The Old New Thing
Practical development throughout the evolution of Windows.
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Jun 16, 2026
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1
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Retrofitting the WM_COPYDATA message onto Windows 3.1
It was carefully designed to be trivial.
Jun 15, 2026
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21
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13
The time the x86 emulator team found code so bad that they fixed it during emulation
Offensive content in the eyes of a software engineer.
Jun 12, 2026
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8
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3
How can I schedule work on a thread pool with low latency?
The thread pool is designed for throughput, not latency.
Jun 11, 2026
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5
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4
Understanding the rationale behind a rule when trying to circumvent it
I mean, technically <I>I</I> didn't do it.
Jun 10, 2026
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6
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2
What’s the opposite of ClipCursor that lets me exclude the cursor from a region?
There is no such feature, but you can just exclude it virtually.
Jun 9, 2026
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2
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2
The Microsoft Company Party where everybody played name tag swap
Even the boss got into the festivities.
Jun 8, 2026
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2
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2
Rotation revisited: Shuffling more than three blocks, and other small notes
Generalizing the shuffle to arbitrary numbers of blocks.
Jun 5, 2026
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9
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8
The back cover of C++: The Programming Language also raises questions not answered by the front cover
Not doing the reading.
Jun 5, 2026
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2
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2
Rotation revisited: Avoiding having to calculate the gcd when doing cycle decomposition
Math is hard. Let's go counting!
