portability Archives

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Is there a replacement for unistd.h for Windows (Visual C)?

I’m porting a relatively simple console program written for Unix to the Windows platform (Visual C++ 8.0). All the source files include “unistd.h”, ...

May 30, 2022
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Why does glibc’s strlen need to be so complicated to run quickly?

I was looking through the strlen code here and I was wondering if the optimizations used in the code are really needed? For ...

May 17, 2022
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Why should I not #include ?

I posted a question with my code whose only #include directive was the following: #include <bits/stdc++.h> My teacher told me to do this, ...

May 9, 2022
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Is there a portable way to get the current username in Python?

What is a portable way (e.g. for Linux and Windows) to get the current user’s username? Something similar to os.getuid() would be nice: ...

April 27, 2022
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How do SO_REUSEADDR and SO_REUSEPORT differ?

The man pages and programmer documentations for the socket options SO_REUSEADDR and SO_REUSEPORT are different for different operating systems and often highly confusing. ...

April 22, 2022
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