juhist

juhist has asked 4 questions and find answers to 35 problems.

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juhist questions

casting pointer to array into pointer
How to have atomic integers on machines that lack stdatomic.h?
How should "this can never happen" style of errors in C be handled? [closed]

juhist answers

reading Ethernet data packet from raw sockets using recvfrom() in MSG_DONTWAIT mode
Is there any way to speed up this Postgres bitmap heap scan?
Why is C standard bool not bool_t?
M_PI not available with gcc --std=c11 but with --std=gnu11?
Raw types and performance
How to have atomic integers on machines that lack stdatomic.h?
PostgreSQL - restored database smaller than original
flock(): is it possible to merely check if the file is already locked, without actually acquiring the lock if not?
Redirect stdout to a file
why BufferedReader.readLine can read a line which doesn't have a line separator