The Old New Thing
Practical development throughout the evolution of Windows.
Latest posts
Jan 9, 2026
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1
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Using Active Accessibility to find out where the focus item is
Looking at child objects.
Jan 8, 2026
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4
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2
Using Active Accessibility to find out where the Windows caret is
It's old and rather simple, but we like simple.
Jan 7, 2026
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1
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How can I find out where the Windows caret is?
You'll have go to a larger scope.
Jan 6, 2026
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Swapping two blocks of memory that reside inside a larger block, in constant memory, refinement
Could do with a little less rotating.
Jan 5, 2026
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0
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How can you swap two non-adjacent blocks of memory using only forward iterators?
Applying the rotation trick to our new problem.
Jan 2, 2026
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How can you swap two adjacent blocks of memory using only forward iterators?
A different algorithm, employing a different kind of cleverness.
Jan 1, 2026
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9
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Swapping two blocks of memory that reside inside a larger block, in constant memory
A variation on the constant-memory rotation.
Dec 31, 2025
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5
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2
2025 year-end link clearance
Another year gets relegated to history.
Dec 31, 2025
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1
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Understanding and mitigating a stack overflow in our task sequencer
The recurring problem of synchronous resumption.
