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The test pyramid made sense when integration tests meant a shared database server and a 20-minute build. It doesn't match how I build .NET systems in 2026. Most of my real bugs live at the seams, and unit tests don't catch any of them. Here's the testing shape I actually ship with. Link to article: …
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Master C# Regex with this complete guide covering pattern syntax, RegexOptions, GeneratedRegex, performance, and real .NET code examples. Link to article: https://www.devleader.ca/2026/04/24/c-regex-complete-guide-to-regular-expressions-in-net
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We're excited to announce that the Azure MCP Server is now available as an MCP Bundle (.mcpb). This means you can install the Azure MCP Server into Claude Desktop and other MCP-compatible clients Link to article: https://devblogs.microsoft.com/azure-sdk/azure-mcp-server-mcpb-support
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In this post, we show how connecting the Visier Workforce AI platform with Amazon Quick through Model Context Protocol (MCP) gives every knowledge worker a unified agentic workspace to ask questions in. Visier helps ground the workspace in live workforce data and the organizational context that surrounds it while …
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When people talk about building AI agents, they usually focus on models, tools, and prompts. In practice, one of the most important architectural decisions is much simpler: where does the conversation history live? Imagine a user asks your agent a complex question, clicks “try again,” explores tw Link to article: …
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One of the handy helpers in the Windows Implementation Library (WIL) is wil::scope_exit. We've used it to Link to article: https://devblogs.microsoft.com/oldnewthing/20260424-00/?p=112266
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Build a complete command pattern real-world example in C# with a text editor featuring undo/redo, command history, and macro recording. Link to article: https://www.devleader.ca/2026/04/24/command-pattern-realworld-example-in-c-complete-implementation
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On March 31, 2026, malicious versions of the widely used JavaScript HTTP client library Axios were briefly published to the npm registry as part of a supply chain attack. The affected versions — 1.14.1 and 0.30.4 — included a hidden malicious dependency Link to article: …
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AI is accelerating coding, but without the right checks, it can also introduce risk, inconsistency, and hidden issues into your codebase. Businesses are offering “total automation” and “AI-driven checks” while consumers lose control of code quality and security. In this livestream, we’ll show how to take control of …
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Compare feature slicing vs clean architecture in C#. Learn the tradeoffs, when each approach fits best, and how to combine them in .NET projects. Link to article: https://www.devleader.ca/2026/04/23/feature-slicing-vs-clean-architecture-in-c-which-one-should-you-use
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We're excited to announce that the Azure MCP Server is now available as an MCP Bundle (.mcpb). This means you can install the Azure MCP Server into Claude Desktop and other MCP-compatible clients Link to article: https://devblogs.microsoft.com/azure-sdk/azure-mcp-server-mcpb-support
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Today is launch day for Ubuntu 26.04 (Resolute Raccoon). Congratulations on the release to our friends at Canonical. Each new Ubuntu LTS comes with the latest .NET LTS so that you ca Link to article: https://devblogs.microsoft.com/dotnet/whats-new-for-dotnet-in-ubuntu-2604
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Amazon Quick changes how you work. You can set it up in minutes and by the end of the day, you will wonder how you ever worked without it. Quick connects with your applications, tools, and data, creating a personal knowledge graph that learns your priorities, preferences, and network. Link to article: …
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Want to build AI agents with JavaScript that go beyond basic chat completions? Agents that reason, call tools, and pull from knowledge bases on their own? We put together a free, open source course to help you get there. LangChain.js for Beginners is 8 cha Link to article: …
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We’re excited to announce the General Availability (GA) of Single Sign-On (SSO) from Native Apps to Embedded Web Views for Microsoft Entra External ID (EEID) Native Authentication. This release marks a major milestone in delivering end-to-end seamless authentication experiences for modern CIAM applications bridging the …
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In this post, we'll explore how multimodal BioFMs work, showcase real-world applications in drug discovery and clinical development, and contextualize how AWS enables organizations to build and deploy multimodal BioFMs. Link to article: …
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Catching the KICS push: what happened, and the case for open, fast collaboration In the past few weeks we've worked through two supply chain compromises on Docker Hub with a similar shape: first Trivy, now Checkmarx KICS. In both cases, stolen publisher credentials were used to push malicious images through legitimate …
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Modern AI agents often aren't bottlenecked by model quality, they are bottlenecked by orchestration overhead. When an agent chains together many small tool calls, each step typically requires a new model turn, driving up latency and token usage. With CodeAct sup Link to article: …
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Some time ago, I noted that any sufficiently advanced uninstaller is indistinguishable from malware.¹ During one of our regular debugging chats, a colleague of mine mentione Link to article: https://devblogs.microsoft.com/oldnewthing/20260423-00/?p=112261
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IntelliJ IDEA 2026.1.1 has arrived with several valuable fixes. You can update to this version from inside the IDE, using the Toolbox App, or using snaps if you are a Ubuntu user. You can also download it from our website. Here are the most notable updates included in this version: To find out more details about the …
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