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If you've run NuGet Audit or a vulnerability scanner on a .NET project, you've likely seen warnings for transitive packages you never explicitly installed. In many cases, those packages — such as System.Text.Json or System.Text.Encodings.Web — are already provided at a newer version by the .NET Runtime Libraries, Link …
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In this post, you will learn how to set up the Confluence Cloud integration with Quick. This includes creating a knowledge base for semantic search, setting up Actions to query and manage Confluence pages, and organizing resources in Quick Spaces. Quick integrates with your current enterprise technology stack, from …
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In this post, you will implement four Lambda-based custom code evaluators for a financial market-intelligence agent, register each with AgentCore, and run them in on-demand and online modes. You will also see how to combine custom code-based evaluators with built-in evaluators and how to call other AWS services for …
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This is issue 1 of a new series called Coding Agent Horror Stories where we examine critical security failures in the AI coding agent ecosystem and how Docker Sandboxes provide enterprise-grade protection against these threats. AI coding agents are everywhere. According to Anthropic's 2026 Agentic Coding Trends Report, …
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Build a production-ready flyweight pattern example in C# with a document rendering system that shares font and style data across thousands of text elements. Link to article: https://www.devleader.ca/2026/05/18/flyweight-pattern-realworld-example-in-c-complete-implementation
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When building a Blazor application, you may want a custom base component for all your Razor components. This is useful for sharing common functionality like cancellation tokens, logging, or state management across all components. Instead of adding @inherits YourBaseComponent to every Razor file, you can use the …
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OpenAI and Dell partner to bring Codex to hybrid and on-premise environments, helping enterprises deploy AI coding agents securely across data and workflows. Link to article: https://openai.com/index/dell-codex-enterprise-partnership
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This week, I was updating my Aspire applications after the latest release and I ran into a deployment bug for my test deployments. I could no longer deploy the database to Azure SQL. I got the following error: The error is caused by the latest Azure changes and the Aspire updates. To fix, I need […] Link to article: …
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New LINQ methods in .NET 6-10: Chunk, DistinctBy, MinBy, CountBy, Index, LeftJoin and more -- every addition with before/after C# code examples. Link to article: https://www.devleader.ca/2026/05/17/new-linq-methods-in-net-610-chunk-minby-countby-index-leftjoin-and-more
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Welcome to another issue of Dev Leader Weekly! In this issue, I discuss the Reddit thread telling someone to quit their bad manager -- and why I push back on the all-or-nothing framing, plus what to actually try first. Link to article: …
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Discover when to use proxy pattern in C# with decision criteria for virtual, protection, and caching proxies plus guidance on simpler alternatives. Link to article: https://www.devleader.ca/2026/05/17/when-to-use-proxy-pattern-in-c-decision-guide-with-examples
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This week takes a deep tour of LINQ in C# covering grouping, aggregation, set operations, joins, deferred execution, and element access, plus complete guides to the proxy, flyweight, and bridge design patterns. The video lineup tackles context switching, generational dynamics on engineering teams, and where AI tooling …
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Master LINQ element access in C# -- First, Last, Single, Chunk, and TryGetNonEnumeratedCount for safer, faster .NET 6+ collection queries. Link to article: https://www.devleader.ca/2026/05/16/linq-element-access-in-c-first-last-single-chunk-and-trygetnonenumeratedcount
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Compare flyweight vs singleton pattern in C# with side-by-side code examples, key structural differences, and guidance on when to use each for instance management. Link to article: https://www.devleader.ca/2026/05/16/flyweight-vs-singleton-pattern-in-c-key-differences-explained
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OpenAI and Malta partner to expand AI access, offering ChatGPT Plus and training to help citizens build practical AI skills and use AI responsibly. Link to article: https://openai.com/index/malta-chatgpt-plus-partnership
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A use case isn't a transaction. The moment it touches more than one system, you are dealing with partial failure. Here's how I classify side effects and design use cases that fail loudly and recover safely. Link to article: …
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Understand LINQ deferred execution in C# -- when queries actually run, multiple enumeration bugs, and when to materialize with ToList for correctness. Link to article: https://www.devleader.ca/2026/05/15/linq-deferred-execution-in-c-when-queries-execute-and-multiple-enumeration-pitfalls
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For the second time, I’m excited to be a guest on On .NET Live on May 18th at 9 AM PST! I’ll be talking about one of my favorite subjects: coding standards and how they can supercharge .NET code quality, performance, maintainability, and consistency across your projects. Join us live and bring your burning questions. … …
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In this post, we walk through how to configure document-level ACLs for your S3 knowledge base in Amazon Quick. You will learn how to set up and verify an ACL configuration that enforces document-level permissions across chat and automated workflows. Link to article: …
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