-getters-vs-get-methods-when-to-use-which/A detailed guide on choosing between property getters and get methods in object-oriented programming, with practical examples and best practices for API design.Tue, 14 Oct 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/a-baseline-cloudformation-layout-that-i-keep-reusing/https://bojanveljanovski.com/posts/a-baseline-cloudformation-layout-that-i-keep-reusing/A structured approach to organizing AWS CloudFormation templates for containerized web applications, covering VPC networking, ECS Fargate, RDS, and automated deployment processes.Mon, 13 Oct 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/static-instance-singleton-pattern-in-flutter/https://bojanveljanovski.com/posts/static-instance-singleton-pattern-in-flutter/Static methods for state changes, instance properties for reads. A singleton API pattern for Flutter.Sun, 12 Oct 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/detecting-manual-aws-changes-in-cloudformation-stacks/https://bojanveljanovski.com/posts/detecting-manual-aws-changes-in-cloudformation-stacks/How to detect and manage configuration drift in AWS CloudFormation stacks.Sat, 11 Oct 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/what-makes-code-unmaintainable/https://bojanveljanovski.com/posts/what-makes-code-unmaintainable/Why code becomes hard to change: cohesion failures, coupling failures, leaked decisions, and other structural causes of unmaintainable software.Thu, 24 Apr 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/system-as-etl-pipeline/https://bojanveljanovski.com/posts/system-as-etl-pipeline/Understanding how most software systems inherently function as ETL pipelines and how to leverage this perspective for better system design.Wed, 23 Apr 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/google-sheets-as-a-backend/https://bojanveljanovski.com/posts/google-sheets-as-a-backend/A practical approach to using Google Sheets as a lightweight backend solution, preserving existing business logic while avoiding unnecessary rebuilding of systems.Tue, 22 Apr 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/power-of-prototyping/https://bojanveljanovski.com/posts/power-of-prototyping/Before integrating unfamiliar code into production, explore it in a throwaway project first.Mon, 21 Apr 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/complex-loops-to-transformation-pipelines/https://bojanveljanovski.com/posts/complex-loops-to-transformation-pipelines/How to simplify complex data processing loops by refactoring them into clear, maintainable transformation pipelines using functional programming concepts.Sun, 20 Apr 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/serilog-correlationid-background-task/https://bojanveljanovski.com/posts/serilog-correlationid-background-task/How to implement and manage correlation IDs in background tasks using Serilog in .NET Core applications for better logging traceability.Sun, 23 Mar 2025 00:00:00 GMThttps://bojanveljanovski.com/posts/use-enums-over-booleans/https://bojanveljanovski.com/posts/use-enums-over-booleans/Why and how to use enumerated types instead of boolean flags for status fields, improving code maintainability and preventing future refactoring headaches.Wed, 30 Oct 2024 00:00:00 GMThttps://bojanveljanovski.com/posts/a-step-by-step-example-in-pseudocode-driven-programming/https://bojanveljanovski.com/posts/a-step-by-step-example-in-pseudocode-driven-programming/A practical demonstration of pseudocode-driven development for designing maintainable software, with a real-world example from requirements to implementation.Sun, 13 Aug 2023 00:00:00 GMThttps://bojanveljanovski.com/posts/overriding-services-in-aspnet-core-integration-tests/https://bojanveljanovski.com/posts/overriding-services-in-aspnet-core-integration-tests/Learn how to effectively override services in ASP.NET Core integration tests using ConfigureTestServices, with practical examples and testing patterns.Fri, 11 Aug 2023 00:00:00 GMThttps://bojanveljanovski.com/posts/test-specific-appsettings-in-aspnet-core-integration-tests/https://bojanveljanovski.com/posts/test-specific-appsettings-in-aspnet-core-integration-tests/How to properly configure and manage test-specific application settings in ASP.NET Core integration tests, ensuring isolated and reliable test environments.Thu, 10 Aug 2023 00:00:00 GMThttps://bojanveljanovski.com/posts/building-dynamic-sql-queries-in-dotnet-using-sqlkata/https://bojanveljanovski.com/posts/building-dynamic-sql-queries-in-dotnet-using-sqlkata/A comparison of approaches to building dynamic SQL queries in .NET applications, contrasting string concatenation with SqlKata's query builder for safer and more maintainable code.Mon, 23 Jan 2023 00:00:00 GMThttps://bojanveljanovski.com/posts/strongly-typed-appsettings-configuration-in-net-core-with-validation/https://bojanveljanovski.com/posts/strongly-typed-appsettings-configuration-in-net-core-with-validation/Implementing strongly-typed configuration in .NET Core applications with built-in validation, using options pattern and data annotations.Sun, 08 Jan 2023 00:00:00 GMThttps://bojanveljanovski.com/posts/select-n-plus-1-problem/https://bojanveljanovski.com/posts/select-n-plus-1-problem/A deep dive into diagnosing and fixing the N+1 query anti-pattern in ORMs, with practical examples of using eager loading and joins to improve database performance.Sun, 10 Jun 2018 00:00:00 GMThttps://bojanveljanovski.com/posts/extending-select2-with-adapters/https://bojanveljanovski.com/posts/extending-select2-with-adapters/A guide to extending Select2's functionality using its adapter and decorator patterns, with practical examples for customizing appearance and behavior.Tue, 24 Oct 2017 00:00:00 GMThttps://bojanveljanovski.com/posts/refactoring-a-feature-envy-code/https://bojanveljanovski.com/posts/refactoring-a-feature-envy-code/A practical guide to identifying and fixing Feature Envy code smell in C#, with step-by-step examples of moving behavior to where the data lives.Mon, 24 Jul 2017 00:00:00 GMThttps://bojanveljanovski.com/posts/feature-folders-structure-in-asp-net/https://bojanveljanovski.com/posts/feature-folders-structure-in-asp-net/How to organize ASP.NET MVC5 projects using feature folders for better maintainability and separation of concerns, with practical examples and implementation details.Fri, 27 May 2016 00:00:00 GMThttps://bojanveljanovski.com/posts/towards-good-enough-code-re-factoring-business-rule-check-specification-pattern/https://bojanveljanovski.com/posts/towards-good-enough-code-re-factoring-business-rule-check-specification-pattern/A practical guide to implementing the Specification pattern for cleaner and more maintainable business rule validation in your code.Tue, 29 Sep 2015 00:00:00 GMThttps://bojanveljanovski.com/posts/getting-started-with-rhino-security-structuremap/https://bojanveljanovski.com/posts/getting-started-with-rhino-security-structuremap/A comprehensive guide to integrating Rhino Security with StructureMap in .NET applications for robust security management.Sun, 11 Jan 2015 00:00:00 GMThttps://bojanveljanovski.com/posts/database-development-guide-for-dotnet-teams-with-fluentmigrator-2014-edition/https://bojanveljanovski.com/posts/database-development-guide-for-dotnet-teams-with-fluentmigrator-2014-edition/A comprehensive guide on implementing database versioning with FluentMigrator in .NET projects, including automated migrations, version control integration, and cross-database provider support.Fri, 12 Dec 2014 00:00:00 GMT