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Master command pattern best practices in C# including single responsibility commands, proper undo implementation, command validation, and organized architectures. Link to article: https://www.devleader.ca/2026/04/20/command-pattern-best-practices-in-c-code-organization-and-maintainability
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Evaluating recurring date patterns is a common requirement in many applications. Whether you need every day, every Monday at 9 AM, or the last day of each month, you need a reliable way to calculate upcoming occurrences. Meziantou.Framework.Scheduling is a NuGet package that parses and evaluates both CRON expressions …
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Introduction: The Problem The Novo Nordisk Clinical AI team and the ISE group in Microsoft partnered in an engagement that began as a series of data science experiments and gradually evolved into a production capability by "promoting" experimental code into MCP Tools or Agents. Targeting the submission of …
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Welcome to another issue of Dev Leader Weekly! In this issue, I discuss context switching -- why it's unavoidable, how startups and big companies handle it differently, and what you can actually do about it. Link to article: …
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This article shows how to remove the sign-up flow from Entra External ID user flows. This is required because SMS and Phone validation can be abused by bots to run up costs on the tenant. The bots create accounts and start a phone validation or a SMS validation which is charged to the tenant. The […] Link to article: …
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Hyatt deploys ChatGPT Enterprise across its global workforce, using GPT-5.4 and Codex to improve productivity, operations, and guest experiences. Link to article: https://openai.com/index/hyatt-advances-ai-with-chatgpt-enterprise
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Learn how to implement feature slicing in C# without MediatR. Build clean, testable feature handlers using plain classes and ASP.NET Core Minimal APIs. Link to article: https://www.devleader.ca/2026/04/19/feature-slicing-without-mediatr-in-c-plain-handlers-that-actually-work
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String searching is fundamental to modern applications, yet its performance impact is often overlooked. This article explores how common string search patterns can quietly slow down your code—and how small, intentional changes can unlock up to 3× faster execution. Backed by real benchmarks, it shows why paying …
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Master the state design pattern in C# with practical examples showing state transitions, behavior changes, and finite state machine implementations. Link to article: https://www.devleader.ca/2026/04/19/state-design-pattern-in-c-complete-guide-with-examples
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Learn every C# multiline string technique: verbatim @-strings, C# 11 raw string literals with triple quotes, and .NET 7 UTF-8 u8 literals with code examples. Link to article: https://www.devleader.ca/2026/04/18/c-multiline-strings-verbatim-literals-raw-string-literals-and-utf8-literals
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In a previous article available below, I walked through a structured approach to exploring new codebases.An Outside-In Approach to Discover Unknown CodebasesJumping into a new codebase is never easy. It takes time, patience, and often a fair bit of frustration. And when the codebase is legacy — undocumented, Link to …
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Discover when to use command pattern in C# with real decision criteria, use case examples, and guidance on when simpler alternatives work better. Link to article: https://www.devleader.ca/2026/04/18/when-to-use-command-pattern-in-c-decision-guide-with-examples
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I resisted primary constructors for a while. They felt like a shortcut that would cost me later. But after using them across several projects, I'm sold, with one important caveat. Here's what convinced me to switch, and the one pitfall you need to watch out for. Link to article: …
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In this post, we share how Amazon Bedrock's granular cost attribution works and walk through example cost tracking scenarios. Link to article: https://aws.amazon.com/blogs/machine-learning/introducing-granular-cost-attribution-for-amazon-bedrock/
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Learn how to design a feature slice folder structure in .NET with real-world examples, structure decisions, and guidance on handling shared code and nested features. Link to article: https://www.devleader.ca/2026/04/17/feature-slice-folder-structure-in-net-organizing-a-real-project
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In this post, we show you how to use Model Distillation, a model customization technique on Amazon Bedrock, to transfer routing intelligence from a large teacher model (Amazon Nova Premier) into a much smaller student model (Amazon Nova Micro). This approach cuts inference cost by over 95% and reduces latency by 50% …
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In this post, we show you how to build a video semantic search solution on Amazon Bedrock using Nova Multimodal Embeddings that intelligently understands user intent and retrieves accurate video results across all signal types simultaneously. We also share a reference implementation you can deploy and explore with your …
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This hands-on guide walks through every step of fine-tuning an Amazon Nova model with the Amazon Nova Forge SDK, from data preparation to training with data mixing to evaluation, giving you a repeatable playbook you can adapt to your own use case. This is the second part in our Nova Forge SDK series, building on the …
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In this post, we share how AWS Marketing’s Technology, AI, and Analytics (TAA) team worked with Gradial to build an agentic AI solution on Amazon Bedrock for accelerating content publishing workflows. Link to article: …
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Build a complete adapter pattern real-world example in C# with a payment processing system featuring multiple provider adapters and unified interfaces. Link to article: https://www.devleader.ca/2026/04/17/adapter-pattern-realworld-example-in-c-complete-implementation
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