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Azure Cosmos DB Conf 2026 — Call for Proposals Is Now Open

Every production system has a story behind it. The scaling limit you didn’t expect. The data model that finally clicked. The tradeoff you had to make under real-world pressure. The solution that worked—and the lessons you’d pass on to the next team. Azure Cosmos DB Conf...
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Jan 5, 2026
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How can you swap two non-adjacent blocks of memory using only forward iterators?

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Raymond Chen
Applying the rotation trick to our new problem.
The Old New Thing
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Jan 5, 2026
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Welcome to 2026, A Growth Year for All of Us

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Jim Harrer
I always enjoy the quiet stretch between Christmas and New Year’s. It’s one of the few moments in the year when things slow down just enough to reflect on what actually resonated. While many of us were unplugging, our digital team was doing the opposite, editing and publishing 19...
Visual Studio Blog
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Jan 2, 2026
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How can you swap two adjacent blocks of memory using only forward iterators?

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Raymond Chen
A different algorithm, employing a different kind of cleverness.
The Old New Thing
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Jan 1, 2026
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Swapping two blocks of memory that reside inside a larger block, in constant memory

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Raymond Chen
A variation on the constant-memory rotation.
The Old New Thing
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Dec 31, 2025
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Java at Microsoft: 2025 Year in Review

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Bruno Borges
A breakthrough year for modernization, AI‑assisted development, Agentic AI development, and platform innovation 2025 was one of the most significant years yet for Java at Microsoft. From the arrival of OpenJDK 25 as the newest Long‑Term Support (LTS) release, to AI‑powered...
Microsoft for Java Developers
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Dec 31, 2025
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Top .NET Videos & Live Streams of 2025

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Jon Galloway
Let's take a look back at the amazing .NET videos, events, and live streams from 2025!
.NET Blog
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Dec 31, 2025
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2025 year-end link clearance

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Raymond Chen
Another year gets relegated to history.
The Old New Thing
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Dec 31, 2025
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Understanding and mitigating a stack overflow in our task sequencer

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Raymond Chen
The recurring problem of synchronous resumption.
The Old New Thing
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Dec 30, 2025
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Top .NET Blog Posts of 2025

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Jon Galloway
Let's look back at the most-read .NET blog posts published in 2025, from .NET 10 to AI, performance, and developer tooling.
.NET Blog