Apr 14, 2026
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Why was there a red telephone at every receptionist desk?
Not a direct line to Bill Gates's office.
Showing archive results for 2026
Apr 13, 2026
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Finding a duplicated item in an array of N integers in the range 1 to N − 1
Taking advantage of special characteristics of the array.
Apr 10, 2026
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How do you add or remove a handle from an active WaitForMultipleObjects?, part 2
Waiting for the waiting thread to acknowledge the change.
Apr 9, 2026
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How do you add or remove a handle from an active WaitForMultipleObjects?
You can't, but you can cooperate with the other thread.
Apr 8, 2026
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How do you add or remove a handle from an active MsgWaitForMultipleObjects?
You can't, but you can arrange for the waiter to do it for you.
Apr 7, 2026
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Were there any Windows 3.1 programs that were so incompatible with Windows 95 that there was no point trying to patch them?
The permanently ineligible list.
Apr 6, 2026
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Learning to read C++ compiler errors: Illegal use of -> when there is no -> in sight
If the compiler is complaining about things you didn't write, find out who wrote them.
Apr 3, 2026
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How can I use ReadDirectoryChangesW to know when someone is copying a file out of the directory?
File copying is not a fundamental operation, nor is it even detectable at the file system layer.
Apr 2, 2026
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Why doesn’t the system let you declare your own messages to have the same semantics as WM_COPYDATA ?
Tempting but misleading.
Apr 1, 2026
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The cover of C++: The Programming Language raises questions not answered by the cover
What are we reading about here?