摘要：少优化->多优化： O0 -->> O1 -->> O2 -->> O3 -O0表示没有优化,-O1为缺省值，-O3优化级别最高 英文解析： `-O ' `-O1 ' Optimize. Optimizing compilation takes somewhat more time, and a lot more memory for a large function. With `-O ', the compiler tries to reduce code size and execution time, without p 阅读全文

摘要：最近codeblocks更新出现了这个问题：warning: GDB: Failed to set controlling terminal: 不允［许］的操作解决方法：更改调试终端：使用gnome-terminal作为调试终端在codeblocks菜单中选：Setting==>Environment...==>General Setting==>Terminal to lanuch console programs:用 “gnome-terminal -t $TITLE -x” 替换 “xterm -T $TITLE -e” 即可！！！不更改调试终端，而只修改xterm的字 阅读全文