Search notes:

/usr/bin/cpp

The preprocessor.
cpp is not bo be confused with c++.
The preprocessor is concerned with things like
Newer version of gcc don't invoke /usr/bin/cpp directly for preprocessing a translation unit. Rather, the preprocessing is performed by the compiler proper cc1.

See also

gcc -fpreprocessed
/usr/bin

Index

Fatal error: Uncaught PDOException: SQLSTATE[HY000]: General error: 8 attempt to write a readonly database in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php:78 Stack trace: #0 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(78): PDOStatement->execute(Array) #1 /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php(30): insert_webrequest_('/notes/Linux/fh...', 1741108229, '13.59.153.218', 'Mozilla/5.0 App...', NULL) #2 /home/httpd/vhosts/renenyffenegger.ch/httpsdocs/notes/Linux/fhs/usr/bin/cpp(53): insert_webrequest() #3 {main} thrown in /home/httpd/vhosts/renenyffenegger.ch/php/web-request-database.php on line 78