I've not read Zed's online book. I guess he encourages the use of -Wall and -Wextra when compiling on gcc? That's always smart. Also, cppcheck is a nice tool. I

I've not read Zed's online book. I guess he encourages the use of -Wall and -Wextra when compiling on gcc? That's always smart. Also, cppcheck is a nice tool. If I were going to mention valgrind, I'd mention that too.