@VisualStudio

The most comprehensive IDE for .NET and C++ devs on Windows. It's packed with a sweet array of tools to elevate every stage of software development.

 Redmond, WA, USA
Joined October 2008
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🧠 C++/WinRT access specifiers hit differently. Implemented interface = public 🌎 - public = module-internal 📦 - protected = derived types - private = same class 🔐 The Old New Thing explains why. Read 👇 msft.it/6018asibp
A blue background features white text reading 'The Old New Thing' and 'One way of thinking about access specifiers in C++/WinRT implementation types.' There are glasses on a stack of books, and a paper partially visible in the background. 'Read Raymond Chen’s Blog' is also included.

ALT A blue background features white text reading 'The Old New Thing' and 'One way of thinking about access specifiers in C++/WinRT implementation types.' There are glasses on a stack of books, and a paper partially visible in the background. 'Read Raymond Chen’s Blog' is also included.

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Semantic search is powerful, but sometimes exact keywords are still the answer. Anna Hoffman tackles why the real answer might be a hybrid of both: msft.it/6018asi6k
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What if you could group unrelated types without an inheritance hierarchy? Dustin Campbell and Mads Torgersen explore C# unions: msft.it/6011as6Dv
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One YOLO deploy to prod is all it takes. Drew Skwiers-Koballa has a safer way: msft.it/6018aSh2G
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👀 What happens when Security Tool A hooks a system function… then Security Tool B hooks a function Tool A depends on? 💥 Detours meet detours. 🔐 Quarantine meets interference. 🧩 Debugging gets spicy. Read 👉 msft.it/6017aShSb
A blue background features white text reading "The Old New Thing" and a question about anti-malware software. Below, there is an invitation to read Raymond Chen's Blog. A pair of glasses and books are illustrated near the text.

ALT A blue background features white text reading "The Old New Thing" and a question about anti-malware software. Below, there is an invitation to read Raymond Chen's Blog. A pair of glasses and books are illustrated near the text.

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Code as an asset, not an artifact. AI writes it fast, but future you maintains it. That's exactly what Mads Kristensen gets into: msft.it/6014aShp6
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Give AI tools, not just prompts. Kayla Cinnamon and James Montemagno build a custom tool the model can call instead of guessing. See it in action: msft.it/6012aSChC
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AI found a 90% optimization. It still needed an engineer's judgment call. Mark Downie and Sireesha Pisipati get into it. See how: msft.it/6010aSAjg
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🤯 How can an undefined CPU opcode… have operands? Welcome to x86 history. 🧠⚙️ 0F FF could be decoded + parse operands before 💥 invalid opcode. Then backward compatibility helped keep PADDQ out of its natural slot. CPU archaeology awaits. 🏺 Read 👉 msft.it/6017aSAEf
A blue background features white text: "The Old New Thing" at the top. Below, there's a question about undefined opcodes ud0 and ud1, asking how they can have parameters. The bottom encourages reading Raymond Chen's Blog.

ALT A blue background features white text: "The Old New Thing" at the top. Below, there's a question about undefined opcodes ud0 and ud1, asking how they can have parameters. The bottom encourages reading Raymond Chen's Blog.

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💥 Your CPU just hit code that should never execute. But was it int 3 or ud2? 👀 int 3 → “there’s no code here” ud2 → “you reached an unreachable/undefined path” 😬 Same crashy vibes. Very different debugging clues. 🧠⚙️ 👉 msft.it/6012aSk1G
A blue background features an image of an open book and glasses. Text reads: 'The Old New Thing'. Below, it asks why the compiler uses 'ud2' and 'int 3' for non-executing code. At the bottom is a prompt to read Raymond Chen's Blog.

ALT A blue background features an image of an open book and glasses. Text reads: 'The Old New Thing'. Below, it asks why the compiler uses 'ud2' and 'int 3' for non-executing code. At the bottom is a prompt to read Raymond Chen's Blog.

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Anna Hoffman argues your database belongs in source control, just like your application code: msft.it/6010aSXvO
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Your browser just became a bouncer for sketchy requests. Daniel Roth shows how: msft.it/6014aSX94
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SPA feel, zero WebAssembly. Daniel Roth pulls it off: msft.it/6011aSrLR
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That's semantic search. Yo-Lei Chen breaks down how SQL Server pulls it off: msft.it/6017aSrlL
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Your VS Subscription includes a monthly Azure credit, exclusive Dev/Test pricing, and Azure training via Pluralsight or Cloud Academy. See what's included: msft.it/6013aSr6U
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40TB restored in 7 minutes. Bob Ward explains: msft.it/6016aSRYw
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Yes, this is WinForms. Klaus Loeffelman shows the .NET 11 preview: msft.it/6012aoirs
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🔥 Think hot-patching started recently? Think again. Windows on Itanium shipped with a surprisingly elegant hot-patching design that made live updates much simpler than you'd expect. ⚙️🤯 A fascinating deep dive into OS and CPU architecture history. 📖 msft.it/6011aojtF
A blue background features white text titled 'The Old New Thing'. Below, it discusses 'Windows on Itanium' and mentions hot-patching in a simple way. A pair of glasses rests atop stacked books in the bottom right corner.

ALT A blue background features white text titled 'The Old New Thing'. Below, it discusses 'Windows on Itanium' and mentions hot-patching in a simple way. A pair of glasses rests atop stacked books in the bottom right corner.

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What if your app never had to move data around just to use AI? Anna Hoffman and Bob Ward get into what it looks like when AI runs right inside the database engine. See how: msft.it/6012aoDDj
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Stop making your AI agent rediscover your best practices. James Montemagno explains: msft.it/6013ao8F9
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